Ụlọ ọrụ ọgwụ na-emepụta mmiri mkpofu gụnyere mmiri mkpofu ọgwụ nje na mmiri mkpofu ọgwụ sịntetik. Ụlọ ọrụ ọgwụ na-emepụta mmiri mkpofu gụnyere ụdị anọ: mmiri mkpofu ọgwụ nje, mmiri mkpofu ọgwụ sịntetik, mmiri mkpofu ọgwụ ndị China na-emepụta mmiri mkpofu, mmiri mkpofu ọgwụ ndị China, mmiri ịsa na mmiri mkpofu site na usoro nkwadebe dị iche iche. A na-eji ihe mejupụtara mmiri mkpofu ahụ mara ya site na ihe mejupụtara dị mgbagwoju anya, oke ihe dị n'ime organic, oke nsí, agba miri emi, nnukwu nnu, ọkachasị ihe ndị dị na kemịkalụ na-adịghị mma na mwepụta mgbe ụfọdụ. Ọ bụ mmiri mkpofu ụlọ ọrụ mmepụta ihe nke siri ike ịgwọ. Site na mmepe nke ụlọ ọrụ ọgwụ mba m, mmiri mkpofu ọgwụ aghọọla otu n'ime isi iyi mmetọ dị mkpa.
1. Usoro ọgwụgwọ nke mmiri mkpofu ọgwụ
A pụrụ ịchịkọta ụzọ ọgwụgwọ nke mmiri mkpofu ọgwụ dịka: ọgwụgwọ kemịkalụ anụ ahụ, ọgwụgwọ kemịkalụ, ọgwụgwọ kemịkalụ na ọgwụgwọ njikọta nke ụzọ dị iche iche, usoro ọgwụgwọ ọ bụla nwere uru na ọghọm nke ya.
Ọgwụgwọ anụ ahụ na kemịkalụ
Dịka àgwà mmiri si dị na mmiri mkpofu ọgwụ, a ga-eji ọgwụgwọ physicochemical eme ihe dị ka usoro ọgwụgwọ tupu ọgwụgwọ ma ọ bụ mgbe ọgwụgwọ gasịrị maka ọgwụgwọ biochemical. Usoro ọgwụgwọ anụ ahụ na nke kemịkalụ eji ugbu a gụnyere coagulation, ikuku flotation, adsorption, ammonia stripping, electrolysis, mgbanwe ion na nkewa akpụkpọ ahụ.
coagulation
Teknụzụ a bụ usoro ọgwụgwọ mmiri a na-ejikarị eme ihe n'ụlọ na mba ofesi. A na-ejikarị ya eme ihe n'oge ọgwụgwọ tupu ọgwụgwọ na mgbe ọgwụgwọ gasịrị nke mmiri mkpofu ọgwụ, dị ka aluminum sulfate na polyferric sulfate n'ime mmiri mkpofu ọgwụ ọdịnala nke ndị China. Isi ihe dị mkpa maka ọgwụgwọ coagulation dị irè bụ nhọrọ ziri ezi na itinye coagulants nwere arụmọrụ dị mma. N'afọ ndị na-adịbeghị anya, ntụziaka mmepe nke coagulants agbanweela site na obere molekul gaa na elu molekul polymers, site na otu ihe mejupụtara gaa na nhazi ọrụ [3]. Liu Minghua et al. [4] jiri pH nke 6.5 gwọọ COD, SS na chromaticity nke mmiri mkpofu ahụ na dose flocculant nke 300 mg/L na flocculant composite F-1 dị elu. Ọnụego mwepụ ahụ bụ 69.7%, 96.4% na 87.5%, n'otu n'otu.
