Mvura yakasviba yeindasitiri yemishonga inonyanya kusanganisira mvura yakasviba yekugadzira mishonga inorwisa mabhakitiriya uye mvura yakasviba yekugadzira mishonga inorwisa mabhakitiriya. Mvura yakasviba yeindasitiri yemishonga inonyanya kusanganisira mapoka mana: mvura yakasviba yekugadzira mishonga inorwisa mabhakitiriya, mvura yakasviba yekugadzira mishonga inorwisa mabhakitiriya, mvura yakasviba yekugadzira mishonga inorwisa mabhakitiriya yekuChina, mvura yekugeza uye mvura yakasviba yekugeza kubva mumabasa akasiyana-siyana ekugadzirira. Mvura yakasviba inoratidzwa nekuumbwa kwakaoma, huwandu hwakawanda hwezvinhu zvakasikwa, chepfu yakawanda, ruvara rwakadzama, huwandu hwakawanda hwemunyu, kunyanya hunhu husina kunaka hwemakemikari uye kubuda kwemvura nguva nenguva. Imvura yakasviba yeindasitiri yakaoma kurapa. Nekukura kweindasitiri yemishonga yenyika yangu, mvura yakasviba yemishonga zvishoma nezvishoma yave imwe yenzvimbo dzinokosha dzekusvibisa.
1. Nzira yekurapa mvura yakasviba yemishonga
Nzira dzekurapa mvura yakasviba yemishonga dzinogona kupfupikiswa seizvi: kurapwa nemakemikari emuviri, kurapwa nemakemikari, kurapwa nemakemikari uye kurapwa pamwe chete kwenzira dzakasiyana-siyana, nzira yega yega yekurapa ine zvayakanakira nezvayakaipira.
Kurapwa kwemuviri nemakemikari
Zvichienderana nehunhu hwemvura yemvura yakasviba inoshandiswa nemishonga, kurapwa nemakemikari kunofanirwa kushandiswa senzira yekurapa kana mushure mekurapa kwemakemikari. Nzira dziri kushandiswa pari zvino dzinosanganisira kuvharika kwemvura, kuyerera kwemhepo, kunyungudutsa mvura, kubvisa mvura kubva muamoniya, kubvisa electrolysis, kuchinjana kwemaion uye kupatsanurwa kwemembrane.
kuonda
Iyi tekinoroji inzira yekurapa mvura inoshandiswa zvakanyanya kumba nekune dzimwe nyika. Inoshandiswa zvakanyanya mukurapa mvura yakasviba yekurapa isati yatanga uye mushure mekurapa, senge aruminiyamu sulfate uye polyferric sulfate mumvura yakasviba yemishonga yechivanhu yeChinese. Chinhu chikuru chekurapa kwakasimba kwekuomesesa ndiko kusarudzwa kwakakodzera uye kuwedzerwa kwe coagulants ine mashandiro akanaka. Mumakore achangopfuura, nzira yekugadzirwa kwe coagulants yakachinja kubva pa low-molecular kuenda ku high-molecular polymers, uye kubva pa single-component kuenda ku composite functionalization [3]. Liu Minghua et al. [4] vakarapa COD, SS uye chromaticity ye waste liquid ne pH ye 6.5 uye flocculant dosage ye 300 mg/L ne composite flocculant F-1 ine high-efficiency. Kubviswa kwemvura kwaive 69.7%, 96.4% uye 87.5%, zvichiteerana.
kuyerera kwemhepo
Kufamba kwemhepo kunowanzo sanganisira nzira dzakasiyana siyana dzakadai sekutenderera kwemhepo, kutenderera kwemhepo yakanyungudutswa, kutenderera kwemhepo yemakemikari, uye kutenderera kwemhepo yemagetsi. Xinchang Pharmaceutical Factory inoshandisa mudziyo weCAF vortex air flotation kurapa mvura yakasviba yemishonga. Avhareji yekubvisa COD inenge 25% nemakemikari akakodzera.
nzira yekunyudza
Zvinonyanya kushandiswa zvinosanganisa adsorbents activated carbon, activated coal, humic acid, adsorption resin, nezvimwewo. Wuhan Jianmin Pharmaceutical Factory inoshandisa coal ash adsorption - nzira yechipiri yekurapa mvura yakasviba. Zvakabuda zvakaratidza kuti COD removal rate ye adsorption pretreatment yaive 41.1%, uye BOD5/COD ratio yakavandudzika.
