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