MANUFACTURING METHOD OF PLATINUM-TIN-METAL-ALUMINA CATALYST FOR DIRECT DEHYDROGENATION REACTION OF NORMAL-BUTANE, AND MANUFACTURING METHOD OF C4 OLEFIN USING CATALYST

• Main Authors: SEO HYUN, LEE JIN SUK, CHOI CHANG HYUN, YOO YEON SHICK, SONG IN KYU, PARK GLE, LEE JONG KWON, CHANG HO SIK
• Format: Patent
• Language: English; Japanese
• Published: 12.02.2015
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

PROBLEM TO BE SOLVED: To provide a manufacturing method of a platinum-tin-metal-alumina catalyst for manufacturing C4 olefin (1-butene, 2-butene, i-butene, and 1,3-butadiene) through direct dehydrogenation reaction of normal-butane, and a manufacturing method of C4 olefin using the catalyst.SOLUTION: The sintering phenomenon of platinum particles are prevented to maintain the particle size of the platinum small for increasing the degree of dispersion, so that the amount of active sites for dehydrogenation reaction increases. Tin is contained to prevent the deposition of carbon, so that the catalyst stability can be enhanced. An additional metal is contained to reduce the degree of deactivation based on the reaction time of the catalyst. As catalyst support, an alumina support suitable for the direct dehydrogenation reaction of normal-butane, having high thermal and mechanical stability, and capable of maintaining the high degree of dispersion of platinum is employed. The manufacturing method of a platinum-tin-metal-alumina catalyst is thus performed. C4 olefin is manufactured by the direct dehydrogenation reaction, using the catalyst manufactured by the method. 【課題】ノルマル-ブタンの直接脱水素化反応を通じてC4 オレフイン(1-ブテン、2-ブテン、i-ブテン、1,3-ブタジエン)を製造するための白金-錫-金属-アルミナ 触媒の製造方法および前記触媒を利用したＣ４オレフィンの製造方法を提供する。【解決手段】白金粒子の焼結現像を防ぎ白金の粒子サイズを小さく維持させ分散度を増進させてやることにより脱水素化反応に対する活性点の量を高め、炭素沈積を抑制することにより触媒の安定性を高める錫が含まれ、追加的に触媒の反応時間に基づく非活性化程度を減少させるための金属が含まれ、これを支持するための担体として、ノルマル-ブタンの直接脱水素化反応に適合なものに知られた高い熱的、機械的安定性を有し、高い白金分散度を維持させ得るアルミナ担体を利用して、白金-錫-金属-アルミナ触媒を製造する方法、及び前記方法で製造された触媒を利用して、直接脱水化反応によってＣ４オレフインを製造する。【選択図】なし