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