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Conference Paper: Research on the process of cellulose purification from wheat straw ethanol pulp
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TitleResearch on the process of cellulose purification from wheat straw ethanol pulp
 
AuthorsLi, J2
Zhang, M2
Liu, Y1
Yang, B2
Zhang, Y2
 
KeywordsCellulose
Mcc
Pollution-Free
Purification
Wheat Straw
 
Issue Date2011
 
Citation16Th International Symposium On Wood, Fiber And Pulping Chemistry - Proceedings, Iswfpc, 2011, v. 1, p. 427-431 [How to Cite?]
 
AbstractCotton pulp and wood pulp were commonly served as raw materials to produce microcrystalline cellulose, whereas wheat straw has not been reported for being used as the raw material. This research focused on cellulose purification from wheat straw ethanol pulp by a QZPX pollution-free process, which was one of the primary processes for MCC preparation. Chelating treatment (Q) used EDTA at the dosage of 0.4% (oven dry base, similarly hereinafter). The optimal ozone treatment (Z) was found to be at the dosage of 1.2% when the pulp consistency was 45% and pH was 2. After the Z treatment, the KMnO 4 value of the pulp was decreased from 18.2 to 3.7, the brightness was increased from 26.4%ISO to 55.6%ISO, and the degree of polymerization (DP) was decreased from 675 to 646. The optimal H 2O 2 (P) process conditions were: pulp consistency 12%, C 6H 5Na 3O 7 dosage 1%, H 2O 2 dosage 3%, NaOH dosage 1.8%, temperature 70°C, and time 120min. The suitable xylanase (X) process conditions were enzyme dosage 1.5 IU/g, pulp consistency 5%, temperature 50°C, and time 150 min. The properties of the final product after QZPX treatment were: α-cellulose content 94.67%, brightness 85.6% ISO, and DP 615.
 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorLi, J
 
dc.contributor.authorZhang, M
 
dc.contributor.authorLiu, Y
 
dc.contributor.authorYang, B
 
dc.contributor.authorZhang, Y
 
dc.date.accessioned2012-08-08T09:06:10Z
 
dc.date.available2012-08-08T09:06:10Z
 
dc.date.issued2011
 
dc.description.abstractCotton pulp and wood pulp were commonly served as raw materials to produce microcrystalline cellulose, whereas wheat straw has not been reported for being used as the raw material. This research focused on cellulose purification from wheat straw ethanol pulp by a QZPX pollution-free process, which was one of the primary processes for MCC preparation. Chelating treatment (Q) used EDTA at the dosage of 0.4% (oven dry base, similarly hereinafter). The optimal ozone treatment (Z) was found to be at the dosage of 1.2% when the pulp consistency was 45% and pH was 2. After the Z treatment, the KMnO 4 value of the pulp was decreased from 18.2 to 3.7, the brightness was increased from 26.4%ISO to 55.6%ISO, and the degree of polymerization (DP) was decreased from 675 to 646. The optimal H 2O 2 (P) process conditions were: pulp consistency 12%, C 6H 5Na 3O 7 dosage 1%, H 2O 2 dosage 3%, NaOH dosage 1.8%, temperature 70°C, and time 120min. The suitable xylanase (X) process conditions were enzyme dosage 1.5 IU/g, pulp consistency 5%, temperature 50°C, and time 150 min. The properties of the final product after QZPX treatment were: α-cellulose content 94.67%, brightness 85.6% ISO, and DP 615.
 
dc.description.naturelink_to_subscribed_fulltext
 
dc.identifier.citation16Th International Symposium On Wood, Fiber And Pulping Chemistry - Proceedings, Iswfpc, 2011, v. 1, p. 427-431 [How to Cite?]
 
dc.identifier.epage431
 
dc.identifier.scopuseid_2-s2.0-84862937283
 
dc.identifier.spage427
 
dc.identifier.urihttp://hdl.handle.net/10722/159065
 
dc.identifier.volume1
 
dc.languageeng
 
dc.relation.ispartof16th International Symposium on Wood, Fiber and Pulping Chemistry - Proceedings, ISWFPC
 
dc.relation.referencesReferences in Scopus
 
dc.subjectCellulose
 
dc.subjectMcc
 
dc.subjectPollution-Free
 
dc.subjectPurification
 
dc.subjectWheat Straw
 
dc.titleResearch on the process of cellulose purification from wheat straw ethanol pulp
 
dc.typeConference_Paper
 
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<contributor.author>Zhang, M</contributor.author>
<contributor.author>Liu, Y</contributor.author>
<contributor.author>Yang, B</contributor.author>
<contributor.author>Zhang, Y</contributor.author>
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<description.abstract>Cotton pulp and wood pulp were commonly served as raw materials to produce microcrystalline cellulose, whereas wheat straw has not been reported for being used as the raw material. This research focused on cellulose purification from wheat straw ethanol pulp by a QZPX pollution-free process, which was one of the primary processes for MCC preparation. Chelating treatment (Q) used EDTA at the dosage of 0.4% (oven dry base, similarly hereinafter). The optimal ozone treatment (Z) was found to be at the dosage of 1.2% when the pulp consistency was 45% and pH was 2. After the Z treatment, the KMnO 4 value of the pulp was decreased from 18.2 to 3.7, the brightness was increased from 26.4%ISO to 55.6%ISO, and the degree of polymerization (DP) was decreased from 675 to 646. The optimal H 2O 2 (P) process conditions were: pulp consistency 12%, C 6H 5Na 3O 7 dosage 1%, H 2O 2 dosage 3%, NaOH dosage 1.8%, temperature 70&#176;C, and time 120min. The suitable xylanase (X) process conditions were enzyme dosage 1.5 IU/g, pulp consistency 5%, temperature 50&#176;C, and time 150 min. The properties of the final product after QZPX treatment were: &#945;-cellulose content 94.67%, brightness 85.6% ISO, and DP 615.</description.abstract>
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Author Affiliations
  1. Qingdao Haiwang Paper Co. Ltd.
  2. Shaanxi University of Science and Technology