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公开(公告)号：KR100405895B1
公开(公告)日：2003-11-14
申请号：KR1020010008495
申请日：2001-02-20
Applicant: 한국과학기술연구원
IPC: C07C23/06
CPC classification number: C07C23/06 , C07C17/269 , C07C17/281 , C07C21/185
Abstract: A method of simultaneous and selective perpararation of hexafluoropropylene and octafluorocyclebutane comprising the steps of: (a) thermally decomposing difluorochloromethane to obtain tetrafluoroethylene and then supplying the resulting tetrafluoroethylene into a bed reactor equipped with a distributor for supplying steam; and (b) supplying steam into a flow of tetrafluoroethylene supplied into the fluidized bed reactor, through a distributor for supplying steam at a certain molar ratio of tetrafluoroethylene/stream, and then performing dimerization of tetrafluoroethylene in the fluidized bed reactor under an atmospheric pressure.
Abstract translation: 一种同时选择性地加入六氟丙烯和八氟环丁烷的方法，包括以下步骤：（a）将二氟氯甲烷热分解得到四氟乙烯，然后将所得的四氟乙烯供入装备有用于供应蒸汽的分配器的床式反应器; （b）通过用于以一定摩尔比率的四氟乙烯/料流供给蒸汽的分配器，将蒸汽供入供入流化床反应器的四氟乙烯流中，然后在大气压力下在流化床反应器中进行四氟乙烯的二聚反应。
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公开(公告)号：KR1020030082762A
公开(公告)日：2003-10-23
申请号：KR1020020021236
申请日：2002-04-18
Applicant: 한국과학기술연구원
IPC: C10G11/02
Abstract: PURPOSE: A gasoline reforming catalyst for fuel cell automobiles is provided, which has high catalyst activity, high hydrogen selectivity and low CO selectivity and has improved durability against carbon deposition or sulfur poisoning, and a preparation method of the same is provided. CONSTITUTION: The gasoline reforming catalyst for fuel cell automobiles is characterized in that the catalyst is manufactured by supporting 5 to 15 wt.% of Mg as a base catalyst constituent and two or more transition metals selected from transition metal group consisting of 2 to 15 wt.% of Ni, 0.1 to 15 wt.% of Co, 2 to 15 wt.% of Fe, 2 to 15 wt.% of Mo, 0.1 to 1.0 wt.% of Cr, 0 to 0.005 wt.% of Ti and 0 to 0.005 wt.% of Zr as active catalyst constituents onto a porous support of γ-alumina or silica-alumina(Si-Al), wherein content of the porous support is 21 to 42 wt.% based on the metal weight.
Abstract translation: 目的：提供一种燃料电池汽车用汽油重整催化剂，其催化剂活性高，氢选择性高，CO选择性低，并且具有提高碳沉积或硫中毒的耐久性，并且提供了其制备方法。 构成：燃料电池汽车用汽油重整催化剂的特征在于，以5〜15重量％的Mg作为基础催化剂成分和2〜2重量％的过渡金属，由2〜15重量％ 的Ni，0.1〜15重量％的Co，2〜15重量％的Fe，2〜15重量％的Mo，0.1〜1.0重量％的Cr，0〜0.005重量％的Ti和 0〜0.005重量％的作为活性催化剂成分的Zr占γ-氧化铝或二氧化硅 - 氧化铝（Si-Al）的多孔载体，其中多孔载体的含量基于金属重量为21〜42重量％。
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公开(公告)号：KR1020010074658A
公开(公告)日：2001-08-04
申请号：KR1020010034611
申请日：2001-06-19
Applicant: 한국과학기술연구원
IPC: C09K5/04
CPC classification number: C09K5/045 , C09K2205/112 , C09K2205/12 , C09K2205/122 , C09K2205/43
Abstract: PURPOSE: A refrigerant composition is provided which shows the similar performance to HCFC-22 that is currently used by additionally mixing one constituent from RC-270, HFC-227ea, HFC-245cb, HFC-236ea, R-600, HFE-134 or HFE-245 to a mixture of HFC-32 and HFC-143a. CONSTITUTION: In a composition of a refrigerant mixture which can be used instead of HCFC-22, the refrigerant mixture comprises 20 to 70 wt.% of difluoromethane (CH3F2, HFC-32) as a first constituent, 10 to 70 wt.% of 1,1,1-trifluoroethane (CH3CF3, CFC-143a) as a second constituent, and 45 wt.% or less of cyclopropane (C3H6, RC-270) or butane (C4H10, R-600) as a third constituent, wherein each of the HFC-32, HFC-143a and RC-270 comprise 20 to 40 wt.%, 30 to 70 wt.% and 30 wt.% or less respectively, and wherein each of the HFC-32, HFC-143a and R-600 comprise 30 to 50 wt.%, 38 to 70 wt.% and 12 wt.% or less respectively.
