Cdng trinh kinh tdng Gido sir Vien sy Nguyen Vdn Hieu nhdn dip Gido sir Vien sy 70 tuoi MOT SO KET QUA NGHIEN CUU VA TRIEN KHAI CONG NGHE XÛ LY BUI VA KHI THAI DOC HAI TRONG SAN XUAT CONG NGHIEP 2001[.]
Cdng trinh kinh tdng Gido sir Vien sy Nguyen Vdn Hieu nhdn dip Gido sir Vien sy 70 tuoi MOT SO KET QUA NGHIEN CUU VA TRIEN KHAI CONG NGHE XU^ LY BUI VA KHI THAI DOC HAI TRONG SAN XUAT CONG NGHIEP 2001-2007 Vu Thj Kim Tuyen Vien Khoa hgc Vat lieu, Vien Khoa hgc va Cdng nghe Viet Nam E-mail: vukimtuyen@gmail.com Tom tit Bao eao trinh bay mot so ket qua trien khai cdng nghe xir ly thai va bui cdng nghiep tren co sd ap dung khoa hgc kT thuat vao san xuat Muc tieu ciia cac cdng nghe la dat dugc tinh phii hgp, kha thi, hieu qua cao, chi phi dau tu va van hanh thap va khong phai nhap vat tu thiet bi ciia nude ngoai Cac cdng trinb da dirge cac eo sd san xuat tiep nhan va danh gia cao ve sy bo trg ciia khoa bgc - cdng nghe ciru bao ve mdi trudng cdng nghiep A CAC CONG TRINH DA DUOC AP DUNG VAO THUC TE I Xii' ly thai 16 gach thu cong o tinh Bic Ninh, 2001-2002 Trich BCKH : Ket qud nghien cim hieu qud xir ly thdi tir cdc Id nung ggch thu cong a tinh Bac Ninh bdng phuang phap diing vat lieu cacbonat - De tai hop lac nghien ciru vd trien khai cong nghe giua Sa KHCN & MT tinh Bdc Ninh va Vien Khoa hoc Vgt lieu Ket qua nghien ciru da duac tinh Bdc Ninh bien vd dp dung tren toan tinh tir 2002 1.1 Cac so lieu ban dau: • Nhien lieu nung gach: Than cam Quang Ninh Muc tieu thu 45 tin/Id (350.000 vien gach/ld) ddt lien tuc • Khdi tir cac Id gach chira nhieu bui va SOo, da gay d nhiem tram trgng mdi trudng khdng xung quanh, linn chay liia va hoa mau tren dien rgng • Mdi nam ctic co sd san xuit gach pbiii ngirng san xuit 4-5 thang vao nhirng thdi gian tir liia sap trd ddng tdi liic gat xong (bien phap cua tinh Bic Ninh co nhieu don kbieu kien ciia nhan dan) • Yeu cau xir ly SO2 va bui khdi Id dat tieu chuin viet Nam hien banh TCVN 9661-2001, cot Q3 • Dac diem ciia thai tir cac 16 gach thii cdng (do tai hien trirdng bing thiet bj dng khoi: LANDCOM II (My) - Bang 278 Tuyen tap bao eao ky niem 15 nam lap Vien Khoa hgc Vat lieu - Ha Noi, 6/2008 Bang I: Dac diem thai qua trinh dot gach: Tinh chat chay Dac diem khoi Chay khdng hoan toan Khdi nhe Chay chua hoan toan Chay hoan toan Ngay dot 16 thu' U Nong cac chat khoi 16 (thu ty til' cao den thap) CO, CO2, SO2, NOx Khdi trang 2-3 CO, SO2, CO2 NOx Khdng thay khdi 4-6 SO2, C , N x , C 1.2 Phu'o'ng phap xii- ly: Xir ly bui va kin' SO2 bang phuong phap hap thu • Diing dung dich Ca(0H)2 phun dudi dang hat suong de hap thu SO2 thai, ddng thdi xu ly bui • Thiet ke he thdng xir ly SO2 va bui dua tren ket qua tinh toan san pham chay (SPC) - dimg chuong trinh SPC.PAS • Ket qua tinh cac thdng so xir ly SO2 tir ket qua tinh SPC: - Lugng khdi d dieu kien thuc te (nhiet khoi bang 200°C): 5400 (mVh); - Nong kin' SO2 khoi thai: Cso2 > 900 (mg/m"); - Tai lugng phat thai SO2: Mso2= E4 (g/s); - Dung dich Ca(01T)2 dugc pha tdi pH thich hgp va lang trudc sir dung • Thilt kl chieu cao mieng ong khdi >20 m de phat tcin CO vao kliong giam ttie ddng tdi mdi trudng sinh thai • Tinh loan ap lire bom thich hgp de xir ly hieu qua SO2 va bui be thdng voi phun dugc thiet ke cbdng tac, pbii kien de thay the va sira chira Bang 2: Hieu qua xii' ly SO2 bang phun suong dung djch Ca(OH)2: Dieu kien Khdng xir ly Sau xu ly Nong tinh toan theo SPC Do ong khdi (mg/m ) (mg/mf 920 704 279 Cdng trinh kinh tdng Gido su Plen sy Nguyen Vdn Hieu nhdn dip Gido sir Vien sy / (/ luoi Mot so hinh anh thuc tc: 'e-w'*v^*% Mo hinh 16 gach co he thong xu ly thai Til" Lap dat duo-ng dan dung dich hap thu 1.3 Hieu qua kinh te-xa hoi: Day la phuang phap cho hieu qua cao va phii hgp vdi cac co sd san xuat cong nghiep vira va nhd cua Viet Nam Chi phi cho xir ly thai ddi vdi mot Id gach nhu sau: - Lai xuat trung binh tir mot Id gach (35 van vien): 12-13 trieu ddng - Chi phi cho xay dyng he thong xii' ly : den 10 trieu ddng, cd the sir dung nhieu nam, chi phi bao hanh thap - Chi phi cho xir ly va bao hanh he thdng xir ly: 200 000 ddng/ld (cdng suat mdi Id 350 000 vien gach) - Khi ap dung phuang phap nay, cac co sd san xuat cd the boat dgng lien tuc, ngbTa la mdi Id ed the san xuat them 4-5 thang mdi nam, khdng phai dimg Id cac giai doan thdi vu lua Dieu da giup cac ca sd san xuat tang doanh sd hang nam; tao them san pham xa hdi va viec lam (thu nhap) cho lao ddng ndng nhan d cac dja phuong Udc tinh tren toan tinh Bac Ninh, rieng lai xuat san xuat them thang, mdi nam tang hang tram ty ddng (Tong so 16 ggch ciia tinh:800; moi Id ddt them thang (10 Id); san luang mdi Id: 350 000 vien; lai tir mdi vien ggch: 30 ddng) I XU LY KHOI THAI NHA MAY KINH VIET HUNG TAI KHU CN NHU QUYNH - 2004 2.1 Cac so lieu ban dau: • Mire sir dung dau cho san xuat: tren 30 tan diu /ngay • Luu lugng khdi thai: 30 000 m^ /h chiia bui va SO2 vugt TCVN nhilu lin, gay nhiem mdi trudng xung quanh • Yeu cau xir ly SO2 va bui khoi Id nau kinh trudc thai qua ong khoi mdi trudna 280 TuyIn tap bao cao ky niem 15 nam lap Vien Khoa hgc Vat lieu - Ha Noi, 6/2008 2.1 Phuang phap xir ly: Bui va SO2 tir Id nau kinh dugc xir ly bang phuang phap hap thu Dung dich hap thu la Ca(0II)2 ed pH =11-12, qua thap rira Cau tao he thdng xir ly co ban dya tren ket qua tinh toan san pham chay (SPC), sau dd, md hinb thap rira dang thap dimg dugc nghien ciru thiet ke budng rira nam ngang de phii hgp vdi dieu kien mat bang va an toan ciia nha may Nguyen tac boat ddng eiia he thdng xir ly nhu sau: KJii thai dugc quat hut dua vao cac budng xir ly gdml budng rdng, va budng cd d dem Trong cac buong xu' ly, ddng di ngugc chieu vdi ddng phun dung dich hap thu Ca(0H)2, van toe di chuyen ciia dugc tinh toan cho sau qua cac budng rira khi, ham lugng SO2 va bui kJn thai thap hon tieu chuan cho phep (dii tieu chuan xa thai) ddi vdi ngudn thai cdng nghiep He thdng dung dich xir ly dugc