Effects of biochar on nitrogen transformation and heavy metals in sludge composting.

  title={Effects of biochar on nitrogen transformation and heavy metals in sludge composting.},
  author={Wei Liu and Rong Huo and Junxiang Xu and Shu-xuan Liang and Jijin Li and Tongke Zhao and Shutao Wang},
  journal={Bioresource technology},
Composting is regarded as an effective treatment to suppress pathogenic organisms and stabilize the organic material in sewage sludge. This study investigated the use of biochar as an amendment to improve the composting effectiveness and reduce the bioavailability of heavy metals and loss of nitrogen during composting. Biochar of 0%, 1%, 3%, 5% and 7% were added into a mixture of sludge and straw, respectively. The use of biochar, even in small amounts, altered the composting process and the… CONTINUE READING

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