Tiiu ban: Moi tru&ng vd Ndng lugng ISBN: 978-604-913-013-7 XtT LY NHIEM MOI TRlTOfNG MO HINH HOA QUA TRINH THIET BI CONG NGHE MOI TRlTONG VA MOT SO KET QUA ITNG DUNG Nguyin Xuan Nguyen, Pham H6ng Hai Vien Hoa hoc cac Hop chk thien nhien 18 - Hoang Qu6c Viet, CSu Giiy, Ha Noi E mail: hai.inpc(S)vahoo.com Tom tat: Vdi su phdt triin mgnh me cua ky thuat tinh todn, phuong phdp md hinh hod todn hpc da duac triin khai dp dung rdng rai cho cdc qud trinh cdng nghi hod hpc, hod sinh, thuc phdm a quy md cdng nghiep phuc vu cho viec tdi uu hod vd diiu khiin qud trinh Nhung ndm gdn day phucmg phdp ndy ducfc ung dung cho cdc qud trinh cdng nghi mdi truang vd buoc ddu nhdn duac nhimg kit qud khd quan Bdo cao trinh bdy mdt sd vdn di ca bdn ciia phuong phdp md hinh hod cdc qud trinh thiit bi cdng nghi mdi truang tie quan diim cua nguyen ly phdn tich hi thdng, mdt sd kit qud van dung cho qud trinh xie ly nude thdi, dgc bid Id dp dung cho viec tinh todn, thiit ki xdy dung cdc cdng trinh xic ly nude thdi binh vien theo cdc md hinh cdng nghi mdi V-69 vd CN-2000 Trin ca cd khodng 150 trgm xic ly nude thdi binh vien vdi nhiing cdng sudt khdc (tir 200 din 1000 m /ngd) da duac triin khai phgm vi cd mcdc Abstact: Based on the rapid development of calculation enginering, the method of mathematical modeling is widely developing and applicating for the processes of chemical, biochemical and food- stuff industry In later years, this method is developing and using in environmental technology and received good results This paper deals with some aspects of modelling ofprocesses and apparatuses of environmental technology from the system aproarch, some results of application in wastewater treatment have been demonstrated Especially, it has shown to the calculation, designing of hospital wastewater treatment by the new technology modules named V- 69 and CN-2000 About 150 hospital wastewater treatment plants with the capacity from 200 to 1000 m^ per day were built in different provinces of Vietnam PHI/ONG PHAP MO HINH HOA TOAN HOC Md hinh hod todn hpc dugc sir dung rong rai viec nghien cuu, thiet kk va xay dung cac he thong cong nghe boa hoc, sinh hoc va moi truong He thdng a day bao g6m ban than qua trinh cong nghe, cac thiet bi de tien hanh qua trinh va cac phuang tien dk quan sat, di^u khien qua trinh va ca nhiing moi lien he giira chung 144 Hgi nghi Khoa hgc ky niem 35 ndm Vien Khoa hgc vd Cong nghe Viet Nam - Hd Noi 10/2010 Nguyen ly phdn tich hi thdng la chi§n luge nghien cuu cac he phuc tap (cac qua trinh cong nghe boa hgc va cong nghe moi truong) bang each: - Sir dung phuang phap mo hinh boa toan hoc - Phan he phuc tap (he Ion) nhimg he don gian hon (cac he con) Ket qua la mo hinh toan cua he lan dugc xay dung theo nguyen tac khoi: mo hinh tong the chia cac khoi, ma cac kh6i