Liquid purification or separation – Processes – Chemical treatment
Patent
1988-11-04
1989-12-26
Sever, Frank
Liquid purification or separation
Processes
Chemical treatment
210757, 210758, C02F 168
Patent
active
048896411
ABSTRACT:
Process for the neutralization of a layer of acidic water over a sediment comprising a humic substance, according to which blocks of a sodium compound are made to fall through the water layer and to enter the sediment at least partially.
REFERENCES:
patent: 3888756 (1975-06-01), Teshima et al.
patent: 4747958 (1988-05-01), Eberhardt
OPD -The Chemical Marketing Newspaper
Hydrobiologia 92 537-547 (1982).
Sever Frank
Solvay & Cie
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