Daga cikin hanyoyin magance matsalar sharar gida na masana'antu, bugu da rini ruwan shara yana ɗaya daga cikin mafi wahalar magance matsalar sharar gida. Yana da tsari mai rikitarwa, ƙimar chroma mai yawa, yawan amfani da shi, kuma yana da wahalar lalacewa. Yana ɗaya daga cikin mafi tsanani kuma mafi wahalar magance matsalar sharar gida ta masana'antu waɗanda ke gurɓata muhalli. Cire chroma ya fi wahala a cikin wahalhalun.
Daga cikin hanyoyin da ake amfani da su wajen sarrafa bugu da rini a cikin ruwan shara, amfani da coagulation shine hanyar da aka fi amfani da ita a cikin kamfanoni. A halin yanzu, flocculants na gargajiya da ake amfani da su a cikin masana'antun buga yadi da rini a ƙasata sune flocculants na aluminum da na ƙarfe. Tasirin decoration ba shi da kyau, kuma idan an canza launi na reactive, kusan babu wani tasirin decoration, kuma har yanzu za a sami ions na ƙarfe a cikin ruwan da aka yi wa magani, wanda har yanzu yana da matukar illa ga jikin ɗan adam da muhallin da ke kewaye.
Maganin decoration na resin Dicyandiamide formaldehyde wani nau'in gishiri ne na polymer polymer, nau'in gishirin ammonium na quaternary. Idan aka kwatanta da flocculants na gargajiya, yana da saurin flocculation mai sauri, ƙarancin allurai, kuma yana shafar gishirin da ke rayuwa tare, PH da fa'idodi kamar ƙarancin tasirin zafin jiki.
Maganin gyaran launi na dicyandiamide formaldehyde resin decoration wani nau'in flocculant ne da ake amfani da shi musamman don cire launi da kuma cire COD. Lokacin amfani da shi, ana ba da shawarar a daidaita ƙimar pH na ruwan sharar gida zuwa tsaka tsaki. Da fatan za a yi magana da masu fasaha don takamaiman hanyoyin amfani. A cewar haɗin gwiwa da yawa, ra'ayoyin masana'antun bugawa da rini sun nuna cewa dicyandiamide formaldehyde resin decoration yana da tasiri mai mahimmanci akan cire launi na bugu da rini na ruwan sharar gida. Yawan cire chroma zai iya kaiwa sama da kashi 96%, kuma adadin cire COD shima ya kai sama da kashi 70%.
An fara amfani da flocculants na polymer na halitta a shekarun 1950, galibi polyacrylamide water treatment flocculants, kuma ana iya raba polyacrylamide zuwa non-ionic, anionic, da cationic. A cikin wannan labarin, za mu fahimci acrylamide polymer dicyandiamide formaldehyde resin decolorizing flocculant wanda aka gishiri da quaternary amine tsakanin cationic organic polymer flocculants.
Da farko ana yin maganin dicyandiamide formaldehyde resin decolorizing flocculant da acrylamide da formaldehyde a cikin ruwan alkaline, sannan a yi maganin da dimethylamine, sannan a sanyaya a kuma yi maganin da hydrochloric acid. Ana tattara samfurin ta hanyar ƙafewa sannan a tace shi don samun monomer na acrylamide quaternized.
An gabatar da sinadarin dicyandiamide-formaldehyde mai canza launin polymer a shekarun 1990. Yana da tasiri na musamman wajen cire launin ruwan dattin fenti. A fannin maganin ruwan dattin mai launi da yawa, ana amfani da polyacrylamide ko polyacrylamide kawai. Polyaluminum chloride flocculant ba zai iya cire launin gaba daya ba, kuma bayan an ƙara flocculant mai canza launin, yana rage cajin da aka makala ga kwayoyin rini a cikin ruwan dattin ta hanyar samar da adadi mai yawa na cations kuma don haka yana wargazawa. A ƙarshe, an samar da adadi mai yawa na flocculants, waɗanda za su iya shanye kwayoyin rini bayan flocculation da wargazawa, don cimma manufar wargazawa.
Yadda ake amfani da decolorizer:
Hanyar amfani da sinadarin canza launi iri ɗaya ce da ta polyacrylamide. Duk da cewa na farko yana cikin ruwa, yana buƙatar a narkar da shi kafin a yi amfani da shi. Masana'antar ta ba da shawarar a narkar da shi da kashi 10%-50%, sannan a ƙara shi a cikin ruwan sharar sannan a juya shi gaba ɗaya. A samar da furannin alum. Ana yin flocculant mai launi a cikin ruwan sharar da aka yi wa launi kuma a fitar da shi daga cikin ruwan, kuma an sanya masa laka ko kuma iska don a raba shi.
A fannin bugu da rini, masaku da sauran masana'antu, yawan amfani da ruwa yana da yawa sosai kuma yawan sake amfani da shi yana da ƙasa. Saboda haka, ɓarnar albarkatun ruwa abu ne da aka saba amfani da shi. Idan aka yi amfani da wannan tsari don gudanar da ingantaccen magani da sake amfani da wannan ruwan sharar masana'antu mai launi da yawa, ba wai kawai zai iya adana albarkatun ruwa masu yawa na masana'antu ba, har ma zai iya rage fitar da ruwan sharar masana'antu kai tsaye, wanda yake da matuƙar muhimmanci ga haɓaka ci gaban masana'antar bugawa, rini da masaku mai ɗorewa.
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Lokacin Saƙo: Nuwamba-16-2021