Reszọ bụ isi nke ihe a na-ahụ anya na-eme ọgwụgwọ dị iche iche bụ iji teknụzụ dị iche iche iche, wepu ma chegharịa mmetọ dị na ebe obibi, ma ọ bụ tụgharịa ihe ndị na-adịghị emerụ ahụ iji mee ka mmiri ahụ dị ọcha.
E nwere ọtụtụ ụzọ ị ga-esi na-emeso ya, nke nwere ike kewapụ iche na mbụ, ya bụ ọgwụgwọ ndu, ọgwụgwọ anụ ahụ, ọgwụgwọ kemịkal.
1. Ọgwụ ndu
Site na metabolism nke microorganisms, mmetọ ofụ n'ụdị ngwọta, colloids na nkwụsị mma na Isthewoter na-agbanwe ka ihe ndị na-adịghị emerụ ahụ. Dabere na microornisms dị iche iche, enwere ike kee ọgwụgwọ dị omimi n'ụdị abụọ: ọgwụgwọ ndu a na-agwọ ọrịa na ọgwụgwọ.
A na-eji usoro nduru ọgwụ aerobic na-eme n'ọtụtụ ndụ nke Isthewater. Dabere na usoro usoro dị iche iche, a na-eke usoro ndu a na-ahọpụtara ụdị abụọ: MGBE SLUDGE na-arụ ọrụ. Usoro sludge rụsiri ọrụ bụ ihe ọgwụgwọ, ọ nwere ụdị arụmọrụ dịgasị iche iche. Ngwọta nke usoro nke ihe nke Biofilm gụnyere Boofilter, ihe omimi kọntaktị na bank na ndụ mmiri na-aghọkwa usoro ọdọ mmiri ọ bụla ọgwụgwọ. A na-eji ọgwụ ndu a anaejeric, a makwaara dị ka usoro mbelata nke ndu, na-ejikarị na-emeso ndị na-atụ ịta ahụhụ dị elu na sludge.
2. Ọgwụgwọ Ahụike
Ofzọ nke iche na-agbake a na-egbochi ndị na-emetọ ya (gụnyere ihe nkiri mmanụ na mmiri mmanụ) enwere ike kee ihe na-emepụta ihe dị iche iche, usoro mkpokọta centrifugal na usoro njigide. Ngwunye ọgwụgwọ nke dị na usoro graftitydị na-agbada, na-ese ihe (mmiri ikuku), wdg. Centrifugal nkewa onwe ya bụ ụdị ọgwụgwọ, usoro nhazi ejiri nwere centrifution na hydrocyclone, wdg.; Usoro ndozi ihu nwere nkeji ihe nhazi abụọ: njigide ihuenyo na nzacha. The gara aga na-eji okporo osisi na ihuenyo, ebe nke ikpeazụ na-eji ihe nzacha ájá na nzacha nke mgbanwe ọkụ, na-arụ ọrụ na-ebute nzacha na kristal.
3. Ọgwụ kemịkalụ
Usoro ọgwụgwọ dị iche iche nke na-ekewa ma na-ewepu mmerụ ahụ na colloidal poltewater ma ọ bụ tụgharịa ihe ndị na-adịghị emerụ ahụ site na mmeghachi omume kemịkal na mbufe kemịkal. Na usoro ọgwụgwọ ọgwụ, nkeji nhazi ya na mmeghachi omume kemịkalụ bụ: Cogurulation, nsị, brimex, wdg.; Ọ bụ ezie na nhazi nhazi dabere na mbufe uka bụ: mpụ, na-apụ n'anya, onye na-adịghị agbanwe, mgbanwe ion na-ezo aka na teknụzụ a na-arụ ọrụ na teknụzụ akpụkpọ ahụ. N'etiti ha, na-ejife mbufe nwere ihe eji eme ihe na eme ihe, yabụ enwere ike ikewapụ ya na usoro ọgwụgwọ kemịkalụ ma bụrụ ụdị ọgwụgwọ ọzọ.