ikuku na-ese n'elu mmiri
N'ozuzu, n'ikuku na-agbagharị agbagharị gụnyere ụdị dị iche iche dịka n'ikuku na-agbagharị agbagharị, n'ikuku na-agbagharị agbagharị, n'ikuku na-agbagharị agbagharị, na n'ikuku na-agbagharị agbagharị nke electrolytic. Ụlọ ọrụ mmepụta ọgwụ Xinchang na-eji ngwaọrụ CAF vortex ikuku na-agbagharị agbagharị iji gwọọ mmiri mkpofu ọgwụ. Nkezi ọnụego mwepụ nke COD bụ ihe dị ka 25% na kemịkalụ kwesịrị ekwesị.
usoro nnabata
Ihe ndị a na-ejikarị eme ihe bụ carbon a na-arụ ọrụ, coal a na-arụ ọrụ, humic acid, resin a na-agbaze agbaze, wdg. Ụlọ ọrụ mmepụta ọgwụ Wuhan Jianmin na-eji coal ash adsorption - usoro ọgwụgwọ bayọlọji aerobic nke abụọ iji gwọọ mmiri mkpofu. Nsonaazụ gosiri na ọnụego mwepụ COD nke ọgwụgwọ adsorption tupu oge eruo bụ 41.1%, e mekwara ka oke BOD5/COD ka mma.
Nkewa akpụkpọ ahụ
Teknụzụ akpụkpọ ahụ gụnyere reverse osmosis, nanofiltration na eriri akpụkpọ ahụ iji weghachite ihe bara uru ma belata ikuku ndị sitere na organic n'ozuzu ya. Isi ihe dị na teknụzụ a bụ ngwa dị mfe, ọrụ dị mfe, enweghị mgbanwe usoro na mgbanwe kemịkalụ, arụmọrụ nhazi dị elu na ịchekwa ike. Juanna na ndị otu ya jiri akpụkpọ ahụ nanofiltration kewaa mmiri mkpofu cinnamycin. A chọpụtara na mmetụta mgbochi nke lincomycin na nje ndị dị na mmiri mkpofu belatara, a gbakekwara cinnamycin.
elektrọlizis
Usoro a nwere uru dị na arụmọrụ dị elu, ọrụ dị mfe na ihe ndị yiri ya, mmetụta nke ịgbanwe agba elektrọlik dị mma. Li Ying [8] mere ọgwụgwọ elektrọlik tupu oge eruo na riboflavin supernatant, ọnụego mwepụ nke COD, SS na chroma ruru 71%, 83% na 67%, n'otu n'otu.
ọgwụgwọ kemịkalụ
Mgbe e jiri usoro kemịkalụ mee ihe, ojiji gabigara ókè nke ụfọdụ ihe ndị na-eme ka mmiri dị n'ime ya nwere ike ibute mmetọ nke abụọ. Ya mere, a ga-eme nnyocha nnwale dị mkpa tupu e mepụta ya. Usoro kemịkalụ gụnyere usoro iron-carbon, usoro redox kemịkalụ (Fenton reagent, H2O2, O3), teknụzụ oxidation miri emi, wdg.
Usoro carbon ígwè
Ọrụ ụlọ ọrụ mmepụta ihe na-egosi na iji Fe-C dị ka usoro tupu ọgwụgwọ maka mmiri mkpofu ọgwụ nwere ike ime ka mmiri mkpofu ahụ ka mma nke ukwuu. Lou Maoxing na-eji ọgwụgwọ ejikọtara ọnụ nke iron-micro-electrolysis-anaerobic-aerobic-air flotation iji gwọọ mmiri mkpofu nke ọgwụ ndị dị n'etiti dịka erythromycin na ciprofloxacin. Ọnụego mwepụ COD mgbe ejiri ígwè na carbon gwọọ ya bụ 20%. %, ihe mkpofu ikpeazụ na-agbasokwa ọkọlọtọ klaasị mbụ nke mba nke "Integrated Wastewater Discharge Standard" (GB8978-1996).
