The effect of heavy metals on methane production and hydrogen and carbon monoxide levels during batch anaerobic sludge digestion

@inproceedings{Hickey1989TheEO,
  title={The effect of heavy metals on methane production and hydrogen and carbon monoxide levels during batch anaerobic sludge digestion},
  author={Robert F. Hickey and Juliana Vanderwielen and Michael S. Switzenbaum},
  year={1989}
}
Abstract Heavy metals can cause upset in the anaerobic digestion of municipal sludges. Using serum bottle assays, the impact of three transition heavy metals—copper, zinc and cadmium on methane production rate and trace hydrogen and carbon monoxide gas levels during the digestion of waste activated sludge was examined. Results indicate that normal substrate flow is interrupted at a point in the degradation sequence prior to the methanogenic steps by the pulse addition of heavy metals. Substrate… CONTINUE READING

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