It is understood that the zeolite adsorbents of this invention are used in the form of {HEAD ~ shaped particles} also known as {TAIL ~ secondary particles} 
known as
It is understood that the zeolite adsorbents of this invention are used in the form of { HEAD ~ shaped particles } also known as { TAIL ~ secondary particles }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL