The organic exchange extraction method——a new technique for comprehensive extracting cupric sulfate and nickel sulfate with waste hydrogenated catalyst has been detailed expounded in this thesis,in which described the chemical reactiving principle,the technical process and operating methods of every step procedure,the quality of products,the target of technique and economy etc.

Aiming at waste hydrogenation catalyst,a comparatively convenient,low-cost cleaning oilmethod was de- veloped.

A method of alkali fusion-oxidated distillaion is used in reclaiming ruthenium from the waste catalysts.

This paper mainly studied how to recycle Al(OH)_3 from waste catalysts of synthetic ammonia and how to form Al_2O_3 again.

Determination of platinum in waste catalyst by flame atomic absorption spectrometry;

Study on the sample pretreatment for analyzing platinum in waste catalyst generated during silicon coupling agent synthesis

The new process for recovery of molybdenum from spent catalysts;

In this paper, research and development of Pd metal recovering from spent catalysts have been reviewed.

Recovering platinum in spent catalyst from petrol reforming;

Research on comprehensive utilization of hydrodesulphurization spent catalyst;

Industry spent catalyst recycling use and environmental protection;