Indasitiri yemishonga mvura yetsvina inonyanya kusanganisira kugadzirwa kwemishonga inouraya mvura yetsvina uye yekugadzira zvinodhaka kugadzira tsvina. Indasitiri yemishonga mvura yetsvina inonyanya kusanganisira zvikamu zvina: kugadzirwa kwemishonga inouraya mvura yetsvina, yekugadzira zvinodhaka kugadzira mvura yetsvina, Chinese patent mushonga kugadzira mvura yetsvina, kugeza mvura uye kugeza mvura yetsvina kubva kwakasiyana maitiro ekugadzirira. Mvura yakasviba inoratidzwa nekuumbwa kwakaoma, yakakwira organic content, yakakwira toxicity, yakadzika ruvara, yakakwira munyu, kunyanya hurombo hwebiochemical zvimiro uye kuyerera kwepakati. Imvura yetsvina yeindasitiri yakaoma kurapa. Nekuvandudzwa kweindasitiri yemishonga yenyika yangu, mvura yetsvina yemishonga zvishoma nezvishoma yave imwe yenzvimbo dzakakosha dzekusvibisa.
1. Kurapa nzira yemishonga yemarara
Nzira dzekurapa dzemishonga yemvura yakasviba inogona kupfupikiswa se: kurapwa kwemakemikari emuviri, kurapwa kwemakemikari, kurapwa kwebiochemical uye kurapwa kwekubatanidza nzira dzakasiyana-siyana, imwe neimwe nzira yekurapa ine zvayakanakira nezvayakaipira.
Kurapa kwepanyama uye kwemakemikari
Zvinoenderana nehunhu hwemhando yemvura yemvura yetsvina yemishonga, kurapwa kwephysicochemical kunofanirwa kushandiswa senge pre-kurapwa kana post-kurapwa maitiro ekurapwa kwebiochemical. Iyo parizvino inoshandiswa yemuviri uye yemakemikari nzira dzekurapa kunyanya dzinosanganisira coagulation, mhepo flotation, adsorption, ammonia stripping, electrolysis, ion exchange uye membrane kupatsanurwa.
coagulation
Iyi tekinoroji inzira yekurapa mvura inoshandiswa zvakanyanya kumba nekune dzimwe nyika. Inoshandiswa zvakanyanya mukutanga kurapwa uye mushure-kurapwa kwemvura yetsvina yekurapa, senge aluminium sulfate uye polyferric sulfate mune yechinyakare Chinese mushonga tsvina mvura. Kiyi yekurapa kwakaringana coagulation ndiko kusarudzwa kwakaringana uye kuwedzera kwecoagulants nekuita kwakanakisa. Mumakore achangopfuura, nzira yekusimudzira ye coagulants yachinja kubva pakaderera-molecular kuenda kune yakakwira-molecular polymers, uye kubva kune imwechete-chikamu kuenda kucomposite functionalization [3]. Liu Minghua et al. [4] yakabata COD, SS uye chromaticity yemarara emvura ine pH ye6.5 uye flocculant dosage ye 300 mg / L ine yakakwirira-inoshanda composite flocculant F-1. Mari yekubvisa yaive 69.7%, 96.4% uye 87.5%, zvichiteerana.
kuyerera kwemhepo
Kuyerera kwemhepo kunowanzo sanganisira dzakasiyana siyana senge aeration mhepo flotation, yakanyungudika mhepo flotation, makemikari air flotation, uye electrolytic air flotation. Xinchang Pharmaceutical Factory inoshandisa CAF vortex air flotation mudziyo kupretreat mishonga inorasa mvura. Avhareji yekubvisa chiyero cheCOD inenge 25% nemakemikari akakodzera.
adsorption nzira
Anowanzo shandiswa adsorbents ari activated kabhoni, activated marasha, humic acid, adsorption resin, etc. Wuhan Jianmin Pharmaceutical Factory anoshandisa marasha dota adsorption - yechipiri aerobic biological kurapwa nzira kurapa tsvina. Mhedzisiro yacho yakaratidza kuti COD yekubvisa mwero we adsorption pretreatment yaive 41.1%, uye iyo BOD5 / COD ratio yakagadziridzwa.