Kuparadzaniswa kwemembrane
Tekinoroji dzeMembrane dzinosanganisira reverse osmosis, nanofiltration uye fiber membranes kuti iwane zvinhu zvinobatsira uye kuderedza kuburitswa kwezvinhu zvipenyu. Zvinhu zvikuru zvetekinoroji iyi zvishandiso zviri nyore, kushanda zviri nyore, hapana shanduko yechikamu uye shanduko yemakemikari, kushanda zvakanaka kwekugadzira uye kuchengetedza simba. Juanna nevamwe vakashandisa nanofiltration membranes kuparadzanisa mvura yakasviba yecinnamycin. Zvakaonekwa kuti mhedzisiro yekudzivirira yelincomycin patupukanana turi mumvura yakasviba yakaderedzwa, uye cinnamycin yakadzorerwa.
electrolysis
Nzira iyi ine zvakanakira zvekushanda zvakanaka, kushanda zviri nyore nezvimwewo, uye mhedzisiro yekubvisa ruvara rwemagetsi yakanaka. Li Ying [8] akaita electrolytic pretreatment pa riboflavin supernatant, uye mwero wekubvisa COD, SS ne chroma wakasvika 71%, 83% uye 67%, zvichiteerana.
kurapwa kwemakemikari
Kana nzira dzemakemikari dzichishandiswa, kushandiswa zvakanyanya kwemamwe ma reagents kunogona kukonzera kusvibiswa kwemvura. Saka, basa rekutsvaga rekuyedza rinofanira kuitwa usati wagadzira. Nzira dzemakemikari dzinosanganisira nzira yesimbi-kabhoni, nzira yemakemikari ye redox (Fenton reagent, H2O2, O3), tekinoroji ye deep oxidation, nezvimwewo.
Nzira yesimbi kabhoni
Kushanda kwemaindasitiri kunoratidza kuti kushandisa Fe-C sedanho rekutanga rekurapa mvura yakasviba yemishonga kunogona kuvandudza zvikuru kuora kwemvura yakasviba. Lou Maoxing inoshandisa iron-micro-electrolysis-anaerobic-aerobic-air flotation treatment pamwe chete kurapa mvura yakasviba yemishonga yakaita se erythromycin ne ciprofloxacin. Mwero wekubvisa COD mushure mekurapa nesimbi nekabhoni waive 20% %, uye mvura yakasviba yekupedzisira inoenderana nechiyero chenyika che "Integrated Wastewater Discharge Standard" (GB8978-1996).
Kugadziriswa kweFenton's reagent
Musanganiswa wemunyu wesimbi neH2O2 unonzi Fenton's reagent, iyo inogona kubvisa zvinobudirira zvinhu zvinoramba kuchena zvisingabviswe netekinoroji yekurapa mvura yakasviba yechinyakare. Nekuwedzera kwekutsvaga, chiedza cheultraviolet (UV), oxalate (C2O42-), nezvimwewo zvakaunzwa muFenton's reagent, izvo zvakawedzera zvakanyanya kugona kweoxidation. Kushandisa TiO2 sechinokonzeresa uye rambi remercury re9W low-pressure senzvimbo yechiedza, mvura yakasviba yemishonga yakagadziriswa neFenton's reagent, chiyero chekubvisa ruvara chaive 100%, chiyero chekubvisa COD chaive 92.3%, uye nitrobenzene compound yakaderera kubva pa8.05mg/L. 0.41 mg/L.
Kuoxidation
Nzira iyi inogona kuvandudza kuora kwemvura yakasviba uye ine mwero uri nani wekubviswa kweCOD. Semuenzaniso, mvura nhatu dzemishonga inorwisa mabhakitiriya dzakadai seBalcioglu dzakarapwa ne ozone oxidation. Zvakabuda zvakaratidza kuti ozonation yemvura yakasviba haina kungowedzera chiyero cheBOD5/COD chete, asiwo mwero wekubviswa kweCOD waiva pamusoro pe75%.
