UOP Aromatics Complex

7/28/2019 UOP Aromatics Complex

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TI: THPSNXUTHYDROCACBON THM CA UOP

Nhm ti: TrngNgcThng20109733 NguynTh Kim Ngn - 20109751 onThThun - 20109838

GVHD: PGS Phm Thanh Huyn

I HC BCH KHOA H NIVIN K THUT HA HC

B MN HU CHA DU


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Ni dung

Limu Tnh chtkthutchyu

ca Ar

Mtsngunchyu

snxut Ar

Thpsnxutca UOP

Kt lun

Ti liutham kho

Ph ch


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LiMuBenzen, Toluen, Xylen, etylbenzen, cumen v mts

Hydrocacbon thm khc c ng dng rng ri trongcng nghtnghp ha du

Cc Arc c trngbicu trc vngbnvng, do chng khng d dng tham gia phnngcng cctc nhn dng halogen v cc axit nh anken.

Cc Arrtnhyviphnngth electrophil vis cmt xc tc.


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S 1: Lng tiu th xylen trn ton th gii nm 1999


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S 2: Lng tiu th Benzen thgii nm 2001


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I. Tnh chtkthutBenzen lng khng mu, mi thm, dbt chy v to

hnhpnvi khng kh, tan t trong nc

Toluen lng khng mu, thm, linh ng, dbt chy,tan ln trong benzen, etanol, xeton nhng tan ttrong nc

O-xylen v m-xylen dnglng khng mu, cn p-xylen c th dnglng khng mu hoc tinh th.

C 3 ng phn xylen urtc hi v dbt chy.


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Bng 1: Mtsctrngkthutca BTX, etylbenzen vcumen [1]


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Vy cc ngun chnh sn xut hp chtthm ni l cc ngun no???


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II. Cc ngun sn xut chnh

Ngun t qu trnh CCR

Ngun t xng nhit phn

Nguntcc ha than


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III. Thpsnxut Arca UOP

S tng qut


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Cc qu trnh chnh trong Thpsnxut Arca UOP

3.1) X l Naptha ( Naphtane Hydrotreating ) 3.2) Qu trnh Reforming xc tc

3.3) Qu trnh Tatoray

3.4) Qu trnh Parex 3.5) Qu trnh Isomar


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3.1. X l Naphtha Mc ch: Loi b lu hunh v Ni-t ra khi nguyn

liu ca qu trnh reforming xc tc, trnh gy ng cxc tc

Xc tc: Co-Mo/Al2O3


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Cng ngh

[http://www.enggcyclopedia.com/2012/02/naph

tha-hydrotreating-unit/]


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Hnh 2: S tch Naphtha sau khi x l[http://www.enggcyclopedia.com/2012/02/naphtha-

hydrotreating-unit/]

Chn nguyn liu l naphtha c khong nhit sit 107 1600C cho t c hiu qu thu para-

xylene l ln nht.


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3.2 Qu trnh Reforming xc tcCc phn ng chnh din ra Dehydro ha cc naphten (alkyl xyclohexan) Dehydro vng ha parafin v isoparafin Isome ha parafin thnh isoparafin Isome ha cc alkyl xyclohexan Hydrocracking parafin, naphten v tch metan To cc

ctrngnhitnghccamiphnng l khc nhaunhng tng qut chung th y l qu trnh thu nhit vtng th tch thch hp iu kin nhit cao v psutthp


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Xc tc

Bn cht xc tc

Chc hydro ha/dehydro ha nh s c mt ca kimloi

Chc axit nh thnh phn v cu trc ca cht mang

Xc tc thng c s dngXc tc c cha cc oxit hay sunfit ca Cr, Mo, Ni hay

W

Xc tc c cha cc cc kim qu l Pt, hay Pt kt hp

vi kim loi khc Cht mang l Al2O3c cha cc hp cht halogen


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Cng ngh CCR Platforming ca UOP

Hnh 3: Cng ngh CCR Platforming ca UOP [4]


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3.3. Qu trnh Tatoray

S cng ngh

Hnh 4: T hp snxut hydrocacbon thm ca UOP [3]


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Qu trnh Tatoray

Cc phn ng chnh

Phn b li toluen

Chuyn v alkyl


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Mt s c im ca qu trnh

T l H2/Hydrocacbon dng vo thit b l 5-20.

Nng hydro trong dng kh tun hon ln hn 70%th tch.

Xc tc loi T20 l dng zeolit c cha kim loi

chuyn tip, ti sinh xc tc bng qu trnh t cctrong dng khng kh ngho oxy, tui th ca xc tcthng di hn 2 nm.

Qu trnh c tin hnh p sut 3-4 Mpa.