Membrane kupatsanurwa
Membrane matekinoroji anosanganisira reverse osmosis, nanofiltration uye fiber membranes kudzoreredza zvinhu zvinobatsira uye kuderedza kuburitsa kwese kwehupenyu. Iwo makuru maficha eiyi tekinoroji zvishandiso zviri nyore, kushanda kuri nyore, hapana shanduko yechikamu uye shanduko yemakemikari, kukwirira kwekugadzirisa uye kuchengetedza simba. Juanna et al. akashandisa nanofiltration membranes kuparadzanisa cinnamycin tsvina yemvura. Zvakaonekwa kuti inhibitory effect yelincomycin pazvipembenene mumvura ine tsvina yakaderedzwa, uye cinnamycin yakadzorerwa.
electrolysis
Iyo nzira ine zvakanakira kushanda kwepamusoro, kushanda kuri nyore uye zvakafanana, uye iyo electrolytic decolorization mhedzisiro yakanaka. Li Ying [8] akaita electrolytic pretreatment pariboflavin supernatant, uye kubviswa kweCOD, SS uye chroma kwakasvika 71%, 83% uye 67%, zvichiteerana.
makemikari kurapwa
Kana nzira dzemakemikari dzichishandiswa, kunyanya kushandiswa kwemamwe mareagents kunogona kukonzera kusvibiswa kwechipiri kwemitumbi yemvura. Naizvozvo, basa rakakodzera rekutsvagisa rekuyedza rinofanira kuitwa risati ragadzirwa. Kemikari nzira dzinosanganisira iron-kabhoni nzira, makemikari redox nzira (Fenton reagent, H2O2, O3), yakadzika oxidation tekinoroji, nezvimwe.
Iron carbon nzira
Kushanda kwemaindasitiri kunoratidza kuti kushandisa Fe-C sedanho rekutanga kugadzirira mvura yetsvina yemishonga kunogona kuvandudza zvakanyanya kuorera kwetsvina. Lou Maoxing anoshandisa iron-micro-electrolysis-anaerobic-aerobic-air flotation yakasanganiswa kurapwa kurapa tsvina yemishonga yepakati seyerythromycin uye ciprofloxacin. Iyo COD yekubvisa mwero mushure mekurapwa nesimbi uye kabhoni yaive 20%. %, uye tsvina yekupedzisira inoenderana nerudzi rwekutanga-kirasi mwero we "Integrated Wastewater Discharge Standard" (GB8978-1996).
Fenton's reagent processing
Iko kusanganiswa kweferrous munyu uye H2O2 kunonzi Fenton's reagent, iyo inogona kunyatso bvisa refractory organic matter iyo isingakwanise kubviswa neyakajairwa tsvina yemvura tekinoroji. Nekudzika kwekutsvagisa, ultraviolet mwenje (UV), oxalate (C2O42-), nezvimwewo zvakaunzwa muFenton's reagent, iyo yakawedzera zvakanyanya kugona oxidation. Uchishandisa TiO2 sechinhu chinokonzeresa uye 9W low-pressure mercury rambi sechiedza, mvura yetsvina yemishonga yakagadziriswa neFenton reagent, decolorization rate yaive 100%, iyo COD yekubvisa rate yaive 92.3%, uye iyo nitrobenzene compound yakadzikira kubva pa8.05mg /L. 0.41 mg/L.
Oxidation
Iyo nzira inogona kuvandudza biodegradability yetsvina yemvura uye ine nani yekubvisa mwero weCOD. Semuyenzaniso, matatu emvura yakaraswa inorwisa mabhakitiriya akadai seBalcioglu akabatwa neozone oxidation. Mhedzisiro yacho yakaratidza kuti ozonation yemvura yakasviba haina kungowedzera BOD5 / COD ratio, asiwo iyo COD yekubvisa chiyero yaive pamusoro pe75%.
