{"title":"Effects of Ethanol Addition and Biological Pretreatment on Soda Pulping of Eulaliopsis binata","authors":"A. Gautam, Amit Kumar, D. Dutt","doi":"10.4236/JBNB.2016.72010","DOIUrl":null,"url":null,"abstract":"Morphological characteristics and proximate chemical analysis of E. binata showed it as a suitable \nraw material for writing and printing grade paper. Maximum pulp yield (43.58%) of kappa number \n17.38 with 0.9% screening rejects was obtained at 12% of active alkali (as Na2O) pulping \ntemperature 130°C, cooking time 120 min and solid to liquor ratio 1:4. During bio-soda pulping of E. binata, pulp yield decreased slightly while pulp brightness, tensile index, burst index and double \nfold numbers were improved by 4.1%, 24.94%, 14.03% and 48.45% respectively compared to soda \npulping. During ethanol-soda pulping of E. binata, pulp yield, pulp brightness, tensile index, \nburst index and double fold numbers were improved by 3.9%, 6.6%, 32.18%, 35.40% and 77.31% \nrespectively compared to soda pulping.","PeriodicalId":68623,"journal":{"name":"生物材料与纳米技术(英文)","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2016-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"9","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"生物材料与纳米技术(英文)","FirstCategoryId":"1089","ListUrlMain":"https://doi.org/10.4236/JBNB.2016.72010","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 9
Abstract
Morphological characteristics and proximate chemical analysis of E. binata showed it as a suitable
raw material for writing and printing grade paper. Maximum pulp yield (43.58%) of kappa number
17.38 with 0.9% screening rejects was obtained at 12% of active alkali (as Na2O) pulping
temperature 130°C, cooking time 120 min and solid to liquor ratio 1:4. During bio-soda pulping of E. binata, pulp yield decreased slightly while pulp brightness, tensile index, burst index and double
fold numbers were improved by 4.1%, 24.94%, 14.03% and 48.45% respectively compared to soda
pulping. During ethanol-soda pulping of E. binata, pulp yield, pulp brightness, tensile index,
burst index and double fold numbers were improved by 3.9%, 6.6%, 32.18%, 35.40% and 77.31%
respectively compared to soda pulping.
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