diing tuan hoan he thdng be lgc nlianb, dam bao luu lugng dung dich xir ly, khdng thai mdi trirdng Lugng can vdi, biii va thach cao lang be khdng phai la cac chat ddc hai nguy hiem, cd the diing cho muc dich kliac Flieu qua xir li thai va biii dugc danh gia thdng qua ket qua phan tich mau trudc va sau xir li, Trung tam kT thuat I, Tong cue tieu chuan ludng chat lugng, Bd Khoa hgc va Cdng nghe thyc hien (bang 2.2) 2.2 Hieu qua xir ly bui va thai tai Nha may kinh Viet Elung (biing 2): Bans 2: Ket qua thir nghiem sd TN-02 Ca quan phdn tich mdu:Phdng Phdn tich hod Xldi trudng, Trung tdm ki thuat I, Tdng cue tieu chuan luang chdt luang VN Cac chi so (mg/m ) Trudc xir ly Ndng bui Ndng SO2 Tdng sunfua dung dich sau xir ly Can la lirng dung dich sau xir ly 339-411 534-690 86,7(*) 1018 Sau xu" ly 104-106 TCVN-2001 400 139-140 306 216 150 Chii thich: (*) Cd Idn nude sau xir li qua ngirang trdn Mot so hinh anh thuc te: He th6ng tuan hoan dung djch hap thu Do kiem hicLi qua xir ly 281 Cdng trinh kinh tdng Gido sir Vien sy Nguyen Vdn Hieu nhdn dip Gido su Vien sy tuoi 2.3 Nhan xet: - Trong qua trinh boat ddng cua he thong xir ly, pH cac be chira dung dich trudc xu lyla 11 din 12; bl dung dich sau xir ly cd pH tir 4.5 din 5,5; lugng nude hao hut gid (do bay hoi) la 1,5 m": ham lugng bui \a SO2 thai sau xir ly dat tieu chuin Viet Nam trudc thai qua dng khdi mdi trudng - Trong qua trinh he thdng xu ly boat dgng, cac thdng so ve cdng nghe ciia 16 khdng bi anh hudng - Tir lip dat (2004) din (2008), he thdng van boat ddng tdt 111 Xiy LY BUI MAI DANH BONG CO KHI TAI CONG TY C PHAN DUNG CU CO KHI XUAT KHAU - 2007 (HOP D O N G NGHIEN ClTU KHCN) 3.1 Cac so lieu ban dau: - Nha xudng dang sir dung he thdng quat hut bui theo thiet ke cua Lien Xd cii, bui dugc hut tir cac nguon phat sinh bui thu vao him ling Tdng cdng suat cac quat hut bui la 80 kw/h - Hieu qua xir ly bui kem, nha xudng bui mil mit (xem anh); ham lugng bui thudng xuyen nha xudng la 15-18 mg/m^ (tieu chuan tdi da cho mdi trudng lao dong la 4mg/m'') 1.2 Phu-OTig phap: Tren co sd phan tich phan hat bui mai, phuong phap dugc chgn la ket hgp xir ly bui khd vdi xir ly udt theo so dd sau: Buong thu bui tai vi tri mai Be lang nude tuan hoan Quat hilt Xiclon u6l Xiclon kho Venturi Mot so hinh anh thuc te: Hien trang nha xudng chua xir ly bui 282 Nha xuang sau xir ly bui He thong xu ly ben ngoai Tu>en tap bao cao ky niem 15 nam lap Vien Khoa hgc Vat lieu - Ha Noi, 6/2008 1.3 Hieu qua xu- ly bui tinh toan va thyc te: Lugng trao ddi xudng: - Neu cac quat biit chay dii luu lugng thiet ke la 20.000 m'Vh thi mdi gid lugng klidng thoat lit 60 000 m' (3 quat x 20.000 m^/h) - The ticb khong gian xudng khoang 6000 m , nhu vay mdi gid khdng xudng dugc thay ddi 10 Ian (cir phut thay mot lugng khdng mdi) - Lugng khdng luu thdng xudng tai thdi diem kiem lit 30.000 m^/h (3 quat hilt X 10.000 mVh), nhu vay mdi gid khdng ciia xudng dugc thay Ian Hdm lugng bid xudng tinh