Oxidation tekinoroji
Iyo inozivikanwawo seyepamusoro oxidation tekinoroji, inounza pamwe chete yazvino tsvakiridzo mhedzisiro yechiedza chemazuva ano, magetsi, ruzha, magineti, zvishandiso uye zvimwe zvakafanana dzidziso, zvinosanganisira electrochemical oxidation, wet oxidation, supercritical mvura oxidation, photocatalytic oxidation uye ultrasonic degradation. Pakati pavo, ultraviolet photocatalytic oxidation tekinoroji ine mabhenefiti ehutsva, hunyanzvi hwepamusoro, uye hapana kusarudzika kumvura yakaraswa, uye inonyanya kukodzera kushatiswa kweunsaturated hydrocarbons. Kuenzaniswa nemaitiro ekurapa akadai se ultraviolet mwaranzi, kudziyisa, uye kudzvanywa, ultrasonic kurapwa kwe organic matter kwakananga uye kunoda kushoma michina. Sorudzi rutsva rwokurapa, ngwariro yakawanda zvikuru yakabhadharwa. Xiao Guangquan et al. [13] akashandisa ultrasonic-aerobic biological contact method kurapa mishonga yetsvina yemvura. Ultrasonic kurapwa yakaitwa kwe60 s uye simba raive 200 w, uye iyo yakazara COD yekubvisa mwero wemvura yakasviba yaive 96%.
Biochemical kurapwa
Biochemical treatment tekinoroji ndiyo inoshandiswa zvakanyanya mishonga yekurapa tsvina tekinoroji, inosanganisira aerobic biological nzira, anaerobic biological nzira, uye aerobic-anaerobic yakasanganiswa nzira.
Aerobic biological treatment
Sezvo yakawanda yemvura yetsvina yemishonga iri yakakwira-yakadzika organic tsvina, zvinowanzo fanira kunyungudutsa stock solution panguva ye aerobic biological kurapwa. Naizvozvo, mashandisirwo emagetsi akakura, mvura yetsvina inogona kurapwa biochemically, uye zvinonetsa kuburitsa zvakananga kusvika kune yakajairwa mushure mekurapwa kwebiochemical. Naizvozvo, kushandisa aerobic chete. Pane marapiro mashoma aripo uye pretreatment yakajairika inodiwa. Inowanzo shandiswa aerobic biological treatment nzira dzinosanganisira activated sludge method, deep well aeration method, adsorption biodegradation method (AB method), contact oxidation method, sequencing batch batch activated sludge method (SBR method), circulating activated sludge method, etc. (CASS nzira) uye zvichingodaro.
Yakadzika zvakanaka aeration nzira
Yakadzika mutsime aeration ndeyekumhanya-inomhanyisa activated sludge system. Iyo nzira ine yakakwira okisijeni yekushandiswa mwero, diki pasi nzvimbo, yakanaka kurapwa maitiro, yakaderera mari, yakaderera mutengo wekushandisa, hapana sludge bulking uye kushoma kugadzirwa kwematope. Uye zvakare, iyo yekupisa yekupisa mhedzisiro yakanaka, uye kurapwa hakukanganiswe nemamiriro ekunze, ayo anogona kuve nechokwadi chekuita kwechando chekuchenesa tsvina munzvimbo dzekuchamhembe. Mushure meiyo yakanyanya-concentration organic tsvina kubva kuNortheast Pharmaceutical Factory yakagadziriswa biochemically neyakadzika tsime aeration tank, iyo COD yekubvisa mwero wakasvika 92.7%. Zvinogona kuoneka kuti kugadzirisa kushanda kwakakwira zvakanyanya, izvo zvinobatsira zvakanyanya kune inotevera kugadzirisa. tamba basa chairo.