Nhazi ihe eji eme ihe nke Fenton
A na-akpọ njikọta nnu ferrous na H2O2 ihe na-eme ka mmiri ghara ịdị ọcha, nke nwere ike iwepụ ihe ndị na-adịghị mma nke teknụzụ ọgwụgwọ mmiri mkpofu ọdịnala na-apụghị iwepụ. Site na mmụba nke nyocha, e tinyere ìhè ultraviolet (UV), oxalate (C2O42-), wdg n'ime ihe na-eme ka ikike oxidation dịkwuo mma. Site na iji TiO2 dị ka ihe na-eme ka ihe na-akpali akpali na oriọna mercury dị ala nke 9W dị ka isi iyi ọkụ, e jiri ihe na-eme ka mmiri mkpofu ọgwụ gwọọ ya, ọnụego mwepụ agba ya bụ 100%, ọnụego mwepụ COD bụ 92.3%, ihe na-eme ka nitrobenzene belatara site na 8.05mg/L. 0.41 mg/L.
Ọksidọkshọn
Usoro a nwere ike ime ka mmiri mkpofu ghara ire ere nke ọma ma nwee oke mwepụ nke COD ka mma. Dịka ọmụmaatụ, e jiri ozone oxidation gwọọ mmiri mkpofu atọ dịka Balcioglu. Nsonaazụ ya gosiri na ozonation nke mmiri mkpofu abụghị naanị na ọ mụbara oke BOD5/COD, kamakwa ọnụego mwepụ COD karịrị 75%.
Teknụzụ oxidation
A makwaara ya dị ka teknụzụ oxidation dị elu, ọ na-achịkọta nsonaazụ nyocha kachasị ọhụrụ nke ìhè ọgbara ọhụrụ, ọkụ eletrik, ụda, magnetism, ihe na usoro ndị ọzọ yiri ya, gụnyere oxidation electrochemical, oxidation mmiri, oxidation mmiri dị oke njọ, oxidation photocatalytic na mmebi ultrasonic. N'ime ha, teknụzụ oxidation ultraviolet photocatalytic nwere uru nke ihe ọhụrụ, arụmọrụ dị elu, na enweghị nhọrọ na mmiri mkpofu, ọ dabara adaba karịsịa maka mmebi nke hydrocarbons na-enweghị afọ ojuju. Ma e jiri ya tụnyere usoro ọgwụgwọ dị ka ụzarị ultraviolet, ikpo ọkụ, na nrụgide, ọgwụgwọ ultrasonic nke ihe organic na-adị kpọmkwem ma chọọ obere akụrụngwa. Dịka ụdị ọgwụgwọ ọhụrụ, a na-elebara anya nke ọma. Xiao Guangquan et al. [13] jiri usoro kọntaktị ultrasonic-aerobic bayọlọjik gwọọ mmiri mkpofu ọgwụ. Emere ọgwụgwọ ultrasonic maka sekọnd 60 na ike ahụ bụ 200 w, na mkpokọta ọnụego mwepụ COD nke mmiri mkpofu bụ 96%.
Ọgwụgwọ biochemical
Teknụzụ ọgwụgwọ biochemical bụ teknụzụ ọgwụgwọ mmiri mkpofu ọgwụ a na-ejikarị eme ihe, gụnyere usoro aerobic bayọlọji, usoro anaerobic bayọlọji, na usoro aerobic-anaerobic jikọtara ọnụ.
Ọgwụgwọ bayoloji aerobic
Ebe ọ bụ na ọtụtụ mmiri mkpofu ọgwụ bụ mmiri mkpofu organic nke nwere nnukwu mkpokọta, ọ dị mkpa ka a gwakọta mmiri mkpofu ahụ n'oge ọgwụgwọ bayoloji aerobic. Ya mere, oriri ike dị ukwuu, enwere ike ịgwọ mmiri mkpofu ahụ site na kemịkalụ, ọ na-esikwa ike iwepụ ya ozugbo dịka ọkọlọtọ si dị mgbe a gwọchara ya na kemịkalụ. Ya mere, ojiji aerobic naanị ya. E nwere ọgwụgwọ ole na ole dị, a chọkwara ọgwụgwọ tupu oge eruo. Usoro ọgwụgwọ bayoloji aerobic a na-ejikarị eme ihe gụnyere usoro sludge a na-arụ ọrụ, usoro ikuku miri emi, usoro adsorption biodegradation (usoro AB), usoro oxidation kọntaktị, usoro sludge a na-arụ ọrụ nke ọma (usoro SBR), usoro sludge a na-emegharị emegharị, wdg. (usoro CASS) na ndị ọzọ.
