REMOVAL OF ANTIBIOTIC FROM WASTEWATER BY ADSORPTION
BY KALAIVANAN.P
CE16SFP0576
KALASALINGAM UNIVERSITY,
MADURAI, TAMILNADU
Guide Dr.S.Mathava Kumar
ASSISTANT PROFESSOREWRE DIVISION
DEPARTMENT OF CIVIL ENGINEERING
IIT MADRAS
CONTENT
INTRODUCTION
OBJECTIVE AND STUDY
ANTIBIOTIC
ADSORPTION
MATERIALS AND METHODS
RESULT
CONCLUSION
INTRODUCTION
Antibiotics are prescribed for the treatment of an infection caused by bacteria, fungi and parasites
Kill bacteria by destroy the structure of their DNA Antibiotic -Metronidazole (MET).cause -vomiting, fever, joints pain..etc.Antibiotic cause problem in environment and human life.
OBJECTIVES AND STUDY
Remove MET from aqueous system by means of adsorption process.
Efficiency of the adsorbents in removing MET. Effect of -pH and contact time. Removal of MET using. PAC TiO2
Concrete contain graphene
Three of the primary sources of antibiotics entering the environment Medicine Agriculture (both livestock and produce). Pharmaceutical processing plants dumping drugs
into wastewater.
ADSORPTION
Adsorption is physico-chemical method is an attractive and effective method for antibiotic removal .
MECHANISM OF ADSORPTION
Bulk solution transport
Film diffusion
Pore diffusion
Attachment of molecules
MATERIALS AND METHODS
Materials Powdered Activated Carbon (PAC) Titanium oxide (TiO2) Graphene Coated Concrete
Method Adsorption Centrifuge HPLC (High Performance Liquid
Chromatography )
Kinetic studies
It is used to find out Equilibrium time.
stock solution - 100 mg/LMET concentration i.e. 10 mg/L .
Adsorbent o Concrete Contain Graphene (1g/L, 10g/L ,20g/L)o PAC (1g/L)o TiO2 (1g/L) .
Sample and centrifuge
Equilibrium study
Adsorption Isotherm is used to find the maximum adsorption capacity
o Langmuir isotherm o Freundlich isotherm
MET Concentration varied 1,5, 10, 25, 50, 100 mg/L
Adsorbent dose: PAC:1 g/L, Concrete containing graphene: 10g/L
Kinetic study -Concrete
0 10 20 30 40 50 60 700
2
4
6
8
10
Concrete (1g/L)
Time, h
conc
,mg/
L
0 6 12 18 24 30 36 42 48 54 60 66 720
2
4
6
8
10
Concrete (10g/L)
Time, h
conc
,mg/
L
0 6 12 18 24 30 36 42 48 54 60 66 720123456789
10
Concrete (20g/L)
Series1
time,h
cong
,mg/
L
Kinetic study of PAC and TiO2
0 6 12 18 24 30 36 42 48 54 60 66 720
2
4
6
8
10
PAC
Time, h
Con
c, m
g/L
0 6 12 18 24 30 36 42 48 54 60 66 720123456789
10TiO2
Time,hC
onc,
mg/
L
Equilibrium study for PAC
0 0.05 0.1 0.15 0.2 0.25 0.30
2
4
6
8
10
12
f(x) = 44.9682336857175 x − 0.294636941412129R² = 0.985047254821143
Langmuir
1/Ce
1/qe
1 1.5 2 2.5 3 3.5 4 4.5 5-3
-2.5
-2
-1.5
-1
-0.5
0
0.5
1
f(x) = 1.01973218725823 x − 3.74916771943673R² = 0.995004317036003
Freundlich
ln Ce
ln q
e
PAC and CONCRETE The maximum adsorption capacity of PAC and
graphene coated concrete for MET removal was 3.48 mg/g and 0.18 mg/g
PAC has shown nearly 98% removal (from 10 mg/L to 0.02 mg/L) with in 1 hr
Concrete with a dosage of 1, 10 and 20 g/L as shown of MET removal of 13.5, 15.5 and 19.7%, respectively
CONCLUSION
PAC fit in to Freundlich isotherm Its is a good adsorbent to remove MET from
wastewater PAC is multi pollutant adsorbent Some of new adsorbent can be under go kinetic
study and isotherm
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