AB nzira
Iyo AB nzira ndeye Ultra-yakakwirira-mutoro activated sludge nzira. Mwero wekubvisa weBOD5, COD, SS, phosphorus uye ammonia nitrogen neAB muitiro unowanzo kukwirira kupfuura weyakajairwa activated sludge process. Mabhenefiti ayo akatanhamara ndeyekuremerwa kwechikamu cheA, iyo yakasimba anti-shock mutoro simba, uye yakakura buffering mhedzisiro pane pH kukosha uye chepfu zvinhu. Inonyanya kukodzera kurapa tsvina nepamusoro-soro uye kuchinja kukuru muhutano hwemvura uye huwandu. Nzira yeYang Junshi et al. inoshandisa iyo hydrolysis acidification-AB biological nzira yekurapa mvura yetsvina inorwisa mabhakitiriya, ine nzira pfupi yekuyerera, kuchengetedza simba, uye mutengo wekurapa wakaderera pane kemikari flocculation-biological kurapwa nzira yetsvina yakafanana.
biological kusangana oxidation
Iyi tekinoroji inosanganisa mabhenefiti eiyo activated sludge nzira uye biofilm nzira, uye ine zvakanakira yeakakwira vhoriyamu mutoro, yakaderera sludge kugadzirwa, yakasimba kukanganisa kuramba, yakagadzikana mashandiro uye manejimendi ari nyore. Mapurojekiti mazhinji anotora nzira ine-matanho maviri, achivavarira kubata madhiriji akakura pamatanho akasiyana, kupa mutambo wakazara kune synergistic mhedzisiro pakati pehuwandu hwehutachiona hwakasiyana, uye kugadzirisa biochemical mhedzisiro uye kushomeka kuramba. Muinjiniya, anaerobic digestion uye acidification inowanzo shandiswa sedanho rekutanga, uye nzira yekubata oxidation inoshandiswa kurapa tsvina yemishonga. Harbin North Pharmaceutical Factory inotora hydrolysis acidification-two-stage biological contact oxidation process yekurapa mishonga tsvina yemvura. Mhedzisiro yekushanda inoratidza kuti kurapwa kwakagadzikana uye kusanganiswa kwemaitiro kunonzwisisika. Nekukura zvishoma nezvishoma kweiyo process tekinoroji, iyo minda yekushandisa zvakare yakawedzera
SBR nzira
Iyo SBR nzira ine mabhenefiti eiyo yakasimba kuvhunduka mutoro kuramba, yakakwira sludge basa, chimiro chakareruka, hapana chikonzero chekudzokera shure, flexible operation, small footprint, low investment, stable operation, high substrate kubvisa rate, uye yakanaka denitrification uye phosphorus kubvisa. . Kuchinja-chinja kwemvura yetsvina. Miedzo pamusoro pekurapa kwemishonga yemvura yakasvibiswa neSBR maitiro inoratidza kuti nguva yeaeration ine simba guru pamusoro pehutano hwekugadzirisa maitiro; kugadzika kwezvikamu zveanoxic, kunyanya kudzokororwa kwakadzokororwa kweanaerobic uye aerobic, kunogona kuvandudza zvakanyanya maitiro ekurapa; iyo SBR yakagadziridzwa kurapwa kwePAC Iyo nzira inogona kuvandudza zvakanyanya kubviswa kweiyo system. Mumakore achangopfuura, maitiro acho akawedzera uye akakwana uye anoshandiswa zvakanyanya mukurapa mvura yetsvina yemishonga.
Anaerobic Biological Treatment
Parizvino, kurapwa kwepamusoro-concentration organic tsvina kumba nekune dzimwe nyika kunonyanya kuenderana neanaerobic nzira, asi effluent COD ichiri yakakwira mushure mekurapwa nenzira yakaparadzana yeanaerobic, uye mushure mekurapwa (senge aerobic biological treatment) kazhinji. zvinodiwa. Parizvino, zvichiri kudikanwa kusimbisa Kubudirira uye dhizaini yepamusoro-inoshanda anaerobic reactors, uye zvakadzama tsvakurudzo pamusoro pemamiriro ekushanda. Zvishandiso zvinonyanya kubudirira mukurapa mvura yetsvina yemishonga ndeyeUpflow Anaerobic Sludge Bed (UASB), Anaerobic Composite Bed (UBF), Anaerobic Baffle Reactor (ABR), hydrolysis, nezvimwe.