Usoro ikuku miri emi nke ọma
Amụba ikuku miri emi bụ usoro sludge a na-arụ ọrụ nke ọma. Usoro a nwere oke ojiji oxygen, obere oghere ala, ezigbo mmetụta ọgwụgwọ, obere ego, obere ọnụ ahịa ọrụ, enweghị oke sludge na obere mmepụta sludge. Na mgbakwunye, mmetụta mkpuchi okpomọkụ ya dị mma, ọnọdụ ihu igwe anaghị emetụta ọgwụgwọ ahụ, nke nwere ike ime ka ọgwụgwọ nsị oyi dị na mpaghara ugwu. Mgbe tankị aeration miri emi gwọọ mmiri mkpofu organic nke dị elu site na Northeast Pharmaceutical Factory site na biochemical, ọnụego mwepụ COD ruru 92.7%. A pụrụ ịhụ na arụmọrụ nhazi dị elu nke ukwuu, nke bara uru nke ukwuu na nhazi ọzọ. na-arụ ọrụ dị mkpa.
Usoro AB
Usoro AB bụ usoro sludge a na-arụ ọrụ nke ukwuu. Ọkwa mwepụ nke BOD5, COD, SS, phosphorus na ammonia nitrogen site na usoro AB dị elu karịa nke usoro sludge a na-arụ ọrụ nke ọma. Uru ya pụrụ iche bụ ibu dị elu nke ngalaba A, ikike ibu mgbochi ujo siri ike, na nnukwu mmetụta nchekwa na uru pH na ihe ndị na-egbu egbu. Ọ dabara nke ọma maka ịgwọ nsị mmiri na nnukwu ntinye na nnukwu mgbanwe na ịdị mma na ọnụọgụ mmiri. Usoro Yang Junshi et al. na-eji usoro hydrolysis acidification-AB biological iji gwọọ mmiri mkpofu ọgwụ nje, nke nwere obere usoro nhazi, nchekwa ike, ọnụ ahịa ọgwụgwọ dịkwa ala karịa usoro ọgwụgwọ flocculation-biological nke mmiri mkpofu yiri ya.
oxidation kọntaktị bayoloji
Teknụzụ a na-ejikọta uru nke usoro sludge a na-arụ ọrụ na usoro biofilm, ma nwee uru nke ibu dị elu, mmepụta sludge dị ala, iguzogide mmetụta siri ike, ọrụ usoro kwụsiri ike na njikwa dị mma. Ọtụtụ ọrụ na-eji usoro ogbo abụọ, na-achọ ime ka ụdị nje ndị a na-achịkwa n'ọkwa dị iche iche, nye ọrụ zuru oke na mmetụta synergistic n'etiti ọtụtụ nje bacteria dị iche iche, ma melite mmetụta biochemical na iguzogide ujo. Na injinia, a na-ejikarị nri anaerobic na acidification eme ihe dị ka usoro tupu ọgwụgwọ, a na-ejikwa usoro oxidation kọntaktị iji gwọọ mmiri mkpofu ọgwụ. Harbin North Pharmaceutical Factory na-anabata hydrolysis acidification-usoro oxidation nke biochemical nke ọkwa abụọ iji gwọọ mmiri mkpofu ọgwụ. Nsonaazụ ọrụ ahụ na-egosi na mmetụta ọgwụgwọ ahụ kwụsiri ike ma njikọta usoro ahụ dị mma. Site na ntozu nwayọ nke teknụzụ usoro ahụ, ubi ngwa ahụ na-agbasakwa karịa.
