Nghiên cứu pha chế chât phân tán dầu từ các hóa chất hoạt động bề mặt tổng hợp phù hợp với các đặc trưng của dầu thô việt nam

HOA - CHE BIEN DAU KHI J NGHIEN CQU PHA CHE CHAT PHAN TAN DAU TQ C A C HOA CHAT HOAT O O N G BE MAT T N G HOP PHU HOP VOI OAC TRUNG CUA DAU THO VIET NAM TS Pham Thi Le Na', TS Vu Cong Thang^ ThS Nguyin Minh Khoa' ThS Nguyen PhUcAig Thio',TS Nguyin Anh Dilc',TS Ik XuinQaP KS.Tran Hong Phong" ' Vien Dau Viet Nam 'Bai hoc Dau ViitNam ^Dgi hoc Bdch khoaTp Ho Chi Minh 'lien doanh Viet-Nga "Vietsovpetro" Email: naptl.cp5e@vpi.pvn.vn Tdm tat Ddu tho Viet Nam cd hdm lugng paraffin rdn vd nhiit dp ddng ddc khd cao nen mpt sd chdt phdn tdn thuang mai dang siidung tgi Viit Nam chUa that suhiiuqudtrongxdiy ddu trdn.Bdibdogid^ thiiu nghiin ciiu pha chichatphan tdn ddu tit cdc chdt hogt dpng bi mat biin cho hiiu qud phdn tdn cao han cdc chdt phdn tdn thuang mgi hiin cd (tdi thiiu dgt 40%) doi vdi ddu tho cda VietNam (dgi dien Id ddu thd khai thdc tdmd Bgch Ho, Dgi HCing, TrUaoigSanSdng Ddc), dSng thdi thdn thiin vdi mdi trUdng Nhdm tdc gid cung ddnh gid sabp vi hiiu qud kinh ticda chdt phan tdn pha chedugc dibudc ddu co casd sdn xudt vdi sd lugng Idn phuc vu cdng tdc i^gphd sued trdn ddu cda Tap doan Ddu Viet Nam ndi chung vd cdc nhd thdu hogt dpng ddu ndi rieng Tdkhda: Chdt hogt ddng be mat, chdt phdn tdn, iing phd sUco tran dau Gidi thieu Sued tran dau gay t h i i t hai nghiim trpng vekinh t e xa hdi, trd mdi de dpa ddi vdi mdi trUdng noi ehung va cic he smh thai ndi rieng Dau tran lam thay doi tfnh chat ly hda eda moi trudng nUde, tang dp nhdt, giam ndng dp oxy hi'p thu vao nUde dan d i n t h i i t hai nghiem trpng v l sinh v i t biln, die biet la eac ran san hd va cac loai sinh vat nhay elm vdi su thieu oxy Do vay, viec giam thieu d nhiem mdi trUdng sU ed tran dau la mdi quan tam Idn mang tinh toan eau Chat phin t i n ed phin ehu yeu gom cac ehat boat dgng be mat, dung mdi va ehat on djnh Moi phan ddc hai doi vdi nhilu sinh vat Tham sd quan nhat eua chat hoat dong be mat la hesdean bang Ua nUdc-ifa dau (HLB) Cac chat hoat ddng b l mat ed the dung lam chat phan tan can ed HLB t d - 1 Nhieu chat hoat d6ng b l mat duac phdi hop vdi theo ty le nhat dinh d l tao chat phan t i n ed HLB mong mudn cd hieu qui cho mot nhom ddi tUpng dau, sin pham dau nhat djnh Cac dung mdi tieu bieu gom p h i n doan ehung eat diu nhe, dau hda, ethylene glycol, dlpropylene glycol mcnobutyl ether, nude bien Cac CO sd dng phd sUcd tran dau va eae nha thIu hoat dgng dau khf tai Viit Nam eung dy triJ mpt lugng chat td eda chat hoat