UASB Act
Iyo UASB reactor ine mabhenefiti epamusoro anaerobic digestion kunyatsoita, chimiro chakareruka, pfupi hydraulic retention nguva, uye hapana chikonzero cheyakasiyana sludge kudzorera mudziyo. Kana UASB ichishandiswa mukurapa kanamycin, chlorin, VC, SD, glucose uye mamwe mishonga yekugadzira tsvina yemvura, iyo SS yemukati kazhinji haina kunyanya kukwirisa kuona kuti COD yekubvisa mwero uri pamusoro pe85% kusvika 90%. Iyo COD yekubvisa mwero weiyo-matanho maviri akateedzana UASB inogona kusvika kupfuura 90%.
UBF nzira
Tenga Wenning et al. Muedzo wekufananidza wakaitwa paUASB neUBF. Mhedzisiro yacho inoratidza kuti UBF ine hunhu hwekufambiswa kwehuwandu hwakanaka uye kupatsanurwa maitiro, akasiyana biomass uye zvipenyu zvipenyu, kukwirira kwekugadzirisa, uye kusimba kwekushanda kwakasimba. Oxygen bioreactor.
Hydrolysis uye acidification
Iyo hydrolysis tank inonzi Hydrolyzed Upstream Sludge Bed (HUSB) uye yakagadziridzwa UASB. Kuenzaniswa ne-full-process anaerobic tank, iyo hydrolysis tank ine zvinotevera zvakanakira: hapana chikonzero chekuisa chisimbiso, hapana kubvongodza, hapana-pase-phase separator, iyo inoderedza mari uye inobatsira kuchengetedza; inogona kusvibisa macromolecules uye isiri-biodegradable organic zvinhu mutsvina kuita mamorekuru madiki. Izvo zviri nyore biodegradable organic matter inovandudza biodegradability yemvura mbishi; maitiro anokurumidza, tangi vhoriyamu idiki, mari yekuvaka capital idiki, uye sludge vhoriyamu inoderedzwa. Mumakore achangopfuura, iyo hydrolysis-aerobic maitiro yakashandiswa zvakanyanya mukurapa kwemishonga tsvina yemvura. Semuenzaniso, fekitori yebiopharmaceutical inoshandisa hydrolytic acidification-two-stage biological contact oxidation process kurapa mvura yetsvina yemishonga. Kushanda kwacho kwakagadzikana uye organic nyaya yekubvisa maitiro inoshamisa. Kubvisa mitengo yeCOD, BOD5 SS uye SS yaiva 90.7%, 92.4% uye 87.6%, maererano.
Anaerobic-aerobic yakasanganiswa kurapwa maitiro
Sezvo kurapa aerobic kana anaerobic kurapwa chete kusingagone kuzadzisa zvinodiwa, maitiro akasanganiswa akadai seanaerobic-aerobic, hydrolytic acidification-aerobic kurapwa inovandudza biodegradability, kukanganisa kuramba, mari yekudyara uye maitiro ekurapa kwemvura yetsvina. Inoshandiswa zvakanyanya mukuita engineering nekuda kwekuita kweimwe nzira yekugadzirisa. Semuenzaniso, fekitari yemishonga inoshandisa anaerobic-aerobic nzira yekurapa mvura yakasvibiswa yemishonga, iyo BOD5 yekubvisa chiyero ndeye 98%, COD yekubvisa chiyero ndeye 95%, uye kurapa kwakagadzikana. Micro-electrolysis-anaerobic hydrolysis-acidification-SBR maitiro anoshandiswa kurapa makemikari ekugadzira mishonga yetsvina. Mhedzisiro yacho inoratidza kuti iyo yese nhevedzano yemaitiro ine simba rakasimba rekupokana nekuchinja kwemhando yemvura yetsvina uye huwandu, uye mwero wekubvisa COD unogona kusvika 86% kusvika 92%, inova sarudzo yakanaka yekurapwa kwemvura yetsvina yemishonga. - Catalytic Oxidation - Bata Oxidation Maitiro. Kana COD yeanofurira inenge 12 000 mg/L, COD yetsvina iri pasi pe300 mg/L; chiyero chekubvisa COD mumvura yakasvibiswa yebiologically refractory inobatwa ne biofilm-SBR nzira inogona kusvika 87.5% ~ 98.31%, iyo yakakwirira kudarika iyo yekushandiswa kumwe chete Kurapa maitiro e biofilm nzira uye SBR nzira.
