公开(公告)号：KR100963077B1

公开(公告)日：2010-06-09

申请号：KR1020080103403

申请日：2008-10-22

Applicant: 서울대학교산학협력단

Inventor： 송인규 ,  서정길 ,  윤민혜 ,  정지철 ,  김희수 ,  박동률

IPC: B01J21/04 ,  B01J23/755 ,  B01J37/03

Abstract: 본 발명은 블록 공중합체를 주형물질로 사용하여 제조된 중형기공성 알루미나 담체에 담지된 니켈 촉매, 그 제조방법 및 상기 촉매를 이용하여 액화천연가스(LNG)의 수증기 개질반응에 의해 수소가스를 제조하는 방법에 관한 것으로, 본 발명에 따르면 니켈 촉매를 블록 공중합체(Block Copolymer)를 주형으로 사용하여 제조된 중형기공성 알루미나에 담지시킬 경우 촉매의 탄소침적 및 소결에 의한 비활성화에 대한 저항력이 증가하여 장시간 동안 효율적이고 안정적인 운전이 가능하다. 또한, 본 발명의 촉매를 수증기 개질반응기의 촉매층에 충진시킨 후 액화천연가스(LNG)를 반응기 내 촉매층을 통과시킴으로서 효율적으로 수소가스를 제조할 수 있다.
알루미나, 블록 공중합체(Block Copolymer), 니켈 촉매, 수소가스, 액화천연가스(LNG), 수증기 개질반응

公开(公告)号：KR1020120102978A

公开(公告)日：2012-09-19

申请号：KR1020110020933

申请日：2011-03-09

Applicant: 서울대학교산학협력단

Inventor： 송인규 ,  이종협 ,  최정호 ,  박동률 ,  이윤재

IPC: C07C41/09 ,  C07C43/04 ,  B01J27/199

Abstract: PURPOSE: A manufacturing method of dibutylether is provided to obtain high yield of the dibutylether under a mild condition by a strong acid strength of the catalyst when a heteropolyacid catalyst is applied to a dehydration of normal butanol in a batch reactor system. CONSTITUTION: A manufacturing method of dibutylether comprises: a step of manufacturing dibutylether by dehydration of n-butanol under the presence of an acid catalyst. The acid catalyst is a Keggin or Wells-Dawson type heteropolyacid catalyst, comprises one or more kinds selected from a group consisting of tungsten(W), molybdenum(Mo), vanadium(V), and niobium(Nb) as a coordinate atom, and comprises one or more kinds selected from a group consisting of phosphor(P), silicon(Si), germanium(Ge), arsenic(As), and boron(B) as a central element. [Reference numerals] (AA) Conversion ratio of n-butanol; (BB) Selectivity of dibutylether; (CC) Yield of dibutylether

Abstract translation: 目的：在间歇式反应器系统中，当将杂多酸催化剂用于正丁醇的脱水时，通过催化剂的强酸强度，在温和条件下，提供二丁基醚的制备方法以获得高产率的二乙醚。 构成：二丁基醚的制造方法包括：在酸催化剂存在下，通过正丁醇脱水制造二丁基醚的工序。 酸催化剂是Keggin或Wells-Dawson型杂多酸催化剂，其包含选自钨（W），钼（Mo），钒（V）和铌（Nb））作为坐标原子的一种或多种， 并且包括选自磷光体（P），硅（Si），锗（Ge），砷（As）和硼（B）作为中心元件的一种或多种。 （AA）正丁醇的转化率; （BB）二丁基醚的选择性; （CC）二丁基醚的产率

公开(公告)号：KR101071230B1

公开(公告)日：2011-10-10

申请号：KR1020090093868

申请日：2009-10-01

Applicant: 서울대학교산학협력단

Inventor： 송인규 ,  이호원 ,  정지철 ,  박선영 ,  박동률 ,  서정길

IPC: B01J27/053 ,  B01J23/80 ,  C07C11/167

Abstract: 본발명은황산화아연페라이트촉매, 그제조방법및 상기촉매를이용한 1,3-부타디엔의제조방법에관한것으로, 보다상세하게는 C4 화합물로부터산화적탈수소화반응에의해 1,3-부타디엔을제조시사용되는촉매로서, 단일상의아연페라이트(ZnFeO) 촉매를화학식 MSO또는 MSO로표시되는황산염(상기 M은 H 또는 NH)용액에함침하여표면을황산화한것을특징으로하는황산화아연페라이트촉매, 그제조방법및 상기촉매를이용한 1,3-부타디엔제조방법에관한것으로, 본발명의황산화아연페라이트촉매는종래의아연페라이트촉매에비해활성이높으면서도, 가공성이월등하고, 고농도의노르말-부탄이포함되어있는 C4 혼합물을별도의노르말-부탄분리공정을거치지않고산화적탈수소화반응의반응물로직접사용하여 1,3-부타디엔을제조하는것이가능하고, 또한높은 1,3-부타디엔수율을얻을수 있다.

