公开(公告)号：KR1020140085830A

公开(公告)日：2014-07-08

申请号：KR1020120155547

申请日：2012-12-27

Applicant: 재단법인 포항산업과학연구원

Inventor： 김수한 ,  송인규 ,  고동준 ,  황선환 ,  백준현

IPC: B01J23/755 ,  B01J23/46 ,  B01J35/04 ,  B01J37/08

CPC classification number: B01J23/755 ,  B01J23/46 ,  B01J23/89 ,  B01J35/10 ,  B01J37/036 ,  B01J37/08 ,  Y02P20/52

Abstract: The present invention relates to a mesoporous nickel-iron-ruthenium-alumina xerogel catalyst and a manufacturing method thereof and, more specifically, to a mesoporous nickel-iron-ruthenium-alumina xerogel catalyst comprising 49-68.8 parts by weight of alumina, 30-40 parts by weight of nickel, 1-20 parts by weight of iron and 0.2-1.0 parts by weight of ruthenium. Additionally, the manufacturing method for the catalyst comprises: an alcohol heating step; an aluminum precursor dispersing step; a sol forming step; a sol cooling step; a metal precursor adding step; a sol hydration and condensation step; a gel aging step; a gel drying step; and a gel heat treating step. The catalyst of the present invention is able to improve a conversion rate of carbon dioxide by having high activity at low temperatures and is able to manufacture methane at high yield by being used in the methanation reaction of carbon dioxide. The manufacturing method for the catalyst of the present invention exhibits excellent reproducibility and provides the mesoporous nickel-iron-ruthenium-alumina xerogel catalyst through a simple process.

Abstract translation: 本发明涉及介孔镍铁 - 钌 - 氧化铝干凝胶催化剂及其制造方法，更具体地说，涉及一种介孔镍 - 铁 - 钌 - 氧化铝干凝胶催化剂，其包含49-68.8重量份的氧化铝，30- 40重量份镍，1-20重量份铁和0.2-1.0重量份钌。 另外，催化剂的制造方法包括：醇加热工序; 铝前体分散步骤; 溶胶形成步骤; 溶胶冷却步骤; 金属前体添加步骤; 溶胶水合和缩合步骤; 凝胶老化步骤; 凝胶干燥步骤; 和凝胶热处理步骤。 本发明的催化剂能够通过在低温下具有高活性而提高二氧化碳的转化率，能够通过用于二氧化碳的甲烷化反应而以高收率生产甲烷。 本发明的催化剂的制造方法显示出优异的再现性，并且通过简单的工艺提供介孔镍铁 - 钌 - 氧化铝干凝胶催化剂。

公开(公告)号：KR1020140087264A

公开(公告)日：2014-07-09

申请号：KR1020120156829

申请日：2012-12-28

Applicant: 재단법인 포항산업과학연구원

Inventor： 백준현 ,  고동준 ,  송인규 ,  황선환 ,  김수한

IPC: B01J23/755 ,  C07C9/04 ,  B01J6/00

CPC classification number: B01J23/755 ,  B01J37/036 ,  B01J37/08 ,  C07C9/04

Abstract: The present invention relates to a mesoporous nickel-X-alumina xerogel catalyst (X=an active metal including nickel) using two active metals manufactured by a single process, a manufacturing method thereof and a manufacturing method for methane using the catalyst in the methanation reaction of carbon dioxide and, more specifically, to a manufacturing method for methane (synthetic natural gas) by the methanation reaction of carbon dioxide in a continuous flow type reactor by using the nickel-X-alumina mixed xerogel catalyst which has a carbon dioxide conversion rate of 50-70% in methanation reaction, wherein the X is at least one selected from the group consisting of Fe, Co, Ni, Zr, Y, Zn, Ce, La, Sm, Mg and Ca. The present invention provides the manufacturing method for the mesoporous nickel-X-alumina xerogel catalyst with excellent reproducibility by using a single sol-gel method, has a high resistibility against carbon deposition and sintering reaction due to heating of methanation reaction by using the manufacturing method and is able to obtain an excellent catalyst with excellent rereduction capacity of an oxidized metal catalyst. Additionally, the present invention provides a manufacturing method for methane with excellent conversion rate of carbon dioxide in which the dissociation energy of carbon monoxide which is an important property of methanation reaction by using the catalyst and has excellent conversion rate of carbon dioxide.

Abstract translation: 本发明涉及使用通过单一方法制造的两种活性金属的介孔镍-X-氧化铝干凝胶催化剂（X =含镍的活性金属），其制造方法和使用甲烷化反应中的催化剂的甲烷的制造方法 的二氧化碳，更具体地说，涉及通过使用具有二氧化碳转化率的镍-X-氧化铝混合干凝胶催化剂，通过连续流动式反应器中二氧化碳的甲烷化反应的甲烷（合成天然气）的制造方法 在甲烷化反应中为50-70％，其中X为选自Fe，Co，Ni，Zr，Y，Zn，Ce，La，Sm，Mg和Ca中的至少一种。 本发明提供了通过使用单一溶胶 - 凝胶法具有优异的再现性的介孔镍-X-氧化铝干凝胶催化剂的制造方法，通过使用制造方法对甲烷化反应的加热具有高的耐碳沉积和烧结反应的抵抗性 能够得到优异的氧化金属催化剂的还原能力优异的催化剂。 另外，本发明提供一种具有优异的二氧化碳转化率的甲烷的制造方法，其中通过使用该催化剂是甲烷化反应的重要性质的一氧化碳的解离能并具有优异的二氧化碳转化率。