81  

DAFTAR PUSTAKA

1. Abu-Hassan, M.A., Kim, J.K., Metcalfe, I.S., dan Mantzavinos, D., (2006), Kinetics of low frequency sonodegradation of linear alkylbenzene sulfonate solutions, Chemosphere, 62, 749–755

2. Aboulhassan, M. A., Souabi, S., Yaacoubi, A., dan Baudu, M., (2006), Removal of surfactant from industrial wastewaters by coagulation flocculation process, Int. J. Environ. Sci. Tech., 3 (4), 327-332

3. Adak, A., Bandyopadhyay, M., dan Pal, A., (2005), Removal of anionic surfactant from wastewater by alumina: a case study, Colloids and Surfaces A: Physicochem. Eng. Aspects, 254, 165–171

4. Ahmad, J., dan EL-Dessouky, H., (2008), Design of a modified low cost treatment system for the recycling and reuse of laundry waste water, Resources, Conservation and Recycling, 52, 973–978

5. Arkendita, N., & Soewondo, P., (2004), Evaluasi dan Pengembangan Kinerja Pengolahan Air Buangan Domestik dengan Sistem Pemisah”Black Water” dan “Grey Water”: Studi Kasus Biogas Digester dan Anaerobic Baffled Septic Tank di Tangerang Banten, Tugas Akhir ITB.

6. AWWA, (1999), Water Quality and Treatment : A Handbook of Community Water Supplies, Fifth Edition, McGraw-Hill Inc., New York

7. Buchheistera, F., Hoinkisb, J., Mutha, S., dan Pantena, V., (2006), LIWATEC – laundry innovative waste water recycling technology, Desalination, 199, 76–77

8. Bektas, N., Akbulut, H., Inan, H., dan Dimoglo, A., (2004), Removal of phosphate from aqueous solutions by electro-coagulation, Journal of Hazardous Materials, 106B, 101–105

9. Cheng, W.P., Chi, F.H., dan Yu, R.F., (2004), Effect of phosphate on removal of humic substances by aluminum sulfate coagulant, Journal of Colloid and Interface Science, 272, 153–157

10. Ciorba,G.A., Radovan, C., Vlaicu, I., dan Pitulice, L., (2000), Correlation between organic component and electrode material: consequences on removal of surfactants from wastewater, Electrochimica Acta, 46, 297–303

11. Connell, D., dan Miller, G., (1995) Kimia dan Ekotoksikologi Pencemaran, UI Press, Jakarta

82  

12. Cuzzola, A., Raffaelli, A., dan Salvadori, P., (2005), Linear alkylbenzensulphonic acids (LAS) oxidation by H2O2 and O2: an investigation by gas- and liquid-chromatography coupled with mass spectrometry, Applied Catalysis B: Environmental, 59, 113–120

13. Dieu, L.Q., (2006), Determination of the critical micelle concentration of an amphiphile by conductivity measurements, Praktikum Pharmazie, PCI

14. Donini, J. C., Kan, J., Szynkarczuk, J., Hassan, T. A. dan Kar, K. L. (1994) Operating cost of electrocoagulation, Canadian Journal of Chemical Engineering, 72 (6), 1007-1012

15. Duan, J., dan Gregory, J., (2003), Coagulation by hydrolysing metal salts, Advances in Colloid and Interface Science, 100 –102, 475–502

16. Emamjomeh,M.M., dan Sivakumar, M., (2006), An empirical model for defluoridation by batch monopolar electrocoagulation/flotation (ECF) process, Journal of Hazardous Materials, B131, 118–125

17. Georgantas, D.A., dan Grigoropoulou, H.P., (2007), Orthophosphate and metaphosphate ion removal from aqueous solution using alum and aluminum hydroxide, Journal of Colloid and Interface Science, 315, 70–79

18. Ge, J., Qu, J., Lei, P., dan Liu, H., (2004), New bipolar electrocoagulation–electroflotation process for the treatment of laundry wastewater, Separation and Purification Technology, 36, 33–39

19. Hoinkis, J., dan Panten, V., (2008), Wastewater recycling in laundries—From pilot to large-scale plant, Chemical Engineering and Processing

20. Holmberg K., et al. (2002) Handbook of applied surface and colloid chemistry Vol.2, John Wiley & Sons, 239-248

21. Holt, P.K., Barton, G.W., and Mitchell, C.A., (1999) Electrocoagulation as A Wastewater Treatment, The Third Annual Australian Environmental Engineering Research Event. 23-26 November Castlemaine, Victoria

22. Holt, P. K., Barton, G. W. and Mitchell, C. A. (2001) The role of current in determining pollutant removal in a batch electrocoagulation reactor. In 6th World Congress of Chemical Engineering, Conference Media CD, Melbourne, Australia.

23. Holt, P.K., Barton, G.W., and Mitchell, C.A., (2004) Deciphering the Science Behind Electrocoagulation to Remove Suspended Clay Particles from Water, Water Science and Technology Vol. 50 No. 12 pp 177-184, IWA Publishing

24. Holt, P.K., Barton, G.W., and Mitchell, C.A., (2004) Future for Electrocoagulation as A Localised Water Treatment Technology, Chemosphere, Elsevier Ltd.