Abstract translation: 目的：提供了一种制冷剂组合物，其显示了与通过额外混合来自RC-270，HFC-227ea，HFC-245cb，HFC-236ea，R-600，HFE-134的一种成分或目前使用的HCFC-22类似的性能 HFE-245与HFC-32和HFC-143a的混合物。 构成：在可用于代替HCFC-22的制冷剂混合物的组合物中，制冷剂混合物包含20至70重量％的作为第一组分的二氟甲烷（CH 3 F 2，HFC-32），10至70重量％ 作为第二成分的1,1,1-三氟乙烷（CH 3 CF 3，CFC-143a）和作为第三成分的环丙烷（C 3 H 6，RC-270）或丁烷（C 4 H 10，R-600）45重量％ HFC-32，HFC-143a和RC-270中的每一个分别包含20至40重量％，30至70重量％和30重量％或更少，并且其中每个HFC-32，HFC-143a和 R-600分别包含30至50重量％，38至70重量％和12重量％或更少。
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公开(公告)号：KR1020000041711A
公开(公告)日：2000-07-15
申请号：KR1019980057665
申请日：1998-12-23
Applicant: 한국과학기술연구원
IPC: C09K5/04
CPC classification number: C09K5/045 , C09K2205/11 , C09K2205/112 , C09K2205/12 , C09K2205/43
Abstract: PURPOSE: A refrigerant mixture added one component of RC-270, HFC-227ea, HFC-245cb, HFC-236ea, R-600, HFE-134, and HFE-245 to a mixture of HFC-32 and HFC-143a additionally is provided which exhibits performance similar to HCFC-22. CONSTITUTION: A refrigerant mixture free from ozonosphere destruction danger, which can be used as a substitute for chlorodifluoromethane(CHClF2) comprises difluoromethane(CH3F2, HFC-32) as a first component, 1,1,1-trifluoroethane(CH3CF3, HFC-143a) as a second component and one component selected from the group of 1,1,1,2,3,3,3-heptafluoropropane(CF3CHFCF3, HFC-227ea), 1,1,1,2,3,3-hexafluoropropane(CHF2CHFCF3, HFC-235ea), butane(C4H10, R-600), bis(difluoromethyl)ether(CHF2OCHF2, HFE-134), and pentafluoroethylmethylether(CF3CF2OCH3, HFC-245) as a third component. The composition of HFC-32, HFC-143a and RC-270 is 20 to 40% by weight, 30 to 70% by weight and 0 to 30% by weight respectively.
Abstract translation: 目的：将HFC-32，HFC-227ea，HFC-245cb，HFC-236ea，R-600，HFE-134和HFE-245的一个组分加入到HFC-32和HFC-143a的混合物中， 具有类似于HCFC-22的性能。 构成：可用作替代氯二氟甲烷（CHClF 2）的不含臭氧层破坏危险的制冷剂混合物包括作为第一组分的二氟甲烷（CH 3 F 2，HFC-32），1,1,1-三氟乙烷（CH 3 CF 3，HFC-143a ）作为第二成分和选自1,1,1,2,3,3,3-七氟丙烷（CF 3 CHFCF 3，HFC-227ea），1,1,1,2,3,3-六氟丙烷（ CHF2CHFCF3，HFC-235ea），丁烷（C4H10，R-600），双（二氟甲基）醚（CHF2OCHF2，HFE-134）和五氟乙基甲基醚（CF3CF2OCH3，HFC-245）作为第三成分。 HFC-32，HFC-143a和RC-270的组成分别为20〜40重量％，30〜70重量％，0〜30重量％。
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公开(公告)号：KR100256431B1
公开(公告)日：2000-05-15
申请号：KR1019970051415
申请日：1997-10-07
Applicant: 한국과학기술연구원
IPC: C07C211/18
CPC classification number: C07C209/72 , C07C211/36
Abstract: PURPOSE: A cyclic hydrogenation method of aromatic diamine is provided for reducing reaction time and decreasing amount of by-product to raise yield of product by preliminarily surface treating ruthenium catalyst with oxygen or air without using basic materials. CONSTITUTION: The method for producing cyclo-aromatic diamine is to cyclically hydrogenate aromatic diamine at 50-250 deg.C and 300-4000 psig of pressure under 0.1-5 wt.% ruthenium catalyst surface-treated with air or oxygen at 50-200 deg.C. and in the presence of organic solvent. The ruthenium catalyst is prepared by immersing the catalyst into a carrier selected from a group consisting of activated carbon, calcium carbonate, ceria, alumina, zirconia, titania and silica in an amount of 1-10 wt.%. The organic solvent is any one selected from a group consisting of diethylether, isopropylether, methanol, ethanol, isopropylalcohol, butanol, tetrahydrofuran and dioxane.
