Nyocha zuru oke nke teknụzụ mmiri mkpofu ọgwụ

Ụlọ ọrụ na-emepụta ọgwụ na-agụnye mmiri mkpofu na-agụnye ọgwụ nje na-emepụta mmiri nsị na mmepụta mmiri ọgwụ sịntetik. Ụlọ ọrụ na-emepụta ọgwụ na-agụnye akụkụ anọ: mmiri mmiri na-emepụta ọgwụ nje, mmepụta mmiri na-emepụta ọgwụ sịntetik, mmepụta ọgwụ patent nke China, mmiri ịsacha mmiri na ịsacha mmiri na-ekpo ọkụ site na usoro nkwadebe dị iche iche. A na-eji mmiri mkpofu mara ihe mgbagwoju anya, ihe dị elu nke organic, oke nsi, agba miri emi, nnu dị elu, karịsịa ihe na-adịghị mma biochemical na nkwụsịtụ oge. Ọ bụ mmiri mkpofu ụlọ ọrụ nke siri ike ịgwọ. Site na mmepe nke ụlọ ọrụ ọgwụ nke mba m, mmiri mkpofu ọgwụ ejirila nke nta nke nta bụrụ otu n'ime isi mmalite mmetọ dị mkpa.

1. Usoro ọgwụgwọ nke mmiri mkpofu ọgwụ

Enwere ike ịchịkọta usoro ọgwụgwọ nke mmiri mkpofu ọgwụ dị ka: ọgwụgwọ kemịkalụ anụ ahụ, ọgwụgwọ kemịkalụ, ọgwụgwọ biochemical na ọgwụgwọ nke ụzọ dị iche iche, usoro ọgwụgwọ ọ bụla nwere uru na ọghọm ya.

Ọgwụgwọ anụ ahụ na kemịkal

Dị ka àgwà mmiri nke mmiri mkpofu ọgwụ si dị, ọ dị mkpa ka a na-eji ọgwụgwọ physicochemical mee ihe dị ka usoro ọgwụgwọ tupu oge ma ọ bụ usoro ọgwụgwọ maka ọgwụgwọ biochemical. Ụzọ ọgwụgwọ anụ ahụ na nke kemịkal a na-eji ugbu a gụnyere coagulation, ikuku flotation, adsorption, amonia ewepụsị, electrolysis, mgbanwe ion na akpụkpọ ahụ.

coagulation

Nkà na ụzụ a bụ usoro ọgwụgwọ mmiri nke a na-ejikarị eme ihe n'ụlọ na ná mba ọzọ. A na-eji ya eme ihe na tupu ọgwụgwọ na ọgwụgwọ ọgwụgwọ nke mmiri mmiri ọgwụ, dị ka aluminom sulfate na polyferric sulfate na mmiri ọgwụ ndị China omenala. Isi ihe na-eme ka ọgwụgwọ coagulation dị mma bụ nhọrọ ziri ezi na mgbakwunye nke coagulant nwere arụmọrụ dị mma. N'afọ ndị na-adịbeghị anya, ntụziaka mmepe nke coagulant agbanweela site na obere-molecular gaa na polymers dị elu, na site na otu akụkụ gaa na arụ ọrụ mejupụtara [3]. Liu Minghua et al. [4] mesoro COD, SS na chromaticity nke mmiri mkpofu na pH nke 6.5 yana usoro flocculant nke 300 mg/L nwere nnukwu arụmọrụ mejupụtara flocculant F-1. Ọnụego mwepụ ahụ bụ 69.7%, 96.4% na 87.5%, n'otu n'otu.

ikuku flotation

Ikuku flotation n'ozuzu na-agụnye ụdị dị iche iche dị ka aeration ikuku flotation, mgbaze ikuku flotation, kemịkal ikuku flotation, na electrolytic ikuku flotation. Ụlọ ọrụ Xinchang Pharmaceutical Factory na-eji ngwaọrụ CAF vortex ikuku flotation na-edozi mmiri ọgwụ ọgwụ. Nkezi ọnụego mwepụ nke COD bụ ihe dịka 25% nwere kemịkalụ dabara adaba.