83  

25. Holt, P., (2002), Electrocoagulation : Unravelling and Synthesising the Mechanisms Behind a Water Treatment Process, Department of Chemical Engineering, University of Sydney

26. İrdemez, S., Yildiz, Y.S., dan Tosunoğlu, V., (2006), Optimization of phosphate removal from wastewater by electrocoagulation with aluminum plate electrodes, Separation and Purification Technology, 52, 394–401

27. Jianga, J.Q., Grahama, N., Andre, C., Kelsall, G.H., dan Brandon, N., (2002), Laboratory study of electro-coagulation–flotation for water treatment, Water Research, 36, 4064–4078

28. Kong, W., Wang, B., Ma, H., dan Gu, L., (2006), Electrochemical treatment of anionic surfactants in synthetic wastewater with three-dimensional electrodes, Journal of Hazardous Materials, B137, 1532–1537

29. Koparal, A. S. dan Ogutveren, U. B. (2002) Removal of nitrate from water by electroreduction and electrocoagulation. Journal of Hazardous Materials, B89, 83-94

30. Koparal, A.S., Onder, E., dan Ogutveren, U.B., (2006), Removal of linear alkylbenzene sulfonate from a model solution by continuous electrochemical oxidation, Desalination, 197, 262-272

31. Kovacheva, V. and Ninova (2003), Electrochemical Treatment of Mine Wastewater Containing Heavy Metal Ions, Mining and Mineral Processing vol. 46 part II pp. 215-220, Sofia, Bulgaria

32. Letterman, R. D., Amirtharajah, A. dan O'Melia, C. R. (1999) Coagulation and Flocculation dalam Water Quality and Treatment, A Handbook of community watersupplies, editor : Letterman, R. D. dan American Water Works Association, McGraw-Hill, New York.

33. Lin, S.H., Lin, C.M., dan Leu, H.G., (1999), Operating Characteristics and Kinetic Studies of Surfactant Wastewater Treatment by Fenton Oxidation, Water Research,Vol. 33, No. 7, pp. 1735- 1741

34. Lu, W. dan Leung, A.Y.T., (2003), A preliminary study on potential of developing shower/laundry wastewater reclamation and reuse system, Chemosphere, 52, 1451–1459

35. Mameri, N., Lounici, H., Belhocine, D., Grib, H., Piron, D. L. dan Yahiat, Y. (2001), Defluoridation of Sahara water by small plant electrocoagulation using bipolar aluminium electrodes. Separation and Purification Technology 24 (1-2), 113- 119

36. Mameri, N., Yeddou, A. R., Lounici, H., Belhocine, D., Grib, H. dan Bariou, B. (1998), Defluoridation of septentrional Sahara water of North Africa by electrocoagulation process using bipolar aluminium electrodes. Water Research, 32 (5), 1604-1612

84  

37. Mills, D., (2000), A New Process for Electrocoagulation, Journal AmericanWater Works Association 92(6) pp 34-43

38. Mollah, M.Y.A., Morkovsky, P., Gomes, J. A. G., Kesmez, M., Parga, J., and Cocke, D. L. (2004), Fundamentals, Present and Future Perspectives of Electrocoagulation, Journal of Hazardous Materials, B114: 199 – 210

39. Mollah, M. Y. A., Schennach, R., Parga, J. R., and Cocke, D. L. (2001), Electrocoagulation (EC) – Science and Applications, Journal of Hazardous Materials. B84: 29 – 41

40. Morel A., Diener S. (2006), Greywater Management in Low and Middle-Income Countries, Review of different treatment systems for households or neighbourhoods. Swiss Federal Institute of Aquatic Science and Technology (Eawag). Dübendorf, Switzerland

41. Moreno-Casillas, H.A., Cocke, D.L., Gomesa, J.A.G., Morkovsky, P., Parga, J.R. dan Peterson, E., (2007), Electrocoagulation mechanism for COD removal, Separation and Purification Technology, 56, 204–211

42. Ni’am, M.F., Othman, F., Sohaili, J., dan Fauzia, Z., (2007), Removal of COD and Turbidity to Improve Wastewater Quality Using Electrocoagulation Technique, The Malaysian Journal of Analytical Sciences, Vol 11 No 1, 198-205

43. Onder,E., Koparal, A.S., dan Ogutveren,U.B., (2007), An alternative method for the removal of surfactants from water: Electrochemical coagulation, Separation and Purification Technology, 52, 527–532

44. Pakalns, P., dan Farrar, Y.J., (1977), Effect of surfactants on the determination of aluminium in waters, Water Research, 11, 387-392

45. Parker, D.R., dan Bertsch, P.M., (1992), Identification and quantification of the “Al13” tridecameric polycation using Ferron, Environ. Sci. Technol. 26 (5), 908–914.

46. Rajeshwar, K., dan Ibanez, J.G., (1997), Environmental Electrochemistry, Elsevier Science & Technology Books

47. Robinson, V. (1999), Electroflocculation in the Treatment of Polluted Water, Water Down The Track, AWWA Regional Conference, Albury, NSW

48. Robinson, V. (2000), A New Technique for the Treatment of Waste Water, Enviro 2000 – Ozwater Ozwaste Conference, Darling Harbour, Sydney

49. Savitri, R.D., (2007), Pengaruh Arang Aktif dan Sagittaria Montevidensis Terhadap Penurunan Polutan Limbah Deterjen dengan Menggunakan Lahan Basah Buatan, Tugas Akhir ITB

85  

50. Smulders, E., (2002), Laundry Detergents, Wiley-VCH, Verlag GmbH, Weinheim

51. Shin, S.H., Kim, Y.H., Jung, S.K., Suh, K.H., Kang, S.G., Jeong, S.K., and Kim, H.G., (2004), Combined Performance of Electrocoagulation and Magnetic Separation Processes for Treatment of Dye Wastewater, Korean J. Chem. Eng. pp 806-810, Korea

52. Showell, M.S., (2006) Introduction to Detergents dalam Handbook of Detergents Part D: Formulation, editor : Uri Zoller, Taylor & Francis Group, hal. 1-26

