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过程工程学报 2002
CleanerProductionofWheatStrawPulpKeywords: cleanerproduction,pulpingwithNH4OHandKOH,wheatstraw,delignification Abstract: ApulpingmethodusingNH4OHwithlessamountofKOHascookingliquoronwheatstrawwasdeveloped.KOHcouldreduceconsumptionofNH3andcookingtimeforitsstrongalkalinity.Theeffectsofvariouspulpingconditionssuchascompositionofcookingliquor,liquid-to-solidratio,maximumtemperature,cookingtimetothemaximumtemperatureandcookingtimeatthemaximumtemperaturewerestudied.Experimentalresultsindicatedthattherateofdelignificationwas85.12%andthepulpyieldwas49.65%undersuitablepulpingconditions.Itlookspromisingtouseblackliquorcontainingnitrogen,phosphorus,potassiumandorganicsubstanceasfertilizerresourcesforagriculturalproduction.Anewpatternofecologicalcyclingmaybesetupbetweenpaperindustryandfarming.
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