usoro mgbasa ozi

Ndị adsorbents ndị a na-ejikarị eme ihe na-arụ ọrụ carbon, coal na-arụ ọrụ, humic acid, resin adsorption, wdg. Wuhan Jianmin Pharmaceutical Factory na-eji coal ash adsorption - usoro ọgwụgwọ ikuku nke abụọ na-agwọ mmiri na-ekpofu mmiri. Nsonaazụ gosiri na ọnụ ọgụgụ mwepu COD nke adsorption pretreatment bụ 41.1%, na ọkwa BOD5/COD ka emelitere.

Nkewa nke membrane

Teknụzụ membrane gụnyere reverse osmosis, nanofiltration na fiber membranes iji nwetaghachi ihe bara uru ma belata ihe ọkụkụ n'ozuzu ya. Isi ihe dị na teknụzụ a bụ ngwa dị mfe, ọrụ dị mma, enweghị mgbanwe mgbanwe na mgbanwe kemịkalụ, nrụpụta ọrụ dị elu na nchekwa ike. Juanna et al. ejiri nanofiltration membranes kewaa mmiri mkpofu cinnamycin. Achọpụtara na mmetụta mgbochi nke lincomycin na microorganisms dị na mmiri na-ekpofu belatara, ma nwetaghachi cinnamycin.

electrolysis

Usoro ahụ nwere uru nke arụmọrụ dị elu, ọrụ dị mfe na ihe ndị yiri ya, na mmetụta decolorization electrolytic dị mma. Li Ying [8] mere pretreatment electrolytic na riboflavin supernatant, na ọnụego mwepụ nke COD, SS na chroma ruru 71%, 83% na 67% n'otu n'otu.

ọgwụgwọ ọgwụ

Mgbe a na-eji ụzọ kemịkal eme ihe, iji ụfọdụ reagents eme ihe gabiga ókè nwere ike ịkpata mmetọ nke abụọ nke ahụ mmiri. Ya mere, a ghaghị ime ọrụ nyocha nyocha dị mkpa tupu imewe. Ụzọ kemịkalụ gụnyere usoro ígwè-carbon, usoro redox kemịkalụ (Fenton reagent, H2O2, O3), teknụzụ oxidation miri emi, wdg.

Iron carbon usoro

Ọrụ mmepụta ihe na-egosi na iji Fe-C mee ihe dị ka usoro ọgwụgwọ maka mmiri mkpofu ọgwụ nwere ike imeziwanye biodegradaability nke nsị. Lou Maoxing na-eji ígwè-micro-electrolysis-anaerobic-aerobic-air flotation ọgwụgwọ jikọtara ọnụ iji gwọọ mmiri mkpofu nke etiti ọgwụ dị ka erythromycin na ciprofloxacin. Ọnụego mwepụ COD mgbe ejiri ígwè na carbon gwọọ ya bụ 20%. %, na nsị ikpeazụ na-akwado ụkpụrụ klaasị mbụ nke mba nke "Integrated Wastewater Discharge Standard" (GB8978-1996).

Nhazi nke Fenton reagent

Nchikota nke nnu ferrous na H2O2 ka a na-akpọ Fenton's reagent, nke nwere ike wepụ ihe ndị na-emegharị ahụ nke ọma nke na-enweghị ike iwepụ site na nkà na ụzụ ọgwụgwọ mmiri ozuzo. Site na mmụba nke nyocha, ọkụ ultraviolet (UV), oxalate (C2O42-), wdg ka ewebatara n'ime reagent Fenton, nke mere ka ikike oxidation dịkwuo mma. Iji TiO2 dị ka ihe na-akpali akpali na 9W ọkụ mercury dị ala dị ka isi iyi ọkụ, a na-eji Fenton reagent na-edozi mmiri ọgwụ ọgwụ, ọnụ ọgụgụ decolorization bụ 100%, ọnụ ọgụgụ COD na-ewepụ bụ 92.3%, na nitrobenzene compound na-ebelata site na 8.05mg. /L. 0.41 mg/L.