Pamusoro pezvo, nekuenderera mberi kwekuvandudza tekinoroji yemembrane, tsvakiridzo yekushandiswa kwe membrane bioreactor (MBR) mukurapa kwemvura yetsvina yemishonga yakadzika zvishoma nezvishoma. MBR inosanganisa hunhu hwemembrane separation tekinoroji uye kurapwa kwebiological, uye ine zvakanakira zvekuremedza vhoriyamu, kusimba kwakasimba kupikisa, kutsika kwetsoka, uye kushoma kusara kwematope. Iyo anaerobic membrane bioreactor process yakashandiswa kurapa mushonga wepakati acid chloride tsvina ine COD ye25 000 mg/L. Iyo COD yekubvisa mwero weiyo system inoramba iri pamusoro pe90%. Kekutanga, kugona kwekusungirira mabhakitiriya kusvibisa chaiwo organic matter kwakashandiswa. Extractive membrane bioreactors inoshandiswa kurapa tsvina yeindasitiri ine 3,4-dichloroaniline. Iyo HRT yaive 2 h, chiyero chekubvisa chakasvika 99%, uye yakanakira kurapwa maitiro yakawanikwa. Pasinei nedambudziko rekusvibisa membrane, nekuenderera mberi kwekuvandudza tekinoroji yemembrane, MBR ichave ichishandiswa zvakanyanya mumunda wekurapa tsvina yemishonga.
2. Nzira yekurapa uye kusarudzwa kwemvura yakasviba yemishonga
Hunhu hwemhando yemvura yemvura yetsvina yemishonga inoita kuti zvisaite kuti mvura yakawanda yetsvina yemishonga iite kurapwa kwebiochemical yoga, saka pretreatment inodiwa inofanira kuitwa isati yaitwa biochemical treatment. Kazhinji, tangi rekutonga rinofanira kugadzikwa kuti rigadzirise kunaka kwemvura uye pH kukosha, uye iyo physicochemical kana kemikari nzira inofanirwa kushandiswa senge pretreatment process zvinoenderana nemamiriro chaiwo ekudzikisa SS, salinity uye chikamu cheCOD mumvura, kuderedza. iyo biological inhibitory zvinhu mumvura yetsvina, uye inovandudza kuparara kwemvura yakasviba. kufambisa iyo inotevera biochemical kurapwa kwetsvina.
Iyo yakateyiwa yakaraswa mvura inogona kurapwa neanaerobic uye aerobic maitiro zvinoenderana neayo emhando yemvura maitiro. Kana iyo inoyerera inodiwa yakakwira, iyo aerobic kurapwa maitiro inofanirwa kuenderera mberi mushure meiyo aerobic kurapwa maitiro. Kusarudzwa kweiyo chaiyo maitiro kunofanirwa kunyatso tarisa zvinhu zvakaita sechimiro chemvura yetsvina, mabatirwo anoitwa maitiro, kudyara muzvivakwa, uye mashandiro uye kugadzirisa kuti tekinoroji igoneke uye ine mari. Iyo yese nzira nzira inzira yakasanganiswa yepretreatment-anaerobic-aerobic-(post-kurapa). Iyo yakasanganiswa maitiro ehydrolysis adsorption-contact oxidation-filtration inoshandiswa kurapa yakazara mishonga yetsvina yemvura ine artificial insulin.
