Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1974-08-09
1976-06-08
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
210 18, 210 63R, C02C 106
Patent
active
039620735
ABSTRACT:
A process for treating a waste liquor from a hydrosulfite process by an activated sludge process is improved by aerating the waste in the presence of a metal ion before the activated sludge process.
REFERENCES:
patent: 3186942 (1965-06-01), Benger
patent: 3627676 (1971-12-01), Eccles, Jr.
patent: 3718732 (1973-02-01), Winslow, Jr. et al.
Amemiya Akira
Komatsu Toshio
Otsuka Sadao
Yoshikawa Yoshio
Castel Benoit
Hart Charles N.
Mitsubishi Gas Chemical Company Inc.
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