Oxidation

Usoro a nwere ike imeziwanye biodegradability nke mmiri mkpofu ma nwee ọnụego mwepụ nke COD ka mma. Dịka ọmụmaatụ, ozone oxidation gwọkwara mmiri ọgwụ nje atọ dị ka Balcioglu. Nsonaazụ gosiri na ozonation nke mmiri mkpofu abụghị naanị na ọ na-abawanye ogo BOD5/COD, mana ọ na-ewepu COD karịa 75%.

Teknụzụ oxidation

A makwaara dị ka nkà na ụzụ oxidation dị elu, ọ na-ejikọta ọnụ ọgụgụ nyocha kachasị ọhụrụ nke ìhè nke oge a, ọkụ eletrik, ụda, magnetism, ihe na usoro ndị ọzọ yiri ya, gụnyere electrochemical oxidation, wet oxidation, supercritical water oxidation, photocatalytic oxidation and ultrasonic deradation. N'ime ha, ultraviolet photocatalytic oxidation technology nwere uru nke ọhụrụ, arụmọrụ dị elu, na enweghị nhọrọ na mmiri na-ekpofu mmiri, ọ dịkwa mma karịsịa maka mmebi nke hydrocarbons unsaturated. E jiri ya tụnyere usoro ọgwụgwọ dị ka ụzarị ultraviolet, kpo oku, na nrụgide, ọgwụgwọ ultrasonic nke ihe ndị dị ndụ na-aga n'ihu ma na-achọ obere ngwá ọrụ. Dị ka ụdị ọgwụgwọ ọhụrụ, a na-akwụkwu nlebara anya. Xiao Guangquan et al. [13] ejiri ụzọ ultrasonic-aerobic biological contact contact mee ihe iji gwọọ mmiri mkpofu ọgwụ. A na-eme ọgwụgwọ Ultrasonic maka 60 s na ike dị 200 w, na mkpokọta COD mwepụ nke mmiri mkpofu bụ 96%.

Ọgwụgwọ biochemical

Teknụzụ ọgwụgwọ biochemical bụ teknụzụ ọgwụgwọ mmiri mkpofu ọgwụ nke a na-ejikarị, gụnyere usoro ndu ikuku, usoro ihe ndụ anaerobic, yana usoro aerobic-anaerobic jikọtara ọnụ.

Aerobic ndu ọgwụgwọ

Ebe ọ bụ na ihe ka ọtụtụ n'ime mmiri mkpofu ọgwụ bụ mmiri mkpofu organic na-etinye uche dị ukwuu, ọ na-adịkarị mkpa ịgbanye ngwọta ngwaahịa n'oge ọgwụgwọ ikuku ikuku. Ya mere, oriri ike dị ukwuu, a pụrụ ịgwọta mmiri na-ekpofu mmiri na biochemically, ọ na-esikwa ike ịpụpụta ya ozugbo na ọkọlọtọ mgbe ọgwụgwọ biochemical gasịrị. Ya mere, aerobic eji naanị. Enwere ọgwụgwọ ole na ole dị, a na-achọkwa ọgwụgwọ izugbe. Usoro ọgwụgwọ ihe ndị dị ndụ nke aerobic a na-ejikarị na-agụnye usoro sludge na-arụ ọrụ, usoro miri emi nke ọma, usoro mgbasa ozi biodegradation (AB method), usoro kọntaktị oxidation, sequencing batch batch sludge method (SBR method), na-ekesa usoro sludge na-arụ ọrụ, wdg. (usoro CASS) na ihe ndị ọzọ.

