Fabrication and evaluation of an attapulgite membrane as the filter for recycling blowdown water from industrial boilers

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	Fabrication and evaluation of an attapulgite membrane as the filter for recycling blowdown water from industrial boilers
	Fan, Baomin 1; Hao, Hua 2; Guo, Anru 3; Yang, Ruping 3
刊名	JOURNAL OF WATER REUSE AND DESALINATION
	2016-09-01
卷号	6 期号:3 页码:399-412
关键词	attapulgite ceramic membrane continuous blowdown water industrial boiler make-up water
英文摘要	Continuous blowdown water (CBW) from industrial boilers is of great quantity and energy, and therefore worth recycling. According to the data from a long period of monitoring, carbonate and sulfate were documented as the main contaminants in CBW. Herein, an attapulgite (ATP) membrane was prepared on a macroporous Al2O3 support through solid state sintering. The prepared membrane (attapulgite membrane (ATM)) was characterized by mercury porosimetry, scanning electron microscope, X-ray diffraction, and permselectivity analysis in dead-end mode. The optimal sintering temperature was 800 degrees C based on the morphology of the sintered active layer and its adhesive strength with support. The active layer exhibited a pore size distribution concentrated on 12.7 nm with a thickness of about 80 mu m. In addition, crystal structures of ATP were retained in powder form after sintering. ATM obtained a pure water permeability of 1,411.87 Lm(-2)h(-1)MPa(-1) with the effective retention of carbonate and sulfate through electrical-related interactions. Several ATM filters were also developed and mounted on the boiler blowdown pipe, which had a high rejection rate of alkalinity and dissolved solids in CBW. The volume of wastewater emitted from the low-pressure boiler was reduced, since the filtrate could be recycled as part of the make-up water.
收录类别	SCI
语种	英语
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/35414]
专题	化学研究所_其它
作者单位	1.Beijing Technol & Business Univ, Dept Mat Sci & Engn, Beijing 100048, Peoples R China 2.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China 3.China Aerosp Sci & Technol Corp, Aerosp Res Inst Mat & Proc Technol, Beijing 100076, Peoples R China
推荐引用方式 GB/T 7714	Fan, Baomin,Hao, Hua,Guo, Anru,et al. Fabrication and evaluation of an attapulgite membrane as the filter for recycling blowdown water from industrial boilers[J]. JOURNAL OF WATER REUSE AND DESALINATION,2016,6(3):399-412.
APA	Fan, Baomin,Hao, Hua,Guo, Anru,&Yang, Ruping.(2016).Fabrication and evaluation of an attapulgite membrane as the filter for recycling blowdown water from industrial boilers.JOURNAL OF WATER REUSE AND DESALINATION,6(3),399-412.
MLA	Fan, Baomin,et al."Fabrication and evaluation of an attapulgite membrane as the filter for recycling blowdown water from industrial boilers".JOURNAL OF WATER REUSE AND DESALINATION 6.3(2016):399-412.