Usoro SBR
Usoro SBR nwere uru dị na iguzogide ibu dị egwu, ọrụ sludge dị elu, nhazi dị mfe, enweghị mkpa maka azụ azụ, ọrụ na-agbanwe agbanwe, obere akara ụkwụ, obere itinye ego, ọrụ kwụsiri ike, oke mwepụ substrate, na ezigbo denitrification na mwepụ phosphorus. . Mmiri mkpofu na-agbanwe agbanwe. Nnwale na ọgwụgwọ nke mmiri mkpofu ọgwụ site na usoro SBR na-egosi na oge ikuku nwere mmetụta dị ukwuu na mmetụta ọgwụgwọ nke usoro ahụ; ntọala nke ngalaba anoxic, karịsịa nhazi ugboro ugboro nke anaerobic na aerobic, nwere ike imeziwanye mmetụta ọgwụgwọ nke ukwuu; SBR emelitere ọgwụgwọ PAC Usoro a nwere ike imeziwanye mmetụta mwepụ nke sistemụ ahụ nke ukwuu. N'afọ ndị na-adịbeghị anya, usoro a aghọọla nke zuru oke ma a na-ejikarị ya eme ihe n'ọgwụgwọ mmiri mkpofu ọgwụ.
Ọgwụgwọ Biological Anaerobic
Ugbu a, ọgwụgwọ nke mmiri mkpofu organic nke nwere nnukwu mkpokọta n'ụlọ na mba ofesi dabere na usoro anaerobic, mana COD nke na-esi na ya apụta ka dị elu mgbe ejiri usoro anaerobic dị iche gwọọ ya, a na-achọkwa ọgwụgwọ mgbe emechara ya (dịka ọgwụgwọ aerobic bayọlọji). Ugbu a, ọ ka dị mkpa iji wusie ike Mmepe na nhazi nke ihe nrụpụta anaerobic dị elu, yana nyocha miri emi na 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.
Iwu UASB
Ihe na-eme ka mmiri ọgwụ UASB rụọ ọrụ nwere uru dị na oke ọrụ mgbaze anaerobic, nhazi dị mfe, obere oge ijide hydraulic, na enweghị mkpa maka ngwaọrụ nloghachi sludge dị iche. Mgbe ejiri UASB gwọọ kanamycin, chlorin, VC, SD, glucose na mmiri mkpofu ndị ọzọ na-emepụta ọgwụ, ọdịnaya SS anaghị adịkarị elu iji hụ na ọnụego mwepụ COD karịrị 85% ruo 90%. Ọnụego mwepụ COD nke usoro abụọ UASB nwere ike iru ihe karịrị 90%.
Usoro UBF
Zụta Wenning na ndị otu ya. E mere nnwale ntụnyere na UASB na UBF. Nsonaazụ ya gosiri na UBF nwere njirimara nke ezigbo nnyefe oke na nkewa, ụdị biomass na bayoloji dị iche iche, arụmọrụ nhazi dị elu, na nkwụsi ike ọrụ siri ike. Oxygen bioreactor.
Mmiri na acidification
A na-akpọ tankị hydrolysis a Hydrolyzed Upstream Sludge Bed (HUSB) ma bụrụkwa UASB agbanweela. Ma e jiri ya tụnyere tankị anaerobic zuru oke, tankị hydrolysis nwere uru ndị a: enweghị mkpa maka mkpuchi, enweghị mkpali, enweghị ihe nkewa atọ, nke na-ebelata ọnụ ahịa ma na-eme ka mmezi dị mfe; ọ nwere ike imebi macromolecules na ihe ndị na-abụghị organic a na-apụghị ịgbagha agbagha na nsị mmiri ka ọ bụrụ obere molekul. Ihe organic a na-agbagharị agbagha nke dị mfe na-eme ka mmiri nkịtị dịkwuo mma; mmeghachi omume ahụ dị ngwa ngwa, olu tankị ahụ dị obere, itinye ego n'iwu ụlọ dị obere, a na-ebelatakwa olu sludge. N'afọ ndị na-adịbeghị anya, ejirila usoro hydrolysis-aerobic mee ihe nke ukwuu n'ịgwọ mmiri mkpofu ọgwụ. Dịka ọmụmaatụ, ụlọ ọrụ mmepụta biopharmaceutical na-eji usoro hydrolytic acidification-ogbo abụọ nke kọntaktị biochemical iji gwọọ mmiri mkpofu ọgwụ. Ọrụ ahụ kwụsiri ike, mmetụta mwepụ ihe organic dị egwu. Ọnụego mwepụ nke COD, BOD5 SS na SS bụ 90.7%, 92.4% na 87.6%, n'otu n'otu.