Usoro ikuku dị omimi

Igwe ikuku miri emi bụ sistemu sludge na-arụ ọrụ ngwa ngwa. Usoro ahụ nwere ọnụọgụ ikuku oxygen dị elu, obere oghere ala, mmetụta ọgwụgwọ dị mma, ntinye ego dị ala, ụgwọ ọrụ dị ala, enweghị sludge bulking na obere sludge mmepụta. Tụkwasị na nke ahụ, mmetụta mkpuchi ọkụ ya dị mma, na ọgwụgwọ adịghị emetụta ọnọdụ ihu igwe, nke nwere ike hụ na mmetụta nke ọgwụgwọ mmiri mmiri oyi na mpaghara ugwu. Mgbe mmiri mkpofu ahịhịa dị elu sitere na Northeast Pharmaceutical Factory ka ejiri mmiri na-ekuku mmiri dị omimi mesoo biochemically, ọnụego mwepụ COD ruru 92.7%. Enwere ike ịhụ na nhazi nhazi dị oke elu, nke bara uru nke ukwuu na nhazi ọzọ. na-ekere òkè dị mkpa.

usoro AB

Usoro AB bụ usoro sludge na-arụ ọrụ nke ukwuu. Ọnụego mwepụ nke BOD5, COD, SS, phosphorus na amonia nitrogen site na usoro AB na-adịkarị elu karịa nke usoro sludge na-arụ ọrụ. Uru ya pụtara ìhè bụ ibu dị elu nke ngalaba A, ikike ibu mgbochi ujo siri ike, yana nnukwu ihe nchekwa na uru pH na ihe ndị na-egbu egbu. Ọ dị mma karịsịa maka ịgwọ nsị mmiri na oke ntinye uche na nnukwu mgbanwe na àgwà mmiri na oke. Usoro nke Yang Junshi et al. na-eji usoro ndu hydrolysis acidification-AB na-emeso mmiri mkpofu ọgwụ nje, nke nwere obere usoro na-erugharị, nchekwa ike, na ọnụ ahịa ọgwụgwọ dị ala karịa usoro ọgwụgwọ flocculation-biological nke mmiri mkpofu yiri ya.

bayoloji kọntaktị oxidation

Teknụzụ a na-ejikọta uru nke usoro sludge na-arụ ọrụ na usoro biofilm, ma nwee uru nke ibu ibu dị elu, mmepụta sludge dị ala, nguzogide mmetụta siri ike, ọrụ usoro kwụsiri ike na njikwa dị mma. Ọtụtụ oru ngo na-agbaso usoro nke abụọ, na-achọ ime ka ụdị nsogbu dị n'ime ụlọ na ọkwa dị iche iche, na-enye egwuregwu zuru oke na mmetụta mmekọrịta dị n'etiti ọnụ ọgụgụ ụmụ nje dị iche iche, ma melite mmetụta biochemical na nguzogide ujo. Na injinia, a na-ejikarị mgbaze anaerobic na acidification mee ihe dị ka usoro ọgwụgwọ mbụ, a na-ejikwa usoro oxidation kọntaktị na-agwọ mmiri mmiri ọgwụ. Ụlọ ọrụ Harbin North Pharmaceutical Factory na-anabata hydrolysis acidification-usoro kọntaktị oxidation ndu-ọgbọ abụọ iji gwọọ mmiri mkpofu ọgwụ. Nsonaazụ ọrụ na-egosi na mmetụta ọgwụgwọ ahụ kwụsiri ike na nchikota usoro ahụ nwere ezi uche. Site na ntozu oke nke teknụzụ usoro ahụ, mpaghara ngwa na-abawanye ụba

