Dicyandiamide formaldehyde resin decoloring agent

N'ime ọgwụgwọ mmiri mkpofu nke ụlọ ọrụ mmepụta ihe, ibipụta na ịcha mmiri bụ otu n'ime mmiri mkpofu kacha sie ike ịgwọ.Ọ nwere ihe mgbagwoju anya, uru chroma dị elu, nnukwu ntinye uche, ọ na-esikwa ike imebi.Ọ bụ otu n'ime ihe kacha njọ na nke siri ike ịgwọ mmiri mkpofu ụlọ ọrụ na-emerụ gburugburu ebe obibi.Mwepụ nke chroma bụ ọbụna ihe siri ike n'etiti ihe isi ike.

N'ime ọtụtụ ụzọ obibi akwụkwọ na ịcha akwa mmiri, iji coagulation eme ihe bụ usoro a na-ejikarị eme ihe na ụlọ ọrụ.Ka ọ dị ugbu a, flocculants ndị a na-ejikarị na-ebi akwụkwọ na ụlọ ọrụ na-esiji akwa na mba m bụ ndị na-emepụta ihe na-emepụta aluminum na ígwè.Mmetụta loclorization bụ ogbenye, ma ọ bụrụ na ọ na-emeghachi omume na-emegharị emegharị, enwere ọfụma ọ bụla, a ga-enwekwa mmetụta nbibi n'ime mmiri a na-agwọ ọrịa, nke ka na-emerụ ahụ ahụ mmadụ na gburugburu ya.

Dicyandiamide formaldehyde resin decoloring agent bụ organic polymer flocculant, quaternary ammonium nnu ụdị.E jiri ya tụnyere omenala nkịtị decolorizing flocculants, ọ nwere a ngwa ngwa flocculation ọsọ, obere onunu ogwu, na-emetụta ọnụ ọnụ salts, PH na Uru dị ka obere mmetụta nke okpomọkụ.

Dicyandiamide formaldehyde resin decoloring agent bụ flocculant nke a na-ejikarị eme ihe maka ncha na mwepụ COD.Mgbe ị na-eji ya, a na-atụ aro ka ịhazie uru pH nke mmiri mkpofu na-anọpụ iche.Biko kpọtụrụ ndị ọrụ nka maka ụzọ ojiji akọwapụtara.Dị ka ọtụtụ nkwado si kwuo nzaghachi sitere n'aka ndị na-ebipụta akwụkwọ na ịcha akwa bụ na dicyandiamide formaldehyde resin decolorizer nwere mmetụta dị ukwuu na mwepu nke ibipụta na ịcha mmiri mkpofu.Ọnụego mwepụ chroma nwere ike iru karịa 96%, na mwepụ nke COD erutewokwa karịa 70%.

A na-eji ihe ndị na-emepụta ihe na-emepụta ihe na-emepụta ihe na-emepụta ihe na 1950s, karịsịa polyacrylamide mmiri ọgwụgwọ flocculants, na polyacrylamide nwere ike kewaa na-abụghị ionic, anionic, na cationic.N'isiokwu a, anyị ga-aghọta acrylamide polymer dicyandiamide formaldehyde resin decolorizing flocculant nke a na-etinye nnu na quaternary amine n'etiti cationic organic polymer flocculants.

A na-ebu ụzọ meghachi omume dicyandiamide formaldehyde resin decolorizing flocculant na acrylamide na formaldehyde mmiri mmiri n'okpuru ọnọdụ alkaline, wee meghachi ya na dimethylamine, wee mee ka ọ dị mma na quaternized na hydrochloric acid.A na-etinye uche na ngwaahịa a site na evaporation na nzacha iji nweta acrylamide monomer nke nwere akụkụ anọ.

Diyandiamide-formaldehyde condensation polymer decolorizing flocculant ewebata na 1990s.Ọ nwere mmetụta pụrụ iche magburu onwe ya nke iwepụ agba nke mmiri mkpofu ihe.N'ime ọgwụgwọ nke oke agba na mmiri mkpofu dị elu, a na-eji naanị polyacrylamide ma ọ bụ polyacrylamide.Polyaluminum chloride flocculant enweghị ike iwepu pigmenti kpamkpam, na mgbe ị gbakwunyere decolorizing flocculant, ọ na-ewepụ ụgwọ na-adịghị mma nke etinyere na ụmụ irighiri ihe na-esiji n'ime mmiri mkpofu site n'inye nnukwu cations ma si otú a na-emebi emebi N'ikpeazụ, a na-emepụta ọnụ ọgụgụ buru ibu nke floccules. nwere ike banye ụmụ irighiri ihe na-esiji mmiri mgbe flocculation na destabilization, iji nweta ebumnuche nke decolorization.

Otu esi eji decolorizer:

Usoro iji decolorizing flocculant yiri nke polyacrylamide.Ọ bụ ezie na nke mbụ dị n'ụdị mmiri mmiri, ọ dị mkpa ka a gbanye ya tupu e nwee ike iji ya mee ihe.Onye na-emepụta ihe na-atụ aro ka 10% -50% gbanye ya, wee tinye ya na mmiri mkpofu ma kpalie ya kpamkpam.Ụdị okooko osisi alum.Ihe na-acha agba na mmiri na-acha odo odo na-agbapụta ma na-esi na mmiri pụta, ma na-edozi ya na sedimentation ma ọ bụ ikuku flotation iji nweta nkewa.

N'ime mbipụta na ịcha akwa, textiles na ụlọ ọrụ ndị ọzọ, oriri mmiri dị ukwuu na ọnụ ọgụgụ ndị ọzọ na-eji ya dị ala.Ya mere, n'efu nke akụ mmiri bụ ihe a na-ahụkarị.Ọ bụrụ na usoro a na-eji na-eduzi elu ọgwụgwọ na recycling nke a elu-agba na elu-etinye uche ulo oru mkpofu mmiri, Ọ bụghị nanị na ọ pụrụ ịzọpụta a otutu nke ọhụrụ ụlọ ọrụ mmiri akụrụngwa, ma ọ nwekwara ike ozugbo ibelata ihapu nke ulo oru mkpofu mmiri, nke bụ. nke dị ukwuu ma dị oke mkpa maka ịkwalite mmepe na-adịgide adịgide nke ụlọ ọrụ obibi akwụkwọ, ịcha akwa na akwa.

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