co mo ta toan hgcriengvod nhirng lien ket giira chung [ 1,2] Ve md hinh tbi theo vien si Stoff: "Md hinh la mdt ddi tupng dupe mdt chu thi ndo dd tren ca sd cua sic ddng dgng vi cdu triic vd chiee ndng diing thay thi cho mdt nguyin bdn tuong img di gidi quyit mdt nhiem vu nhdt dinh " "Mdt hinh todn la biiu diin todn hpc nhieng mat chii yiu ciia mdt ddi tupng Theo mdt nhiem vu ndo dd, phgm VI gidi hgn, vdi mot dd chinh xdc vira dii vd a mdt dgng thich hap cho su van dung " Dieu CO nghla la mo hinh toan gin voi mgt nguyen ban nhat dinh voi dieu kien kem theo: - Chi mo ta nhiing mat chinh ma nguoi quan tam - Mo ta mgt pham vi giai han - Doi hoi chinh xac vira du chii khong doi hoi chinh xac cao nhat - Doi hoi kha nang van dung cua mo hinh da dugc lap dieu kien cu the [3-6] Mo binh boa toan hgc dugc thuc hien ba giai doan lien quan chat che voi nhau: 1) Xay dung mo hinh toan; 2) Lap chuong trinh bang mgt ngon ngir thuat toan de giai tim gia tri cua cac thong so; 3) Xac lap tinh tuong hgp cua mo hinh voi qua trinh thuc [1,3] Trong cac giai doan tren thi xay dung mo hinh toan la buoc he trgng nhat va tinh vi nhat O day doi hoi khong chi kien thirc toan hgc ma ca su hieu biet sau sac ban chat cua cac hien tugng can mo ta Viec nam vung cac phuang phap cua dieu khien hgc la co so de hieu ro nhiong nguyen tac xay dimg mo hinh toan cua cac qua trinh cong nghe hoa hgc va cong nghe moi truang Trong qua trinh mo hinh boa nguoi ta bat dau tir nghien ciru thuy dgng hgc, sau d6 nghien cuu dgng hgc cua cac phan ung, toe dp cua cac qua trinh truyen nhiet va chuyen khoi, dgng hgc chuyen pha a cac dieu kien gan voi dieu kien van hanh thiet bi va lap nhirng toan tir ham CO so tuong ung Tiep theo la hgp the hoa cac toan tir ham co so mgt toan tir ham ket qua chung tao nen mo hinh toan cua doi tugng, tiic qua trinh cong nghe Trong phan md td todn hpc xay dimg tren co so ban chat vat ly cua doi tugng mo hinh boa co the chia cac nhom phuong trinh sau: 1) Cac phuong trinh can bang vat chat va nang lugng dugc viet tren co so cau triic thuy dgng cua cac dong Nh6m phuang trinh dac trung cho sir phan bo cac dong cua nhiet do, phan va cua ca cac tinh chat lien quan den chiing vi du: khoi lugng rieng, nhat, nhiet dung 2) Cac phuang trinh cua cac qua trinh co so Thuoc nhom la mo ta cua cac qua trinh trao doi chat, trao doi nhiet, cac phan ling boa hgc 3) Cac he thiic ly thuyet, ban kinh nghiem va thuc nghiem giiia nhirng thong so khac cua qua trinh, vi du su phu thuoc cua he so chuyen khoi vao toe dong, su phu thuoc cua nhiet dung vao phan dung dich 145 Tiiu ban: Moi tru&ng vd Ndng lugng ISBN: 978-604-913-013-7 4) Cac rang huge len cac thong s6 ciia qua trinh, chinh xac ban la cac rang buoc ton tai khach quan tren khoang thay d6i cua mgt loat thong s6 ma ta can lim y mo hinh boa