Usoro SBR

The SBR usoro nwere uru nke ike ujo ibu iguzogide, elu sludge ọrụ, mfe Ọdịdị, ọ dịghị mkpa maka backflow, mgbanwe ọrụ, obere akara ukwu, obere ego, kwụsiri ike ọrụ, elu mkpụrụ mwepụ ọnụego, na ezi denitrification na phosphorus mwepụ. . Mmiri mkpofu na-agbanwe agbanwe. Nlele na ọgwụgwọ nke mmiri mkpofu ọgwụ site na usoro SBR na-egosi na oge ikuku na-enwe mmetụta dị ukwuu na mmetụta ọgwụgwọ nke usoro ahụ; nhazi nke akụkụ anoxic, karịsịa nhazi nke anaerobic na aerobic ugboro ugboro, nwere ike ime ka mmetụta ọgwụgwọ dịkwuo mma; na SBR enwekwukwa ọgwụgwọ nke PAC Usoro nwere ike imeziwanye mmetụta mwepụ nke usoro. N'ime afọ ndị na-adịbeghị anya, usoro a na-aghọwanye nke zuru oke ma na-ejikarị eme ihe n'ịgwọ mmiri ọgwụ ọgwụ.

Ọgwụgwọ Biological Anaerobic

Ka ọ dị ugbu a, ọgwụgwọ nke mmiri mkpofu ahịhịa dị elu n'ụlọ na ná mba ọzọ na-adabere na usoro anaerobic, mana COD na-asọpụta ka dị elu ka a gwọchara ya site na usoro anaerobic dị iche iche, yana ọgwụgwọ ọgwụgwọ (dị ka ọgwụgwọ aerobic biological) na-adịkarị. achọrọ. Ka ọ dị ugbu a, ọ ka dị mkpa iji wusie mmepe na imepụta ihe nrụpụta anaerobic na-arụ ọrụ nke ọma, na nyocha miri emi banyere ọnọdụ ọrụ. Ngwa kachasị aga nke ọma na ọgwụgwọ mmiri mkpofu ọgwụ bụ Upflow Anaerobic Sludge Bed (UASB), Anaerobic Composite Bed (UBF), Anaerobic Baffle Reactor (ABR), hydrolysis, wdg.

USB iwu

The UASB reactor nwere uru nke elu anaerobic mgbaze arụmọrụ, mfe Ọdịdị, obere hydraulic njide oge, na ọ dịghị mkpa iche iche sludge nloghachi ngwaọrụ. Mgbe a na-eji UASB na ọgwụgwọ kanamycin, chlorin, VC, SD, glucose na ọgwụ ndị ọzọ na-emepụta mmiri na-emepụta ọgwụ, ọdịnaya SS anaghị adịkarị elu iji hụ na ọnụọgụ COD dị elu karịa 85% ruo 90%. Ọnụego mwepu COD nke usoro ọkwa abụọ UASB nwere ike iru karịa 90%.

usoro UBF

Zụrụ Wenning et al. Emere ule ntụnyere na UASB na UBF. Nsonaazụ na-egosi na UBF nwere njirimara nke ezigbo nnyefe oke na mmetụta nkewa, ụdị biomass dị iche iche na ụdị ndu, nhazi nhazi dị elu, na nkwụsi ike ọrụ siri ike. Oxygen bioreactor.

