SYNTHESIS OF ULTRA-SMALL PORE ALUMINOSILICATES BY CONTROLLED STRUCTURAL COLLAPSE OF ZEOLITES

• Main Authors: WANG YUGUO, KIM HYEONBIN, ERCAN CEMAL, CHOI MINKEE, OTHMAN RASHID M
• Format: Patent
• Language: English; Korean
• Published: 30.06.2017
• Subjects: ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSEGASES [GHG]; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; FIRELIGHTERS; FUELS; FUELS NOT OTHERWISE PROVIDED FOR; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; LIQUEFIED PETROLEUM GAS; LUBRICANTS; METALLURGY; NATURAL GAS; PEAT; PERFORMING OPERATIONS; PETROLEUM, GAS OR COKE INDUSTRIES; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K; TECHNICAL GASES CONTAINING CARBON MONOXIDE; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE; THEIR RELEVANT APPARATUS; TRANSPORTING

고 선택성 극-소 기공 무정형 흡착제의 형성방법은, 이온-교환 물질을 알루미노규산나트륨 제올라이트에 도입하여, 이온-교환된 제올라이트를 형성하는, 이온-교환 물질의 도입 단계, 상기 이온-교환된 제올라이트를 하소 온도에서 하소하여 상기 이온-교환된 제올라이트가 붕괴되고, 탈양이온화된 무정형 흡착제를 형성하는, 하소 단계, 상기 탈양이온화된 무정형 흡착제에 역 이온-교환 물질을 도입하여, 고 선택성, 극-소 기공 무정형 흡착제를 형성하는, 역 이온-교환 물질의 도입 단계를 포함한다. 상기 고 선택성, 극-소 기공 무정형 흡착제는, 이산화탄소가 무정형 흡착제에 흡착되는 것을 허용하도록 작동하고, 메탄이 무정형 흡착제로 흡착되는 것을 허용하지 않도록 작동하는 기공 개구 크기를 갖는다. A method of forming the highly selective ultra-small pore amorphous adsorbent includes introducing an ion-exchange material to a sodium aluminosilicate zeolite such that an ion-exchanged zeolite forms, calcinating the ion-exchanged zeolite at a calcination temperature such that the ion-exchanged zeolite collapses and forms the decationized amorphous adsorbent, and introducing a back ion-exchange material to the decationized amorphous adsorbent such that the highly selective ultra-small pore amorphous adsorbent forms. The highly selective ultra-small pore amorphous adsorbent has a pore aperture size operable to permit carbon dioxide to adsorb into the amorphous adsorbent and operable to deny methane from adsorbing into the amorphous adsorbent.