Usoro ọgwụgwọ ejikọtara ọnụ nke anaerobic-aerobic
Ebe ọ bụ na ọgwụgwọ aerobic ma ọ bụ ọgwụgwọ anaerobic naanị enweghị ike imezu ihe achọrọ, usoro ndị a jikọtara ọnụ dịka ọgwụgwọ anaerobic-aerobic, hydrolytic acidification-aerobic na-eme ka mbelata ike nke biodegradability, iguzogide mmetụta, ọnụ ahịa itinye ego na mmetụta ọgwụgwọ nke mmiri mkpofu dịkwuo mma. A na-ejikarị ya eme ihe n'ọrụ injinia n'ihi arụmọrụ nke otu usoro nhazi. Dịka ọmụmaatụ, ụlọ ọrụ mmepụta ọgwụ na-eji usoro anaerobic-aerobic iji gwọọ mmiri mkpofu ọgwụ, ọnụego mwepụ BOD5 bụ 98%, ọnụego mwepụ COD bụ 95%, mmetụta ọgwụgwọ ahụ kwụsiri ike. A na-eji usoro micro-electrolysis-anaerobic hydrolysis-acidification-SBR agwọ mmiri mkpofu ọgwụ kemịkalụ. Nsonaazụ ya na-egosi na usoro usoro niile nwere mmetụta siri ike na-eguzogide mgbanwe na mma na ọnụọgụ mmiri mkpofu, na ọnụego mwepụ COD nwere ike iru 86% ruo 92%, nke bụ nhọrọ usoro zuru oke maka ọgwụgwọ nke mmiri mkpofu ọgwụ. - Catalytic Oxidation - Usoro Oxidation Kpọtụrụ. Mgbe COD nke influent dị ihe dị ka 12,000 mg/L, COD nke ihe na-esi na ya apụta erughị 300 mg/L; ọnụego mwepụ nke COD na mmiri mkpofu ọgwụ na-anaghị agbanwe agbanwe nke usoro biofilm-SBR gwọrọ nwere ike iru 87.5% ~ 98.31%, nke dị elu karịa nke ojiji otu ugboro. Mmetụta ọgwụgwọ nke usoro biofilm na usoro SBR.
Tinyere nke a, site na mmepe teknụzụ membrane na-aga n'ihu, nyocha ojiji nke membrane bioreactor (MBR) n'ịgwọ mmiri mkpofu ọgwụ amụbaala nke ukwuu. MBR na-ejikọta njirimara nke teknụzụ nkewa akpụkpọ ahụ na ọgwụgwọ bayọlọji, ma nwee uru nke ibu ibu dị elu, iguzogide mmetụta siri ike, obere akara ụkwụ, na obere sludge fọdụrụnụ. Ejiri usoro anaerobic membrane bioreactor gwọọ mmiri mkpofu acid chloride nke ọgwụ na COD nke 25 000 mg/L. Ọnụego mwepụ COD nke sistemụ ahụ ka dị n'elu 90%. Maka oge mbụ, ejiri ikike nke nje bacteria manye imebi ihe ndị dị ndụ. A na-eji ihe ndị na-ewepụta ihe na-eme ka akpụkpọ ahụ dị nro agwọ mmiri mkpofu ụlọ ọrụ nwere 3,4-dichloroaniline. HRT bụ awa 2, ọnụego mwepụ ahụ ruru 99%, enwetakwara mmetụta ọgwụgwọ kacha mma. N'agbanyeghị nsogbu mmetọ akpụkpọ ahụ, site na mmepe na-aga n'ihu nke teknụzụ membrane, a ga-eji MBR eme ihe nke ọma n'ọhịa nke ọgwụgwọ mmiri mkpofu ọgwụ.