Tekinoroji ye oxidation
Inozivikanwawo se tekinoroji yepamusoro ye oxidation, inobatanidza mhedzisiro yekutsvagisa kwechiedza chemazuva ano, magetsi, ruzha, magnetism, zvinhu nezvimwe zvakafanana, zvinosanganisira electrochemical oxidation, wet oxidation, supercritical water oxidation, photocatalytic oxidation uye ultrasonic degradation. Pakati pazvo, tekinoroji ye ultraviolet photocatalytic oxidation ine zvakanakira zvechitsva, kushanda zvakanaka, uye kusasarudza mvura yakasviba, uye inonyanya kukodzera kuora kwemahydrocarbon asina kuguta. Zvichienzaniswa nenzira dzekurapa dzakadai semwaranzi ye ultraviolet, kupisa, uye kumanikidzwa, kurapwa kwe ultrasonic kwezvinhu zvakasikwa kwakananga uye kunoda michina mishoma. Semhando itsva yekurapa, kutarisisa kwakawanda kwakapihwa. Xiao Guangquan et al. [13] vakashandisa nzira ye ultrasonic-aerobic biological contact kurapa mvura yakasviba yemishonga. Kurapa kwe Ultrasonic kwakaitwa kwemasekondi makumi matanhatu uye simba raive 200 w, uye huwandu hwese hweCOD removal water wasture hwaive 96%.
Kurapa kwemakemikari emuviri
Tekinoroji yekurapa nemakemikari inyanzvi inoshandiswa zvakanyanya mukurapa mvura yakasviba, kusanganisira nzira ye aerobic biological, nzira ye anaerobic biological, uye nzira ye aerobic-anaerobic combined.
Kurapa kweAerobic Biological
Sezvo mvura zhinji yemishonga ine tsvina yakawanda yeorganic, zvinowanzo dikanwa kuti mvura iyi isanganiswe nemvura ye organic panguva yekurapwa kwe aerobic biological. Saka, simba rinoshandiswa zvakanyanya, mvura yakasviba inogona kurapwa ne biology, uye zvakaoma kuiburitsa zvakananga kusvika padanho repamusoro mushure mekurapwa ne biochemical. Saka, kushandisa aerobic chete. Kune mishonga mishoma iripo uye kurapwa kwakajairika kunodiwa. Nzira dzinowanzo shandiswa dzekurapa ne aerobic biological 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, nezvimwewo. (CASS method) nezvimwewo.
Nzira yekufefetedza mvura mutsime rakadzika
Kupinda kwemvura mutsime rakadzika inzira inoshanda nekukurumidza. Nzira iyi ine mwero wekushandiswa kweokisijeni yakawanda, nzvimbo diki pasi, mhedzisiro yakanaka yekurapa, mari shoma yekudyara, mari shoma yekushanda, hapana kuunganidzwa kwemvura mutsime uye kugadzirwa kwemvura mutsime kushoma. Pamusoro pezvo, mhedzisiro yayo yekudzivirira kupisa yakanaka, uye kurapwa hakukanganisirwe nemamiriro ekunze, izvo zvinogona kuve nechokwadi chekuti mvura yetsvina yechando inoshanda zvakanaka munzvimbo dzekuchamhembe. Mushure mekunge mvura yakasviba yakawanda kubva kuNortheast Pharmaceutical Factory yagadziriswa nemakemikari netangi remvura yetsvina rakadzika, mwero wekubvisa COD wakasvika 92.7%. Zvinogona kuonekwa kuti kushanda zvakanaka kwekugadzirisa kwakakwira zvikuru, izvo zvinobatsira zvikuru pakugadzirisa kunotevera.