toan theo lugng bid Icing: Lugng bui lang thu dugc sau 05 linn viec ciia xudng tren dTa hii'ng bui lang tirong duong vdi 12.800 mg/ m'ngay Ndng bui trung binh khdng gian xudng thuc tc liil ,13 mg/m"' (Tieu chuan cho phep ddi vdi mdi trudng cong nghiep lit 4ing/m'') K(}t (jud nong dp bin thirc te: Khi tat ca cac may mai dang lam viec; cac vat lieu dugc miii danh bdng lit kim loai va inox 1.3 Tong hop cac ket qua kiem so voi liic chua xv: ly bui: (Co' quan thuc hien kiem: Phdng hda nghiem mdi truang, Trung tdm tieu chuan lirdng chdt lirang I) Ham lugng bui (mg/m ) Vi tri Cac vi tri khac nha xudng Viing thd ciia cdng nhan ngdi lam vice tai may mai r C Bg Y Te doi vdi mdi Irudng lao ddng Trudc xir Iv Sau xiv ly 4,5^8,5 0,28^0,61 12-18 1,22^ 1,82 • bui silic : 4,0 Ghi chii - Cac quat hiit boat ddng bang 1/2 luu lugng thiet ke - Do nhieu Ian d nhieu vi tri - • bui khiic: 6,0 - 8,0 1.4 Ban ve hieu qua xii ly bui: - him lugng bui khdng gian xudng giam 13 den 16 Ian so vdi trudc xu ly thap ban nong bui tinh toan tir 2- Ian va thap ban tieu chuan cho phep den 14 Ian (trir Irudng hgp ca phdt) - Hiim lugng bui tai vi tri cdng nhan lam viec mai vat lieu la inox (bui nhieu ban viit lieu la kim loai khac) giam tir 5.6 den Ian so vdi chua xir ly va thap ban ban lin gia tri cho phep ddi vdi moi trudng lao dgng cdng nghiep - Ciiam 25% dien nang tieu thu cho xir ly biii: - N I U cac quat boat dgng dii cong suat 20 000 m7h thi hieu qua xir ly bui chac chin se cao hon nira va cd the giam ndng bui hon nira Cdng trinb kinh tdng Gido sir Vien vi Nguyen I'dn Hieu nhdn dij) Gido sir Vien vv ^0 tuoi 1.5 Nhan xet ciia co' sd' (Ban lanh dao Cong ty va cong nhan xudng mai danh bong): - Hieu qua xir ly bui rat cao - Giam 25% dien nang tieu thu cho xir ly bui va giam tieng dn nha xudng dua quat hut ben ngoai xudng (trudc day dat xudng) - Ve hinh thirc: He thong xir ly bui cd thiet ke phii hgp vdi yeu cau, ed kien triic ggn, dep \'a phii hgp vdi dieu kien thirc te, khdng anh hudng tdi cac boat ddng ciia xudng va thao tac ciia cong nhan Hieu qud ngoai dir kien: Fie thdng xir ly bui da cai thien co ban khdng nha xudng, da lam tang dang ke nang suat lao ddng: trudc day cdng nhan phai lam viec tdi 12 gid dem va ca Chii nhat mdi cap dii phoi cho xudng ma (do ndng bui xudng qua Idn, cdng nban phai ngoai nhieu Ian, lam giam thdi gian lao ddng thuc te), nhung cdng nhan chi lam viec du 8h va dugc nghi Chii nhat C TRAO DOI MQT SO KINH NGHIEM TRONG QUA TRINH TRIEN KHAI CONG NGHE: Qua trinh trien khai ap dung KLI-CN vao viec xir ly chat thai cdng nghiep d cite co sd san xuat cho phep nit nhirng kinh nghiem sau day: - Hien nay, cac eo sd san xuat d Viet Nam dang rat can tu van ve cdng nghe moi trudng, vdi cac yeu cau ddi vdi thiet bi la: Hieu qua, don gian, de sir dung, sira chira va thay the chi phi thap Viec nghien ciru dua cac bien phap cdng nghe mdi trudng phii hgp vdi dieu kien dau tu ciia cac nha san xuat d Viet Nam hien lit