|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||55/18 ; 55/26 ; 55/62 ; 55/68|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 20 인용 특허 : 0|
By capturing the portion found to contain a high concentration of either oxygen or nitrogen in the non-primary waste stream from a PSA-air separation operation, a high purity second product stream can be obtained.
In a pressure swing adsorption process for the recovery of either oxygen or nitrogen product in an adsorption system having at least one adsorbent bed containing adsorbent material capable of selectively adsorbing either oxygen or nitrogen as a more readily adsorbable component of feed air, said process comprising, on a cyclic basis in each bed, an adsorption/desorption/repressurization sequence in which a desired product is recovered from the system and a waste stream is discharged from said system, the improvement comprising: (a) separating a portion o...