... depressurization. Moreover, adsorbent can be recycled. Why Nitrogen Generator is good for Food, Beverage & Cereal Industries?Because nitrogen has the ... N2. Therefore, N2 can be used as a good gas for preserving foods and keeping foods fresh. In addition, ... heating treatment, powder metallurgy, magnetic material, copper process, metallic mesh, galvanized wire, semiconductor, etc. 2.)Chemical and new ...