qua trinh Neu khong co hoac co rat it lugng thong tin ly thuylt ve doi tugng mo hinh boa, ma tham chi khong bilt dugc so bg dang nhung he thiic mo ta cac tinh chat cua doi tugng thi cac phuong trinh cua mo ta toan hgc co the bieu dien a dang mgt he cac quan he thuc nghiem nhan dugc tren co so khao sat th6ng ke d6i tugng thuc Nhung mo hinh thuong ggi la mo hinh thong ke, chiing co dang cua nhirng he thiic tuong quan va hoi quy giira cac bien vao va bien cua qua trinh Khac vai mo hinh thong ke, nhiing mo hinh toan dugc xay dimg co tinh tai nhirng quy luat CO ban cua qua trinh cong nghe xay doi tugng mo hinh boa, phan anb chinh xac hon ve chat ke ca truang hgp thieu nhiing quan he khong du chinh xac ve lugng giira cac thong so cua mo hinh Do vay co the sir dung nhung mo hinh toan de nghien ciiu cac tinh chat chung cua doi tugng mo hinh boa thuoc mgt nhom nhat dinh Khi chpn md hinh can phai luu y: - Mo hinh phai phan anh tuong doi day du tinh chat cua cac dong vat chat va nang lugng bang mgt mo ta toan hgc tuong doi don gian - Cac thong so cua mo hinh co the xac dinh dugc bang thuc nghiem hay bang mgt phuong phap khac - Trong truang hgp cac he di the thi mo hinh dugc chgn cho timg pha rieng biet, hon niia d6i voi hai pha chiing co the nhu hoac khac Khi xay dung mo hinh toan thi cac phuang trinh a nhiing dang khac dugc sir dung nhu: cac phuang trinh dai so, cac phuong trinh vi phan thuong, cac phuang trinh vi phan dao ham rieng Nhu vay, phuong phap mo hinh boa toan hgc - phuang phap co ban cua dieu khien hoc, c6 the dugc ap dung de nghien ciiu cac qua trinh cong nghe boa hgc ciing nhu moi truang mot each hieu qua KET QUA VA LTNG DUNG Trong qua trinh tham gia Chuong trinh Nuoc sach va Ve sinh moi truong Qu6c gia tir nhieu nam Lien hiep KHSX Cong nghe boa hgc (UCE) thuoc Vien Hoa hgc cac Hgp chit thien nhien va Trung tam Tu van Chuyen giao cong nghe Nuac sach va Moi truang (CTC) thuoc Ban chi dao Quoc gia ve cung cap nuoc sach va ve sinh moi truang (truoc day) da tiln hanh nhieu de tai nghien ciru va trien khai ling dung cong nghe mai xir ly nuoc, nuoc thai va nuoc rac Nhiing ket qua the hien a cac cong trinh da cong b6 [8-11] Rieng vl kit qua mo hinh boa qua trinh xir ly nuac thai va dac biet la nuac thai benh vien xin dugc trinh bay duoi day 2.1 Nguyen tac xay dmig mo hinh toan cua qua trinh xu" ly nu-dc thai Qua trinh xir ly nuac thai co the xem nhu mgt he thdng phiic tap Ap dung phuang phap phan tich he thing ta co the xem xet he thing phiic tap cSu tir nhiing khIi (hay he thing con) rieng biet, cho phep mo ta chiing rieng re sau kit hgp chiing lai vai Qua trinh xir ly nuac thai ciing gilng nhu cac qua trinh cong nghe hoa hgc vl ban chat la nhung qua trinh xac dinh - ngau nhien tiic la tin tai nhiing mli lien he nhdt dinh giiia cac 146 Hgi nghi Khoa