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De-watering process
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Patent number 6,805,802
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Issue date Oct 19, 2004
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General Chemical Corporation
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Christopher Bruce Lind
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Color removal from effluent waters
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Patent number 5,766,485
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Issue date Jun 16, 1998
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General Chemical Corporation
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Christopher Bruce Lind
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Activated silica sol
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Patent number 5,573,674
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Issue date Nov 12, 1996
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General Chemical Corporation
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Christopher B. Lind
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C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE