公开(公告)号：KR101466470B1

公开(公告)日：2014-12-02

申请号：KR1020130025343

申请日：2013-03-08

Applicant: 성균관대학교산학협력단

Inventor： 배종욱 ,  김아롱 ,  구현모

IPC: B01J37/02 ,  B01J23/755 ,  B01J6/00

Abstract: 본발명은유기산이용해된용매에알루미나지지체를첨가하고함침및 건조하여유기산이처리된알루미나지지체를제조하는단계; 및상기알루미나지지체를니켈전구체가용해된용매에첨가하고함침및 건조하여코어-셀구조의니켈-알루미나촉매를제조하는단계를통하여제조된코어-셀구조의혼합개질반응용촉매및 이의제조방법에관한것이다. 이에따른, 코어-셀구조의혼합개질반응용니켈-알루미나촉매는 pKa 3.5 이하의유기산으로알루미나지지체를처리하여알루미나지지체기공에유기산을포함함으로써코어-셀구조를용이하게형성하여지지체표면에활성성분인니켈이고르게분포된촉매를제조할수 있다. 또한, 상기촉매는표면에니켈이고르게분포되어있는코어-셀구조를가짐으로써일반조건은물론높은공간속도의조건에서도안정성이높아반응활성이우수하며, 국부적으로가열된촉매내부에서일어나는니켈의소결현상을억제함으로써촉매의비활성화를억제하는효과가있다.

公开(公告)号：KR1020140111229A

公开(公告)日：2014-09-18

申请号：KR1020140088952

申请日：2014-07-15

Applicant: 성균관대학교산학협력단

Inventor： 배종욱 ,  김아롱 ,  구현모

IPC: C01B3/40 ,  B01J23/755 ,  B01J8/00 ,  C10G2/00

CPC classification number: Y02P20/52 ,  C01B3/40 ,  B01J21/04 ,  B01J23/755 ,  C01B2203/0233 ,  C01B2203/0238 ,  C01B2203/1041 ,  C01B2203/1058 ,  C01B2203/1241

Abstract: The present invention relates to a catalyst having a core-shell structure for a mixed reforming reaction and to a method for producing the same. The method of the present invention comprises the steps of: preparing an alumina support in which organic acid is treated by adding, dipping, and drying the alumina support in a solvent in which organic acid is dissolved; and producing a nickel-alumina catalyst of a core-shell structure by adding, dipping, and drying the alumina support in a solvent in which a nickel precursor is dissolved. The nickel-alumina catalyst having a core-shell structure for a mixed reforming reaction includes organic acid in alumina support pores by treating the alumina support using organic acid of pKa 3.5 or less, so that a core-shell structure is easily formed and nickel which is an active ingredient can be evenly distributed on the surface of the support. Moreover, the catalyst has the core-shell structure having the surface on which nickel is evenly distributed, so that the catalyst has high stability and excellent reaction activities not only under general conditions but also in high spatial speed conditions. The sintering of nickel occurring in a partially heated catalyst is controlled so that the inactivation of the catalyst is inhibited.

Abstract translation: 本发明涉及具有混合重整反应的核 - 壳结构的催化剂及其制造方法。 本发明的方法包括以下步骤：制备氧化铝载体，其中通过在溶解有机酸的溶剂中加入，浸渍和干燥氧化铝载体来处理有机酸; 并通过在其中溶解镍前体的溶剂中加入，浸渍和干燥氧化铝载体来制备核 - 壳结构的镍 - 氧化铝催化剂。 具有用于混合重整反应的核 - 壳结构的镍 - 氧化铝催化剂包括通过使用pKa 3.5或更小的有机酸处理氧化铝载体的氧化铝载体孔中的有机酸，使得容易形成核 - 壳结构和镍 是一种活性成分，可均匀分布在支撑体的表面。 此外，催化剂具有镍 - 镍均匀分布的表面的核 - 壳结构，因此催化剂不仅在一般条件下而且在高空速条件下具有高稳定性和优异的反应活性。 控制在部分加热的催化剂中发生的镍的烧结，从而抑制催化剂的失活。