hgc ky niem 35 nam Vien Khoa hgc vd Cong nghe Viet Nam - Hd Noi 10/2010 thong so boa ly dugc quyet dinh boi cac dinh luat co ban cua chuyen khoi, nang lugng va ca nhiing dieu kien khong In dinh va ngau nhien (phan bo cua cac phan tir dong vat chat va nang lugng theo thai gian) Tren hinh la cau triic cac khIi hinh nen nhimg qua trinh tieu bieu Moi khoi co mo ta toan hgc ciia minh va n6i chung qua trinh tieu bieu dugc mo ta bang mgt he phuong trinh xac dinh Viec xay dimg mo hinh toan bat ky nao deu bat dau tir viec thiet lap mo ta hinh thiic cua cac qua trinh xay doi tugng mo hinh boa Khi xay dung mo ta hinh thiic, nhu da noi a tren, ta sir dung nguyen ly khIi, theo thi mo ta toan hgc cua doi tugng ve tong the la tap hgp mo ta toan hpc cua nhiing qua trinh co so xay doi tugng mo hinh boa Dau tien nguoi ta khao sat mo hinh thuy dong cua qua trinh nhu la co so cua cau tnic mo ta toan hpc Tiep d6 nghien ciiu dong hgc truyen nhiet, dong hgc chuyen khoi va dgng bgc cac phan ung boa hgc co tinh toi cac dieu kien thuy dong cua mo hinh thuy dgng da khao sat truoc de thiet lap mo ta toan hgc cho timg qua trinh tieu bieu Cuoi ciing la viec ket hgp cac mo hinh lai vol de co mgt he phuong trinh (mo ta toan hgc) cua doi tugng mo hinh boa LTU diem cua viec ap dung nguyen ly khoi de xay dung mo binh toan la kha nang phan chia mgt qua trinh phiic tap nhung qua trinh rieng biet, don gian ban cho phep tim dugc mo ta toan hoc cua n6 Dong hoc hoa sinh va cac qua trinh sinh hpc Dong hoc khuyech tan Dong hoc khuyech tan Dong hoc hoa hoc Dong hoc khuyech tan Dong hoc ve nhiet Dong hoc ve nhiet Dong hoc ve nhiet Dong hoc ve nhiet Cac dinh luat ca ban ve chuyen dong Cau true cac dong Cau true thuy dong cua cac dong Cau tnic thuy dong cua cac dong Cau true thuy dong cua cac dong Cau true thuy dgng cua cac dong Cac qua trinh thuy dgng Cac qua trinh trao doi nhiet Cac qua trinh trao doi khoi Cac qua trinh boa bgc Cac qua trinh boa sinh Dong hoc hoa hoc Hinh 1: So dd khdi nguyin tdc cua cdc qud trinh tiiu biiu Trong phan cua mo ta toan hgc dugc thiet lap tren co so ban chat vat ly va boa hgc cua doi tugng mo hinh boa, co the chia bon nhom phuang trinh nhu da noi a muc 2.2 Mo hinh toan ciia thiet bj xu- ly nu-dc thai Mgt thiit bi xir ly nuoc thai (aeroten, biophin) theo quan diem ciia phan tich he thong dugc phan day nhimg modun rieng biet theo nhimg suy luan ve cong nghe va cau tnic Moi mgt modun dugc xem nhu la mgt thiet bi phan ung dgc lap ma dien qua trinh lam sach sinh hgc DSu tien mo hinh toan dugc xay dung de mo ta boat dgng chi cua mgt modun (ngan, hop) thiit bi Modun rieng biet la thiet bi cau tao tir hai phan (viing) chia boi vach ngan ciing mgt vung phia duoi chi co khong dugc cap vao Day gpi la viing thoi vao moi truang 147 ISBN: 978-604-913-013-7 Tieu ban: Moi tru&ng vd Ndng lugng phan ling C) vung khac xay qua trinh lam sach nhu sau: nha co vi sinh vat ca chat dugc sii dung va nong chat ban giam di Viing ggi la viing phan ling Mo hinh toan dugc xay dung tren co so phan mgt modun thiet bi phan ling sinh boa Tren Hinh the hien cau tnic dong don nguyen i cua thiet bi Hinh 2: Phdn bd ddng vd chdt d dan nguyin i x.