Veba-Chemie Aktiengesellschaft

Gunter Deininger

Gerd Bohmholdt

Wilhelm Huwels

Hans-Otto Gerlach

Werner Soyez

Winfried Hahn

A process for the purification of pressurized gases, such as those emanating from the partial gasification resp. combustion of fuel, which gases contain Ni(CO).sub.4, which comprises contacting said Ni(O).sub.4 containing gas with a solvent at a temperature of from -60 to 0.degree. C., thereby forming a solution containing the gases and dissolved Ni(CO).sub.4, and thereafter heating said solution at a temperature of from 70 to 250.degree. C. for at least 0.25 hour at a pressure higher than the vapor pressure of said solvent, thereby precipitating and thereafter recovering nickel compound and releasing a purified solvent.

Process for the purification of scrubbing solvents by removal of Ni(CO).sub

An adsorbent consisting of carbon black pellets, which is formed by aggregation with oil/fats/waxes and other distillation residues of the water containing carbon black separated during the partial gasification/partial combustion of solids and/or liquid combustibles and wherein said aggregation medium is then separated.

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Wulfen, Germany

Gunter Deininger