ddng b l mat cd dau Ua nude (bi cac phan tan dau n h i t djnh.Tuy nhiin, mgt sd chat phan tSn phin td nude hut) va dau ky nude (vda day nUde vda dau dang dugccho phep sddyng tai Viet Nam ed hiiu qua hdt diu) Khi phun chat phan t i n len dau t r i n , dung mdi phan tan khong eac ddi vdi mpt so loai d i u thd Viet Nam, gidp chat hoat dpng b l mat tham nhap vao dau Khi d dac b i i t ta vdi dau tho Bach Hd - loai dau cd trd IdOng Ii3n dau, chat hoat dong be mat di ehuyen den nai ma nhat va cd ham luong paraffin Idn, nhiet dd dong dac eao d i u gap nudc va djnh hUdng tai giao dien eua dau - nudc (33 - 34°C) Chat phan tan dUOe dung nhieu nhit d Viet lam gilm sde cing b l mat gida dau va nUde, giup cho Nam la Superdispersant 25 {SD-25) va Seagreen 805 cho dau CO t h i phan tan vao nude dUdi dang eac hat hieu qua phan tan 30 - % ddi vdi dau Bach Hd - Rdng nhu tuang Cic chat boat dpng b l mat anion hay khdng Hliu qua phan tan cda SD-25 ddi vdi dau Chim Sio chi ion hay dUOc dung lam chat phan tan, tieu bieu nhU: eae dat 7% (bang phUOng phap binh lac), dd theo ester cua cae acid beo, eda sorbitan, cie mudi cua aeid t i i u chuan eda Cue Blo ve Moi trudng Hoa Ky (EPA) de e6 sulfosueeinic Cic chat hoat ddng be mat cation khdng danh sach siJdyng de dng cdu sU cd t r i n dau, hieu duge sd dung thudng ehda cac muoi amoni bae vdn qua phan tan p h l i dat tdi thilu 45% 40 DAU KHl SO 3/2015 PETROVIETNAM ^e tai nghiin edu cap Nginh "Nghien cdu pha chi chdt phan tdn ddu tU cdc hda chdt hogt dpng be mat tong hgp phu hap vdi ddc trung dau thd Viet Nam" dugc Viin Dau khiViet Nam thyc h i i n vdi myc tieu n h i m tao chat p h i n t i n dau co hieu q u i phan tan eao han cie chat phan Bai toan tdi uu dupe giai theo eae bude sau: -t- Tiln hanh mgt sd thi nghiem t h i m dd nham xlc dinh mien gia trj cua eae bien theo t i i u ehi eho hiiu qua phan t i n dau eao; tan thuong mai dang sd dung tai Viet Nam va t h i n t h i i n + Xie djnh phuong trinh hdi quy theo quy hoaeh ma vdi moi trudng, phu hpp vdi dac trUng dau tho Viet Nam, t r l n yeu t d t o i n phan bang phan m i m thdng ke viet bang gdp phan nang cao hiiu qua edng t i e u'ng phd sU ed tran ngonngdMatiab; dau cda Tap doan Dau Qudc gia Viit Nam + Thu hep vung khio sit eda eae yeu td de thyc hiin quy hoaeh tdi Uu hda theo phuong I n quay bae eua Box ThUc nghiem - Hunter bing phin mem thdng k i v i l t bing ngdn ngy 2.1 Hda chdt, thiet bi Matlab; Tween 80, Span 80,Tvi/een 85, AOT-75; + Sddung phan mem Stafist/ca 70 d i v i mat tdi Uuva Propylene glycol (PG), dlpropylene glycol mcnobutyl ether (DPGMBE), kerosene, cyclohexane; Nude bien, sodium dichloromethane (DCM); sulphate xie dinh t h i n h phan cua he tdi Uu Phuang phdp nghiin ciiu thUc nghiem: (Na^SO^), + Phuong p h i p xie djnh hiiu qua phan tan dau: Dau tho Bach Hd,Dai Hung,Trudng Son - Sdng Ddc vao binh thd nghiim, them d i u l i n b l mat nude bien sd dung phuong phap binh lie cda EPA Cho nude bien b i n g xilanh sau dung micropipet eho chat phan tan Thiet bi xie djnh hiiu q u i phan t i n dau: May lie vdi tdc dp - 300 vdng/phut; d i u t r i n b l mat dau, lie 10 phut Sau dd, de yen mau 10 phut, hdng bd 2ml nude dau, lay 30ml t i l p Binh tam giie ed vdi 250mt, binh dmh mdc 50ml, theo de chilt vdi dichloromethane, hdng phan chiet, djnh dng dong 50ml, micropipet 10-1 OOyl, pheu ehiet, xi lanh mde den 25ml Do hap thy t r i n may UV d bude sdng M i y UV-Vis 2.2 Phutmg phdp nghiin cdu 340nm, 370nm, 400nm, xae djnh lugng dau phan tan vao nude va tinh toan hiiu q u i phan t i n -1- Phuong phap thCf nghiem dde tren au trung torn PhUdng phdp thu thdp, tong hgp tdi lieu: Tdng hap sd: Sinh vat thd nghiem dugc tiep xue vdi mdi trudng ed tai lieu, thu thap thdng tin ve c h i t phan tan sd dung d Viet eac ndng chat phan tan khae Ddng thdi, thuc Nam v l t r i n t h i gidi de biet dUgc t^ l i va vai trd cua elc hiin mpt mau ddi ehdng (khdng ehda chat thd nghiim) p h i n co ehat phan t i n Tdng hgp eae nghien de so sinh, sue nhe va khong eho an thdi gian cdu lien quan d i n dac trUng eua dau thd Viet Nam de biet thd nghiim Xae djnh sd sinh vat sdng sdt sau mdi 24 gid duac sU khac biet gida d i u thd Viet Nam va dau thd the cho d i n k i t thde thi nghiim (96 gid) DUa tren cac sd gidi, t d ed hudng cii t h i i n hieu q u i phan tan bang lieu thu dugc td thd nghiem, tinh toan t^y" te dc ehe d cie each thay ddi ndng dp cie chit phin hay thay ndng dd thd nghiim va eae gia trj LC,,, 96 gid Sd dung ddi dung mdi ehuang trinh "BioStat 2008" de tinh t o i n cic g i l tri LC^^^ khoing tin cay va ve thi mdi tUong quan gida ndng Phuang phdp quy hogch, toi Uu hda thuc nghiem dp ddc ehat va ty le ye che theo phin tich hdi quy Dp tin bang md phdng thong ki: eay 95% cda LC^^ dupe xae djnh bang phuong phap kilm SCfdung phUOng phap tdi Uu hda thdng k i dya tren quy hoach ma t r l n nhilu yeu td de rim kiem h i ehat hoat ddng b l mat cho hiiu q u i p h i n t i n cao ddi vdi mau dau tho Thinh phan t h i tieh cda cie chat hoat ddng be mat duac xem nhy la elc bien thuc nghiim va ham muc t i i u se I I g i i trj hieu q u i phin t i n dau eCia hdn hop chat hoat dpng be mat.Thinh phin tdi Uu