det nhuom qlmt dt kcn
TRANSCRIPT
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
1/21
TIU LUNMNHC QUNL MITRNG
TH& KHU CNGNGHIP
GVHD: PhanTh Phm Lp: 08MT112Nhm 2:1. Nguyn Nht Tin.2. Trn Quang Trung.3. NgTh Thy.4. Hunh Mnh Tun
TI:
NGNH DTNHUM
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
2/21
CC QU TRNH C BN TRONG CNGNGH DT NHUM
Ngnh cngnghip Dt - Nhum ang
pht trin mnh m ncta v lmt
trongnhngngnh cngnghip c trng
c nguyc nhim, gy ra cc tcng
xu nht nh i vi mi trngxung
quanh vsc kho cng ng, c bitl
do lng nc thi sn xut ln, c cha
nhiucc cht nhimv c , hu c v
kimloi nng.
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
3/21
VN MITRNG
Ccvn mitrngpht sinhtngnht nhum: Nc thi: cha nhiu loihacht, cmu
cao. Kh thi: cha hihacht s dngkhng qu
trnhnhum, khng kh ti xng dtc lng si bngl lngcaonh hng n sc khecngnhn.
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
4/21
Sy, cn lng,lm mm
Ko si H si Dt vi
X lacid, git
Ty trng Gi h Nu
Lmbng
Git Git Nhum,in hoa
Nguynliu
Gp, cun,ng kin
Snphm
QUY TRNHSN XUTNGNHDT NHUM
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
5/21
BNG1: NGUN GC NC THI
Cngon Cht nhimtrong nc thi c tnh ca ncthi
H si, gi h Tinh bt, glucoz, polyvinylalcol, nha, cht bo, sp,carboxy mety xenluloz.
BOD cao ( 34% - 50%
tng sn lng BOD).
Nu, ty NaOH, cht sp du m, tro,soda, silicat natri, x si vn.
kim cao, mu ti,BOD cao (30% tngBOD).
Ty trng Hipoclorit, hp cht cha clo,NaOH, axit, AOX. kimcao,chim 5% BOD.
Trch bng 11.1 Gio trnh Cng ngh x l nc thi bng bin php sinh hc NGD.
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
6/21
Trch bng11.1 Gio trnh Cngngh xl nc thi bng binphp sinhhcNXBGD.
Cng on Cht nhim trong nc thi c tnh ca nc thi
Nhum Cc loi thuc nhum, axit axetic
v cc mui kim loi.
mu rt cao, BODkh cao (6% BOD), TScao.
In Cht mu, tinh bt, du, t st,mui kim loi, axit..
mu cao, BOD cao(khong 20%) v dum
Hon thin Vt tinh bt, m ng vt, mui Kim nh, BOD thp.
BNG1: NGUN GC NC THI (tt)
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
7/21
X LNC THI V KHTHI
V nguyn l x l, nc thi dtnhum c th p dng cc
phng php sau:
- Phng php c hc.
- Phng php ha hc.
- Phng php ha l.
- Phng php sinh hc.
B lng
Baerotank
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
8/21
BNG2: THNGS C TRNG NHIM NC THI
ctnhsn phm n v
Hng bngdt thoi
Hng phadt kim Dt len Si
Nc thi m3 /tn vi 394 264 114 236
pH 8-11 9-10 9 9-11TS mg/l 400-1000 950-1380 420 800-1300BOD5 mg/l 70-135 90-220 120-130 90-130COD mg/l 150-380 230-500 400-450 210-230
mu Pt-Co 350-600 250-500 260-300 -
Trch bng11.3 Gio trnh Cngngh xl nc thi bng binphp sinhhcNXBGD.
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
9/21
BNG3:GI TR GII HN CC THNG S VNNG NHIM(QCVN 24:2009/BTNMT)
TT Thng s n v Gi tr C
A B1 pH - 6-9 5,5-9
2 Cht rn l lng(TSS) mg/l 50 1003 BOD5 (200C) mg/l 30 504 COD mg/l 50 1005 mu(Co-Pt pH = 7) - 20 70
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
10/21
Ta cth thyhmlng cht rntrongnc thi dt nhum
ln hn gp nhiu lnso viquy chuncho php. l dotp chttch rat x si, cccht bndnh vosi. kimcao lmtng pH ca nc. NupH > 9sgy
c hi i vi thytinh.
Htinh bt bintnh, ccloiacid, xt, NaOCl, cchp cht cha Nit , pht sinht quy trnhsn xutlm tng BOD, CODca ngun nc.
Thuc nhum d lm chonc thic mu cao gymu cho dngtip nhn.