Nzira yeAB
Nzira yeAB inzira yekubvisa tsvina ine mutoro wakanyanya. Mwero wekubvisa BOD5, COD, SS, phosphorus uye ammonia nitrogen nemaitiro eAB unowanzo kuve wakakwira kupfuura wemaitiro echinyakare ekubvisa tsvina. Zvakanakira zvayo zvikuru mutoro wakawanda wechikamu cheA, simba rakasimba rekudzivirira kuvhunduka, uye buffering effect huru pa pH uye zvinhu zvine chepfu. Yakanyanya kukodzera kurapa tsvina ine huwandu hwakawanda uye shanduko huru mumhando yemvura nehuwandu. Nzira yaYang Junshi et al. inoshandisa nzira yehydrolysis acidification-AB biological kurapa mvura yakasviba inorwisa mabhakitiriya, iyo ine kufamba kwenguva pfupi, kuchengetedza simba, uye mutengo wekurapa wakaderera pane nzira yekurapa yemakemikari flocculation-biological yemvura yakasviba yakafanana.
oxidation yekubatana kwezvisikwa
Tekinoroji iyi inosanganisa zvakanakira nzira yetsvina yakabatidzwa uye nzira yebiofilm, uye ine zvakanakira zvekuremerwa kwakanyanya, kugadzirwa kwetsvina shoma, kuramba kusimba kwemhedzisiro, kushanda kwakasimba kwemaitiro uye manejimendi ari nyore. Mapurojekiti mazhinji anoshandisa nzira ine matanho maviri, nechinangwa chekusimudzira mhando dzinotonga pamatanho akasiyana, kupa mukana wakazara kusimbaradzano pakati pemarudzi akasiyana ehutachiona, uye kuvandudza mhedzisiro yebiochemical uye kuramba kushamisika. Muinjiniya, kugaya kweanaerobic uye acidification zvinowanzo shandiswa sedanho rekutanga kurapwa, uye nzira yekubata oxidation inoshandiswa kurapa mvura yakasviba yemishonga. Harbin North Pharmaceutical Factory inoshandisa hydrolysis acidification-matanho maviri ekuita oxidation yebiological yekubata oxidation yekurapa mvura yakasviba yemishonga. Mhedzisiro yekushanda inoratidza kuti mhedzisiro yekurapa yakagadzikana uye musanganiswa wemaitiro unonzwisisika. Nekukura zvishoma nezvishoma kwetekinoroji yemaitiro, minda yekushandisa yakakurawo.
Nzira yeSBR
Nzira yeSBR ine zvakanakira zvekudzivirira kuvhunduka kwakanyanya, kushanda kwakanyanya kwetsvina, chimiro chiri nyore, hapana chikonzero chekudzokera shure, kushanda kunochinjika, nzvimbo diki, mari shoma, kushanda kwakasimba, kukurumidza kubviswa kwesubstrate, uye kuchenesa kwakanaka uye kubviswa kwephosphorus. . Mvura yakasviba inochinja-chinja. Kuedza pakurapa mvura yakasviba yemishonga nemaitiro eSBR kunoratidza kuti nguva yekufema ine simba guru pamhedzisiro yekurapa kwemaitiro acho; kugadzwa kwezvikamu zvisina oksijeni, kunyanya dhizaini yakadzokororwa yeanaerobic ne aerobic, kunogona kuvandudza zvakanyanya mhedzisiro yekurapa; kurapwa kwakawedzerwa kweSBR kwePAC Maitiro acho anogona kuvandudza zvakanyanya mhedzisiro yekubvisa yesystem. Mumakore achangopfuura, maitiro acho ave akakwana uye anoshandiswa zvakanyanya mukurapa mvura yakasviba yemishonga.
Kurapwa kweAnaerobic Biological
Parizvino, kurapwa kwemvura yakasviba yakawanda inosanganiswa nemakemikari kumba nekune dzimwe nyika kunonyanya kuenderana nenzira isina mweya, asi mvura inobuda mumhepo (COD) ichiri yakakwira mushure mekurapwa nenzira yakasiyana isina mweya, uye kurapwa mushure mekurapwa (senge kurapwa kwe aerobic biological) kunowanzo dikanwa. Parizvino, zvichiri kudiwa kusimbisa Kugadzirwa nekugadzirwa kwezvigadziriso zvine simba zve anaerobic, uye tsvakiridzo yakadzama pamusoro pemamiriro ekushanda. Mashandisirwo anobudirira zvikuru mukurapa mvura yakasviba mumishonga ndeaya: Upflow Anaerobic Sludge Bed (UASB), Anaerobic Composite Bed (UBF), Anaerobic Baffle Reactor (ABR), hydrolysis, nezvimwewo.