3. Kudzokorodza uye kushandiswa kwezvinhu zvinobatsira mumvura yemarara yemishonga
Kurudzira kugadzirwa kwakachena muindasitiri yemishonga, kunatsiridza mwero wekushandiswa kwezvinhu zvakabikwa, huwandu hwakakwana hwekudzoreredza hwezvepakati zvigadzirwa uye ne-zvigadzirwa, uye kuderedza kana kubvisa kusvibiswa mukugadzira kuburikidza neshanduko yetekinoroji. Nekuda kwekusarudzika kwemamwe maitiro ekugadzira mishonga, mvura yetsvina ine huwandu hukuru hwezvinhu zvinogona kushandiswazve. Pakurapa kwemvura yakasviba yemishonga yakadai, danho rekutanga nderekusimbisa kupora kwezvinhu uye kushandiswa kwakazara. Kune mishonga yemvura yakasvibiswa yepakati neammonium salt content yakakwira kusvika pa5% kusvika ku10%, firimu yakagadziriswa wiper inoshandiswa pakuputira, kuisa pfungwa uye crystallization kupora (NH4) 2SO4 uye NH4NO3 ine chikamu chikuru che30%. Shandisa sefotereza kana kushandisazve. Kubatsira kwehupfumi kuri pachena; kambani yemishonga yemhando yepamusoro inoshandisa nzira yekuchenesa kubata mvura yetsvina yekugadzira ine yakakwira zvakanyanya formaldehyde. Mushure mekunge iyo formaldehyde gasi yadzoserwa, inogona kugadzirwa kuita formalin reagent kana kupiswa senge boiler yekupisa sosi. Kuburikidza nekudzoreredzwa kwe formaldehyde, kushandiswa kwakasimba kwezviwanikwa kunogona kuitika, uye mutengo wekudyara wechiteshi chekurapa unogona kudzoserwa mukati memakore mana kusvika mashanu, uchiona kubatanidzwa kwezvakatipoteredza uye mabhenefiti ehupfumi. Nekudaro, kuumbwa kweyakajairwa mvura yetsvina yemishonga yakaoma, yakaoma kudzokorora, maitiro ekudzoreredza akaomarara, uye mutengo wakakwira. Naizvozvo, yepamusoro uye inoshanda yakazara sewage treatment tekinoroji ndiyo kiyi yekugadzirisa zvachose dambudziko retsvina.
4 Mhedziso
Pakave nemishumo yakawanda pamusoro pekurapwa kwemvura yetsvina yemishonga. Nekudaro, nekuda kwekusiyana kwezvinhu zvakabikwa uye maitiro muindasitiri yemishonga, mhando yemvura yetsvina inosiyana zvakanyanya. Naizvozvo, hapana nzira yakura uye yakabatana yekurapa mvura yetsvina yemishonga. Ndeipi nzira yekusarudza inoenderana nemvura yetsvina. nature. Zvinoenderana nehunhu hwemvura yetsvina, pretreatment inowanzodikanwa kuvandudza biodegradability yemvura yakasviba, kutanga kubvisa zvinosvibisa, uyezve kusanganisa nekurapa kwebiochemical. Parizvino, kugadzirwa kwemudziyo wezvehupfumi uye unoshanda wakasanganiswa wekuchenesa mvura idambudziko rekukurumidzira kugadziriswa.
FactoryChina ChemicalAnionic PAM Polyacrylamide Cationic Polymer Flocculant, Chitosan, Chitosan Powder, kurapwa kwemvura yekunwa, mvura decoloring agent, dadmac, diallyl dimethyl ammonium chloride, dicyandiamide, dcda, defoamer, antifoam, pac, poly aluminum chloride, polyelectrolymamide, pamidhi, polyelectrolyte , pdadmac, polyamine, Isu hatingoendese iwo emhando yepamusoro kune vatengi vedu, asi zvakatonyanya kukosha ndiye mupi wedu mukuru pamwe nemutengo wekutengesa ane hukasha.
ODM Factory China PAM, Anionic Polyacrylamide, HPAM, PHPA, Kambani yedu iri kushanda nemusimboti wekushanda we "kutendeseka-kwakavakirwa, kushandira pamwe kwakagadzirwa, vanhu vanotariswa, vanokunda-kuhwina kubatana". Tinovimba tinogona kuva nehukama hwehushamwari nemuzvinabhizimisi kubva kumativi ose enyika.
Yakatorwa kubva kuBaidu.
Nguva yekutumira: Aug-15-2022