Process for removing contaminants with popcorn

Details Process for removing contaminants with popcorn Process for removing contaminants with popcorn

1998-06-19

2000-12-19

Cintins, Ivars

Liquid purification or separation

Processes

Ion exchange or selective sorption

95 90, 95141, 210691, B01D 1500, B01D 5302, C02F 128

Patent

active

061623636

ABSTRACT:
A method for removing contaminants from fluids comprises contacting the fluid with an expanded material selected from popped corn, puffed rice and puffed wheat. The preferred expanded material is popped corn. The method is applicable to a wide range of organic and inorganic contaminants. Examples of contaminants include aromatic compounds such as polychlorinated biphenyls (PCBs), polychlorinated dibenzo furans (PCDFs), polychlorinated dibenzo dioxins (PCDDs), carbamates, sulphonamides, dichlorodiphenyltrichloroethane (DDT), 2,4-dichlorophenoxyacetic acid (2,4-D), other compounds such as carbon disulphide, ethylene glycol and pesticides. Other examples include inorganic compounds or organo-metallic compounds, e.g. those containing aluminum, antimony, barium, cadmium, cobalt, chromium, copper, iron, lead, mercury, molybdenum, nickel, silver, tin, titanium, vanadium and zinc.

REFERENCES:
patent: 4969774 (1990-11-01), Arseneault et al.
patent: 5268109 (1993-12-01), Boyd
patent: 5830363 (1998-11-01), Fayed

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