Inertization of liquid waste, mud and solid waste containing heavy metals by sulphate-reducing bacteria
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United States of America Patent
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Aug 26, 1997
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N/A
app pub date -
Jul 7, 1995
filing date -
Jul 13, 1994
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Abstract
Process for the inertization of liquid waste, mud and solid waste, containing sulphates and heavy metals, which comprises a neutralization step of the compounds to be treated and an anaerobic reduction step of the sulphate ion to allow the formation of sulphide ions necessary for the process. A consortium of sulphate-reducing bacteria and lactobacilli is used, with whey as a carbon and nitrogen source.
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