^S s„ c, Nhu da noi a tren modun rieng biet ciu tao tir hai phSn: phan ling (I) va thong (II) Mo hinh toan tinh tai can bang vat lieu cua qua trinh theo su phat triln ciia vi sinh vat, sir dung co ch§t va oxy ciing nhu la chuyen khoi oxy tir pha vao pha long No co thi dugc vilt nhu sau: Vung phdn irng: R.X , LX (L + R)X " + V," (A-; K , + S, LS,_, + R,S, -{L + R,)S, - a , K , V „ K, +S, + x','- )= -{x:- +XP')=0 K, +S, -{x^ 0) +x:")=0 Viing thdng khi: GXr (L - G,Y," - Vi^ (KL'a)(C* - C;",) = + Ri)Ci - R,CA,i - LCAJ'" + Vi^(KL'a)(C* - C A / " ) = Trong do, I = 1, N - sl don nguyen cua thiit bi;CJ, - nIng xy a viing thong (kg/m ); Xj.r , Xj-i - nong cac vi sinh vat tir a cac don nguyen i-1 va i (kg/m^); Xi^ nong vi sinh vat cl dinh a don nguyen i (kg/m^); Si.,, Si - N6ng cac chit ban hiru co o cac don nguyen i-1 va i (kg/m^); Ci.i, d - nIng dp oxy boa tan a vimg phan img cua cac don nguyen i-1 va i, kg/m^; L - luu lugng nuoc thai a d4u vao cung nhu dku ra, m7h; Rj - dong tuan hoan phia trong, m^/h; (Kt'a) - he sl truyin khIi rieng cua oxy a don nguyen'i, h"'; C* nong dp oxy boa tan bang, kg/m^ Y^, Y^ - nIng oxy pha a dm who va d k don nguyen i, m /h; Vj - the tich chat long cua vung phan ling a dan nguyen i, m^; Vj'^ the tich chat long cua viing thong a don nguyen i, m^; |a^ - tic tang truang rieng lan nhat cua vi sinh vat, h" ; K, - hang so bao hoa, kg/m^ K2 - tic mk di ciia tl bao, h"' Ba phuang trinh dku tien ciia mo hinh (1) mo ta tic tang truang vi sinh vat, su dung co chat va oxy chi dugc thuc hien a viing phan img vai viec sir dung mo hinh dong hoc Herbert, hai phuong trinh sau - can bing vat lieu vung thong 148 Hgi nghi Khoa hgc ky niem 35 ndm Vien Khoa hgc vd Cong nghi Viet Nam - Hd Not 10/2010 M6 hinh tren da dugc sir dung tinh toan thiet ke mgt so cong trinh xir ly nuac va nuoc thai, dac biet la nuoc thai benh vien 2.3 Thiet bi xir ly nu-dc thai benh vien V-69 va CN CN-2000 Mo hinh thiet bi xir ly nuac thai benh vien V-69 dugc tinh toan thiet ke xay dimg tir nam 1998 theo nguyen ly modun, hgp khoi va tu dgng boa [7, 12] Thiet bi co kich thuac ngoai: rgng x dai x cao = 2,35m x 6,05m x 2,92m co cong suat xir ly 100 - 150 m^ nuoc thai (vai 20h boat dgng) Tuy cong suat nuoc thai can xir ly ma ghep cac modun voi LTu diem chinh cua thiet bi la tang kha nang tiep xiic ciia nuoc thai voi oxy nho lop dem vi sinh c6 rong va be mat trao doi ldn So thiet bi dugc bieu dien tren binh Hinh 3: Thid bi V-69 Thiet