Treatment of soil

Details Treatment of soil Treatment of soil

1984-07-18

1988-05-10

Lander, Ferris H.

Chemistry: fertilizers

Processes and products

Organic material-containing

71903, 405264, 106900, C05C 902

Patent

active

047432888

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.

REFERENCES:
patent: 3180097 (1965-04-01), McDowell
patent: 3208226 (1965-09-01), Falvey
patent: 3391542 (1968-07-01), Herrick et al.
patent: 3495412 (1970-02-01), Sakata et al.
patent: 3611733 (1971-10-01), Eilers et al.
Translation of Japanese Patent 58-27304, Hasegawa, et al., 6/8/83.

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