Dye Chemicals Tshuaj Kho Dej Kho Dej Kho Tshuaj
Kev lag luam tshuaj pleev xim thoob ntiaj teb yog kwv yees li 233.438 billion yuan (kwv yees li 33 billion US las) hauv 2021. Nws tau kwv yees tias yuav loj hlob mus txog kwv yees li 290.263 billion yuan (kwv yees li 41 billion US dollars) los ntawm 2027, nrog rau qhov nruab nrab txhua xyoo kev loj hlob ntawm kwv yees li 3.5% nyob rau lub sijhawm kwv yees.
Lub ntiaj teb dyeing thiab tshuaj lom neeg kev lag luam encompasses organic thiab inorganic dyes thiab pigments siv nyob rau hauv ntau yam teb xws li textiles, tshuaj pleev ib ce, luam ntawv inks, thiab plastics. Nyob rau hauv xyoo tas los no, nrog rau kev kho dua tshiab ntawm kev siv, kev nce hauv cov kev xav tau ntawm tus kheej, thiab kev siv thev naus laus zis, kev lag luam zas xim tau txuas ntxiv nthuav dav. Nyob rau tib lub sijhawm, kev tswj hwm ib puag ncig nruj dua kuj tau ua rau cov tuam txhab hloov pauv mus rau kev coj noj coj ua ntsuab thiab muaj txiaj ntsig.
I. Txheej txheem cej luam ntawm cov neeg siv khoom rau Dye Chemical Wastewater Treatment
Cov neeg siv khoom tseem ceeb rau kev kho cov dej khib nyiab yog cov chaw lag luam (tshwj xeeb yog cov koom nrog hauv cov xim, luam ntawv thiab dyeing, thiab tshuaj lom neeg kev lag luam), nrog rau tsoomfwv cov chaw haujlwm, cov koom haum tiv thaiv ib puag ncig, thiab cov chaw tshawb fawb. Lawv qhov kev thov tseem ceeb yog los daws cov teeb meem ntawm kev ua kom tau raws li cov qauv kev tso tawm thiab kev siv cov peev txheej rau siab -xim thiab nyuaj- rau -degrade cov dej khib nyiab.
Kev lag luam dye chemical kev lag luam tsim cov dej khib nyiab vim kev siv ntau ntawm cov organic tshuaj, acids, bases, thiab additives thaum lub sij hawm tsim khoom. Cov dej khib nyiab no muaj cov yam ntxwv xws li cov xim siab, siab COD concentration, complex muaj pes tsawg leeg, thiab biodegradability tsis zoo, ua rau nws yog ib qho nyuaj rau - rau - kho cov dej khib nyiab. Nrog rau cov kev cai ib puag ncig nruj zuj zus, cov tuam txhab tau ntsib kev nyuaj siab los txo cov emissions, uas tau ua rau muaj kev xav tau zoo rau kev kho dej khib nyiab thev naus laus zis thiab kev pabcuam.
Cov duab ntawm dyeing thiab tshuaj ua kev lag luam
II. Kev kho dej khib nyiab rau Dye Chemical Industry Wastewater Sources
Raws li cov txheej txheem ntau lawm, cov dye chemical wastewater feem ntau yog los ntawm cov theem hauv qab no:
1. Cov cawv niam los ntawm crystallization ntawm cov khoom thiab cov khoom nruab nrab: Cov kua uas seem tom qab crystallization ntawm dyes los yog intermediates, muaj siab -concentration unreacted raw cov ntaub ntawv thiab los ntawm - cov khoom, nrog tsis tshua muaj kuab paug concentration.
2. Cov ntaub ntawv poob thaum lub sijhawm tsim khoom: xws li cov khoom xau lossis tsis hloov pauv tag nrho thaum lub sijhawm tshuaj tiv thaiv cov kauj ruam xws li sulfonation, nitration, diazotization, txo qis, oxidation, acid (ntsev) nag lossis daus, thiab lwm yam.
3. Cov khoom siv tu cov dej khib nyiab: Thaum lub sij hawm hloov khoom siv los yog tu, cov cuab yeej yuav tsum tau muab yaug, thiab cov dej khib nyiab tsim muaj cov xim seem, cov kuab tshuaj thiab cov catalysts.
4. Rhiav dej yaug hauv pem teb: Siv los ntxuav lub rhiav hauv pem teb, nqa cov ntaub ntawv nyoos, plua plav thiab cov dej seem.
5. Tshem tawm cov pa ntxuav dej: Txhawm rau tswj cov pa phem, cov dej khib nyiab tsim los ntawm kev txau thiab nqus cov organic lossis cov kua qaub hauv cov pa tawm.
