Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1977-06-03
1978-04-11
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
C02B 120
Patent
active
040837831
ABSTRACT:
An insoluble alkali metal-magnesium starch-xanthate composition is prepared which is capable of removing most heavy metal ions from aqueous solutions. Concentrations of heavy metal ions obtained in several industrial effluents were reduced to below the most stringent aqueous discharge limits.
REFERENCES:
patent: 3385719 (1968-05-01), Lancaster et al.
patent: 3947354 (1976-03-01), Swanson et al.
Wing; R. E., "Heavy Metal Removal from Waste Water with Starch Xanthate", Proceed, 29th Ind. Waste Conf., Purdue Univ., pp. 348-356 (1974).
Doane William M.
Wing Robert E.
Castel Benoit
Hart Charles N.
McConnell David G.
Ribando Curtis P.
Silverstein M. Howard
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