cda he chat hoat dpng be mat dugc xae djnh h i m mye t i i u hiiu qua p h i n t i n dat g i l tri eye dai tra sd du Ket quS nghien cutJ va thio luan 3.1 Tdi uu hda hi chdt hogt dpng be mat cho cdc mdu ddu thd b^ng quy hoach thyc nghiem 3.1.1 Tdi ifu hda he chdt hogt dpng be mat cho dau Bgch Ho H i chat hoat dpng b l mat gdm ed {AOT, Span 80, Tween 80, Tween 85) DUa t r i n l i i u ehi v l hieu q u i phan HOA - CHE BIEN D A U KHI tan eao tien hinh mot sd thi nghiem tham dd ty l i hdn hgp eae ehat hoat dpng be mat, ed djnh ty le AOT : Span 80 = :4 D l don gian, trcng h i ehat boat dpng be mat Chpn cae khoang g i i trj cua biln thye nghiim tai mien ddng: Zl = 55 - 45ml; Z2 = 15 - 25ml; Z3 = 25 - 35ml (AOT, Span 80,Tvtfeen 80, Tween 85), AOTva Span 80 dUOe gdp lai mdt nhdm d l t i l n hanh khic sat bai toan tdi Uu yeu td (3 elu td) theo hai mde Gia trj canh tay ddn va cae phan phdi trdn deu chuang trinh tinh t o i n va dUa Bang Ma trdn ma hoa cua qud Irinh phoi trgn he didthoal dgng be mdt danhchodai Thi nghiem theo quy hoach ma tran yeu t o toan phan Ihd Badi Hd theo phuong phap yeu to toon phdn D l thuc hien quy hoach can ft nhat 2^^ thi nghiem X3 eda ma tran yeu td toan phan v i t h i nghiim d tam Hieu qua phan tan (%) = Y 45,9 Thue hien 11 thi nghiem vdi cic t h i tich khac eua 37,7 cic chat hoat dpng b l mat, xae djnh hieu qua phan tan 46,2 eda hdn hgp chat boat dpng be mat bang phuong p h i p 38,1 binh lae Yeu td Z2 la the tieh cua Tween 80; Ylu td Z3 la the tieh cda Tween 85; Moi y l u td Z bien t h i i n theo mdc (mdc t r i n va mdc dudi) Sau ma hda b i l n thye nghiem Z biln ma Xthimyctrinla-Hl,mycdUdila-l Ma t r l n ma hoa va eae gia trj thye nghiim eda qua trinh phdi trpn h i chat hoat ddng be mat theo phUdng p h i p y l u td tcan phan dUOc tdm tat nhU sau: Tien hanh tdi Uu hda h i chat boat dpng be mat tren phin m i m thdng k i viet bang ngdn ngd Matlab va ket q u i eua quy hoaeh tuyen tinh theo ma tran toan phin y l u td mdc cho phuang trinh: Y = lil,9625 - 2.1875Z^ + 2.42252^- 3.5275Z^0.0075 Z^Z, + 0.1015 ZjZ^- 0,0805 Z^^ Phuong trinh dUpc tU ddng kilm tra la tUong thieh vdi thyc nghiem (theo chuan Fisher) Nhu vay, vdi quy hoaeh ma tran yeu td toan phan da kiem ehdng ket q u i thuc nghiem tUOng thieh vdi phuong trinh ly thuylt vung khao sat duoc chpn ban dau.Ty do, ed the thu hep vung khio sat eda cie yeu td de thye hiin quy hoach tdi uu hda theo phuong an quay bac cua Box-Hunter Thi nghiem theo quy hoach toi lAi hoa theo phyong an quay bac cua Box- Hunter Nhdm t i e gia tiep tuc thye hiin 20 thi nghiem khac (Bing 3) theo phuong an quay (diy thi nghiem ma t r l n yeu td t o i n phin gdm thf nghiem; day thi nghiim ma t r l n d d n h tay ddn gdm thi nghiim; day thi nghiem ma t r l n d tam phuong an gdm thi nghiem) 42 Dio nN-86 3^15 43,8 + + -1- o Ylu td ZI la t h i tich cua hdn hgp {AOT: Span - : } ; + 46,6 46,3 46,5 36,9 38,1 46,7 Bdng Bieu kien thi nghiem cho qua trinh ldi Uu hoa 'ic MLfctren(+1) MUc CO sd (0) MUc dudi (-1) Khoang bien thien Cac yeu to anh hudng AOT + Span Tween SO Tween 81 80 (ml) (ml) lm\l 35 30 Bang Ket qua thinghim hoat dong be mdt toi mi vdi i au thd Bach Ho XI X2 X3 + Hieu qu^ philn tan (%)=Y + i -1- + + + i ' + - -1- i -1- -1- : -1- ] - • - - i - -cc +a 11 12 13 14 15 43,6 42,7 44,5 10 41,3 42,9 45/4 -1- i 41,8 - 40,5 0 4^7 0 44,1 -a 40,2 ' +a 43,4 -a 42,8 +a 43,1 ^ 0 46,3 J i 16 0 0 46,2 T 17 0 46,4 m^ 18 0 46,3 " W 19 0 AMIMM 20 0 463 H : > PETROVIETNAM Tien h i n h tdi uu hda he chat hoat dpng be mat tren phan mem thdng k i v i l t bang ngon ngd Matlab va ket qua cua quy hoaeh tdi Uu hda theo phuong an quay bac cua Box - Hunter cho phuong trinh; (1) Phuang trinh dugc tu ddng kiem tra la tuang thich vdi thye nghiim Chuyin phuong trinh he biln ma hda v l phUOng trinh h i bien thye nghiim vdi cdng thdc lien he gida b i l n ma hda va bien thuc nghiem: Z-Z" (2) AZ, z™• + z,»" Trong do: AZ, zf' " - Z["'» Sd dung phan mem Statistiea de ve mat tdi Uu (Hinh 1) Phan mem Statistiea chc k i t q u i v l he tdi uu y = 6^058 + 0^822 x, + 0,6650 x ; - 0,3511 X3 - 1,0375 X j x ^ 0,3625 x , x j - 0,5375 X2X3- 0,9596x? - 1,5251 x^ - 1,1186 xj Xay dUng be mat toi Uu tuong thich vdi ket qua tinh toan t r i n 3.1.2 Toi Uu hda he chat hogt ddng be mat cho dau tho Dgi Hung Tien hanh tuong t u cac budc quy hoach thuc nghiem ddi vdi dau tho Dai Hung Phuang trinh hdi quy thu dupe cho h i chat hoat dpng be mat cua dau thd Dai Hung nhU sau: y - - 187,3263 + 5,5560 Zi + 5,2209 Z2 + (3) 3,7073 Z3 - 0,0390 ZiZ; - 0,0210 ZjZ, 0,0130 Z2Z3 - 0,0399 Zf - 0,0689 2^ - 0,0435 ^ (4) Thay eac gia trj ma hda vao, t d phuong trinh (1) tim duge phuong trinh theo bien thye Z: y - - , + 5,1598 Z| + 5,2932Z2+3,7695Z3-0,0415Z,Zj0,0145 Z1Z3- 0,0215 Z2Z3-0,0384 Zf - 0,0610 Z^ - 0,0447 Z| Phuong trinh hdi quy t h i hien mdc dp tUong tac gda eae phan chat phan tan cho thay, AOT la ehat hoat ddng be mat ddng vai trd quan trpng doi vdi k h i nang phin tan cda chat phan t i n ddi vdi dau thd Dai Hung he sd trUde Zl phuong trinh hdi quy eao so vdi eie he sd edn lai Phin m i m thdng ke cho gia trj cUc trj cda hieu qua p h i n tan la Y = 46,43% tai: Z, = 50,30ml, Z2 = 21,18ml; Z, - 28,88ml Ket qua tinh toan tUOng thich vdi thUc nghiim t i l n hanh them mdt sd thi nghiem de kilm tra NhUvly, ty l i he chit hoat ddng be mat tdi Uu ddi vdi dau thd Bach Hd dUOc t h i h i i n Bang Hiiu q u i phin tan tdi Uu tai cac g i i tri: Z, 52,51 ml; Z^ - 20,49ml; Z, - 26,91 ml Hieu qua phan t i n tdi uu dat 61,89% T^ l i h i chat hoat ddng b l mat tdi Uu cho dau thd Dai Hung dugc the hien Bing 3.1.3 Toi Uu hoa he chdt hoat dong be mat cho ddu tho Trudng San - Sdng Doc Phuong trinh hdi quy eho thay sutuong t i c gida eac chat hoat ddng b l mat va vai trd eda tdng chat hoat ddng b l mat vdi hieu q u i p h i n t i n Ddi vdi dau thd Bach Hd, dau nhdm paraffin thi AOT va Tween 80 ddng vai trd ehd dao qua trinh phan tan dau Cac bude quy hoaeh thye nghiem dugc t i l n hanh tUOng t u nhu ddi vdi dau thd Bach Hd y 136,4238+3,5433 Z, + 6,7855 Z2+1,2685Z30,0960 ZiZ,+ 0,0250Z|Z3+ 0,0250 Z ^ Z j 0,0133 Z f - 0,0529Z^-0,0628 Z^ Phuong trinh hdi quy thu dupe eho he chat hoat dpng b l mat cda dauTrudng Son - Sdng Dde nhUsau: Phuong trinh hdi quy eho thay, ddi vdi d i u thd TrUdng Sdn - Song Doc la dau thupc nhdm dau trung gian paraffin-naphtha thi mdi tuong quan gida cac phan chat phan tan, chat hoat ddng be matTween 80 cd vai trd chd dao qua trinh phan tan dau Hiiu qua phan tan eUe dai tai eae gia trj: Zl - Hinh Bi mat tffi ilu cda hi dial hogt ddng bi mdt ddnh dio dau M Bgch Ho 42,26ml; Z3 = 31,66ml; Z2 - 24,81 mt; HQPT_ = 61,60% DaUKHl-S03/2015 43 HOA - CHE BIEN DAU KHI Ty' le he ehat hoat ddng b l mat tdi Uu cho d i u thd Trudng San - Song Dde dupe the hien Bang 3.2 Xdc dinh dung mdi phu hgp, ndng dp dung Vdi Z, = T h i tfeh he hoat ddng b l mat, khoing bien thien 70-80m 1; Zj =The tich Kerosene, khoing bien thien - 10mt; mdi vd chdt on dinh tdi uu Zj=The tich Cyclohexane, khoing bien thien - 10ml; Z^ = T h l tich he (DPGMBE: PG), khoing bien thiin -15ml; Dung moi v l chat dn djnh dUgc lya chpn gdm: Kerosene; Cyclohexane; Propylene glycol (PG), Dlpropylene glycol mcnobutyl ether (DPGMBE) Nhdm tae gia da tien hanh mdt sd thi nghiim t h i m dd de xae djnh khoang ndng dd tdi Uu cua cic Phuang trinh hdi quy ve mdi l i i n he giiia thinh phan ehat phan t i n vdi h i i u qua phan tan danh cho dau tho Bach Hd thu duac nhUsau: y = , 0 - 0,8712 Z, - 2,5025 ^ - 2,9225 Zj - 0,2925 Z,+ ehat nhU: 0,0475 ZjZ, + 0,0255 Z, Z, + 0,0018Z|Zi - 1,6061 Z.Z, - Xae djnh hiiu q u i phin t i n cua he chat hoat 0,0795 Z , Z , + 0,0605 ZjZ, dpng b l mat vdi Kerosene; Td k i t qua tfnh toan eua phan m i m t o i n hgc, hieu