|Table of Contents|

Technological Characteristics of Anaerobic Reduction for Flue Gas Pre-treatment Wastewater

《南京理工大学学报》(自然科学版)[ISSN:1005-9830/CN:32-1397/N]

Issue:
2011年03期
Page:
402-406
Research Field:
Publishing date:

Info

Title:
Technological Characteristics of Anaerobic Reduction for Flue Gas Pre-treatment Wastewater
Author(s):
WANG JuanZHONG QinTAN Yu-fang
School of Chemical Engineering,NUST,Nanjing 210094,China
Keywords:
biological flue gas desulphurization flue gas pre-treatment wastewater up-flow anaerobic sludge blanket sulfate reduction bacteria granular sludge
PACS:
X703.1
DOI:
-
Abstract:
Aiming at the industrial application problems of biological flue gas desulphurization process,a 96L up-flow anaerobic sludge blanket reactor is designed for the biological reduction of flue gas pre-treatment wastewater.Sulfate solution is prepared as simulated wastewater and glucose is added as a carbon source of sulfate reduction bacteria.The reactor starts up at pH=6.0.After the mature granular sludge is formed,the effects of different hydraulic retention time(HRT),changeable loading capacity of influent and emergency shutdown on operation performance of the reactor are discussed.The results show:the reactor starts up successfully in 30 days and the mature granular sludge is obtained after the anaerobic sludge is added;the optimal HRT is 12 hours;after a shutdown of 20 days,the reactor is recovered and restarts up in 7 days.The process can meet the demand of intermittent operation and fluctuating concentration of influent wastewater.

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Last Update: 2012-06-30