Mutemo weUASB
Iyo UASB reactor ine mabhenefiti ekushanda zvakanaka kwekugaya pasina anaerobic, chimiro chiri nyore, nguva pfupi yekuchengetedza hydraulic, uye hapana chikonzero chemudziyo wakasiyana wekudzosera tsvina. Kana UASB ikashandiswa pakurapa kanamycin, chlorin, VC, SD, glucose nedzimwe mvura dzakasvibiswa dzinogadzirwa nemishonga, huwandu hweSS hahuwanzo kukwirira zvakanyanya kuti ive nechokwadi chekuti huwandu hweCOD hunobva hwapfuura 85% kusvika 90%. Huremu hweCOD hunobva muzvikamu zviviri zveUASB hunogona kusvika kupfuura 90%.
Nzira yeUBF
Tenga Wenning nevamwe. Bvunzo yekuenzanisa yakaitwa paUASB neUBF. Mhedzisiro yacho inoratidza kuti UBF ine hunhu hwekufambisa nekuparadzanisa huremu hwakanaka, mhando dzakasiyana dzebiomass nebiological, kushanda zvakanaka kwekugadzirisa, uye kugadzikana kwakasimba kwekushanda. Oxygen bioreactor.
Kunyungudika kwemvura (hydrolysis) uye acidization
Tangi rehydrolysis rinonzi Hydrolyzed Upstream Sludge Bed (HUSB) uye iUASB yakagadziriswa. Kana ichienzaniswa netangi re anaerobic rakazara, tangi rehydrolysis rine zvakanakira zvinotevera: hapana chikonzero chekuvhara, hapana kusanganisa, hapana three-phase separator, izvo zvinoderedza mari uye zvinoita kuti kugadzirisa kuve nyore; rinogona kushatisa macromolecules nezvinhu zvisingaorike zviri mutsvina kuita mamorekuru madiki. Zvinhu zvipenyu zvinoora zviri nyore kuita kuti mvura isina kucheneruka iore; reaction inokurumidza, huwandu hwetangi hushoma, mari yekuvaka capital ishoma, uye huwandu hwetsvina hunoderera. Mumakore achangopfuura, maitiro ehydrolysis-aerobic ave achishandiswa zvakanyanya mukurapa mvura yakasviba yemishonga. Semuenzaniso, fekitori ye biopharmaceutical inoshandisa hydrolytic acidification-two-stage biological contact oxidation process kurapa mvura yakasviba yemishonga. Kushanda kwacho kwakasimba uye mhedzisiro yekubvisa organic matter inoshamisa. Mwero wekubvisa COD, BOD5 SS neSS waive 90.7%, 92.4% uye 87.6%, zvichiteerana.
Maitiro ekurapa pamwe chete kweAnaerobic-aerobic
Sezvo kurapwa kwe aerobic kana kurapwa kwe anaerobic chete kusingakwanise kuzadzisa zvinodiwa, maitiro akabatanidzwa akadai se anaerobic-aerobic, hydrolytic acidification-aerobic treatment inovandudza kuora kwe biogradability, impact resistance, mari yekudyara uye treatment effect yemvura yakasviba. Inoshandiswa zvakanyanya muinjiniya nekuda kwekushanda kwe single processing method. Semuenzaniso, fekitori yemishonga inoshandisa anaerobic-aerobic process kurapa mishonga yakasviba, BOD5 removal rate i98%, COD removal rate i95%, uye treatment effect yakagadzikana. Micro-electrolysis-anaerobic hydrolysis-acidification-SBR process inoshandiswa kurapa mishonga yakasviba yakagadzirwa nemakemikari. Mhedzisiro yacho inoratidza kuti nhevedzano yese yemaitiro ine simba rakasimba rekudzivirira shanduko mumhando yemvura yakasviba nehuwandu, uye COD removal rate inogona kusvika 86% kusvika 92%, inova sarudzo yakanaka yekurapa mishonga yakasviba. - Catalytic Oxidation - Contact Oxidation Process. Kana COD yemushonga iri pa12 000 mg/L, COD yemvura inobuda inenge iri pasi pe300 mg/L; mwero wekubviswa kweCOD mumvura inorapwa nemishonga inorapwa nenzira yebiofilm-SBR unogona kusvika 87.5% ~ 98.31%, iyo yakanyanya kupfuura iyo inoshandiswa kamwe chete. Mugumisiro wekurapa nzira yebiofilm uye nzira yeSBR.
