Dicyandiamide formaldehyde resin decoloring agent

N'ime ọgwụgwọ mmiri mkpofu ụlọ ọrụ mmepụta ihe, ibipụta na ịcha mmiri mkpofu bụ otu n'ime mmiri mkpofu kachasị sie ike ịgwọ. O nwere ihe mejupụtara ya dị mgbagwoju anya, uru chroma dị elu, oke mkpokọta, ọ na-esikwa ike imebi. Ọ bụ otu n'ime mmiri mkpofu ụlọ ọrụ mmepụta ihe kachasị njọ ma sie ike ịgwọ nke na-emerụ gburugburu ebe obibi. Iwepụ chroma siri ike karịa n'etiti ihe isi ike ndị a.

N'ime ọtụtụ ụzọ e si ebipụta ma na-agba mmiri mkpofu, iji coagulation eme ihe bụ ụzọ a na-ejikarị eme ihe n'ụlọ ọrụ. Ugbu a, flocculants a na-ejikarị eme ihe n'ụlọ ọrụ mbipụta ákwà na agba agba na mba m bụ flocculants dabere na aluminum na ígwè. Mmetụta decolorization adịghị mma, ọ bụrụ na e deformed reactive agba, ọ fọrọ nke nta ka ọ ghara inwe mmetụta decolorization, a ka ga-enwekwa ion ígwè n'ime mmiri a gwọrọ agwọ, nke ka na-emerụ ahụ mmadụ na gburugburu ya nke ukwuu.

Ihe na-eme ka agba dicyandiamide formaldehyde resin decolor bụ ụdị nnu ammonium quaternary nke e ji organic polymer flocculant mee. Ma e jiri ya tụnyere flocculants ọdịnala nke na-eme ka agba jupụta, ọ na-agba ọsọ ọsọ, obere dose, ma nnu ndị dị n'otu ebe na-emetụta ya, PH na Uru dị ka obere mmetụta nke okpomọkụ.

Ihe na-eme ka agba dicyandiamide formaldehyde resin decoration bụ ihe na-eme ka agba flocculant nke a na-ejikarị eme ka agba tọọ ụtọ na iwepụ COD. Mgbe ị na-eji ya, a na-atụ aro ka ị gbanwee uru pH nke mmiri mkpofu ka ọ bụrụ nke na-anọpụ iche. Biko kpọtụrụ ndị ọkachamara maka ụzọ ụfọdụ e si eji ya. Dịka ọtụtụ ndị na-arụkọ ọrụ si kwuo, nzaghachi sitere n'aka ndị na-emepụta mbipụta na agba agba dicyandiamide formaldehyde resin decoration nwere mmetụta dị ukwuu na agba nke ibipụta na agba mmiri mkpofu. Ọnụego mwepụ chroma nwere ike iru ihe karịrị 96%, ọnụego mwepụ nke COD erutekwala ihe karịrị 70%.

E ji ihe ndị na-emepụta ...

A na-ebu ụzọ meghachi omume na mmiri acrylamide na formaldehyde nke na-eme ka flocculant ahụ dị ọcha site na iji acrylamide na formaldehyde mee ihe n'okpuru ọnọdụ alkaline, wee meghachi omume na dimethylamine, wee jụọ oyi ma tinye hydrochloric acid na ya. A na-eme ka ngwaahịa ahụ dị jụụ site na ikpochapu mmiri ma na-asachapụ ya iji nweta monomer acrylamide nke a na-eme ka ọ dị ọcha.

E tinyere dicyandiamide-formaldehyde condensation polymer decolorizing flocculant n'afọ 1990. O nwere mmetụta pụrụ iche dị oke mma nke iwepụ agba nke mmiri mkpofu agba. N'ọgwụgwọ nke mmiri mkpofu agba dị elu na nke nwere nnukwu mkpokọta, naanị polyacrylamide ma ọ bụ polyacrylamide ka a na-eji. Polyaluminum chloride flocculant enweghị ike iwepụ agba ahụ kpamkpam, mgbe etinyere flocculant decolorizing, ọ na-ewepụ ebubo na-adịghị mma nke ejikọtara na molekul agba dị na mmiri mkpofu site n'inye nnukwu cations ma si otú a na-emebi ọnọdụ N'ikpeazụ, a na-emepụta ọtụtụ flocculents, nke nwere ike ịmịkọrọ molekul agba mgbe flocculation na destabilization gasịrị, iji mezuo ebumnuche nke decolorization.

Otu esi eji decolorizer:

Ụzọ e si eji flocculant decolate agba yiri nke polyacrylamide. Ọ bụ ezie na nke mbụ dị n'ụdị mmiri mmiri, ọ dị mkpa ka a gwakọta ya tupu e jiri ya. Onye nrụpụta na-atụ aro ka a gwakọta ya na 10%-50%, wee tinye ya na mmiri mkpofu ma gwakọta ya nke ọma. Mee okooko osisi alum. A na-agba ihe agba dị na mmiri mkpofu agba ahụ ma na-amịpụta ya na mmiri, a na-etinyekwa ya na sedimentation ma ọ bụ ikuku iji kewapụ ya.

N'ime mbipụta na agba agba, ákwà na ụlọ ọrụ ndị ọzọ, oriri mmiri dị oke ukwuu, ọnụego ojiji ya dịkwa ala. Ya mere, ihe mkpofu nke akụrụngwa mmiri bụ ihe a na-ahụkarị. Ọ bụrụ na ejiri usoro a mee ọgwụgwọ dị elu na imegharị mmiri mkpofu ụlọ ọrụ a nwere agba dị elu ma dị elu, ọ bụghị naanị na ọ nwere ike ịchekwa ọtụtụ akụrụngwa mmiri ọhụrụ, kamakwa ọ nwere ike ibelata mwepụta nke mmiri mkpofu ụlọ ọrụ mmepụta ihe, nke dị oke mkpa maka ịkwalite mmepe na-adịgide adịgide nke ụlọ ọrụ mbipụta, agba agba na ụlọ ọrụ ákwà.

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