Kev sib piv cov duab ntawm cov dej qias neeg thiab cov duab ntawm cov dej kho
III. Cov txheej txheem kho rau Dye Chemical Wastewater
Dye chemical wastewater muaj cov yam ntxwv ntawm COD siab, xim siab, siab ntsev cov ntsiab lus, complex muaj pes tsawg leeg, thiab nyuaj rau biodegradation vim nws ntau hom khoom thiab complex txheej txheem ntau lawm. Cov dej khib nyiab feem ntau muaj cov pa phem xws li cov khoom siv dyes, cov khoom nruab nrab, cov ntsev inorganic, cov hlau hnyav, thiab cov tshuaj tsw qab amines. Ib qho kev kho mob ib leeg feem ntau tsis muaj txiaj ntsig, thiab ntau cov txheej txheem yuav tsum tau ua ke rau kev sib koom tes.
1. Ua ntej- theem kho: Tshem tawm cov khoom loj thiab kev hloov dej zoo
Cov theem no ua rau muaj kev cuam tshuam ruaj khov rau kev kho mob tom ntej thiab feem ntau suav nrog:
Grate interception: Tshem tawm cov fibers, tshem tawm cov khib nyiab, thiab lwm yam, raws li cov khoom loj.
Sedimentation / Sludge settling tank: Tshem tawm cov xuab zeb hais thiab coarse suspended solids los ntawm lub ntiajteb txawj nqus sedimentation.
Equalization tank: Homogenization thiab sib npaug, kho pH mus rau qhov nruab nrab ntau yam (pH 6-8) kom tsis txhob muaj kev cuam tshuam los ntawm kev cuam tshuam rau cov txheej txheem tom ntej.
2. Kev kho lub cev / tshuaj lom neeg theem: txo cov xim thiab qee cov organic teeb meem
Rau qhov nyuaj -kom-degrade dye molecules, ua ntej decomposition los yog sib cais yog nqa tawm:
Coagulation-flocculation: Ntxiv cov ntsev hlau, txhuas ntsev, lossis polyaluminum chloride (PAC), ua rau cov colloids tsis ruaj khov thiab tsim flocs rau sedimentation.
Fenton oxidation method: Siv cov tshuaj tiv thaiv ntawm Fe²⁺ nrog H₂O₂ los tsim hydroxyl radicals, rhuav tshem cov azo daim ntawv cog lus (-N=N-) kom ua tiav decolorization thiab COD txo.
Advanced oxidation txheej txheem (AOPs): Xws li ozone oxidation, photocatalytic oxidation (TiO₂ / UV), electrochemical oxidation
3. theem kev kho mob lom neeg: Degradation ntawm biodegradable organic teeb meem
Siv cov tshuaj microbial metabolic kom txo qis COD:
Kev kho mob anaerobic: xws li UASB (Upflow Anaerobic Sludge Bed), hloov loj - cov khoom organic rau hauv me me - cov kua qaub molecule thiab methane nyob rau hauv cov xwm txheej anaerobic, txhim kho biodegradability.
Aerobic kev kho mob: xws li activated sludge txoj kev, hu rau oxidation tank, A / O txheej txheem, thiab lwm yam, qhov twg cov kab mob aerobic kiag li degrade organic teeb meem nyob rau hauv oxygen mov tej yam kev mob.
Hauv kev xyaum, kev sib xyaw ua ke ntawm "anaerobic + aerobic" feem ntau tau txais los txhim kho qhov kev tshem tawm tag nrho.
4. Kev kho mob tob: xyuas kom ua raws li cov qauv kev tso tawm lossis rov siv dua
Fine purification ntawm biochemical effluent:
Cov pa roj carbon activated adsorption: tshem tawm cov xim seem, tsw, thiab cov kab mob organic.
Membrane sib cais tshuab: suav nrog ultrafiltration (UF), rov qab osmosis (RO), rau kev sib sib zog nqus purification thiab rov siv dej.
MVR evaporation crystallization: Rau siab - cov dej khib nyiab ntsev, kom ua tiav cov peev txheej ntsev rov qab thiab ze rau - xoom paug.
Thiab lwm yam, txhawm rau rhuav tshem cov qauv ntawm cov tawv tawv organic.
Kev kho dej phwj tuaj flowchart
Cov dej khib nyiab muaj → Screen Grating Interception → Equalization Tank → Tshuaj Kho Mob → Anaerobic Biochemical Treatment → Aerobic Biochemical Treatment → Advanced Treatment → Reuse or Discharge
IV. Kev Kawm Tshwj Xeeb ntawm Dye Chemical Wastewater Treatment
I. Project Overview:
Lub npe qhov project: Kev tsim kho qhov dej phwj tuaj ntawm Yuhong Pigment Co., Ltd.
Qhov project cheeb tsam: 300㎡
Cov txheej txheem kho mob: Kho thiab ua ntej- aeration + Hydrolysis Acidification + A/O Biological Nitrogen tshem tawm + Cov txheej txheem kho Advanced
Theem Kho: Cov dej kho tau zoo raws li Qib A Standard 1
II. Kev phom sij ntawm Pigment Wastewater:
Pigment-txog dej khib nyiab yog ib qho teeb meem nyuaj hauv kev kho dej khib nyiab. Cov dej khib nyiab muaj cov pa phem xws li COD, SS, thiab roj av, thiab tsis tuaj yeem tso ncaj qha mus rau hauv dej. Nws kuj muaj cov yam ntxwv xws li acidity siab, siab COD, xim siab, thiab cov ntsiab lus ntsev siab, thiab muaj teeb meem xws li kev hloov pauv tseem ceeb hauv cov dej zoo thiab kom muaj nuj nqis nyob rau lub sijhawm. Raws li cov yam ntxwv no, txoj hauv kev zoo rau kev kho cov dej khib nyiab tam sim no suav nrog cov txheej txheem biochemical thiab lub cev - cov txheej txheem tshuaj.
