煤层沼气──最洁净的煤炭利用方式采煤时沼气爆炸被认为是重大的作业安全问题。为保证安全，必须用大笔投资挖掘通风孔和安装通风设备，而排放到大气中的沼气会成为环境的污染源。近年来，已将煤层沼气当作一种资源，而不是当作废气来处理。这种观念上的转变，主要原因与... Coal Seam Biogas ─ ─ the cleanest way to use coal Methane explosion during coal mining is considered a major operational safety issue. In order to ensure safety, large investments must be made in venting and installing ventilation equipment, and the biogas discharged to the atmosphere can become a source of pollution to the environment. In recent years, coalbed methane has been treated as a resource rather than as an exhaust gas. This change in concept, the main reason with ...