Pamusoro pezvo, nekuvandudzwa kuri kuitwa tekinoroji ye membrane, tsvakiridzo yekushandiswa kwe membrane bioreactor (MBR) mukurapa mvura yakasviba yemishonga yakawedzera zvishoma nezvishoma. MBR inosanganisa hunhu hwe membrane separation technology uye biological treatment, uye ine mabhenefiti ehuwandu hwakawanda hwemutoro, simba rekudzivirira kukanganiswa, diki footprint, uye sludge shoma. Maitiro e anaerobic membrane bioreactor akashandiswa kurapa mishonga yakasviba ye intermediate acid chloride ne COD ye25 000 mg/L. Mwero wekubvisa COD wesystem unoramba uri pamusoro pe90%. Kekutanga, kugona kwemabhakitiriya kusvibisa zvinhu zvakasikwa kwakashandiswa. Extractive membrane bioreactors inoshandiswa kurapa mvura yakasviba yeindasitiri ine 3,4-dichloroaniline. HRT yaive maawa maviri, mwero wekubvisa wakasvika 99%, uye mhedzisiro yakanaka yekurapa yakawanikwa. Pasinei nedambudziko rekusvibiswa kwe membrane, nekuvandudzwa kuri kuitwa tekinoroji ye membrane, MBR ichashandiswa zvakanyanya mumunda wekurapa mishonga yakasviba yemishonga.
2. Maitiro ekurapa uye kusarudzwa kwemvura yakasviba yemishonga
Hunhu hwemvura yemvura yakasviba yemishonga hunoita kuti zvisakwanise kuti mvura yakawanda yakasviba yemishonga irapwe yoga, saka kurapwa kunofanirwa kuitwa usati washandisa mishonga yemakemikari. Kazhinji, tangi rinotonga rinofanira kugadzirwa kuti rigadzirise hunhu hwemvura uye pH, uye nzira yefizikisi kana yemakemikari inofanira kushandiswa senzira yekurapa zvichienderana nemamiriro ezvinhu chaiwo kuderedza SS, munyu uye chikamu cheCOD mumvura, kuderedza zvinhu zvinodzivirira zvipenyu mumvura yakasviba, uye kuvandudza kuora kwemvura yakasviba.
Mvura yakasviba yakacheneswa kare inogona kugadziriswa nemaitiro asina aerobic uye aerobic zvichienderana nehunhu hwemvura. Kana zvinodiwa zvemvura yakasviba zvakanyanya, maitiro ekurapa aerobic anofanira kuenderera mberi mushure memaitiro ekurapa aerobic. Kusarudzwa kwemaitiro chaiwo kunofanirwa kufunga zvakadzama nezvezvinhu zvakaita semhando yemvura yakasviba, mhedzisiro yekurapa kwemaitiro acho, mari inoshandiswa muzvivakwa, uye mashandiro nekugadzirisa kuti tekinoroji iyi iite uye isingadhuri. Nzira yese yemaitiro aya inzira yekubatanidza kurapa-anaerobic-aerobic-(mushure mekurapa). Maitiro ekubatanidza hydrolysis adsorption-contact oxidation-filtration anoshandiswa kurapa mvura yakasviba yemishonga ine insulin yekugadzira.