2. Usoro ọgwụgwọ na nhọrọ nke mmiri mkpofu ọgwụ
Àgwà mmiri nke mmiri mkpofu ọgwụ na-eme ka ọ ghara ikwe omume ka ọtụtụ mmiri mkpofu ọgwụ gwọọ naanị ha, yabụ a ga-emerịrị ọgwụgwọ tupu e jiri ya mee ihe tupu e jiri ya mee ihe na biochemical. N'ozuzu, ekwesịrị ịtọlite tankị na-achịkwa iji gbanwee ogo mmiri na uru pH, a ga-ejikwa usoro physicochemical ma ọ bụ kemịkalụ mee ihe dị ka usoro ọgwụgwọ tupu e jiri ya mee ihe dịka ọnọdụ dị n'ezie si dị iji belata SS, nnu na akụkụ nke COD n'ime mmiri, belata ihe ndị na-egbochi nje bacteria na mmiri mkpofu, ma melite ire ere nke mmiri mkpofu. iji mee ka ọgwụgwọ biochemical na-esote dị mfe maka ọgwụgwọ mmiri mkpofu.
Enwere ike ịgwọ mmiri mkpofu a na-agwọ tupu oge eruo site na usoro anaerobic na aerobic dịka àgwà mmiri ya si dị. Ọ bụrụ na ihe achọrọ maka mmiri mkpofu dị elu, a ga-aga n'ihu na usoro ọgwụgwọ aerobic mgbe usoro ọgwụgwọ aerobic gasịrị. Nhọrọ nke usoro a kapịrị ọnụ kwesịrị ịtụle ihe ndị dị ka ọdịdị nke mmiri mkpofu, mmetụta ọgwụgwọ nke usoro ahụ, itinye ego na akụrụngwa, na ọrụ na mmezi iji mee ka teknụzụ ahụ kwe omume ma dị ọnụ ala. Ụzọ usoro niile bụ usoro ejikọtara ọnụ nke ọgwụgwọ tupu oge eruo-anaerobic-aerobic-(mgbe ọgwụgwọ gasịrị). A na-eji usoro njikọta nke hydrolysis adsorption-contact oxidation-filtration iji gwọọ mmiri mkpofu zuru oke nke nwere insulin artificial.