Nhit tng t 410 n 4700C.


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Bng 4: Sn lngsnphmtia cc iukinca qu trnh Tatoray


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V tr trong t hp sn xut Ar


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S cng ngh

Hnh 5: S cng ngh Tatoray ca UOP


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3.4. Qu trnh Parex

Hnh 6: T hp snxut hydrocacbon thm ca UOP [3]


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Qu trnh Parex UOP Parex l qu trnh s dng phng php tch vi

h hp ph zeolit sng phn t thu hi p-X t hncc ng phn xylen

Hu ht cc qu trnh Parex ngy nay c thit k sn xut p-X c tinh khit l 99,9 % khi lng vthu hi c trn 97 % lng a vo.

Qu trnh Parex m phng s chuyn ng ngcchiu nhau ca lng lng nguyn liu so vi lp chthp ph tc c nh. Nguyn liu v sn phm vo v

ra khi lp cht hp ph mt cch lin tc vi thnhphn gn nh khng thay i. K thut ny cn i khigi lsimulated moving-bed(MBA) lp hp ph gichuyn ng.


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Ch tiu thnh phn nguyn liu [3]

Thnh phn Ch tiu

Para Xylen min, % khi lng 18

Etyl Benzen max, % khi lng 20

Toluen max, % khi lng 0.5

Hydrocacbon C9+ max, % khi lng 1.5

Hydrocacbon khng thm max, % khi lng 0.3

Nit max, mg/kg 1.0

Luhunh max, mg/kg 1.0Axit Khng c c


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S cng ngh

V tr trong t hp sn xut hp cht thm


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Cng ngh UOP Parex

Hnh 7a: S cng ngh UOP Parex [3]


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Hnh 7b: S UOP Parex c mt thp van quay


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Hnh 8: M hnh thp hp ph vi lp cht hp ph chuyn ng


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Thitbhpph sng phn t van quay
http://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLVhttp://localhost/var/www/apps/conversion/tmp/Downloads/Video/videoplayback.FLV


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3.5. Qu trnh Isomar

Hnh 9: T hp snxut hydrocacbon thm

ca UOP [3]


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Phn xng UOP Isomar c s dng thu ti amt ng phn xylen no trong hn hp ng phnhydrocacbon thm C8.

Mt phn xng Isomar thng thng s lun i cngvi mt phn xng thu hi mt hay nhiu ngxylen. V hu ht cc phn xng Isomar thng icng vi phn xng Parex thu hi p-xylen.


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Qu trnh Isomar

Cc phn ng chnh

Phn ng isome ha Xylen

Phn ng isome ha Etyl benzen


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Phn ng Dealkyl Etylbenzen

Mt s c im ca qu trnh

Qu trnh ctin hnh trong dng Hydro vitl H2/RHl 8-10, cho php chuyn ha c etyl benzen ty thuc volng hydrocacbon ny c trong hnhp ban u

Xc tc cho qu trnh l Pt/SiO2-Al2O3 hoc Al2O3 c

hot habi halogen hochpchtcha halogen Qu trnh c tin hnh trong khong nhit t 300-

5000C (thng l 400-4800C) v p sutt 1-3 MPa


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V tr trong t hp sn xut Ar


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S cng ngh

Hnh 10: S cng ngh UOP Isomar


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KT LUN Thct trn thgii cng nghsnxut cc hpcht

thm ngy cng hini v dnt tihiuxut tia. Ngnh cng nghip sn xut ny l ngnh cngnghip mang linhiu linhunvi nhu cu tiu th

hng nm lun tng. Cc snphm sn xut t hpcht thm ngy cng c nhiungdngrng ri trongmimtisng x hi.

ViVit Nam th y l ngnh giu timnng pht

trin.


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40

Cmn c v ccbnlng nghe


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Ti liu tham kho [1] Phm Thanh Huyn, Nguyn Hng Lin. Cng

ngh tng hp Hu c Ha du

[2] Willey-VCH. ULLMANN'S Encyclopedia ofIndustrial Chemistry

[3] Robert Meyers. Handbook of Petroleum RefiningProcess

[4] http://www.uop.com/processing-solutions/refining/gasoline/#naphtha-reforming


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Phn Ph Ch Tch para xylenebngphng php kt tinh

Trc khi c phng php Parex, y l phngphp c dngphbinsnxut para xylen thngmi c tinh khit ln ti 95%, tuy nhin hin nay

phng php ny ch ch yu s dng cho x l phnsnphmlngca qu trnh cc ha than .


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c tnh tan chy/kt tinh cahnhp xylen

Hnh 11: Bngc tnh tan chycahnhp xylen [2]

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UOP Aromatics Complex