公开(公告)号：KR1020110036290A

公开(公告)日：2011-04-07

申请号：KR1020090093868

申请日：2009-10-01

Applicant: 서울대학교산학협력단

Inventor： 송인규 ,  이호원 ,  정지철 ,  박선영 ,  박동률 ,  서정길

IPC: B01J27/053 ,  B01J23/80 ,  C07C11/167

CPC classification number: B01J23/80 ,  B01J27/053 ,  B01J37/0201 ,  C07C11/167

Abstract: PURPOSE: Sulfated zinc ferrite catalyst, method for preparing the same, a method for preparing 1,3-butadiene using the catalyst are provided to improve the yield of an 1,3-butadiene preparing process regardless of the content of a C4 mixture including normal butane and normal butene. CONSTITUTION: Single phase zinc ferrite is impregnated into a sulfate aqueous solution which is represented by chemical formula, M_2SO_4 or M_2S_2O8. M is H or NH_4. The surface of the zinc ferrite is sulfated. A filtering process and a drying process are followed. Sulfated zinc ferrite catalyst is obtained. A C4 mixture is prepared as the reactant of an 1,3-butadiene preparing process under the sulfated zinc ferrite catalyst. Air and steam are applied to the C4 mixture and the sulfated zinc ferrite catalyst. The C4 mixture includes normal-butane and normal-butene.

Abstract translation: 目的：提供硫酸锌铁氧体催化剂，其制备方法，使用该催化剂制备1,3-丁二烯的方法，以提高1,3-丁二烯制备方法的产率，而不考虑包括正常的C4混合物的含量 丁烷和正丁烯。 构成：将单相锌铁氧体浸渍在由化学式M_2SO_4或M_2S_2O8表示的硫酸盐水溶液中。 M是H或NH-4。 铁酸锌的表面被硫酸化。 遵循过滤处理和干燥处理。 得到硫酸锌铁氧体催化剂。 制备C4混合物作为在硫酸锌铁氧体催化剂下的1,3-丁二烯制备方法的反应物。 将空气和蒸汽施加到C4混合物和硫酸锌铁氧体催化剂上。 C4混合物包括正丁烷和正丁烯。

公开(公告)号：KR1020110005358A

公开(公告)日：2011-01-18

申请号：KR1020090062836

申请日：2009-07-10

Applicant: 서울대학교산학협력단

Inventor： 송인규 ,  서정길 ,  윤민혜 ,  박동률

IPC: B01J23/755 ,  B01J21/04 ,  B01J35/10 ,  C01B3/38

CPC classification number: Y02P20/52 ,  B01J23/755 ,  B01J21/04 ,  B01J35/10 ,  B01J37/036 ,  C01B3/38

Abstract: PURPOSE: A mesoporous nickel-alumina composite catalyst, a preparation method thereof and a production method of hydrogen gas by steam reforming of liquefied natural gas using the catalyst are provided to reduce fabrication cost thereof by adopting a single process in the fabrication of hydrogen gas. CONSTITUTION: A mesoporous nickel-alumina composite catalyst is fabricated by performing heat treatment for nickel and aluminum precursors of which the atomic ratio of nickel/aluminum is 0.01-1. The method for preparing the catalyst comprises the steps of: forming micelle by dissolving a block copolymer in an alcohol solution; dissolving aluminum precursor solution to the solution including the nickel precursor; obtaining a nickel-aluminum mixture gel by hydrating the aluminum and nickel precursors by adding diluted water to an alcohol; cleaning and drying the nickel-aluminum mixture gel after an aging operation; and performing the heat-treatment operation at 500-900°C.

