As I wrote last week, Sasol, a South African company that produces diesel fuel and naphtha from coal, is considering building a similar plant to take advantage of the natural gas fields of Canada.

Macintosh found that naphtha - a volatile, oily liquid created in the distillation the aforementioned coal tar, as well as petroleum - could be used to waterproof fabrics.

This article presents the safety design of co shift system for large scale ammonia revamping project where feedstock shall be changed from naphtha to coal.