53. Song, J., Han, M., Chung, T., and Choi, S., (2000) The Effect of Coagulation Time on the Turbidity Removal Efficiency in Electrocoagulation, School of Civil, Urban and Geosystem Engineering, Seoul National University, Seoul, Korea

54. Sostar-Turk, S., Petrini, I., dan Simoni, M., (2005), Laundry wastewater treatment using coagulation and membrane filtration, Resources, Conservation and Recycling, 44, 185–196

55. Tabrizi, G.B., dan Mehrvar, M., (2006), Pilot-plant study for the photochemical treatment of aqueous linear alkylbenzene sulfonate, Separation and Purification Technology, 49, 115–121

56. Talens-Alesson, F.I., Anthony,S., dan Bryce, M., (2004), Complexation of organic compounds in the presence of Al3+ during micellar flocculation, Water Research, 38, 1477–1483

57. US EPA, (2001), Managing Vehicle Washing to Prevent Contamination of Drinking Water, Office of Water US EPA

58. Vik, E. A., Carlson, D. A., Eikun, A. S. dan Gjessing, E. T. (1984), Electrocoagulation of potable water. Water Research 18 (11), 1355-1360

59. Woodwell, J.C., Dyer, J., Pinkham, R., and Chaplin, S., (1995) Water Effiency for Your Home, Rocky Mountain Institute, Third Edition

60. Zhou, Y., Liang, Z., dan Wang, Y., (2008), Decolorization and COD removal of secondary yeast wastewater effluents by coagulation using aluminum sulfate, Desalination, 225, 301–311

Lampiran I Hasil Penelitian

Berikut ini adalah hasil pengukuran pada penelitian yang dilakukan, sebagai

urutan adalah:

1. Percobaan batch untuk konfigurasi monopolar

a. Kerapatan arus 50 A/m2

b. Kerapatan arus 75 A/m2

c. Kerapatan arus 100 A/m2

2. Percobaan batch untuk konfigurasi bipolar

a. Kerapatan arus 50 A/m2

b. Kerapatan arus 75 A/m2

c. Kerapatan arus 100 A/m2

3. Variasi pH pada konfigurasi monopolar

4. Variasi pH pada konfigurasi bipolar

5. Percobaan kontinyu untuk konfigurasi monopolar

a. Waktu detensi 10 menit

b. Waktu detensi 30 menit

6. Percobaan kontinyu untuk konfigurasi bipolar

a. Waktu detensi 10 menit

b. Waktu detensi 30 menit

7. Pengukuran Critical Micelle Concentration

8. Berat elektroda

1. Percobaan batch untuk konfigurasi monopolar

a. Kerapatan arus 50 A/m2

Waktu (menit) 

Konduktivitas (µS/cm) 

Kekeruhan (NTU) 

Suhu (oC)  pH  MBAS 

(mg/L) COD (mg/L) 

Fosfat (mg/L) 

0  1098  173 26 10.23 345.33 730.44  7.5365  1100  176 28.5 10.15 317.23 674.51  6.82510  1115  198 30.9 10.11 275.83 536.63  6.22015  1110  163 32.1 10.08       20  1106  128 33.4 10.05 209.52 482.83  4.59025  1105  49 35.3 10.14       30  1097  22 36.3 10.16 175.40 365.22  3.48135  1096  11.7 37.1 10.14       40  1094  8.5 37.5 10.12 104.01 368.32  2.61845  1096  4.2 37.8 10.05       50  1094  3.1 37.9 10.16 97.05 241.42  2.23055  1092  2.9 38 10.19       60  1096  1.7 38.1 10.25 57.28 182.61  1.969

b. Kerapatan arus 75 A/m2

Waktu (menit) 

Konduktivitas (µS/cm) 

Kekeruhan (NTU) 

Suhu (oC)  pH  MBAS 

(mg/L) COD (mg/L) 

Fosfat (mg/L) 

0  1407  158 25.3 8.67 331.93 705.91  7.3575  1406  189 29.2 8.5 265.29 597.36  6.68310  1394  155 31.7 8.71 254.95 504.19  5.82315  1382  104 34.2 8.81       20  1372  42 37 8.86 163.81 386.04  3.3925  1364  13.4 38.4 8.96       30  1358  1.5 40.1 8.98 112.11 283.19  2.90435  1353  0.7 41.3 8.98       40  1348  0.4 42 9.04 83.38 217.62  2.41845  1345  0.4 42.5 9.07       50  1342  0.4 42.7 9.05 27.09 152.05  1.97855  1340  0.4 42.7 9.18       60  1338  0.3 42.8 9.23 18.28 145.19  1.118

c. Kerapatan arus 100 A/m2 Waktu (menit) 

Konduktivitas (µS/cm) 

Kekeruhan (NTU) 

Suhu (oC)  pH  MBAS 

(mg/L) COD (mg/L) 

Fosfat (mg/L) 

0  1678  189 24.8 10.53 356.49 674.15  7.8435  1621  78 30.4 10.45 251.59 465.52  6.79610  1570  36 33.6 10.37 175.21 290.44  5.03715  1475  25 37.7 10.19       20  1412  8.2 41 10.15 115.51 126.81  2.5325  1386  3.7 45.6 10.07       30  1381  1.9 47.2 10.01 91.81 95.72  1.33235  1374  0.7 49.4 9.97       40  1362  0.5 51.5 10 48.92 94.09  1.08745  1386  0.3 53.6 10.08       50  1380  0.2 58.7 10.12 16.73 81.81  0.92355  1378  0.3 61.5 10.19       60  1372  0.3 66.3 10.28 9.04 76.09  0.75