bi CN-2000 la ten ggi cua thiet bi dang thap xir ly nuac thai benh vien theo nguyen ly cong nghe AAO (yem - thieu - hieu khi) tren lap dem vi sinh bam Day la dang thiit bi cai tien va dugc hinh nam 2000 dugc sir dung rgng rai de xir ly nude thai cho nhieu benh vien ldn vdi dien tich c6 ban cho cong trinh nhu: cac benh vien Him Nghi, Xanh Pon, Thanh Nhan d Ha Noi, Vien Pasteur d Thanh H6 Chi Minh Ket qua nghien cim mo hinh boa qua trinh cong nghe xir ly nude thai benh vien thiit bi CN-2000 [13-16]nham tinh toan du bao diin bien cac thong sl nude thai qua trinh xir ly dugc mo ta ngan ggn dudi day: Thiet bi CN-2000 dugc chia cac ngan (4 ngan xir ly chinh) M6i ngan thuc hien mgt qua trinh xir ly sinh hgc khac So thiit bi dugc thi hien tren hinh LTinh 4: Sa dd cdng nghi cdc ngdn ciia thiit bi CN - 2000 xir ly nude thdi binh vien Tir thuc tl dac cac thong sl nude thai cua cac tram XLNT benh vien Thanh Nhan - Ha Noi (bang 1) thuc hien qua trinh XLNT theo so dl hinh ngan cua thiit bi CN-2000 da xac dinh duoc cac mo hinh sau: 149 ISBN: 978-604-913-013-7 Tieu ban: Moi truang vd Ndng lugng 1) M6 hinh tinh thong sl COD dSu ngan yIm (Ana) cua thiit bi CN-2000 COD,, = 6,7859 2"°'°' -Q^/'''' \ R ' = 0^7810 (2) 2) Mo hinh tinh tai trgng thi tich theo nito ting cua ngan xir ly thilu (Ano) cua thiet bi CN 2000: TT, = 1,5384.10^.2^''^A'rr'-C'C>Df;r'; R- = 0,9840 (3) 3) Mo hinh tinh tai trgng thi tich theo BOD cua ngan xir ly hilu (Oxic) cua thiit bi CN 2000: TT, = 1,0788.10-^gf°'°.CC»D°•';'^iV°;°'''; /?' = 0,9878 (4) Bdng I: Diin biin cdc thdng sd nude thdi qua cdc ngdn xir ly ciia thiit bi CN 2000 NT,r (mg/l) BODr (mg/l) STT Q(m%) COD, (mg/l) CODu.r (mg/l) Nr,y (mg/l) 12,2 270,0 134,0 34 11 10,8 10,9 231,3 125,8 29 10 11,0 10,0 309,3 171,2 21 11 10,2 12,2 187,7 85,1 30 12 6,2 12,7 314,4 139,4 33 8,3 13,0 328,1 119,4 28 12 11,1 13,0 241,9 116,4 26 11 6,7 12,4 189,1 94,2 28 11 6,7 11,5 230,7 116,7 27 10 8,6 10 12,0 224,8 94,4 26 10 6,2 11 12,6 320,2 159,2 21 10 11,9 12 13,1 334,9 136,2 35 12,1 13 12,2 346,6 142,4 26 10 9,9 14 11,7 198,1 118,8 27 10,4 15 12,1 182,7 90,2 27 10 6,0 16 10,3 197,5 108,6 29 11 7,1 17 10,9 187,8 79,6 22 12 4,2 150 Hgi nghi Khoa hgc ky niem 35 ndm Vien Khoa hgc vd Cong nghe Viet Nam - Hd Noi 10/2010 STT Q(m'/h) COD, (mg/l) CODur (mg/l) Niv (mg/l) Nr.r (mg/l) BODr (mg/l) 18 11,2 231,2 135,7 30 11 11,4 19 13,1 248,2 104,2 26 6,5 20 10,5 207,7 106,3 32 10 6,8 21 11,3 250,2 132,1 31 11 7,3 22 11,0 287,6 115,6 32 7,2 23 10,6 279,2 103,3 23 8,3 24 11,4 334,0 138,7 22 10 12,9 25 12,5 244,4 103,2 22 7,7 Sir dung cac mo hinh (2), (3), (4) de tinh toan cac thong so nude thai tai dau cua ngan va thiit bi CN 2000 gIm CODu.r, NT,r (nIng nito ting dku ra), BODr (BOD5 diu ra) tren co sd cac thong so dugc d dau vao cua thiet bi Cac ket qua tinh toan doi