Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent
1974-10-16
1976-09-07
Hart, Charles N.
Liquid purification or separation
With alarm, indicator, register, recorder, signal or...
Responsive to fluid flow
C02B 140
Patent
active
039792862
ABSTRACT:
An insoluble-starch-xanthate composition is prepared which is capable of removing most heavy metal ions from aqueous solutions. Concentrations of heavy metal ions contained in several industrial effluents were reduced to below the most stringent aqueous discharge limits.
REFERENCES:
patent: 3763060 (1973-10-01), Hamerstrand et al.
patent: 3834984 (1974-09-01), Wing et al.
Swanson et al.; "Mercury Removal from Wastewater with a Starch Xanthate Cationic Polymer Complex" Environ. Sci. of Technol. 7, 614 (1973).
Wing et al.; "Heavy Metal Removal with Starch Xanthate-Cationic Polymer Complex" W.P.C.F. Journal vol. 46, No. 8, pp. 2043-2047 (8/1974).
Russell et al.; "Cereal Pulps I Preparation and Application of X-Linked Cereal Xanthates in Paper Products", Tappi vol. 45, No. 7 pp. 537-566, July 1962.
Doane William M.
Wing Robert E.
Castel Benoit
Hart Charles N.
McConnell David G.
Ribando Curtis P.
Silverstein M. Howard
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