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Leather sharar ruwa
Leather sharar ruwa Leather sharar ruwa yafi asali ne daga rubber pre-shirya, rubber da sauran m processing sassa
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Leather sharar ruwa
Ruwan datti na fata ya fi yawa ya samo asali ne daga shirye-shiryen fasal, fasal da sauran sassan sarrafawa masu zafi. gurɓataccen nauyi ne degreasing sharar ruwa, nutsar da gashi removal sharar ruwa, chromium rubber sharar ruwa, wannan 3Ruwan sharar gida kusan jimlar ruwan sharar gida50%Amma ya ƙunshi mafi yawan gurɓataccen abu, gurɓataccen abu daban-daban ya ƙunshi jimlar ƙididdigarsu:INCR80%，BOD575%，SS70%sulfide93%Sodium chloride50%Chromium mahada95%.
Rashin gurɓataccen abu a cikin ruwan datti na fata yana da rikitarwa, hanyoyin sarrafa ruwan datti na haɗin kai suna da yawa, akwai hanyoyin sarrafa sinadarai da abubuwa. A cikin gida fata sharar ruwa sarrafawa sau da yawa ya yi amfani da hanyoyin da aka hada da abubuwa sarrafawa da kuma biochemical sarrafawa, wannan hanyar zuba jari lardin, aiki kudin low, iya daidaitawa cimma ka'idodin fitarwa.
Tsarin sarrafa ruwa na biochemical
Pre-processing tsarin: yafi hada da grid, daidaitawa tafkin, ruwan sama tafkin, gas iyo tafkin da sauran processing kayan aiki. Matattarar kayan kwayoyin halitta da dakatarwa mai ƙarfi a cikin ruwan datti yana da ƙarfi, ana amfani da tsarin pre-treatment don daidaita yawan ruwa da ingancin ruwa; cire SS, dakatarwa; Rage wani ɓangare na gurɓataccen nauyi don ƙirƙirar kyakkyawan yanayi don sarrafa halittu na gaba.
Ruwan datti na fata yana ƙunshe da abubuwa masu yawa kamar softeners, penetrants da surfactants, waɗanda ke da wuya a lalata. Kafin sarrafawa na halitta, ana amfani da ozone don oxidizing ruwan sharar gida, canza waɗannan abubuwan halitta na polymer zuwa nau'ikan ƙananan kwayoyin halitta, har ma da abubuwan halitta masu sauƙin narkewa, don haka inganta lalacewar halitta. gwajin tabbatar da BOD5 bayan ozone magani, fata sharar ruwa,CODcr da chromatography suna da raguwa sosai. Hydrolysis acidification kafin aiki na halitta, yin ruwan sharar gidam(BOD5/m(CODcr) yana da darajar0.2 Ƙara zuwaSama da 0.4, sosai inganta biodegradability na sharar ruwa, samar da kyakkyawan yanayi ga aerobic biochemical magani. Wadannan fasahohin biyu idan aka kwatanta da fasahohin gargajiya na gargajiya na gargajiya, ban da inganta lalacewar ruwan sharar gida, suna iya magance matsalolin kumfa a cikin tsarin sarrafa ruwan sharar gida, da ƙananan adadin lalata, yana ba da hanyar magance yawan lalata da aka samar a cikin sarrafa ruwan sharar gida na fata. Hakanan za a iya ƙara condensate, flocculant cire sinadarai kayan aiki da ba su da sauƙi biochemical lalacewa a cikin fata sharar ruwa. Yawancin amfani da subiron sulfate ko alkali aluminum chloride, da adadin da aka saka ne0.03% -0.05%, za a iya cirewaCODcr tare daBOD5 game da50%，S2-70% kuma fiye,SS da Chromatography80% zuwa layi.
Tsarin sarrafawa na halitta: ρ (CODcr) na ruwan datti na fata yawanci shine3000—4000 ruwan sharamg/L, m(BOD5) don1000—2000mg/L， Ya kasance babban matakan ruwan sharar gida,m(BOD5)/m(CODcr) darajar ne0.3—0.6, dace da yin aikin halitta. A halin yanzu a cikin gida aikace-aikace mafi aerobic rami,SBR da biocontact oxidation hanyoyin, da aikace-aikace ƙasa ne jet exposure hanyoyin, interspersed biofilm reactor(SBBR)、 Fluid gado da lifting-type anaerobic mud gado(UASB).
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