Extraction and Determination of Total and Soluble Oxalate in Pulping and Papermaking Raw Materials

被引：0

作者：

Liu, Yingying ^{[1
]}

Zhang, Chunhui ^{[1
]}

Li, Bingyun ^{[1
]}

Li, Hailong ^{[1
]}

Zhan, Huaiyu ^{[1
]}

机构：

[1] S China Univ Technol, State Key Lab Pulp & Paper Engn, Guangzhou 510640, Guangdong, Peoples R China

来源：

BIORESOURCES | 2015年 / 10卷 / 03期

关键词：

Total oxalate; Soluble oxalate; Extraction; Pulping and papermaking raw materials; OXALIC-ACID; PEROXIDE; FOODS;

D O I：

10.15376/biores.10.3.4580-4587

中图分类号：

TB3 [工程材料学]; TS [轻工业、手工业、生活服务业];

学科分类号：

0805 ; 080502 ; 0822 ;

摘要：

Oxalate exists in plant tissue in the form of soluble and insoluble salts. Determination of the oxalate content in a raw material is important for controlling oxalate scaling during the pulping and papermaking processes. In this study, oxalate extraction and determination of the total and soluble oxalate contents in several pulping and papermaking raw materials were investigated. It was found that soluble oxalate can be extracted completely by distilled water at 70 degrees C within 180 min. Total oxalate can be extracted completely by 2-mol/L hydrochloric acid at 70 degrees C within 210 min.

引用

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页码：4580 / 4587

页数：8

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