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
11/21
Nc thi dt nhum chyra knh ThamLng, on phng ng Hng Thun, qun12 TPHCM.
( Ngunhttp://suckhoedinhduong.nld.com.vn, 22/3/2012
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
12/21
H thu SCR B iu ha B keo t to bng
B lng 1
B aerotank
B lng 2 Lc p lc Kh trng Ngun tip nhn
Ha cht
B cha bn
Myp bn
Bnhbn
Nc thi
QUY TRNH X L NC THINH MYDT NHUM.
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
13/21
KHTHI - Kh thi caNh myDt- Nhum ch yu tcc cngon xl nhit v xl hontthngdt. Cth nhn dinccngun thi hikh c nh sau:
+ Kh ClO(Cl2) bcra tkhuty trng va si bng ncJaven,+ Kh NO2 bcra tqu trnhnhum muvi thuc nhum loi"Indigosol".
+ Hp cht hu c bayhitrong in Pigment.+ Formandehyde: Trong in hoa pigment phi s dngcccht to mngktdnh (binder)hoc cht gnmu (fixer) dovy mt lng formandehydesthot ra mitrng. nhimkh SO
2, CO, NOx v bithantl hi.
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
14/21
Ting n: Ting n c trng cangnhdt- nhum ph thuc
vo th hmy mc vch yupht rat:
- Cc mydt, myct(theo nguyntc dp),
- Cmmynhum- git ty- ly tmvt nc vi,
- Lhi.
- c bitl ting nkh ngdo cc dng kh,hi vn chuyn lin tctrongng ng.
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
15/21
BNG 4: QUY CHUN K THUT QUC GIA V KH THI CNG NGHIP I VI BIV CC CHT V C (QCVN 19:2009/BTNMT)
TT Thngs Nng C(mg/Nm3)A B
1 Bi tng 400 2002 Lu hunh ioxit, SO2 1500 500
3 Hydro sunphua, H2S 7,5 7,54 Clo 32 105 Nit oxit, NOx (tnh theo NO2) 1000 8506 Nit oxit, NOx (c s sn xut ha cht),
tnh theo NO2 2000 1000
7 HiH2SO4 hocSO3, tnh theo SO3 100 508 Hi HNO3 (cc ngun khc), tnh theo
NO2 1000 500
9 Cacbon oxit, CO 1000 1000
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
16/21
X L KH THI gim thiu lngkh c hisinh ra
tcc qu trnhsn xut cn phic h
thnght kh tcc cngonsinh ra
kh c xl. Quy msn xut s quyt nh phng
phpxl.Vi nng tng i nh
ta cth chn phngn pht tn.Vi nng cccht c hitrong khng
kh lnthh thng xl kh thi trc
khi pht tn lrt cn thit.
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
17/21
Hnh :Thp hpthu kh thi tcc qu trnhnhum, ty trng.
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
18/21
Gio dc ngivn hnh my.
Bo m ch in, hi,nc,
M nc khi cyu cu.
Cng tc iu sn xut hp
l.Bo qunNVL
cn thn.
QUN L NIVI
GIM THI TINI PHT SINH
CI TINTHIT B
CI TINTHIT B
THAY I NGUYN LIU
THAY ICNG NGH
Ci to hthng tunhon nc.
Ci to kho bt bung
chng. Tu sa
ng ngr r.
Kim tra vicui mi
cng on. Gim lngct b viu cy.
Cn i msn xut vlng pha.
Chn chtcth kh tt.Cht git
H Men vi sinh
d h.
Thay mngngm nh,gim lng
x. B tr thit b thu hinc hiu
qu.
CCBINPHPGIM THIU CHT THI
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
19/21
CCBINPHPKIMSOT kimsot ccvn mitrngngnhdt nhum hiu quccthp dngcc binphp sau:
Tinhnhthc hin nhgi tcng mitrngkhimun thc hin dn.(quynhtheo Ngh nh s21/2008/N-CP).
Bt buc thc hincamkt bo vmitrng viccdn khng quynh trong Ngh nh s 21/2008/N-CP.
Thanh tra,kimtra ccc s , nh mydt nhum v vn mitrngv x phttheolut nh.
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
20/21
Khuynkhchthc hin h thngtiuchunISO 14000trong doanhnghipv pdngcngngh sn xut sch hncho nh my.
Quyhochv qunl cc nh mydt nhumsao chohpl gim thiutcng n ngun nc, mitrng sinh thi v dncsinhsngxung quanh nh my.
-
8/2/2019 Det Nhuom Qlmt Dt Kcn
21/21
XIN CMN S THEODICAC V CCBN