Hydrolysis na acidification

A na-akpọ tankị hydrolysis Hydrolyzed Upstream Sludge Bed (HUSB) ma bụrụ UASB emeziri. N'iji ya tụnyere usoro anaerobic tank zuru ezu, tank hydrolysis nwere uru ndị a: ọ dịghị mkpa maka akara, ọ dịghị mkpali, ọ dịghị nkewa nke atọ, nke na-ebelata ụgwọ ma na-eme ka mmezi; ọ nwere ike iweda macromolecules na ihe ndị na-abụghị biodegradable organic na nsị n'ime obere ụmụ irighiri ihe. Ihe na-eme ka ihe ndị dị ndụ dị mfe na-eme ka mmiri dị ndụ dịkwuo mma; mmeghachi omume na-adị ngwa ngwa, ụda tank dị ntakịrị, ego ntinye ego nke isi obodo dị ntakịrị, na ụda sludge na-ebelata. N'ime afọ ndị na-adịbeghị anya, a na-eji usoro hydrolysis-aerobic eme ihe n'ọtụtụ ebe na ọgwụgwọ nke mmiri mkpofu ọgwụ. Dịka ọmụmaatụ, ụlọ ọrụ biopharmaceutical na-eji hydrolytic acidification-ogbo abụọ usoro kọntaktị oxidation ndụ iji gwọọ mmiri mkpofu ọgwụ. Arụ ọrụ ahụ kwụsiri ike na mmetụta mwepụ ihe organic dị ịrịba ama. Ọnụego mwepụ nke COD, BOD5 SS na SS bụ 90.7%, 92.4% na 87.6%, n'otu n'otu.

Usoro ọgwụgwọ anaerobic-aerobic jikọtara ọnụ

Ebe ọ bụ na ọgwụgwọ aerobic ma ọ bụ ọgwụgwọ anaerobic naanị enweghị ike imezu ihe ndị a chọrọ, usoro nchịkọta dị ka anaerobic-aerobic, hydrolytic acidification-aerobic ọgwụgwọ na-eme ka biodegradability, mmetụta nkwụsị, ego ntinye ego na ọgwụgwọ ọgwụgwọ nke mmiri mkpofu. A na-eji ya eme ihe n'ọtụtụ ebe na ọrụ injinia n'ihi arụmọrụ nke otu usoro nhazi. Dịka ọmụmaatụ, ụlọ ọrụ na-emepụta ọgwụ na-eji usoro anaerobic-aerobic na-emeso mmiri mmiri ọgwụ ọgwụ, nkwụsị nke BOD5 bụ 98%, nkwụsị COD bụ 95%, na ọgwụgwọ ọgwụgwọ kwụsiri ike. A na-eji usoro micro-electrolysis-anaerobic hydrolysis-acidification-SBR agwọ mmiri mkpofu mmiri ọgwụ sịntetịt. Nsonaazụ na-egosi na usoro usoro ahụ dum nwere mmetụta siri ike na-eguzogide mgbanwe na ịdị mma na oke mmiri, na COD mwepụ ọnụego nwere ike iru 86% ruo 92%, nke bụ ezigbo usoro nhọrọ maka ọgwụgwọ nke mmiri mkpofu ọgwụ. – Catalytic Oxidation – Kpọtụrụ Oxidation Usoro. Mgbe COD nke mmetụta dị ihe dị ka 12 000 mg / L, COD nke nsị na-erughị 300 mg / L; Mwepụ nke COD na mmiri mkpofu ọgwụ na-edozi ahụ nke usoro biofilm-SBR na-agwọ nwere ike iru 87.5% ~ 98.31%, nke dị elu karịa nke otu ojiji ọgwụgwọ mmetụta nke usoro biofilm na usoro SBR.

Na mgbakwunye, na mmepe nke teknụzụ akpụkpọ anụ na-aga n'ihu, nyocha ngwa nke membrane bioreactor (MBR) na ọgwụgwọ nke mmiri mkpofu ọgwụ ejirila nke nta nke nta na-abawanye. MBR na-ejikọta njirimara nke teknụzụ nkewa akpụkpọ ahụ na ọgwụgwọ ndu, ma nwee uru nke ibu dị elu, nguzogide mmetụta siri ike, obere akara ukwu, na obere sludge fọdụrụnụ. A na-eji usoro bioreactor anaerobic membrane gwọọ mmiri mkpofu nke etiti acid chloride ọgwụ na COD nke 25 000 mg/L. Ọnụego mwepụ COD nke sistemu ahụ ka dị n'elu 90%. Maka oge mbụ, a na-eji ike nke nje bacteria na-eme ka ọ ghara imebi ihe ndị dị na ya. A na-eji bioreactors akpụkpọ anụ na-emepụta ihe na-agwọ mmiri mkpofu ụlọ ọrụ nwere 3,4-dichloroaniline. HRT bụ 2 h, ọnụ ọgụgụ mwepụ ahụ ruru 99%, ma nweta mmetụta ọgwụgwọ dị mma. N'agbanyeghị nsogbu mmebi akpụkpọ ahụ, na mmepe nke teknụzụ akpụkpọ anụ na-aga n'ihu, MBR ga-ejikarị eme ihe n'ọhịa nke ọgwụgwọ mmiri mkpofu ọgwụ.