qui phan Xae djnh hieu qua phan tan eua he ehat hoat ddng b l mat vdi Cyclohexane; tan dat gia tri Idn nhat la 47,80% Xae djnh hieu qua phan t i n cda h i chat hoat ddng b l m i t vdi DPGMBE; d i u tho Bach Ho dUoc t h i hiin Bing Xae djnh hiiu q u i phin t i n cda h i chit hoat dgng b l mat vdi DPGMBE, PG; Ty l i tdi uu cda cic c h i t t h i n h phan chat phin t i n cho 3.2.2 Tdi Uu thdnh phdn chdt phan Xie dinh hieu q u i p h i n t i n cua h i chit hoat TT Xie dmh hieu qua phin t i n cua h i chat hoat dgng b l mat vdi Kerosene, cyclohexane, DPGMBE Loai dau thd Bach Ho Oai Hiing Tru'dng Son Song Boc Kit q u i cae thi nghiim t h i m cho thay khoing biln t h i i n v l ty le eda eie chat nhu sau: Cyclohexane (5-10%); • Chit hoat ddng he mat: 70 - 80%; • Dung mdi, chat on djnh: Kerosene (5-10%); Cyclohexane (5-10%); PG, DPGMBE (5-15%) 3J Toi uu thdnh phdn chdt phdn tdn cho ddu thd Bgch Ho Bing the hiin k i t qua thye nghiem tdi yu thinh phan ehit phan t i n eho d i u thd Bach Hd 44 oiunrisd 3/2015 J^ le he chat hoat dong be mat toi Uu (%) AOT Span 80 Tween 80 Tween85^ 40,09 10,02 21,10 28.78_ 42,05 10,51 20,51 26,93_ 34,24 8,56 25,13 32,09 Bang Ket qua thi nghiem tim phdn toi i/u Sepha che chdt phdn tdn cho ddi Kerosene (5-10%); De xie djnh phin tdi uu eua ehat phin t i n , nhom tie g i l sd dung phuang phap tdi Uu hda bing quy hoach thUc nghiem tUong ty nhutrin, xiy dyng phuong trinh hoi quy cho h i : Hung Bdng Tyle he chat hoot ddng be mat loi Uu cho mdt so loai ddu Ihd Viel Nam dgng b l m i t vdi Kerosene, cyclohexane; PG, DPGMBE (5 -15%), t^ l i cie chat h i tdi lai DPGMBE : PG = 2:1 tan cho ddu thd Dgi Phuong trinh hdi quy cho dau thd Dai Hung: TT Zl Z2 Z3 Z4 j \ 43,4 + -1- + + + 10 '1 12 13 14 15 16 17 18 19 20 Hieu qui phan tln(%)=Y + + + + + + + -f -1+ 0 0 + + 0 0 ' 38,1_ i ! + + 46,7 41,9 42,3 -1- + 39,1 46,3 + + + 44,3 + 38,7 38,6 39,8 37,5 37,2 _ + + 0 0 + 39,1^_ 47,2 0 47,7 _ _ 47,5 47,3 PETROVIETNAM Bdng Tyle toi uu cua cdc chdt thdnh f^an didtphdn tdn cho mgt sdloot dau tho M Nam T^litoiUUcicch tta-ong pha n chat phan tin(%) Chit hoat donq hAJ ;' be mat 70,49 73,56 73,44 Loai d j u thd Bach Hd Dai Hung TrUdng San - Song Doc Kerosene Cyclohexane DPGMBE PG 8,83 7,05 5.20 9,27 8,87 11,41 7,61 3,80 y = 138,5000-0,9250 , - , 0 - , 1 0 Z 0,2750 Z4 + 0,0700 Z,Z3+ 0,0210 Z j Z j - 0,0020 , ^ 0,0860 2 Z - 0,0540 Z2Z4+ 0,0630 ZjZ^ Ymax ( H Q P T ^ J = 67,33% T;^ l i tdi Uu eae c h i t t h i n h phan chat p h i n t i n cho d i u thd Dai Hdng dUpe the h i i n Bing 3.2.3 Toi Uu San - Sdng phdn chdt phdn tdn cho dau thd