Abstract translation: 目的：提供芳族二胺的循环氢化方法，通过在不使用碱性物质的情况下，用氧或空气预先表面处理钌催化剂，减少反应时间和减少副产物，提高产物产率。 构成：环芳族二胺的制备方法是在50-250℃和300-4000磅/平方英寸的压力下循环氢化0.1-5重量％的钌催化剂，空气或氧气在50-200℃下表面处理 摄氏度 并在有机溶剂存在下进行。 通过将催化剂浸入1-10重量％的选自活性炭，碳酸钙，二氧化铈，氧化铝，氧化锆，二氧化钛和二氧化硅的载体中来制备钌催化剂。 有机溶剂是选自二乙醚，异丙醚，甲醇，乙醇，异丙醇，丁醇，四氢呋喃和二恶烷中的任一种。
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Patent Agency Ranking
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公开(公告)号：KR1019950008347A
公开(公告)日：1995-04-17
申请号：KR1019930018048
申请日：1993-09-08
Applicant: 한국과학기술연구원
IPC: C01B7/04
Abstract: 본 발명은 산소 함유 기체로 염화수소를 산화시켜 염소를 제조함에 있어서, 6가의 산화크롬(CrO
3 ) 수용액에 에탄올을 첨가하고 환류(reflux), 반응시킴으로써 얻어진 산화크롬(Cr
2 O
3 )촉매 존재하에서 염소를 제조하는 방법이다. 기존의 유기산 크로뮴염을 사용한 촉매보다 촉매활성이 향상되어 비교적 낮은 반응온도에서도 염화수소의 전환율이 증가하였으며, 촉매제조시 보다 편리하고 신속한 방법으로 다량의 촉매를 제조할 수 있어 공업용 촉매 제조 및 염소 제조방법으로 매우 유용한 방법이다.-
公开(公告)号：KR102245416B1
公开(公告)日：2021-04-29
申请号：KR1020190179698
申请日：2019-12-31
Applicant: 한국과학기술연구원
Abstract: 본발명은청정에너지의공급및 저장을위한미래복합에너지스테이션에관한것으로서, 하나의원료공급으로부터기존의주유소, 가스충전소(CNG, LPG), 액상연료(메탄올, 에탄올, 글리세롤, 가솔린, 디젤등) 혹은기상연료(LNG, LPG 등)가수소생산부의원료로공급될수 있는수소스테이션중에서선택된기존의충전소/주유소, 수소충전소및 전기차충전소를모두운영할수 있고잉여의수소를연료전지에의해파워그리드로공급하는공정을각각의제어장치에의해최적화된공정으로통합되어운전될수 있도록하며, 자체적으로스팀과전기를활용하는미래복합에너지스테이션에관한것이다.
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公开(公告)号：KR101818442B1
公开(公告)日：2018-01-16
申请号：KR1020160035110
申请日：2016-03-24
Applicant: 한국과학기술연구원
CPC classification number: B01J8/067 , B01J8/065 , B01J8/22 , B01J2208/00132 , B01J2208/00221 , F28D7/103
Abstract: 본발명은쉘-앤드-멀티-트리플컨센트릭-튜브반응기및 열교환기에관한것으로서, 새로운반응기및 열교환기의형태를제공하여열교환효율및 열유동을최적화하고반응물의균일한분배, 반응물의유량증가를통해서촉매성능을극대화하고, 반응기성능을향상시킬수 있는바, 이를통해소형컴팩트화가가능한쉘-앤드-멀티-트리플컨센트릭-튜브반응기및 열교환기에관한것이다. 이를위해, 쉘측에배플에의해형성된유로로쉘 측열매체가흐르며열교환대상물질이유동하는유로의외측면과열교환을수행하고, 내부열매체유입관은열교환대상물질이유동하는유로의내부에삽입되어구성되는바, 유입된내부열매체는상기열교환대상물질이유동하는유로의내부를통과하고내부열매체유입관내측에위치하는내부열매체배출관을통해상기열교환된내부열매체가배출되는구성을포함하여, 열교환대상물질의외측뿐아니라내측의열교환이용이하도록구성되는쉘-앤드-멀티-트리플컨센트릭-튜브반응기및 열교환기를제공하는기술이다.
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公开(公告)号：KR101760243B1
公开(公告)日：2017-07-21
申请号：KR1020150067964
申请日：2015-05-15
Applicant: 한국과학기술연구원
CPC classification number: B01J23/78 , B01J23/002 , B01J23/72 , B01J35/1014 , B01J35/1038 , B01J35/1042 , B01J35/1047 , B01J35/1061 , B01J35/1066 , B01J35/1071 , B01J35/1076 , B01J37/0201 , B01J37/03 , B01J37/035 , B01J37/08 , B01J37/10 , B01J2523/00 , C07C29/60 , B01J2523/17 , B01J2523/22 , B01J2523/31 , B01J2523/41 , C07C31/205
Abstract: 본발명은메조기공및 마크로기공을동시에가지는복합금속산화물구조체에활성금속으로구리가담지된 1,2-프로판디올제조용구리계촉매와, 상기구리계촉매의제조방법, 그리고상기구리계촉매를이용하여글리세롤의탈수및 수소첨가반응에의해 1,2-프로판디올을선택적으로제조하는방법에관한것이다.
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