2. Percobaan batch untuk konfigurasi bipolar

b. Kerapatan arus 50 A/m2

Waktu (menit) 

Konduktivitas (µS/cm) 

Kekeruhan (NTU) 

Suhu (oC)  pH  MBAS 

(mg/L) COD (mg/L) 

Fosfat (mg/L) 

0  1319  170 25.6 10.22 331.4 599.44  7.544 5  1304  184 27.5 9.93 310.37 528.07  6.945 10  1294  190 29 9.95 284.73 491.59 6.683 15  1288  194 30 10.03       20  1285  151 30.7 10.07 225.28 360.56 5.411 25  1282  133 31.2 10.11       30  1279  92 32.6 10.13 198.16 308.38 4.925 35  1277  47 33.4 10.16       40  1274  19.6 34.2 10.19 123.58 287.5 3.914 45  1272  8.8 37.7 10.22       50  1270  7 35.5 10.25 82.54 257.51 2.304 55  1268  6.6 35.9 10.26       60  1267  6 36 10.27 65.76 234.26  1.656

b. Kerapatan arus 75 A/m2

Waktu (menit) 

Konduktivitas (µS/cm) 

Kekeruhan (NTU) 

Suhu (oC)  pH  MBAS 

(mg/L) COD (mg/L) 

Fosfat (mg/L) 

0  1085  184 25.4 10.2 363.72  709.33  7.8105  1098  190 29.6 9.78 303.57  584.97  6.57110  985  151 32.2 9.65 251.12  526.07  5.56115  983  149 34.5 9.84       20  981  88 36.5 9.93 197.13  403.35  4.77525  980  38 37.3 9.79       30  979  33 37.9 9.86 108.66  347.71  2.92535  975  16 38.5 9.89       40  977  7.1 38.9 9.95 99.05 308.44  2.33345  976  2 39.2 9.93       50  974  1.5 39.5 9.99 71.92 282.26  1.80255  1076  0.7 39.6 10.01       60  1049  0.2 39.7 10.11 54.66 185.72  1.394

c. Kerapatan arus 100 A/m2 Waktu (menit) 

Konduktivitas (µS/cm) 

Kekeruhan (NTU) 

Suhu (oC)  pH  MBAS 

(mg/L) COD (mg/L) 

Fosfat (mg/L) 

0  1686  144 24.8 10.63 351.23  754.35  7.6195  1963  68 30.4 10.58 284.72  599.65  6.30910  1762  30 33.6 10.38 201.39  475.83  5.11215  1695  14.8 37.9 10.33       20  1663  4.5 41.9 10.25 137.52  257.35  2.26225  1700  2 43.5 10.18       30  1713  2.1 46 10.13 97.26 195.30  1.42835  1686  0.6 48.3 10.03       40  1693  0.6 50.1 10.02 50.17 161.37  1.05445  1669  0.5 54.9 10.09       50  1658  0.3 58.4 10.2 38.92 113.71  0.77755  1641  0.3 60.6 10.15       60  1673  0.2 63.7 10.11 16.79 104.20  0.642

3. Variasi pH pada konfigurasi monopolar

pH  Konduktivitas (µS/cm) 

Kekeruhan (NTU)  Suhu (oC)  MBAS (mg/L)  COD (mg/L)  Fosfat (mg/L)

awal  akhir awal  akhir  awal akhir awal akhir awal akhir awal  akhir awal akhir2.01  1.88 2093  1732  146 46 24.1 33.1 236.95 145.63 481.44 326.61 7.046 2.9224.04  5.94 1805  1625  170 13 24 36.5 237.34 65.20 788.33 289.47 7.163 2.1906.1  7.54 1593  1557  179 3 24 34.7 346.87 78.81 772.33 264.99 7.724 1.1398.06  8.99 1458  1351  163 2 24.2 34.9 345.33 125.29 756.33 206.10 7.592 1.32910.03  10.12 1435  1341  165 6 24.1 35.2 356.82 146.51 635.39 224.80 7.437 1.60211.98  11.56 1478  1372  169 38 24 34.2 347.12 208.17 750.65 495.35 7.145 2.720

4. Variasi pH pada konfigurasi bipolar

pH  Konduktivitas (µS/cm) 

Kekeruhan (NTU)  Suhu (oC)  MBAS (mg/L)  COD (mg/L)  Fosfat (mg/L)

awal  akhir awal  akhir  awal akhir awal akhir awal akhir awal  akhir awal akhir2  3.52 2740  2510  344 117 25.1 31.4 229.35 158.60 635.39 489.57 6.914 3.086

4.03  5.57 2940  2110  272 23 24.9 32.8 230.38 78.74 750.65 298.83 7.091 1.7395.97  6.9 1938  1885  265 4 25 32.7 230.71 75.53 672.36 200.70 7.056 1.5548.03  8.31 1734  1654  201 4 24.8 30.9 337.28 89.11 865.42 252.36 7.103 1.48510.06  10.13 1650  1580  180 8 24.7 31.7 335.61 106.86 709.33 217.41 7.192 1.73412.04  11.73 1725  1692  227 59 24.9 29.7 346.83 207.99 724.06 536.60 7.099 2.888

5. Percobaan kontinyu untuk konfigurasi monopolar

a. Waktu detensi 10 menit

Waktu (menit) 

Konduktivitas (µS/cm) 

Kekeruhan (NTU) 

Suhu (oC)  pH  MBAS 

(mg/L) COD (mg/L) 