III. Kev taw qhia txog qhov project (Cov dej khib nyiab):
Ib tug 20,000-tuj/xyoos dej-raws li kua coloring agent, UV curing number case, thiab pigment npaj ntau lawm txhawb 50m³/d dej phwj kho qhov project.
Lub tuam txhab feem ntau tsim cov organic pigments, suav nrog 40+ ntau yam hauv cov xim liab, txiv kab ntxwv, thiab daj xim series, thiab 100 formulations. Cov khoom siv dav siv hauv inks, xim, coatings, plastics, roj hmab, ntawv sau, luam ntawv xim pastes, thiab lwm yam lag luam. Cov ntaub ntawv dej nyoos: COD Tsawg dua lossis sib npaug li 2500mg / L, tag nrho cov qauv tso tawm: cov dej phwj tuaj rau hauv nroog cov dej phwj dej zoo C- theem tus qauv. Nitrogen Tsawg dua lossis sib npaug ntawm 150mg / L, ammonia nitrogen Tsawg dua lossis sib npaug li 100mg / L, SS Tsawg dua lossis sib npaug li 200mg / L.
IV. Kev piav qhia ntawm Guangbo Environmental Protection Treatment Process:
Cov dej khib nyiab tsim thaum lub sij hawm tsim cov khoom siv pigment yog loj, tab sis cov pa phem ntawm cov dej yog siab. Ua ke cov yam ntxwv ntawm cov dej khib nyiab, Guangbo Environmental Protection, raws li kev paub dhau los ntawm engineering hauv kev kho cov dej khib nyiab no, siv ntau yam -theem DN cov txheej txheem kev tshem tawm cov roj nitrogen zoo; tom qab ua ntej-kev kho thiab ntau-theem A/O, cov dej ntws tau raws li lub teb chaws thawj- theem kev tso tawm tus qauv, thiab tom qab ntawd nkag mus rau qhov kev hloov kho ua ntej- aeration + hydrolysis acidification chav tsev kom ua tiav cov kev xav tau rau re- siv cov dej khib nyiab.
V. Taw qhia txog GBDN Efficient Biological Nitrogen Tshem Tawm Tshuab:
GBDN tau txais kev siv roj ntsha nitrogen tshem tawm yog cov thev naus laus zis tsim los ntawm lub tuam txhab rau kev tshem tawm cov dej khib nyiab lom nitrogen. Cov thev naus laus zis no tau ua tiav hauv ntau yam kev kho dej khib nyiab engineering nrog cov ammonia nitrogen siab. Nws ua haujlwm ruaj khov thiab ntseeg tau. Nws muaj qhov zoo xws li COD siab, tag nrho cov nitrogen, thiab ammonia nitrogen tshem tawm efficiency, txo rov qab ntws, tsis muaj zog noj, muaj zog system poob siab, muaj zog adaptability ntawm sludge kab mob, txo sludge khoom khib nyiab kho nqi, me me pas dej ua ke ntim, thiab lwm yam.
VI. Qhov zoo ntawm Guangbo Environmental Protection Process:
Guangbo Environmental Protection tau paub ntau yam txheej txheem pob rau kev kho dej khib nyiab, anaerobic, aerobic, thiab kev kho mob tob. Tom qab kev kho dej khib nyiab, nws tuaj yeem ua tau raws li tus qauv siv rov qab siv dua. Nws yog kev lag luam, yooj yim, thiab tsis tshua muaj kev xav tau rau cov dej tsis zoo, cov txheej txheem kho yooj yim thiab cov khoom siv, kev ua haujlwm yooj yim, cov khoom siv me me, kev siv hluav taws xob tsawg, kev ua haujlwm ruaj khov thiab kev kho mob.
Chaw tsim tshuaj paus kev kho dej phwj tuaj - Guangbo Environmental Protection, nrog rau kev siv zog thiab kev teeb tsa thiab tom qab- muag lub zog, muaj nws tus kheej cov cuab yeej tsim khoom, tshwj xeeb hauv kev tsim ntau yam huab cua flotation thiab flotation cov cuab yeej, scraper thiab suction dredge machines, kauv centrifugal dewatering tshuab, multi{2}}media filters, separators, thiab lwm yam. Cov khoom siv dej phwj tuaj nruab thiab kev tsim kho thiab ntawm - chaw tsim khoom ntawm IC anaerobic tso tsheb hlau luam rau cov neeg siv khoom ncaj qha thiab cov tuam txhab tiv thaiv ib puag ncig.
