中国造纸学报2024，Vol.39Issue(1)：146-154,9.DOI:10.11981/j.issn.1000-6842.2024.01.146
蛋清蛋白絮凝处理脱除玉米秸秆水解液中的木质素衍生物
Study on the Removal of Lignin Derivatives from Corn Stalk Hydrolysate via Flocculation Treatment by Egg White Protein
摘要
Abstract
In order to improve the biodegradability of corn stalk hydrolysate(CSH),the effect of egg white protein(EWP)flocculation treat-ment on the removal of lignin derivatives from CSH was studied and compared with general flocculant FeCl3 and CPAM.The results showed that EWP thermal flocculation treatment(heating at 100 ℃ for 5 min)was used in the CSH with original CODCr concentration of 40 g/L,the removal rate of macromolecular lignin(calculated by turbidity)could reach(76.87+3.00)％,which was significantly better than that of FeCl3 and CPAM(P＜0.05).At the same time,EWP thermal flocculation treatment did not cause obvious loss of sugar,furan,and weak acid.Due to the sulfhydryl-disulfide bond cross-linking between EWP and lignin derivatives,macromolecular compounds formed via hydrophobic reac-tion,which promoted the removal of lignin derivatives from CSH.关键词
玉米秸秆/水解液/蛋清蛋白/絮凝Key words
cornstalk/hydrolysate/egg white protein/flocculation分类
轻工纺织引用本文复制引用
赵敏,陈妍,王高升,于孟辉..蛋清蛋白絮凝处理脱除玉米秸秆水解液中的木质素衍生物[J].中国造纸学报,2024,39(1):146-154,9.基金项目
天津市自然科学基金(16JCZDJC39700). （16JCZDJC39700）