Fosfat (mg/L) 

inlet  1333  182 26.4 9.54 256.87  704.42  7.39110  1296  128 27.1 9.64 185.25  509.70  6.78120  1312  97 27.8 9.71 173.38  457.34  5.92330  1323  51 27.8 9.71 149.25  403.43  5.46740  1309  39 27.9 9.68 135.04  358.62  5.01550  1303  37 28 9.66 129.61  309.12  4.83660  1304  35 28.1 9.66 126.25  303.48  4.747

b. Waktu detensi 30 menit

Waktu (menit) 

Konduktivitas (µS/cm) 

Kekeruhan (NTU) 

Suhu (oC)  pH  MBAS 

(mg/L) COD (mg/L) 

Fosfat (mg/L) 

inlet  1516  193 25.4 10.01 272.93  741.69  7.51410  1428  52 31.6 9.98 179.36  482.71  5.28120  1418  36 33.8 9.95 105.29  227.85  3.48130  1390  10 35.9 9.94 80.16  173.91  1.32840  1384  7 39.7 9.89 75.38  108.65  1.31750  1383  5 41.5 9.82 71.26  109.15  1.29460  1380  2 43.5 9.66 70.29  105.31  1.276

6. Percobaan kontinyu untuk konfigurasi bipolar

a. Waktu detensi 10 menit

Waktu (menit) 

Konduktivitas (µS/cm) 

Kekeruhan (NTU) 

Suhu (oC)  pH  MBAS 

(mg/L) COD (mg/L) 

Fosfat (mg/L) 

inlet  1333  182 26.4 9.54 256.87  704.42  7.39110  1289  139 27.5 9.6 218.45  614.80  6.98320  1270  101 28.2 9.56 186.62  573.16  6.38230  1266  52 28.6 9.55 170.53  550.44  5.81440  1292  43 28.7 9.52 155.07  507.13  5.27650  1292  39 28.5 9.48 149.43  459.15  5.09660  1293  38 28.1 9.66 147.28  444.34  4.96

b. Waktu detensi 30 menit

Waktu (menit) 

Konduktivitas (µS/cm) 

Kekeruhan (NTU) 

Suhu (oC)  pH  MBAS 

(mg/L) COD (mg/L) 

Fosfat (mg/L) 

inlet  1516  193 25.4 10.01 272.93  741.69  7.51410  1469  102 29.5 9.99 158.25  489.51  5.14520  1426  59 31.8 9.91 103.71  294.72  3.78230  1419  27 34.82 9.82 91.48  207.82  1.93240  1392  6 38.1 9.79 80.82  162.51  1.61550  1394  6 40.9 9.71 78.15  160.36  1.46960  1385  3 40.6 9.72 75.58  154.94  1.417

7. Pengukuran Critical Micelle Concentration

Volume  Konsentrasi Konduktivitas (µS/cm)larutan (mL)  SDS (mol/L)  Pelarut 

AquadestPelarut 

Aquabidest 50  0.0200  2490 184655  0.0182  2310 172660  0.0167  2170 161865  0.0154  2040 152870  0.0143  1937 145275  0.0133  1844 138580  0.0125  1762 132885  0.0118  1691 127490  0.0111  1626 122995  0.0105  1568 1187100  0.0100  1514 1148105  0.0095  1464 1108110  0.0091  1418 1074115  0.0087  1374 1040120  0.0083  1332 1008125  0.0080  1291 977130  0.0077  1254 948135  0.0074  1217 920140  0.0071  1182 893145  0.0069  1149 867150  0.0067  1118 843155  0.0065  1088 820160  0.0063  1060 798165  0.0061  1032 778170  0.0059  1006 758175  0.0057  982 739

180  0.0056  958 721185  0.0054  935 704190  0.0053  914 687195  0.0051  893 672200  0.0050  874 657

8. Berat elektroda

Konfigurasi Kerapatan arus (A/m2)

td (menit)

Berat elektroda (g) Konsentrasi Al (mg/L) Awal Akhir Selisih

Monopolar 50 10 75.7698 75.7579 0.0119 0.024 20 75.7222 75.6883 0.0339 0.068 30 75.6543 75.6094 0.0449 0.090 40 75.5645 75.5077 0.0568 0.114 50 75.4394 75.3606 0.0788 0.158 60 75.3275 75.2368 0.0907 0.181 75 10 74.5293 74.5103 0.0190 0.038 20 74.5081 74.4676 0.0405 0.081 30 74.3972 74.3362 0.0610 0.122 40 74.3019 74.2239 0.0780 0.156 50 74.1946 74.0956 0.0990 0.198 60 74.0548 73.9323 0.1225 0.245 100 10 76.6720 76.6461 0.0259 0.052 20 76.4037 76.3331 0.0707 0.141 30 76.2624 76.1783 0.0842 0.168 40 75.9228 75.8128 0.1101 0.220 50 75.7418 75.5870 0.1548 0.310 60 75.5592 75.3894 0.1698 0.340 Bipolar 50 10 75.1825 75.1715 0.0110 0.022 20 75.1365 75.1090 0.0275 0.055 30 75.1074 75.0664 0.0410 0.082 40 75.0623 75.0073 0.0550 0.110 50 74.9917 74.9137 0.0780 0.156 60 74.8539 74.7644 0.0895 0.179 75 10 73.8573 73.8393 0.0180 0.036 20 73.7194 73.6819 0.0375 0.075 30 73.6073 73.5473 0.0600 0.120 40 73.4975 73.4255 0.0720 0.144 50 73.3795 73.2875 0.0920 0.184 60 73.1925 73.0730 0.1195 0.239 100 10 75.8643 75.8351 0.0293 0.059 20 75.7418 75.6806 0.0613 0.123 30 75.5841 75.5053 0.0789 0.158 40 75.4925 75.3844 0.1081 0.216 50 75.2556 75.1155 0.1401 0.280 60 75.1356 74.9663 0.1694 0.339