2. Usoro ọgwụgwọ na nhọrọ nke mmiri mkpofu ọgwụ

Àgwà ọma mmiri nke mmiri mkpofu ọgwụ na-eme ka ọ ghara ikwe omume na ọtụtụ mmiri mkpofu ọgwụ agaghị ekwe omume ọgwụgwọ biochemical naanị, ya mere a ga-emerịrị ọgwụgwọ dị mkpa tupu ọgwụgwọ biochemical. N'ozuzu, a ga-edozi tankị na-achịkwa iji dozie àgwà mmiri na uru pH, na usoro physicochemical ma ọ bụ chemical kwesịrị iji mee ihe dị ka usoro ọgwụgwọ dị ka ọnọdụ ahụ dị n'ezie iji belata SS, salinity na akụkụ nke COD na mmiri, belata. ihe ndị na-egbochi ihe ndị dị ndụ na mmiri na-ekpofu mmiri, na-eme ka mmebi nke mmiri na-ekpofu mmiri dịkwuo mma. iji kwado ọgwụgwọ biochemical na-esote nke mmiri mkpofu.

Enwere ike iji usoro anaerobic na aerobic agwọ mmiri mkpofu ahụ a gwọchara dịka njirimara mmiri ya siri dị. Ọ bụrụ na ihe ndị na-asọ oyi chọrọ dị elu, a ga-aga n'ihu usoro ọgwụgwọ aerobic mgbe usoro ọgwụgwọ aerobic gasịrị. Nhọrọ nke usoro a kapịrị ọnụ kwesịrị ịtụle n'ụzọ zuru ezu ihe ndị dị ka ọdịdị nke mmiri mkpofu, mmetụta ọgwụgwọ nke usoro ahụ, ntinye ego na akụrụngwa, na ịrụ ọrụ na nrụzi iji mee ka nkà na ụzụ dị irè na nke akụ na ụba. Usoro usoro dum bụ usoro nchịkọta nke pretreatment-anaerobic-aerobic- (mgbe ọgwụgwọ). A na-eji ngwakọta hydrolysis adsorption-kọntaktị oxidation-filtration na-agwọta mmiri mkpofu ọgwụ zuru oke nke nwere insulin wuru.