3. Imegharị ihe na iji ihe bara uru eme ihe n'ime mmiri mkpofu ọgwụ
Kwalite mmepụta dị ọcha n'ụlọ ọrụ ọgwụ, melite ọnụego ojiji nke ihe ndị e ji emepụta ihe, ọnụego mgbake zuru oke nke ngwaahịa ndị dị n'etiti na ngwaahịa ndị ọzọ, ma belata ma ọ bụ wepụ mmetọ n'usoro mmepụta site na mgbanwe teknụzụ. N'ihi kpọmkwem usoro mmepụta ọgwụ ụfọdụ, mmiri mkpofu nwere ọtụtụ ihe ndị a na-emegharị emegharị. Maka ọgwụgwọ nke mmiri mkpofu ọgwụ dị otú ahụ, nzọụkwụ mbụ bụ ime ka mgbake ihe onwunwe na ojiji zuru oke sikwuo ike. Maka mmiri mkpofu ọgwụ dị n'etiti nwere nnu ammonium dị elu dị ka 5% ruo 10%, a na-eji ihe mkpuchi nhicha edobere maka ịpụpụ, ntinye na kristal iji weghachite (NH4)2SO4 na NH4NO3 nke nwere oke akụkụ nke ihe dị ka 30%. Jiri ya dị ka fatịlaịza ma ọ bụ iji ya ọzọ. Uru akụ na ụba doro anya; ụlọ ọrụ ọgwụ teknụzụ dị elu na-eji usoro nhicha iji gwọọ mmiri mkpofu mmepụta nwere oke ọdịnaya formaldehyde. Mgbe emechara gas formaldehyde, enwere ike ịmepụta ya ka ọ bụrụ ihe na-eme ka ọ dị ka ihe na-eme ka ọ dị ọkụ. Site na mgbake nke formaldehyde, enwere ike inweta ojiji na-adịgide adịgide nke akụrụngwa, a pụkwara inweta ego itinye ego nke ebe a na-agwọ ọrịa n'ime afọ 4 ruo 5, na-aghọta njikọta nke uru gburugburu ebe obibi na uru akụ na ụba. Agbanyeghị, nhazi nke mmiri mkpofu ọgwụ n'ozuzu dị mgbagwoju anya, ọ siri ike ịmegharị, usoro mgbake ahụ dị mgbagwoju anya, ọnụ ahịa ya dịkwa elu. Ya mere, teknụzụ ọgwụgwọ nsị zuru oke dị elu ma dị irè bụ isi ihe na-edozi nsogbu nsị kpamkpam.
Mmechi 4
E nweela ọtụtụ akụkọ gbasara ọgwụgwọ mmiri mkpofu ọgwụ. Agbanyeghị, n'ihi ụdị ihe na usoro dị iche iche dị na ụlọ ọrụ ọgwụ, ịdị mma mmiri mkpofu dịgasị iche iche. Ya mere, enweghị usoro ọgwụgwọ tozuru oke na nke jikọtara ọnụ maka mmiri mkpofu ọgwụ. Ụzọ usoro ịhọrọ dabere na ụdị mmiri mkpofu. Dịka njirimara nke mmiri mkpofu si dị, a na-achọkarị ọgwụgwọ tupu oge eruo iji melite ire ere mmiri mkpofu, wepụ ihe ndị na-emerụ emerụ na mbụ, wee jikọta ya na ọgwụgwọ biochemical. Ugbu a, mmepe nke ngwaọrụ ọgwụgwọ mmiri mejupụtara dị ọnụ ala ma dị irè bụ nsogbu dị mkpa a ga-edozi.
Ụlọ ọrụ mmepụta iheKemịkalụ ChinaAnionic PAM Polyacrylamide Cationic Polymer Flocculant, Chitosan, Chitosan Powder, ọgwụgwọ mmiri ọṅụṅụ, ihe na-eme ka agba mmiri dị ọcha, dadmac, diallyl dimethyl ammonium chloride, dicyandiamide, dcda, defoamer, antifoam, pac, poly aluminum chloride, polyaluminium, polyelectrolyte, pam, polyacrylamide, polydadmac, pdadmac, polyamine, Anyị anaghị ebuga naanị ngwaahịa dị elu nye ndị na-azụ ahịa anyị, mana ihe kacha mkpa bụ onye na-enye anyị ngwaahịa kachasị mma yana ọnụ ahịa ire ere siri ike.
Ụlọ ọrụ mmepụta ihe ODM China PAM, Anionic Polyacrylamide, HPAM, PHPA, Ụlọ ọrụ anyị na-arụ ọrụ site na ụkpụrụ ọrụ nke "iguzosi ike n'ezi ihe, mmekorita e kere eke, nke lekwasịrị anya n'ihe ndị mmadụ, na mmekorita mmeri". Anyị nwere olileanya na anyị nwere ike inwe mmekọrịta enyi na enyi na ndị ọchụnta ego si n'akụkụ ụwa niile.
E si na Baidu dee ya.
Oge ozi: Ọgọst-15-2022