rit quan trgng, vi nd khuyen khicb cac co sd san xuat tu giac thuc hien - Khi cdng nghe da dugc ap dt-ing co quan nghien ciru cdng nghe mdi trirdng cin theo ddi he thdng thiet bi ciia minh de danh gia, nit kinh nghiem va hoan thien ban - Khi nghien cuu va trien khai cong nghe can cd su lien kit chat che vdi cac co quan quan ly ve cong nghiep va mdi trudng d cac dja phuong viec tuyen truyen, giao due y thirc bao ve moi trudng vii giam sat chat che vice tri boat dgng ciia cac thilt bi bao ve mdi trudng doi vdi cac chii san xuat, de cac kit qua dugc sir dung rgng rai, mang lai hieu qua ve mdi trudng B CAC KET QUA NGHIEN CUU CHUA AP DUNG VAO THUC TE I XU LY NUOC THAI TU CAC MO THAN YUNG QUANG NINH (li-ich Bdo cdo ket qua nghien ciru di tdi ccip Vien KH-CN Viet Nam 2005-2006 Kit qud ddnh gid cua hdi ddng: Xudt sac) 1.1 Md hinh xir ly nude thai mo than: Phuong phap xir ly: Dimg phuang phap hoti hgc Cosdxay dung mo hinh: - Tham khao mot sd quy trinh xu ly nude thai cdng nghiep Iron tbI gidi, 284 TuyIn tap bao cao ky niein nam lap Vien Khoa hgc Vat lieu - Ha Noi 6/2008 - Cac kit qua dilu tra thyc te va ket qua thi nghiem phdng: Dimg nude vdi de trung boa va tang van tdc lang ciia nude thai, Muc tieu vdy tudng thiet ke mo hinh: - Giam tdi da chi phi dau tu cho cac ed san xuat va dat hieu qua xir ly cao - Su dung kenh thoat nude md cd cau tao dac biet liim be trung boa de giam chi phi xay be trung boa va khdng can thiet bi khuay Sau dd nude dugc dan viio be lang tnrdc dd vao ngudn tiep nhan hgac dan trd lai cap cho cho be nude vdi (tuan hoan) Thi nghiem tren mo hinh: Thi nghiem da dugc tien hanh tren md hinh tuong ty ddi vdi nude thai md than cd pH thap tir 2,5 den 4,0, due tir 400 - 900 NTU (xem anh minh hga) Ket qua nhu sau: Ket qud TN: Nude dugc trung hoa gan nhu tire thdi tac dung vdi nude voi cd pll = 12-13 vdi ty le thich hgp vdi luu lugng nude thai Thdi gian lang ciia nude sau xir ly la khoang gid tren chieu cao lang khoang 1,5 m; van tde lang nhanh gap hon 10 Ian so vdi nude thai chua xir ly Nhu vay cd the xay dung cac be lang nhanh (trong vdng gid) de chuyen nude thai d nhiem loai nude dat tieu chuan thai mdi trudng Nude cap cho be vdi cd the lay tir be lang sau xir ly bang kenh ty chay hoac bom Cd the lap dat be thdng bom nirdc vdi va dieu chinh pH tu dgng Be nuoc voi Nuoc thai U Nguong ^ hoa tron Nude sau xir ly Ngirang tran PFtnh I: So' dd he thong xu- ly nuoc thai mo 1- Kenh nuac thai; 2- Ngudng trdn (xay kieu ejecto cd ddc Idn); 3- Kenh trung hod cd cdc vdch ngan; 4- Be lang ngan (cd the ngan mdi doan sudi lam be lang); 5- Vdch ngan; 6- Kenh ddn mdi trirdng (sdng, sudi ); 7-Be nude vdi Mot so hinh anh thi nghiem: Thu nuhicm Iron ong nghiem va tren mo hinh dong thai nio Chuyen gia Nhat Ban tham quan phong thi nghiem 285 Cdng trinh kinh tdng Gido sir Vi 'hdn dip Gido sir Vien sy 70 tuoi 2.2 Tinh toan chi phi xir ly nude Tinh toan cho mot don vi kh 4000 m"'/ngay Chi phi cho m'' r nha san