Lampiran II Perhitungan kinetika

1. Konsentrasi Surfaktan

a. Monopolar

Waktu Monopolar  ‐Ln (Ct/Co) 

50 A/m2 

75 A/m2 

100 A/m2 

50 A/m2 

75 A/m2 

100 A/m2 

0  345.33 331.93 356.49 0.000 0.000 0.000 5  317.23 265.29 251.59 0.085 0.224 0.349 10  275.83 254.95 175.21 0.225 0.264 0.710 20  209.52 163.81 115.51 0.500 0.706 1.127 30  175.4 112.11 91.81 0.677 1.085 1.357 40  104.01 83.38 48.92 1.200 1.382 1.986 50  97.05 27.09 16.73 1.269 2.506 3.059 60  57.28 18.28 9.04 1.797 2.899 3.675 

y = 0.0584x ‐ 0.0364R² = 0.9713

y = 0.0482x ‐ 0.1619R² = 0.9579

y = 0.0292x ‐ 0.065R² = 0.9795

‐0.500

0.000

0.500

1.000

1.500

2.000

2.500

3.000

3.500

4.000

0 10 20 30 40 50 60 70

‐Ln (Ct/Co

)

Waktu (menit)

100 A/m2

75 A/m2

50 A/m2

b. Bipolar

Waktu Bipolar  ‐Ln (Ct/Co) 

50 A/m2 

75 A/m2 

100 A/m2 

50 A/m2 

75 A/m2  100 A/m2 

0  331.4 363.72 351.23 0.000 0.000 0.000 5  310.37 303.57 284.72 0.066 0.181 0.210 10  284.73 251.12 201.39 0.152 0.370 0.556 20  225.28 197.13 137.52 0.386 0.613 0.938 30  198.16 108.66 97.26 0.514 1.208 1.284 40  123.58 99.05 50.17 0.986 1.301 1.946 50  82.54 71.92 38.92 1.390 1.621 2.200 60  65.76 54.66 16.79 1.617 1.895 3.041 

y = 0.048x ‐ 0.0188R² = 0.9878

y = 0.0319x + 0.0419R² = 0.9841

y = 0.028x ‐ 0.1129R² = 0.9714

‐0.500

0.000

0.500

1.000

1.500

2.000

2.500

3.000

3.500

0 10 20 30 40 50 60 70

‐Ln (Ct/Co

)

Waktu (menit)

100 A/m2

75 A/m2

50 A/m2

2. Konsentrasi COD

a. Monopolar

Waktu Monopolar  ‐Ln (Ct/Co) 

50 A/m2 

75 A/m2 

100 A/m2 

50 A/m2 

75 A/m2 

100 A/m2 

0  730.44 705.91 674.15 0.000 0.000 0.000 5  674.51 597.36 465.52 0.080 0.167 0.370 10  536.63 504.19 290.44 0.308 0.337 0.842 20  482.83 386.04 126.81 0.414 0.604 1.671 30  365.22 283.19 95.72 0.693 0.913 1.952 40  368.32 217.62 94.09 0.685 1.177 1.969 50  241.42 152.05 81.81 1.107 1.535 2.109 60  182.61 145.19 76.09 1.386 1.581 2.182 

y = 0.0356x + 0.4298R² = 0.8248

y = 0.0277x + 0.0448R² = 0.9879

y = 0.0218x ‐ 0.0011R² = 0.968

‐0.500

0.000

0.500

1.000

1.500

2.000

2.500

3.000

0 10 20 30 40 50 60 70

‐Ln (Ct/Co

)

Waktu (menit)

100 A/m2

75 A/m2

50 A/m2

b. Bipolar

Waktu Monopolar  ‐Ln (Ct/Co) 

50 A/m2  75 A/m2  100 A/m2  50 A/m2  75 A/m2  100 A/m2 0  599.44 709.33 754.35 0.000 0.000  0.0005  528.07 584.97 599.65 0.127 0.193  0.23010  491.59 526.07 475.83 0.198 0.299  0.46120  360.56 403.35 257.35 0.508 0.565  1.07530  308.38 347.71 195.30 0.665 0.713  1.35140  287.5 308.44 161.37 0.735 0.833  1.54250  257.51 282.26 113.71 0.845 0.921  1.89260  234.26 185.72 104.20 0.940 1.340  1.980

y = 0.0339x + 0.1541R² = 0.9574

y = 0.0196x + 0.0802R² = 0.9663

y = 0.0158x + 0.0785R² = 0.9511

0.000

0.500

1.000

1.500

2.000

2.500

0 10 20 30 40 50 60 70

100 A/m2

75 A/m2

50 A/m2

3. Konsentrasi Fosfat

a. Monopolar

Waktu Monopolar  ‐Ln (Ct/Co) 

50 A/m2 

75 A/m2 

100 A/m2 

50 A/m2 

75 A/m2 

100 A/m2 

0  7.536 7.357 7.843 0.000 0.000 0.000 5  6.825 6.683 6.796 0.099 0.096 0.143 10  6.22 5.823 5.037 0.192 0.234 0.443 20  4.59 3.39 2.530 0.496 0.775 1.131 30  3.481 2.904 1.332 0.772 0.930 1.773 40  2.618 2.418 1.087 1.057 1.113 1.976 50  2.23 1.978 0.923 1.218 1.314 2.140 60  1.969 1.118 0.750 1.342 1.884 2.347 

y = 0.0419x + 0.1174R² = 0.9415

y = 0.0296x ‐ 0.0012R² = 0.9714

y = 0.0239x + 0.0039R² = 0.9871

0.000

0.500

1.000

1.500

2.000

2.500

3.000

0 10 20 30 40 50 60 70

‐Ln(Ct/Co)