Abstract translation: 目的：提供一种介孔镍 - 氧化铝复合催化剂及其制备方法和使用该催化剂的液化天然气蒸汽重整制氢方法，以通过在氢气制备中采用单一工艺降低制造成本。 构成：通过对镍/铝原子比为0.01-1的镍和铝前体进行热处理来制造介孔镍 - 氧化铝复合催化剂。 制备催化剂的方法包括以下步骤：通过将嵌段共聚物溶解在醇溶液中形成胶束; 将铝前体溶液溶解到包括镍前体的溶液中; 通过向醇中加入稀释水来水合铝和镍前体来获得镍 - 铝混合物凝胶; 老化后清洗和干燥镍铝混合凝胶; 并在500-900℃下进行热处理。

公开(公告)号：KR1020100052252A

公开(公告)日：2010-05-19

申请号：KR1020080111188

申请日：2008-11-10

Applicant: 주식회사 동진쎄미켐 ,  서울대학교산학협력단

Inventor： 송인규 ,  박동률 ,  김희수 ,  정지철 ,  신민승 ,  한상진

IPC: C07C273/16 ,  B01J29/04 ,  B01J31/02

Abstract: PURPOSE: A producing method of a biuret is provided to effectively improve the yield of the biuret, to minimize the generation of by-products, and to increase the reaction activity by adding a catalyst. CONSTITUTION: A producing method of a biuret using a catalyst comprises the following steps: melting a urea in a reactor; and adding a catalyst to the reactor and reacting. The catalyst is selected from the group consisting of a zeolite catalyst, a heteropolyacid catalyst, an organic basic catalyst, a metallic oxide catalyst, a mixed catalyst with the metallic oxide catalyst and an alumina, an organic acid catalyst, and their mixture. The zeolite catalyst is selected from the group consisting beta zeolite, mordenite, and ZSM-5.

Abstract translation: 目的：提供缩二脲的生产方法，以有效提高缩二脲的产率，使副产物的产生最小化，并通过加入催化剂提高反应活性。 构成：使用催化剂的缩二脲的生产方法包括以下步骤：在反应器中熔化尿素; 并向反应器中加入催化剂并进行反应。 催化剂选自沸石催化剂，杂多酸催化剂，有机碱性催化剂，金属氧化物催化剂，与金属氧化物催化剂的混合催化剂和氧化铝，有机酸催化剂及其混合物。 沸石催化剂选自β沸石，丝光沸石和ZSM-5。

公开(公告)号：KR1020100044319A

公开(公告)日：2010-04-30

申请号：KR1020080103403

申请日：2008-10-22

Applicant: 서울대학교산학협력단

Inventor： 송인규 ,  서정길 ,  윤민혜 ,  정지철 ,  김희수 ,  박동률

IPC: B01J21/04 ,  B01J23/755 ,  B01J37/03

CPC classification number: B01J21/04 ,  B01J23/755 ,  B01J37/0018 ,  B01J37/03

Abstract: PURPOSE: A nickel catalyst carried on a meso-porous alumina carrier, a manufacturing method thereof, and a manufacturing method of hydrogen gas by a steam reformation of LNG are provided to obtain a stable catalyst activation during a steam reforming reaction of the LNG. CONSTITUTION: A nickel catalyst is carried on a meso-porous alumina carrier produced by a block copolymer as a molding material. 1~50 parts by weight of nickel is carried to 100 parts by weight of the meso-porous alumina carrier. The block copolymer is selected from the group consisting of pluronic based or tetronic based block copolymer including F108, F98, F88, P123, P105 and P104. The manufacturing method comprises the following steps: forming a micelle by melting the block copolymer to an alcohol solution; mixing an aluminum precursor to the alcohol solution; obtaining alumina gel by injecting moisture to the solution; obtaining the meso-porous alumina carrier by washing, drying, and heat-treating the gel; and impregnating the nickel before drying and heat-treating.

Abstract translation: 目的：提供承载在中孔氧化铝载体上的镍催化剂，其制造方法和通过LNG的蒸汽重整制造氢气的方法，以在LNG的蒸汽重整反应期间获得稳定的催化剂活化。 构成：镍催化剂承载在由嵌段共聚物作为成型材料制成的中孔多孔氧化铝载体上。 将1〜50重量份的镍负载到100重量份的中孔氧化铝载体上。 嵌段共聚物选自包含F108，F98，F88，P123，P105和P104的基于pluronic或tetronic的嵌段共聚物。 制造方法包括以下步骤：通过将嵌段共聚物熔融成醇溶液形成胶束; 将铝前体与醇溶液混合; 通过向溶液注入水分获得氧化铝凝胶; 通过洗涤，干燥和热处理凝胶获得介孔氧化铝载体; 并在干燥和热处理之前浸渍镍。