chiing vdi thuc te tai cac tram XLNT benh vien Thanh Nhan, Xanh Pon va Trung tam HIV - Ha Noi trinh bay bang Bdng 2: Kit qud tinh todn cdc thdng sd XLNT cua thiit bi CN 2000 Thdng sd ddu vdo (do dgc) STT Binh vien Q (mg/l) COD, (mg/l) (mg/l) 10,95 341,15 10,60 Thdng sd ddu (do dgc vd tinh todn) Nr.r (mg/l) NT.V BODr (mg/l) Do dgc Tinh todn Do dgc Tinh todn 23,04 8,65 11,0 8,52 11,86 363,44 25,52 11,55 11,36 10,89 12,60 12,32 347,11 33,32 11,51 11,29 13,72 11,23 12,53 357,11 27,12 9,75 11,26 9,68 11,80 11,27 323,17 21,43 10,91 11,18 11,65 11,05 11,44 325,85 22,85 9,31 10,93 10,54 11,20 11,50 337,67 22,12 8,91 10,79 10,68 11,65 12,86 360,35 23,03 9,75 10,80 11,67 12,05 10,73 330,71 25,45 11,51 11,36 10,58 11,39 Thanh Nhan 151 ISBN: 978-604-913-013-7 Tiiu ban: Moi tru&ng vd Ndng lugng Thdng sd ddu (do dgc vd tinh todn) Thdng sd ddu vdo (do dgc) Binh viin STT BODr (mg/l) Nj.r (mg/l) Q (mg/l) COD, (mg/l) (mg/l) Do dgc Tinh todn 10,86 320,57 23,95 10,54 11,17 10,11 11,08 12,85 298,19 23,04 9,81 10,85 12,31 9,92 12 11,80 290,65 26,38 12,18 11,36 9,89 9,69 13 11,47 315,23 27,12 12,53 11,43 8,81 10,58 14 12,57 311,54 24,40 10,17 11,05 8,53 10,37 15 11,53 326,34 23,98 11,38 11,09 10,85 11,13 16 12,23 318,64 26,64 10,82 11,30 9,27 10,57 17 12,57 299,77 22,49 9,78 10,79 9,85 10,06 18 12,45 322,49 22,97 9,71 10,86 10,34 10,85 7,85 443,50 35,80 13,36 12,02 12,49 15,93 6,95 436,62 37,21 10,97 12,21 14,85 15,98 21 6,54 450,60 39,05 10,40 11,61 17,26 15,91 22 8,09 454,18 34,37 14,94 12,48 18,84 17,07 10 Xanh Pon 11 19 Trung tam HIV 20 VT-.V Do dgc Tinh todn Bieu dien tren thi (hinh 5) cac ket qua va tinh toan ciia cac thong so dau thiet bi CN 2000 Ket qua so sanh cho thay gia tri nito tong dau dac tuong thich vdi gia tri tinh toan vdi R^ = 0,7936; va gia ti BOD5 dau dac tuong thich vdi gia tri tinh toan vdi R^ = 0,8052 20 ^20i i.15^ S.10-1 •"f'f;i"'i*^»*'ii^''^ ;'M'«I'M"MMI^M' ra'lOQ c •2 b o CO z -1—I—I—I—I 1 1—I—I—1^—I 10 12 14 16 18 20 22 24 • Nile t6ng (Jo dgc • Nita ting tinh tocin I I I I I I I I t ^ 10 12 14 16 18 20 22 24 • BOD (3?c I BOD tinh toan ITinh5 So sdnh gid tri thdng sd ddu dgc vd tinh todn 152 I Hgi nghi Khoa hgc ky niem 35 ndm Vien Khoa hgc vd Cong nghe Viet Nam - Hd Not 10/2010 Trong thdi gian qua (1998-2010) khoang 150 tram xir ly nude thai benh vien vdi cong suat tir 200 den 1000 m /ngd theo cac mo hinh V-69 va CN- 2000 da dugc xay dung d cac dia phuang toan quIc KET LUAN Phuang phap mo hinh boa toan hgc dugc sir dung de nghien ciiu cac he cong nghe boa hgc phirc tap ciing nhu cac qua trinh thiet bi cong nghe moi truong Nhd nhiem vu tinh toan, thiet ke va xay dung cac cong trinh xir ly nude thai dugc giai quyet mgt each bai ban va chinh xac hon LCJI CAM ON Tac gia chan cam on tap the can bp khoa hpc Lien hiep KHSX Cong nghe hoa hpc (UCE) va Trung