Coal Petrographic Property and Formation Process of Coal Seam in the Jiiban Coal Field, Japan

Health Effects of Coal Seam Gas - Tara

I visited Tara on 11 and 12 October as requested, to undertake a review of individuals who believe their health has been adversely affected as a result of coal seam gas exploration being undertaken in the region. Queensland Health provided the consultation room with the Tara health facility, and also advertised my attendance, and made appointments for those families and individuals who telephon...

Coal Ash Beneficiation and Utilization in Coal Separation Process

In recent years, coal production and consumption increased dramatically, especially in China. So, more and more attentions have been paid to coal preparation and coal ash utilization with the growing concern about the pollution by fly ash. The unburned carbon in fly ash significantly affects its utilization in many fields, especially in concrete production industry. Technologies such as flotati...

Coal tars and coal tar pitches.

Numerous studies, mostly case reports, have found that occupational exposure to coal tars or coal-tar pitches (coal-tar distillates) is associated with skin cancer, including scrotal cancer; workers in these studies have included patent-fuel (coal-briquette) workers, pitch loaders, workers in electrical trades, and optical-lens polishers (IARC 1985, 1987). A 1946 study in the United Kingdom fou...

Seam Wave Characteristics in an Eastern U.S. Coal

Modeling of the Process of Coal Grinding

T. Wyleciał, H. Radomiak, D. Urbaniak, Częstochowa University of Technology, Czestochowa, Poland The use of coal in the steel industry, similarly as in the whole national ec onomy, is often preceded by its pre-treatment. Coal is mined in the form of big solids, but, being in such a form, it can’t be combusted, sintered, or gasifi ed. Therefore, it needs t o be appropriately grinding. In the pap...