Extraction of organic matter from naturally occurring...

Details Extraction of organic matter from naturally occurring... Extraction of organic matter from naturally occurring...

B - Operations, Transporting

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D

B01D 57/00 (2006.01) A01N 25/02 (2006.01) A01P 3/00 (2006.01) A01P 21/00 (2006.01) C05F 11/00 (2006.01) C05F 11/02 (2006.01) C09K 17/00 (2006.01)

Patent

CA 2734464

Natural organic-containing substrates such as leonardite, lignite, peat, shale, sediment and soil are treated with alkaline or suitable chelating agents as extractants for organic matter in the nature of soluble fulvic and humic acid fractions . The mixture containing naturally occurring substances and extractant is then transferred to a centrifuge to produce a sediment or settled phase and a supernatant phase. The yield of organic matter found in the supernatant phase following centrifugation is significantly greater than the corresponding yield obtained when the mixtures are allowed to settle under gravity in the absence of centrifugation.

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