Waktu (menit)

100 A/m2

75 A/m2

50 A/m2

b. Bipolar

Waktu Bipolar  ‐Ln (Ct/Co) 

50 A/m2 

75 A/m2 

100 A/m2 

50 A/m2 

75 A/m2 

100 A/m2 

0  7.544 7.81 7.62 0.000 0.000 0.000 5  6.945 6.571 6.31 0.083 0.173 0.189 10  6.683 5.561 5.11 0.121 0.340 0.399 20  5.411 4.775 2.26 0.332 0.492 1.214 30  4.925 2.925 1.43 0.426 0.982 1.674 40  3.914 2.333 1.05 0.656 1.208 1.978 50  2.304 1.802 0.78 1.186 1.467 2.283 60  1.656 1.394 0.64 1.516 1.723 2.474 

 

y = 0.0438x + 0.0982R² = 0.9624

y = 0.029x + 0.0189R² = 0.9917

y = 0.0243x ‐ 0.114R² = 0.9369

‐0.500

0.000

0.500

1.000

1.500

2.000

2.500

3.000

0 10 20 30 40 50 60 70

‐Ln (Ct/Co

)

Waktu (menit)

100 A/m2

75 A/m2

50 A/m2

Lampiran III Uji statistik

1. Konsentrasi Surfaktan

a. Kerapatan arus 50 A/m2

t‐Test: Two‐Sample Assuming Equal Variances 

   Monopolar  Bipolar Mean  197.70625 202.7275Variance  11635.62168 10695.26648Observations  8 8Pooled Variance  11165.44408Hypothesized Mean Difference  0df  14

t Stat ‐

0.095039434P(T<=t) one‐tail  0.462815213t Critical one‐tail  1.761310115P(T<=t) two‐tail  0.925630426

t Critical two‐tail  2.144786681   

b. Kerapatan arus 75 A/m2

t‐Test: Two‐Sample Assuming Equal Variances 

   Monopolar  Bipolar Mean  157.105 181.22875Variance  13646.0832 13342.2423Observations  8 8Pooled Variance  13494.16275Hypothesized Mean Difference  0df  14

t Stat ‐

0.415338168P(T<=t) one‐tail  0.34209486t Critical one‐tail  1.761310115P(T<=t) two‐tail  0.684189721t Critical two‐tail  2.144786681   

c. Kerapatan arus 100 A/m2

t‐Test: Two‐Sample Assuming Equal Variances 

   Monopolar  Bipolar Mean  133.1625 147.25Variance  14821.37116 14887.19726Observations  8 8Pooled Variance  14854.28421Hypothesized Mean Difference  0df  14

t Stat ‐

0.231173506P(T<=t) one‐tail  0.410262204t Critical one‐tail  1.761310115P(T<=t) two‐tail  0.820524409t Critical two‐tail  2.144786681   

2. Konsentrasi COD

a. Kerapatan arus 50 A/m2

t‐Test: Two‐Sample Assuming Equal Variances 

   Monopolar  Bipolar Mean  447.74625 383.41375Variance  38065.49519 18963.6104Observations  8 8Pooled Variance  28514.55279Hypothesized Mean Difference  0df  14t Stat  0.761951173P(T<=t) one‐tail  0.229366986t Critical one‐tail  1.761310115P(T<=t) two‐tail  0.458733971

t Critical two‐tail  2.144786681   

b. Kerapatan arus 75 A/m2

t‐Test: Two‐Sample Assuming Equal Variances 

   Monopolar  Bipolar Mean  373.94375 418.48125Variance  44495.04131 30566.78116Observations  8 8Pooled Variance  37530.91123Hypothesized Mean Difference  0df  14t Stat  ‐0.459791858P(T<=t) one‐tail  0.326362405t Critical one‐tail  1.761310115P(T<=t) two‐tail  0.652724809

t Critical two‐tail  2.144786681   

c. Kerapatan arus 100 A/m2

t‐Test: Two‐Sample Assuming Equal Variances 

   Monopolar  Bipolar Mean  238.07875 332.72Variance  49809.87767 60516.63431Observations  8 8Pooled Variance  55163.25599Hypothesized Mean Difference  0df  14t Stat  ‐0.805908093P(T<=t) one‐tail  0.216886003t Critical one‐tail  1.761310115P(T<=t) two‐tail  0.433772007

t Critical two‐tail  2.144786681   

3. Konsentrasi Fosfat

a. Kerapatan arus 50 A/m2

t‐Test: Two‐Sample Assuming Equal Variances 

   Monopolar  Bipolar Mean  4.433625 4.92275Variance  4.813331696 4.692058Observations  8 8Pooled Variance  4.75269467Hypothesized Mean Difference  0df  14t Stat  ‐0.44872462P(T<=t) one‐tail  0.330248739t Critical one‐tail  1.761310115P(T<=t) two‐tail  0.660497478

t Critical two‐tail  2.144786681   

b. Kerapatan arus 75 A/m2

t‐Test: Two‐Sample Assuming Equal Variances 

   Monopolar  Bipolar Mean  3.958875 4.146375Variance  5.464026411 5.649862Observations  8 8Pooled Variance  5.556944339Hypothesized Mean Difference  0df  14t Stat  ‐0.15907914P(T<=t) one‐tail  0.437939303t Critical one‐tail  1.761310115P(T<=t) two‐tail  0.875878606t Critical two‐tail  2.144786681   

c. Kerapatan arus 100 A/m2

t‐Test: Two‐Sample Assuming Equal Variances 

   Monopolar  Bipolar Mean  3.28725 3.150375Variance  8.198950786 7.69556Observations  8 8Pooled Variance  7.947255527Hypothesized Mean Difference  0df  14t Stat  0.097105882P(T<=t) one‐tail  0.462009391t Critical one‐tail  1.761310115P(T<=t) two‐tail  0.924018782

t Critical two‐tail  2.144786681   

 

