 Nokpuru ụfọdụ nsogbu, na ojiji nke nitrogen na ikuku na oke nke zeolite molekụla myọ nelu adsorption e ji mara, ya bụ na zeolite molekụla myọ adsorption nke nitrogen bụ nnọọ ukwuu karịa ego nke oxygen, usoro na-achịkwa PLC pneumatic valvụ oghere na mmechi, A, B abụọ ma ọ bụ karịa tata ọzọ okirikiri, A ụlọ elu pressurized adsorption nke oxygen, A agụụ na-agba ụlọ elu imu usoro, zuru ezu nkewa nke oxygen na nitrogen, na-achọrọ maka ruru eru nke na-adị ọcha oxygen. 