... adsorbents applied for many aspects, such as removal of color and odor, purification of waste water, and stripping of gaseous pollutants They can be prepared from any carbonaceous material by carbonization ... commercial sense OPCM-POM membrane reactor In addition, an optimal trade-off between catalytic activity and performance stability of POM catalyst is also crucial to this membrane reactor Some factors ... natural gas and have low production cost of adsorbent easy to regenerate or dispose A lot of Chapter Literature review adsorbents such as activated carbon, zinc oxide, zeolite and alumina can...