Masana'antar takarda ita ce mafi yawan masu amfani da kayayyakin Sodium Sulfite. Sodium Sulfite yana ɗaya daga cikin mahimman hanyoyin pulping a masana'antar papermaking, musamman ma don pulping ba tare da itace ba. Fa'idodin wannan hanyar pulping sune launin haske, ƙarancin amfani da sinadarin bleaching da sauran sinadarai, kuma ana iya sake amfani da ruwan sharar don samar da nau'ikan samfuran da suka rage. Sodium sulfite anhydrous da ake amfani da shi wajen girkin bambaro na alkama, a bayyane yake cewa yawan pulping yana inganta, ƙarancin kumfa slurry, ingantaccen tacewa, sauƙin wankewa, adana ruwa, rage amfani da wutar lantarki. An rage matakin bugun slurry, ƙarfin fiber yana da kyau, sauƙin yin takarda. Launin manna yana da sauƙi, mai sauƙin bleaching kuma yana rage adadin chlorine. A zafin ℃ 160, 20% (yawa) Sodium Sulfite ya nuna kyakkyawan tasirin cleignification akan bagasse da ikon raba fiber, kuma ƙimar cleating ta kai sama da 48% bayan mintuna 30.
Tare da ci gaba da haɓaka masana'antar yin takarda, sake amfani da zare na biyu yana da matuƙar muhimmanci ga masana'antar yin takarda, wanda ba wai kawai zai iya adana kuɗin yin takarda ba, har ma yana adana albarkatun gandun daji, rage amfani da makamashi, kuma yana da amfani ga kare muhalli. SSA kyakkyawan wakili ne na deinking, wanda ke taka rawa a cikin deinking don hana ɓawon burodi yin rawaya, kuma deinking na sodium sulphite a ƙarƙashin yanayin alkaline mai rauni ya fi dacewa don cire tawada. Idan babu surfactant, ya wargaje a cikin 10% yawan slurry, ƙara 2% sodium sulfite yana da tasiri a bayyane. Ana amfani da sodium sulfite mai tsaka tsaki don lalata tsohon jarida, kuma adadin sodium sulfite shine 3% ~ 4%, wanda zai iya samun kyakkyawan tasirin deinking, rage yawan gurɓataccen ruwan sharar gida, kuma yana da amfani ga maganin ruwan sharar gida daga baya.
Lokacin Saƙo: Maris-30-2021