Treatment of soil
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United States of America Patent
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May 10, 1988
Issued Date -
N/A
app pub date -
Jul 18, 1984
filing date -
Aug 29, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for treating soil which comprises applying to the soil an aqueous solution of a formaldehyde-based pre-condensate containing a condensation initiator in an amount sufficient for condensation to be completed within a predetermined period of time not exceeding 24 hours. Preferably a urea-formaldehyde pre-condensate is used. Advantageously the solution also contains a polysaccharide (alginic acid, alginate, low methoxyl pectin, gum karaya, gum arabic) which is capable of forming a gel with divalent metal cations, particularly calcium, present in soil. The treated soil has improved erosion resistance.
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Cited Art Landscape
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