Lampiran IV. Hasil Analisa Software Origin Pro 7.0

1. Hasil analisa persamaan kurva

A0 Ab1 k1 t1 Ab2 k2 t2 R2 Monopolar pH 2 0.115 0.0810 0.00351 284.9 0.0843 0.000341 2932.6 0.9930pH 4 0.113 0.0827 0.00538 185.9 0.0874 0.000431 2320.2 0.9970pH 6 0.083 0.0813 0.00560 178.6 0.0816 0.000465 2150.5 0.9980pH 8 0.085 0.0815 0.00641 156.0 0.0824 0.000581 1721.2 0.9940pH 10 0.123 0.0819 0.00647 154.6 0.0831 0.000405 2469.1 0.9990pH 12 0.124 0.0808 0.00654 152.9 0.0810 0.000288 3472.2 0.9910Kerapatan arus 50 A/m2 0.102 0.0809 0.00645 155.0 0.0819 0.000545 1834.9 0.9993Kerapatan arus 75 A/m2 0.112 0.0814 0.00633 158.0 0.0826 0.000430 2325.6 0.9987Kerapatan arus 100 A/m2 0.124 0.0814 0.00560 178.6 0.0836 0.000465 2150.5 0.9952td=10 menit, I=100 A/m2 0.095 0.0811 0.00463 216.0 0.0814 0.000181 5524.9 0.9973td=30 menit, I=100A/m2 0.118 0.0812 0.00753 132.8 0.0836 0.000361 2770.1 0.9989 Bipolar pH 2 0.116 0.0810 0.0038 261.8 0.0839 0.000234 4273.5 0.9999pH 4 0.112 0.0819 0.0041 246.3 0.0879 0.000205 4878.0 0.9997pH 6 0.081 0.0809 0.0047 215.1 0.0816 0.000210 4761.9 0.9969pH 8 0.086 0.0808 0.0047 213.2 0.0811 0.000217 4608.3 0.9975pH 10 0.122 0.0812 0.0056 180.2 0.0837 0.000185 5405.4 0.9928pH 12 0.122 0.0807 0.0056 179.5 0.0811 0.000253 3952.6 0.9995Kerapatan arus 50 A/m2 0.101 0.0809 0.0064 156.0 0.0819 0.000581 1721.2 0.9937Kerapatan arus 75 A/m2 0.110 0.0813 0.0065 154.6 0.0825 0.000405 2469.1 0.9915Kerapatan arus 100 A/m2 0.122 0.0814 0.0065 152.9 0.0833 0.000288 3472.2 0.9953td=10 menit, I=100 A/m2 0.093 0.0810 0.0034 291.5 0.0813 0.000245 4081.6 0.9984td=30 menit, I=100A/m2 0.113 0.0812 0.0065 152.9 0.0833 0.000288 3472.2 0.9993

2. Distribusi senyawa aluminium

Monopolar Bipolar

Ala (%)

Alb (%)

Alc (%)

AlT (mg/L)

Ala (%)

Alb (%)

Alc (%)

AlT (mg/L)

pH 2 85.52 10.19 4.29 0.142 89.34 9.33 1.33 0.139

pH 4 68.93 18.74 12.33 0.164 69.00 18.67 12.33 0.161

pH 6 5.71 3.39 90.90 0.174 1.33 2.67 96.00 0.173

pH 8 8.07 5.42 86.51 0.171 12.00 1.33 86.67 0.168

pH 10 89.17 7.88 2.95 0.167 90.00 8.00 2.00 0.160

pH 12 98.68 1.32 0.00 0.152 98.67 1.33 0.00 0.146

Kerapatan arus 50 A/m2

90.69 6.83 2.48 0.084 91.13 7.13 1.74 0.077

Kerapatan arus 75 A/m2

87.55 7.83 4.62 0.126 86.88 7.73 5.39 0.118

Kerapatan arus 100 A/m2

89.27 7.81 2.92 0.168 90.43 7.67 1.90 0.160

td=10 menit, I=100 A/m2

89.46 7.68 2.86 0.056 90.52 7.60 1.88 0.049

td=30 menit, I=100A/m2

77.82 7.53 14.65 0.170 72.14 7.36 20.49 0.158

Lampiran V. Foto Peralatan

(a) (b)

(c) (d)

(e) (f)

Gambar 1. Percobaan batch (a) rangkaian peralatan, (b) reaktor batch, (c) DC power supply, (d) conductivity meter, (e) multi meter, (f) rangkaian elektroda

(a) (b)

(c) (d)

Gambar 2. Percobaan kontinyu (a) rangkaian peralatan, (b) bak penampung, (c) reaktor kontinyu, (d) aliran air limbah saat percobaan

(a) (b)

(c)

(d)

(e)

(f)

Gambar 3. Peralatan pengujian (a) corong pemisah, (b) Spektrofotometer UV-Vis (c) sampel yang dianalisa, (d) Spektrofotometer, (e) COD reaktor, (f) Peralatan AAS.