Zvinhu zvikuru zviri mumhepo nitrogen uye okisijeni, uchishandisa ambient tembiricha, nitrogen uye okisijeni mumhepo mune zeolite molecular sieve (ZMS) adsorption kuita kwakasiyana (okisijeni inogona kupfuura uye nitrogen adsorption), kugadzira nzira yakakodzera, uye kugadzira nitrogen. uye kupatsanurwa kweokisijeni kuti uwane oxygen.