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Method of treating sludge
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Patent number 11,440,828
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Issue date Sep 13, 2022
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Veolia Water Solutions & Technologies Support
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Hong W. Zhao
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Modified carbonized red mud
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Patent number 9,908,986
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Issue date Mar 6, 2018
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FLUORCHEMIE GMBH FRANKFURT
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Christian Rocktäschel
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C05 - FERTILISERS MANUFACTURE THEREOF
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Agri- and horticultural material
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Limited Company Nogyokagaku Kenkyusho
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Todomu Nakashima
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A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
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Purifying oil shale retort water
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Patent number 4,124,501
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Issue date Nov 7, 1978
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University of Southern California
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Teh F. Yen
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C05 - FERTILISERS MANUFACTURE THEREOF
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3929586
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C05 - FERTILISERS MANUFACTURE THEREOF
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C05 - FERTILISERS MANUFACTURE THEREOF
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C05 - FERTILISERS MANUFACTURE THEREOF
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1384990
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C05 - FERTILISERS MANUFACTURE THEREOF