Preparation of optically active esters

Preparation process of optically active .alpha.-aminated acids b

Pretreatment of phenolic resin suspension to remove residual phe

Procedure for microbiologica transformation of sulphur containin

Process and apparatus for effecting a biological aerobic pretrea

Process and apparatus for the biofiltration of volatile...

Process and apparatus for the purification of gases

Process and apparatus for the treatment of carbon dioxide...

Process and composition for desizing cellulosic fabric with an e

Process and composition for treating hydrocarbon...

Process and device for preparation of cell samples for cytologic

Process and device for the biological treatment of effluents fro

Process and device for treating a mixture of substances...

Process and device in so-called biofilters, and device for moist

Process and materials for removing pollutants

Process and plant for the removal of soil contaminants

Process for bacterial treatment of hydrocarbon effluents...

Process for biodegradation of a xenobiotic

Process for biological removal of sulphide

Process for bleaching surfactant solutions