Method of purification of biogas faq

1. Before connecting the pipe orifice of each container, clean white cloth shall be used to tie the orifice to prevent grease and dirt from entering. ...

The air separation column mainly includes main heat exchanger, liquefier, distillation column, condensing evaporator, etc. The main heat exchanger, co...

Special pressure-bearing equipment generally bears internal pressure, that will cause tensile stress inside the shell, which is called working stress....