3. Imegharị na itinye ihe bara uru na mmiri mkpofu ọgwụ

Na-akwalite mmepụta dị ọcha na ụlọ ọrụ ọgwụ, melite ọnụego ojiji nke akụrụngwa, ọnụọgụ mgbake zuru oke nke ngwaahịa dị n'etiti na ngwaahịa, ma belata ma ọ bụ kpochapụ mmetọ na usoro mmepụta site na mgbanwe nkà na ụzụ. N'ihi ihe pụrụ iche nke ụfọdụ usoro mmepụta ọgwụ, mmiri mkpofu nwere nnukwu ihe ndị a pụrụ imegharịgharị. Maka ọgwụgwọ nke mmiri mkpofu ọgwụ dị otú ahụ, nzọụkwụ mbụ bụ ime ka mgbake ihe dị ike na iji ya mee ihe n'ụzọ zuru ezu. Maka mmiri mkpofu dị n'etiti ọgwụ na ọdịnaya nnu ammonium dị elu dị ka 5% ruo 10%, a na-eji ihe nkiri wiper eme ihe maka evaporation, itinye uche na crystallization iji nwetaghachi (NH4) 2SO4 na NH4NO3 na ọnụ ọgụgụ dị nta nke ihe dịka 30%. Jiri dị ka fatịlaịza ma ọ bụ megharịa. Uru aku na uba doro anya; ụlọ ọrụ na-emepụta ọgwụ na teknụzụ dị elu na-eji usoro nchacha agwọ mmiri mkpofu mmepụta ya na ọdịnaya formaldehyde dị oke elu. Mgbe a nwetachara gas formaldehyde, enwere ike imepụta ya ka ọ bụrụ ihe reagent formalin ma ọ bụ gbaa ọkụ dị ka isi iyi ọkụ. Site na mgbake nke formaldehyde, a ga-enwe ike iji ihe onwunwe na-adịgide adịgide, na ego ntinye ego nke ụlọ ọrụ ọgwụgwọ nwere ike nwetaghachi n'ime afọ 4 ruo 5, na-achọpụta njikọ nke uru gburugburu ebe obibi na uru akụ na ụba. Otú ọ dị, ihe mejupụtara nke mmiri mkpofu ọgwụ n'ozuzu dị mgbagwoju anya, siri ike ịmegharị, usoro mgbake na-agbagwoju anya, na ọnụ ahịa dị elu. Ya mere, teknụzụ dị elu na nke ọma zuru oke bụ isi ihe na-edozi nsogbu nsị mmiri kpamkpam.

4 Nkwubi okwu

Enweela ọtụtụ akụkọ gbasara ọgwụgwọ mmiri mkpofu ọgwụ. Agbanyeghị, n'ihi ụdị akụrụngwa na usoro dị iche iche na ụlọ ọrụ ọgwụ, ịdị mma mmiri na-ekpofu na-adịgasị iche. Ya mere, ọ nweghị usoro ọgwụgwọ tozuru oke na nke jikọtara ọnụ maka mmiri mkpofu ọgwụ. Kedu ụzọ usoro ịhọrọ dabere na mmiri mkpofu. okike. Dị ka e si mara nke mmiri mkpofu, a na-achọkarị pretreatment iji meziwanye biodegradaability nke mmiri mkpofu, na mbụ wepụ ihe ndị na-emerụ emerụ, wee jikọta ya na ọgwụgwọ biochemical. Ka ọ dị ugbu a, mmepe nke ngwaọrụ eji agwọ mmiri na-emekọ ihe ọnụ na nke dị irè bụ nsogbu ngwa ngwa nke a ga-edozi.

Ụlọ ọrụ mmepụta iheChina ChemicalAnionic PAM Polyacrylamide Cationic Polymer Flocculant, Chitosan, Chitosan ntụ ntụ, ọgwụgwọ mmiri ọṅụṅụ, mmiri decoloring gị n'ụlọnga, dadmac, diallyl dimethyl ammonium chloride, dicyandiamide, dcda, defoamer, antifoam, pac, poly aluminium chloride, polyaluminium, polyelectrolytery, polyacter polyacredi poly , pdadmac ， polyamine ， Anyị abụghị naanị na-ebuga ndị na-azụ ahịa anyị mma dị elu, mana ọtụtụ ihe dị mkpa bụ ndị na-eweta anyị kacha ukwuu yana ọnụahịa ire ere ike.

ODM Factory China PAM, Anionic Polyacrylamide, HPAM, PHPA, Ụlọ ọrụ anyị na-arụ ọrụ site na ọrụ ụkpụrụ nke "iguzosi ike n'ezi ihe dabeere, imekọ ihe ọnụ kere, ndị gbakwasara, imeri-mmeri imekọ ihe ọnụ". Anyị na-atụ anya na anyị na onye ọchụnta ego si n'akụkụ ụwa niile nwere ike inwe mmekọrịta enyi na enyi.

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