METHOD OF THE MODIFIED ACTIVE CARBON PRODUCING Russian patent published in 1997 - IPC

Abstract RU 2089496 C1

FIELD: chemical technology, adsorbents. SUBSTANCE: activated granulated carbon is impregnated with the saturated ammonium, potassium or sodium thiocyanate, urea or thiourea solution, kept for 5-6 h and subjected for thermic treatment at 310-370 C for 2.5-3 h. The end product can be used in adsorbent production, in petroleum chemical, chemical, metallurgic industries and sewage treatment from organic and any other pollutants. EFFECT: enhanced sorption capacity, simplified method, safety and efficiency of method. 2 cl

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RU 2 089 496 C1

Authors

Sergeev Viktor Vladimirovich

Loskutov Anatolij Iosifovich

Jankovskij Anatolij Aleksandrovich

Kashcheev Jurij Mikhajlovich

Papurin Nikolaj Mikhajlovich

Kolosentsev Sergej Dmitrievich

Dates

1997-09-10Published

1995-05-10Filed