tam Tu van CGCN Nude sach va Moi trudng (CTC) da tich cue tham gia nghien ciiu trien khai ling dung cac mo hinh V-69 va CN-2000 vao thuc te TAI LIEU THAM KHAO Ka(|)apoB B.B., "Memodbi KudepuemuKU e XUMUU U XUMUHCCKOU mexuonozuu", M.," XuMHa", 1985 KoMHCcapoB lO.A., FopaeeB JI.C, Hryen Cyan Hryen, "Ananus u cuumes cucmeju eodoodecnenenuH XUMUHCCKUX npouseodeme", M.," XHMHH", 2002 "Gerard Kiely Environmental engineering" The McGaw-Hill companies, 1997 Nguyen Minh Tuyen, Pham Van Thiem, "Ky thuat hi thdng cdng nghi hod hpc" NXB Khoa hgc va Ky thuat Ha Noi, 1997 Luong Diic Pham, Nguyen Xuan Nguyen, Pham Hong Hai, "Md hinh hod qud trinh thiit bi cdng nghi mdi trudng", NXB Giao due Ha Noi, 2008 Nguyen Xuan Nguyen, Pham Hong Hai, "Ly thuyet vd md hinh hod qud trinh xie ly nude thdi bdng phuang phdp sinh hpc ", NXB Khoa hgc va Ky thuat Ha Noi, 2003 Nguyin Xuan Nguyen, Pham Hong Hai, "Cdng nghi xir ly nude thdi binh viin NXB Khoa hpc vd Ky thuat", Ha Noi, 2004 Nguyen Xuan Nguyen, Pham Hong Hai &nnk, "Xdy dung md hinh thuc nghiem thdng ki md td dgc tinh nude thdi hd chica lam ca sd cho viec xdc dinh chi dp cdng nghe xu ly ", Tap chi KH&CN, Tap 40, Sl 1, 2002, tr 12-17 Sreng Sokvung, Tran Van Nhan, Nguyin Xuan Nguyen, Pham Hong Hai, "Tim cdng thicc thuc nghiem md td quan hi giua cdc chi tiiu hod ly cua nude thdi sinh hpc ", Tap chi KH&CN, Tap 43, S l 6A, 2005, tr.244-245 10 Nguyen Xuan Nguyen, Pham Hong Hai, "Ve mdt phuang phdp udc tinh ti le rdc thdi chdn Idp dp dung cho Viet Nam thdi ky CNH, HDH", Tap chi KH&CN, Tap 45, s l 2, 2007, tr 99-103 11 Nguyen Xuan Nguyen, Tran Van Nhan, Sreng Sokvung, "Tinh todn ddng hpc xic ly nude thdi hiru ca trin lop dem vi sinh bdm ", Tap chi KH&CN, Tap 45, Sl 5, 2007, tr.43-49 153 Tiiu ban: Moi trudng vd Ndng lugng ISBN: 978-604-913-013-7 12 Nguyen Xuan Nguyen, Pham H6ng Hai, Tran iTng Long vaf nnk, "Thiit bi cdng nghe mdi xic ly nude thdi binh viin theo nguyin ly mddun, hop khdi vd tu ddng hod ", Tap chi KH&CN, Tap 39, Sl 3, 2001, tr.42-45 13 Nguyen Xuan Nguyen, Pham Hing Hai, Tran Van Nhan, Sreng Sokvung, "Sir^ dung md hinh ddy hop vdi ddng ngupc viec tinh todn hi thiit bi aeroten - hi Idng xic ly nude thdi binh viin ", Tap chi KH&CN, Tap 43, Sl 6A, 2005, tr.208-211 14 Nguyen Xuan Nguyen, Pham Hong Hai, Tran Van Nhan, Sreng Sokvung, "Md hinh thuc nghiem thdng ke md td quan hi giica cdc chi tiiu hod ly ca bdn ciia nude thdi benh viin" Tap chi KH&CN, Tap 44, Sl 2, 2006, tr.13-17 15 Nguyen Xuan Nguyen, Tran Van Nhan, Sreng Sokvung, "Md hinh hod qud trinh xie ly sinh hpc yim - thiiu - hiiu (AAO) ddi vdi nuoc thdi binh viin" Tap chi KH&CN, tap 45, Sl 6, 2007, tr.143-149 16 Sreng Sokvung, "Nghiin cieu md hinh hod qud trinh xic ly nude thdi binh viin bdng thiit bi CN-2000", Luan an Tiln sT Ky thuat Trudng DHBK, Ha Noi, 2008 154