TrUdng Ddc 7,02 3,51 6,63 3,31 d i u thd Bach Hd tai nhiet dp moi trudng SO^C, tde dp lac 200 vong/phdt Kit q u i khao sit (Hinh 2) chc thay hieu q u i p h i n tan tang tang ty l i chat phin tan/dau Tuy nhien, tang t^ l i t d 1/20 len 1/10, hiiu q u i phan t i n t i n g nhung khong dang k l Do do, de dam bao an toan cho moi trUOng sinh thai biln n i n sd dung ty le phun chat phan tan/dau l i 1/20 3.3.2 Khao sdt anh hUdng cda tdc dp Idcdin P h u o n g t r i n h hdi q u y t h u c h o d a u t h o TrUdng Son Sdng Ddc: y = 194,6738-1,5975 Z, - 1,7820 Z - 6,7225 Z , 4,0762 Z4+ 0,0190 Z1Z2+ 0,0700 ZiZ3 + 0,0525 Z1Z4 + 0,1080 Z j Z j - 0,1050 Z2Z4+0,0275 Z3Z4 hieu qua phan tdn Cic tde lae khae cda may lac dupc thiet l i p de khao sat i n h hudng eua nang luang khuay trdn l i n hiiu q u i phan tan dau Nang luong khuay tron eao lam tde p h i vd cic gipt dau tang, do lam tang hiiu q u i p h i n tan (Hinh 3) 3.3.3 Khdo sdt dnh hudng Y^^^(HQPT^^)= 6 , % : cua nhiet den hieu qud phdn tan Ty le tdi Uu cic chit phan ehat phan t i n Oe khao sat I n h hudng cda nhiit den hieu q u i cho dau thd Trudng Son - Sdng Ddc dugc the hien p h i n t i n , nhom tae gia da t i l n hanh cic t h d nghiem Bing 3.3 Anh hudng nhiet cda t^ li chdt phdn dp moi trUdng lin hiiu tdn/ddu, qud phdn tdc dp Idc, tdn Dau thd Bach Hd dugc lya chon de khio sat i n h hudng eda cic y l u t d l i n hiiu q u i phan t i n 3.3.1 Khdo sdt dnh hieu qua phdn hudng cOa ty le chdt phdn tdn/dau lin tdn Thd nghiem d l khio sit i n h hudng cda ty le chat phan tin/dau ten hieu q u i p h i n t i n dugc thuc hien vdi ^m Hinh Anh hudng cua ty le chdt phdn tdn/ddu len hieu qud phan ta 60 vong/phut 150v6ng/phut 250 uong/phOt Hinh Anh hudng cua tdc Idc den hieu qud phan lan 2SK; 30°C 35°C Hinh Anh hudng cua nhiei den hieu qud phdn tan lUIIHl'SO3/2015 45 I HOA - CHE BIEN DAU KHI vdi d i u thd Bach Ho d mdc n h i i t dp: 25°C, 30°C, LC50(ppm) Ntt6mE 35''C, ty le chat p h i n t i n / d a u la 1/20, tde dp lae200 vong/phdt Nh6mD g 100 - U w i S ? 13,80 11,59 30,08 Nh6mC 3.4 Khdo sdt dp dpc cdp tinh cua chdt phdn tdn pha chidugc NhdmB Lua chpn chat phan tan eho hiiu q u i tdi Uu nhSt vdi dau thd Baeh Hd vdi phan dugc xae ^nh ttJ quy hoach thuc nghiem d t r i n va tien hinh xlc djnti dde cap tinh t r i n au trung tdm sd t r i n pha nudc ffifl/i Ket qud thd nghiim doc cua mdt sd chat phdn tdn Td k i t q u i ghi nhan dugc chat phan tan pha che dugc eung nhu SD-25 thuoe nhdm C - nhom co dde trung binh theo thang phan loai eua OCNS.Trong dd thd t u dd dpc dugc sap x I p tang d i n nhu sau: CPTI