Hydrogenolysis of Lignin

Lignin is converted to chemical/fuels via hydrogenolysis . Hydrogenolysis is one the of methods in the Catalytic conversion of lignin to valuable products. Explain what is hydrogenolysis, what are the conditions (temperature, pressure, pH, water pressure. etc) for hydrogenolysis, what are the catalyst used for hydrogenolysis. Hydrogenolysis under which catalyst and which conditions make which products etc

Explain what is hydrogenolysis, what are the catalyst used for hydrogenolysis. what are the conditions temperature,pressure etc for hyderogenolysis, Explain about catalytic hydrogenolysis with different catalyst and different conditions.

This literature review should from latest journals from 2017 to till date and strictly without plagiarism. This literature review is one of the chapter in the project so no need of introduction, please start with what is hydrogenolysis of lignin ??