esemese
Usoro ọgwụgwọ ọgwụgwọ nkịtị
1
Ihe ngosi mmetọ dị ka mmanụ dị na mmanụ, codcr na ahụ na-emebi mmiri mkpofu dị oke elu. Usoro ọgwụgwọ gụnyere mmịpụta acid, centrifugation ma ọ bụ mmịpụta ihe mgbatị ahụ. A na-eji usoro exction acid a na-eji, na-agbakwunye H2SO4 iji dozie uru PH dị 3-4 maka ịmịcha 3-40 t nke 2-40 t, mmanụ nke nwayọọ na-ese n'elu akwa. Ifuru nke mmanu mmanu nwere ike iru 96%, na iwepu codcr bu ihe kariri 92%. N'ozuzu, njupụta nke mmanụ na mmiri inlet bụ 8-10G / l, na ịta mmanụ mmanụ na mpụta mmiri na-erughị 0.1 g / l. A na-ahazi mmanụ mmanụ a gbakere ma gbanwee n'ime abụba abụba agwakọtara nke enwere ike iji mee ncha.
2. Lining na Iwepu ntutu isi
Ibelata na iwepu ntutu isi nwere protein, wayo, sodium sulfide, ndị sodium sulfide, 28% codcr, 92% nke ngụkọta s2-, na 75% nke mkpokọta ss. Usoro ọgwụgwọ gụnyere acidifification, kemịkal na oxiding.
A na-ejikarị usoro acidification na mmepụta. N'okpuru ọnọdụ nrụgide na-adịghị mma, tinye H2SO4 iji mezie uru PH ga-eme 4-4.5, na-etinye ya na ngwọta H2S, ma mepụta sulble Alkali maka iji ya. Protein protein buru ibu na Isthewoter a na-enyocha, saa, ma kpọnwụọ. ghọọ ngwaahịa. Ọnụego iwepụ sọlfọ nwere ike iru ihe karịrị 90%, na codcr na SS na-ebelata codcr site na 85% na 95% n'otu n'otu. Ọnụ ego ya dị ala, ọrụ nrụpụta dị mfe, dị mfe ijikwa, na usoro nrụpụta na-adịteghte.
3. Chrome tanning benthewoter
Isi mmetọ nke chrome tanning bụ nnukwu ọla dị arọ nke cr3 +, ịta ihe dị ka 3-4G / L, na uru pH na-esighi ike acidic. Usoro ọgwụgwọ gụnyere ọdịda alkali na ntụgharị aka. 90% nke ndị na-eme ụlọ na-eji usoro a na-ejikọ alkali, na-agbakwunye lime, Magnesium Oxium, wdg.
N'oge mmeghachi omume, uru pH dị 8.2-8.5, na ọdịda ahụ kachasị mma na 40 Celsius. The Alkali Becipitant bụ Magnesium Oxide, ọnụego mgbake nke Chromium bụ 99%, na ọnụnọ nke Chromium na Effent na-erughị 1 mg / l. Agbanyeghị, usoro a dabara adaba maka nnukwu agụụ, na adịghị adịkwa ka ọ bụrụ na mmanụ na protein na chụrụ nke ọma.
4. Mmiri zuru oke
4.1. Usoro nyocha: Ọ na-agụnye akụrụngwa ọgwụgwọ dịka Grille, na-ekwupụta tank, ndọda eriri na ọdụ ụgbọ mmiri. Ntinye nke ihe na-eme ihe na-egbochi ya na nke Tannery Istheelater dị elu. A na-eji usoro usoro ọmụmụ eme ihe iji mezie olu mmiri na mmiri mmiri; Wepu ss ma kwụsịtụrụ; Belata akụkụ nke ibu mmetọ ma mepụta ọnọdụ dị mma maka ọgwụgwọ ebighi-ebi.
4.2. Usoro nduzi: ρ (codcr) nke tannery bụ 3000-4000 mg / l, bụ (congc) ọ bụ 0.3-0.6, nke kwesịrị ekwesị maka ọgwụgwọ ndu. Ugbu a, a na-ejikwa akwụkwọ akụkọ dị omimi karịa na China, ebe a na-emegharị mmanya na-emegharị emegharị (sbbr).
Oge post: Jan-17-2023
