摘要:
厌氧反应器中的微量金属对微生物的生长具有促进或抑制作用。对微量金属的促进和抑制作用机理进行了分析,并从金属的浓度、化学形态、投加方式、拮抗、协同和螯合作用等方面阐述了影响金属生物利用度的因素,提出微量金属在废水厌氧处理的研究中存在的问题及今后的研究方向。
关键词:
微量金属,
厌氧微生物,
生物利用度
Abstract:
The role of trace metals in anaerobic bioreactors has gained a lot of attention recently.Trace metals can be stimulatory,inhibitory or even toxic to anaerobic microorganisms.Whether they are bioavailable is determined by the metal concentration,chemical forms of the metals,dosing strategies,antagonistic and synergistic effects,complexing agents and process-related factors such as pH.The trace metal stimulatory and inhibitory mechanisms and the factors affecting metal bioavailability are reviewed.Some practical problems and research key points on this subject are also proposed.
Key words:
trace metal,
anaerobic microorganisms,
bioavailability
中图分类号:
张鹏, 陈银广, 周琪. 微量金属对废水厌氧处理的促进和抑制作用[J]. 工业水处理, 2009, 29(4): 12-15.
Zhang Peng, Chen Yinguang, Zhou Qi. Stimulation and inhibition effects of trace metals on wastewater anaerobic treatment[J]. INDUSTRIAL WATER TREATMENT, 2009, 29(4): 12-15.