3. Kudzokorodza uye kushandisa zvinhu zvinobatsira mumvura yakasviba yemishonga
Kurudzira kugadzirwa kwakachena muindasitiri yemishonga, kuvandudza mwero wekushandiswa kwezvinhu zvakagadziriswa, mwero wekudzoka kwezvigadzirwa zvepakati nezvigadzirwa, uye kuderedza kana kubvisa kusvibiswa mukugadzirwa kuburikidza nekushandurwa kwetekinoroji. Nekuda kwehunhu hwemamwe maitiro ekugadzira mishonga, mvura yakasviba ine huwandu hwakawanda hwezvinhu zvinogona kudzokororwa. Pakurapa mvura yakasviba yakadaro yemishonga, danho rekutanga nderekusimbisa kudzokororwa kwezvinhu uye kushandiswa kwakazara. Kune mvura yakasviba yemishonga ine huwandu hweammonium salt hwakakwira kusvika 5% kusvika 10%, firimu remupumburu rakagadzika rinoshandiswa kuburitsa mvura, kuomesa uye kugadzira crystallization kuti idzore (NH4)2SO4 neNH4NO3 ine huwandu hwe30%. Shandisa sefetereza kana kushandisazve. Mabhenefiti ehupfumi ari pachena; kambani yemishonga yepamusoro inoshandisa nzira yekuchenesa mvura yakasviba yekugadzira ine huwandu hwakawanda hweformaldehyde. Mushure mekunge gasi reformaldehyde rawanikwa, rinogona kugadzirwa kuita formalin reagent kana kupiswa senzvimbo yekupisa yeboiler. Kuburikidza nekudzoreredzwa kwe formaldehyde, kushandiswa kwenguva refu kwezviwanikwa kunogona kuwanikwa, uye mari yekudyara panzvimbo yekurapa inogona kuwanikwa mukati memakore mana kusvika mashanu, zvichiratidza kubatana kwezvibatsiro zvezvakatipoteredza uye mabhenefiti ehupfumi. Zvisinei, kuumbwa kwemvura yakasviba yemishonga kwakaoma, kwakaoma kudzokorodza, maitiro ekudzoreredza akaoma, uye mutengo wakakwira. Saka, tekinoroji yepamusoro uye inoshanda yekurapa tsvina ndiyo kiyi yekugadzirisa zvachose dambudziko retsvina.
4 Mhedziso
Kwave nemishumo yakawanda pamusoro pekurapa mvura yakasviba yemishonga. Zvisinei, nekuda kwekusiyana kwezvinhu zvakagadzirwa uye maitiro ari muindasitiri yemishonga, mhando yemvura yakasviba inosiyana zvakanyanya. Nokudaro, hapana nzira yakakura uye yakabatana yekurapa mvura yakasviba yemishonga. Nzira yekusarudza nzira yekurapa inoenderana nehunhu hwemvura yakasviba. Zvichienderana nehunhu hwemvura yakasviba, kurapwa kwekutanga kunowanzo dikanwa kuti mvura yakasviba iore, kutanga kubvisa tsvina, uye wozosanganiswa nekurapa kwemakemikari. Parizvino, kugadzirwa kwemuchina wekurapa mvura wakabatana usingadhuri uye unoshanda idambudziko guru rinofanira kugadziriswa.
FekitoriMakemikari eChinaAnionic PAM Polyacrylamide Cationic Polymer Flocculant, Chitosan, Chitosan Powder, mushonga wemvura yekunwa, mushonga wekubvisa ruvara wemvura, dammac, diallyl dimethyl ammonium chloride, dicyandiamide, dcda, defoamer, antifoam, pac, poly aluminium chloride, polyaluminium, polyelectrolyte, pam, polyacrylamide, polydadmac, pdadmac, polyamine, Isu hatingogumiri pakupa mhando yepamusoro kune vatengi vedu chete, asi chinonyanya kukosha ndechekuti mupi wedu mukuru pamwe nemutengo wekutengesa wakasimba.
ODM Factory China PAM, Anionic Polyacrylamide, HPAM, PHPA, Kambani yedu iri kushanda nepfungwa yekushanda yekuti "yakavakirwa pakuvimbika, kushandira pamwe, kushandira pamwe kwevanhu, kushandira pamwe kunopa vose mubairo". Tinovimba kuti tinogona kuva nehukama hune hushamwari nemabhizinesi kubva kumativi ese epasi.
Zvakatorwa kubva kuBaidu.
Nguva yekutumira: Nyamavhuvhu-15-2022