Method for dehydrating human-waste disposal materials

Details Method for dehydrating human-waste disposal materials Method for dehydrating human-waste disposal materials

1992-01-17

1993-12-07

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

34 14, 210751, 210770, C02F 142

Patent

active

052681050

ABSTRACT:
A method for treating used human-waste disposal materials, containing a highly water-absorbent polymer, that have absorbed the water content of human waste. Such used materials are treated with an aqueous solution of an alkaline earth metal salt, such as calcium or magnesium, and then mechanically dehydrated. With this dehydrating method, the water content of used disposable paper diapers can be reduced efficiently and at low cost. This makes the dehydrated human-waste disposal material, such as disposable paper diapers, to be easily disposed of by incineration or other appropriate post-treatment means, or to be used effectively as an organic fertilizer.

REFERENCES:
patent: 3947350 (1976-03-01), Cardinal
patent: 5149335 (1992-09-01), Kellenberger et al.

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