高效节能过滤技术与强化过滤过程的途径

高效节能过滤技术与强化过滤过程的途径
都丽红 1,2
(1 上海化工研究院,上海 200062;
,
朱企新 2
2
天津大学化工学院,天津 300072)
DU lihong1 2,ZHU qixin1
(1 Shanghai Research Institute of Chemical Industry,Shanghai 200062
2
School
of
Chemical
Engineering
and
Technology
of
Tianjin
University,Tianjin 300072; )
摘要:本文叙述了国内外过滤与分离技术的发展和趋势.介绍了本文作者在节能型压榨过滤,陶瓷过滤, 纳米过滤等三种节能型过滤技术的研究进展与结果;并针对难过滤物料及高精度过滤与分离的要求,分析了难过滤物料的特点,介绍作者针对酶解液的过滤的应用实例,提出了改善物料性质和强化过滤的有效途径,即添加助滤剂进行掺浆过滤,降低比阻,和控制滤饼厚度,降低滤饼阻力的薄层滤饼过滤,这两种强化过滤技术的集成应用于某个难过滤物料分离的应用实例. 关键词:高效节能难过滤物料强化过滤过程薄层滤饼过滤
中图分类号:TQ028.53
文献标识码:A
稿件编号:2010-LW27
High Efficiency and Energy Saving Filtration Technology and Ways to Enhance Filtration Process
DU lihong1 2,ZHU qixin2
(1 Shanghai Research Institute of Chemical Industry,Shanghai 200062; 2 School Chemical Engineering and Technology of Tianjin of University,Tianjin 300072)
,
[Abstract] This paper reviews current development and trends in filtration and separation technologies, and then introduces research and development efforts by authors on energy saving filtration technologies, such as energy efficient expression, ceramic filter filtration, and nano filtration technology, with a focus on filtration of difficult to be filtered material. Based on the special properties of the difficult to be filtered material, and high separation efficiency requirements, some efficient ways to improve feeding material filterability, and to enhance filtration operation, such as filter aid body feed, or thin cake filtration are proposed. Combination of the filter aid and thin cake filtration can greatly reduce specific cake resistance, control cake thickness growth, and therefore can be successfully used for filtration of difficult to be filtered material. A case study on zymolytic material will be presented in this paper. [Keyword] High efficiency and energy saving, Difficult to be filtered material, Enhanced filtration process, Thin cake filtration

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