xuat chap nhan Ha Lam) cd luu lugng nude tlii ddng Day la chi phi de dugc c| Thdo ludn: Day la phuong phap cd tinh yeu cau hieu qua, gia thaj nhiem mdi truimg nude va cac 1< hinh cd the ap dung cho cac phii hgp cho tirng loai nude thai e NGHIEN ClTU Xiy LY BUI C THONG PHUN TAO MU A TI : md d Viet Nam dap ung (I chan se gdp phan giam thietl| Dien vung than Quang Ninh ua d Viet Nam vdi cac tinh toi ;iAO THONG MO BANG Dat van de: Cac phuong phap xir ly bui j ing xe phun nude tudi dudngH Uu diem: Lam udt dudng nY i cao Nbugc diem: Lugng nude s giao thdng md), can trd giao thdi banh xe d td, gay d nhiem bui xa Y tuong ve phuong phap x Phuong phap phun tao mua viec nghien ciru am ciia mat c dudng dugc lam am vira dii, dat phat tan vao khdng khi, mat dudn Y tuoTig thiet ke: Thiet ke tren mat dudng giao thdng md E liim lim nhu cd mua phiin CI khu vuc nghien ciru Ket qua thyc nghiem: )i mat dudng (dac biet la dudt^ i dudng, nhieu biin dat dinh th| ng, nude, ).; ' /^ t dudng GT md dugc de xuit rong nhirng mua pbiin: m ^ lat hon cd xe qua, bui khor i phun mua phim khdng lien tuc t phun dam bao mat dudng dugc ce dya vao dac diem bay hoi ciia 'ai • ^ • Thiet ke mot modun gdm lugng thich hgp, dam bao ; mg suat may bom 2,5 kw/h, luu i8-I0kg/cml • Dien tich lam udt dudng c 5,5 m Sau thdi gian phun dugc lam udt du am cat n): rgng gin 10 m, xa trung binh' phut phun mot lin doan dudng He thdng boat dgng 24 h / dd thi dudng ddi vdi giao thdng mo va • 286 — —"^ Tuyen tap bao cao ky niem nam lap Vien Khoa hgc Vat lieu - Ha Noi 6''2008 Bdo qudn he thong: Toan bd he thdng gdm nha dieu hanh, he thdng tu ddng cac may bom, dudng ong dan nude vii dudng dien cho he dieu khien tu dgng Dudng dan nude va dien bd tri hai ben dudng (trong cac dudng dng kT thuat); cac dng dan nude diing ong kem (1)15 mm tuong ty nhu tbiet ke cho cap nude sinh boat Cac md phun dat cao hon mat dudng 0,15m va dugc bao ve bang cac hop belong Cac be chira may bom dugc xay dung bang be tdng va ed khoa bao ve Ele thdng dugc van hanh, bao ve va bao tri hang Nguon nuoc May bam cap nuac cho 10 mo phun luan phieii JIL i 43- -O- -O- Diidng giao\thdng XT XT t_r nr -o- 30m Hinh 2; So' bo tri he thong phun nu-6'c chong bui giao thong mo Mat cat md phdng mot cum md phun Mat dat Mo phun hop bao ve Mat duang Mot sd hinh anh thi nghiem (a) (b) Llinh Bd dieu khien tu ddng (a); Phun am mat dudng, khdng udt ngudi di bg (b) 287 Cong trinh kinh tdng Gido su Vien sy Nguyen Vdn Hieu nhdn dip Gido sir Vien sy 70 tudi Tinh toan hieu qua kinh te cua phuong phap : - Tinh toan chgn may bom: Chgn may bom cdng suat 2,2 kw/lr, luu lugng mdi may 297 lit/phut - Lugng nude sir dung mdi ngay: (tinh cho he thdng boat ddng 16 gid/ngay): Lugng nude tieu hao qua vdi phun cd tinh den he sd tinh den rd ri: 14,4 m^/ngay - Cbl phun tu ddng: bom phut, nghi 20 phut Mdi gid mdi md phun phut, tieu ton lit nude - Dung tich be chira nude (gdm nude sir dung va 30 %onirdc dy phdng): 20 