摘要
藻酸盐作为一类多糖类物质,不仅可以从海洋褐藻中提取,也是固氮菌与假单胞菌在特定环境下利用有机物合成的高附加值生物聚合物。而污水生物处理过程,特别是被誉为下一代污水处理技术的好氧颗粒污泥,在特定环境条件下可以从其成粒过程分泌出大量的藻酸盐胞外聚合物(TIF)。这就为污水资源化以及神秘的好氧颗粒污泥技术增添了几分工程应用色彩,也为污水中有机物(COD)资源化应用开辟了新途径。简要介绍了藻酸盐的来源与特性,分析微生物纯培养合成藻酸盐过程以及影响因素,总结污水处理过程中合成藻酸盐研究现状,并对藻酸盐与细胞分离、回收予以阐述。
As a natural polysaccharide, alginate is a high value-added biopolymer, which can be extracted not only from brown seaweed, but also could be secreted by azotobacter and pseudomonas with utilizing organic matters under some specific environments. Moreover, aerobic granular sludge, generation technology of biological wastewater treatment, could produce a large number of alginate a next in the form of extracellular polymeric substance （EPS） under some specific environments. For this reason, both resource recovery and engineering application could be accelerated by mysterious aerobic granular sludge, which would open a new approach to converting organic （COD） into resource. With this article, four as- pects about alginate are elucidated： 1 ） sources controlling factors of bio-synthesized from alginate production in pure and properties of alginate; 2） biosynthetic process and cultures; 3 ） research and application situation of alginate wastewater; 4） separation and recovery of alginate from cells.
作者
曹达啟
王振
郝晓地
仇付国
CAO Da-qi WANG Zhen HAO Xiao-di QIU Fu-guo(R ＆ D Centre for Sustainable Wastewater Treatment, Key Laboratory of Urban Stormwater System and Water Environment 〈 Ministry of Education 〉 , Beifing University of Civil Engineering and Architecture, Beifing 100044, China)
出处
《中国给水排水》
CAS
CSCD
北大核心
2017年第4期1-6,共6页
China Water & Wastewater
基金
中国博士后科学基金资助项目(2015M580968)
北京市博士后工作经费资助项目
关键词
藻酸盐
污水处理
好氧颗粒污泥
固氮菌
假单胞菌
胞外聚合物(EPS)
alginate
wastewater treatment
aerobic granular sludge
azotobacter
pseudomonas
extracellular polymeric substances （EPS）
