Det Nhuom Qlmt Dt Kcn

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


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.


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.


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


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.


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)


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


8/21

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.


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


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.


11/21

Nc thi dt nhum chyra knh ThamLng, on phng ng Hng Thun, qun12 TPHCM.

( Ngunhttp://suckhoedinhduong.nld.com.vn, 22/3/2012


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.


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.


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.


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


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.


17/21

Hnh :Thp hpthu kh thi tcc qu trnhnhum, ty trng.


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


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.


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.


21/21

XIN CMN S THEODICAC V CCBN

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