in'' - Lugng dien sir dung cho mdy bam : 7,5 kW/ngay - Du toan chi phi cho xay lap cho km xir ly bui bang phun mua ty ddng la 27.000.000d Gia thiet kliau hao thiet bi 20 nam (tuong duong he thdng cap nude sinh boat) vdi mdi nam 250 boat ddng: 90 600 ddng /ngay/km So sanh vdi chi phi hien tai (Phdng Mdi trudng UBND Thi xa Udng Bi cung eip): Chi phi rieng cho xe phun nude tren cac doan dudng giao thdng md tii' md than Ean Thap vdi tdng sd chieu dai cac doan dudng xir li la 19 km la trieu ddng/ngay, tuong duong vdi 210 500 d/ngay/km Nhu vay vdi he thdng phun mua chong bui mat dudng ty ddng, cd thi tilt kiem dugc sd tien khoang 119 900 d/ngay (tren 50% chi phi hien tai) KET LUAN • Ket qua nghien ciru de xuat bien phap xir ly bui giao thdng md bing phuang phap phun mua tu ddng khdng lien tuc khac phuc nhirng nbugc diem ciia phuang phap diing xe phun nude va dat hieu qua kinh te-kT thuat cao (giam tren 50% chi phi so voi phuang phap diing xe phun nude hien tai); • He thdng cd thiet ke don gian, dl van banh, cd thi ap dung cho cac loai dudng giao thdng md cac khu vyc xay dyng co sd ting, cac khu vuc giao thdng dd thj Ngciy 7/8/2006, chu nhiem de tai da kit hgp vdi Sd KH-CN tinh Quang Ninh tl chirc hoi thao ve ket qua ciia de tai va da nhan dugc sy hudng irng rit tich eye tir Sd KH-CN va cac co sd cd nhu ciu xir ly bui nhu Phdng TN-MT UBND thi xa Udng Bi; Mo than ham Id Cira Ong ) TAI LIEU THAM KHAO Dl tai cap Vien KH-CN Viet Nam Vien KHVE chu tri: Nghien cuu xir ly nude thai tir cac md than viing Quang Ninh, 2004 - 2005 Chu nhiem: TS.Vii Thj Kim Tuyen De tai cap co sd (Vien KHVE) phdng CN Mdi trudng chii tri vl xir ly bui giao thong md 2006 Chu nhiem: TS Vu Thi Kim TuyIn 288 Tuyen tap bao cao ky niem 15 nam lap Vien Khoa hgc Vat lieu - Ha Noi, 6/2008 Flop ddng hgp tac nghien ciru KH-CN giira Vien KHVLK vdi Sd TN MT tinh Bic Ninh 2002 ve viec xir ly klndi thai cac Id gach thu cdng (khi SO2 va bui) Chu tri thuc hien: TS.Vii Thi Kim Tuyen LIgp ddng nghien cuu va trien khai cong nghe giira Vien KEIVE vdi Cdng ty TTSILIH kinh Viet LIung, Flung Yen ve viec xir ly khdi thai ciia nha may, luu lugng 36000 in'Vh Chii tri thyc hien: 'LS.Vii Thi Kim Tuyen Hgp ddng giira Vien KFIVL va Nha may dung cu co xuat khau, 2006 ve viec nghien cii'u va trien khai cdng nghe xir ly bui khau mai danh bdng cua xudng ma vdi 32 may mai lien tuc 289 ... lam viec du 8h va dugc nghi Chii nhat C TRAO DOI MQT SO KINH NGHIEM TRONG QUA TRINH TRIEN KHAI CONG NGHE: Qua trinh trien khai ap dung KLI-CN vao viec xir ly chat thai cdng nghiep d cite co sd... sau xir ly Can la lirng dung dich sau xir ly 339-411 534-690 86,7(*) 1018 Sau xu" ly 104-106 TCVN -2001 400 139-140 306 216 150 Chii thich: (*) Cd Idn nude sau xir li qua ngirang trdn Mot so hinh... trinh kinh tdng Gido sir Vien sy Nguyen Vdn Hieu nhdn dip Gido su Vien sy tuoi 2.3 Nhan xet: - Trong qua trinh boat ddng cua he thong xir ly, pH cac be chira dung dich trudc xu lyla 11 din 12;