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C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
C02F3/00—Biological treatment of water, waste water, or sewage
C02F3/30—Aerobic and anaerobic processes
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FR322765D1902-07-031902-07-03
Process for the purification of industrial water and other contaminated with nitrogenous organic matter
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