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公开(公告)号：KR1020000019205A
公开(公告)日：2000-04-06
申请号：KR1019980037180
申请日：1998-09-09
IPC: B01J27/04
CPC classification number: C01B3/042 , B01J23/06 , B01J27/043 , B01J27/045 , B01J35/002 , B01J35/004 , B01J37/03 , Y02E60/364
Abstract: PURPOSE: A photocatalyst for generating hydrogen is provided to activate the photo catalyst in a sunbeam area as well as in a visible ray area, to increase generating amount of hydrogen and to make the life span of the catalyst semi-permanent. CONSTITUTION: A photo catalyst is indicated as a chemical formula, m(A)/Cd(M(B))S. A method for producing the photo catalyst is composed of the steps of: dissolving a compound containing Cd and M to make mole % of M 0.05 to 20.00; stirring the dissolved compound after giving the compound H2S or Na2S as a reactor to gain a Cd£M|S deposit; cleansing the deposit with water until pH keeps 7; drying the cleansed deposit in a vacuum under a nitrogen atmosphere, and doping the deposit by giving the deposit liquid compound containing m to be 0/10 to 2.50wt% of m content. The m stands for doped metal.
Abstract translation: 目的：提供用于产生氢的光催化剂，以在阳光区域和可见光区域激活光催化剂，以增加氢的产生量并使催化剂的寿命半永久。 构成：光催化剂以化学式m（A）/ Cd（M（B））S表示。 制备光催化剂的方法包括以下步骤：将含有Cd和M的化合物溶解，使摩尔％的M为0.05〜20.00; 在给出化合物H2S或Na2S作为反应器之后，搅拌溶解的化合物以获得Cd£M | S沉积物; 用水清洗沉淀物直到pH保持7; 在氮气气氛下在真空中干燥净化的沉积物，并通过给出含有m的沉积液体化合物为0/10至2.50重量％的m含量来掺杂沉积物。 m代表掺杂金属。
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公开(公告)号：KR1020000019204A
公开(公告)日：2000-04-06
申请号：KR1019980037179
申请日：1998-09-09
IPC: B01J27/04
CPC classification number: C01B3/042 , B01J27/045 , B01J27/049 , B01J35/002 , B01J35/004 , Y02E60/364
Abstract: PURPOSE: A photo catalyst having a semi-eternal life span is provided to activate a catalyst in a visible ray area regulated with a photo filter and to improve the amount of generating hydrogen. CONSTITUTION: In an equation of Pt(x)Zn/£M(y)|S, x shows a weight percentage of Pt and has a 0.05 to 2.50 value, and M is an element metal selected among V, Cr, Mo, Mn, Re, Fe, Ru, Os, Rh, Ir, Ni, Cu, Al, Ga and P. In addition, y shows a mole % of M/(M+Zn) and has a 0.01 to 20.00 value. Herein, a compound containing Zn and M is dissolved in water so M as to be 0.01 to 20, and H2S or Na2S is given in the compound to obtain a Zn(M)S deposit. Then, the deposit is washed with water until pH becomes 7, and the washed deposit is dried. The Pt compound of a liquid phase is given in the dried Zn(M)S deposit so the Pt content as to be 0.05 to 2.50 wt%, and an ultra violet photo is injected to dope Pt on Zn£M|S in a nitrogen atmosphere. Then, it is washed and dried again until pH becomes 7, oxidation-calcined at 280 to 420°C for 1 to 3 hours and reduction-calcined at 280 to 420°C for 1 to 3 hours.
Abstract translation: 目的：提供具有半永久寿命的光催化剂，以激活用光过滤器调节的可见光区域中的催化剂，并改善产生氢气的量。 构成：在Pt（x）Zn /£M（y）| S的方程中，x表示Pt的重量百分比，并具有0.05至2.50的值，M是选自V，Cr，Mo，Mn中的元素金属 ，Re，Fe，Ru，Os，Rh，Ir，Ni，Cu，Al，Ga和P.另外，y表示M /（M + Zn）的摩尔％，为0.01〜20.00。 这里，将含有Zn和M的化合物溶解在水中，使M为0.01〜20，在化合物中给出H 2 S或Na 2 S，得到Zn（M）S沉积物。 然后，用水洗涤沉淀物直到pH变为7，并将洗涤的沉积物干燥。 在干燥的Zn（M）S沉积物中给出液相的Pt化合物，使Pt含量为0.05〜2.50重量％，并注入紫外照片以在氮气中掺杂Pt 大气层。 然后再次洗涤和干燥直至pH变为7，在280至420℃下氧化煅烧1至3小时，并在280至420℃下还原煅烧1至3小时。
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公开(公告)号：KR100211857B1
公开(公告)日：1999-08-02
申请号：KR1019970023517
申请日：1997-06-07
Applicant: 한국화학연구원
IPC: B01J27/049
Abstract: 본 발명은 메탄으로부터 에틸렌, 에탄, 프로판 등의 저급탄화수소를 생성시키는 메탄전환반응용 및 그 제조방법, 그리고 이에 의한 저급탄화수소의 제조방법에 관한 것으로, 본 발명의 광촉매는 아래의 일반식 III을 가지는 것을 특징으로 한다.
(위 일반식Ⅲ에서 A는 광촉매(S+M)에 대한 M의 담지량을 나타내는 무게 백분율로서 0.50내지 3.50의 값을 가진다. S는 ZnS, CdS 및 TiO
2 중 선택된 담체이고, Zn:S 및 Cd : S는 각각 1:1 mol비를 갖는다. M은 Pd, Ir, Ru, Cd, Cu, Ag, Pt중 선택된 1종의 금속이다).-
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Patent Agency Ranking
公开(公告)号：KR1019950010784B1
公开(公告)日：1995-09-23
申请号：KR1019920010737
申请日：1992-06-20
Applicant: 한국화학연구원
IPC: B01J23/56
CPC classification number: Y02P20/52
Abstract: The catalyst has a fomula of MaPbS, where M is selected from Ru3(CO)12, RuCl3, RuH2(CO)[P(C6H5)3 2, IrCl3, RhCl3xH2O, PdCl2, PtCl2, Pd(OCOCH3)2, H2PtCl6, and Ru3(CO)9[P(C6H5)3 3; P as catalytic promoter is selected from P(C6H5)3, PtCl2, Pd(OCOCH3)2, RhCl(CO)[P(C6H5)3 2, H2PtCl6; S as inorganic support is selected from alpha-alumina, TiO2 or zeolite; a is the metal weight percentage of catalyst, 0.5˜10 wt% ; and b is the promoter metal weight percentage of catalyst, 0.5˜10 wt%. The catalyst is prepared by (A) impregnating the catalyst support with dichloromethane containing dissolved M and P ; (B) distilling the solvent under vacuum after refluxing at 30˜50 deg.C ; and (C) drying the raffinate under vacuum.
Abstract translation: 催化剂具有MaPbS，其中M选自Ru 3（CO）12，RuCl 3，RuH 2（CO）[P（C 6 H 5）3 2，IrCl 3，RhCl 3 xH 2 O，PdCl 2，PtCl 2，Pd（OCOCH 3）2，H 2 PtCl 6和 Ru3（CO）9 [P（C6H5）3 3; P作为催化促进剂选自P（C 6 H 5）3，PtCl 2，Pd（OCOCH 3）2，RhCl（CO）[P（C 6 H 5）3 2，H 2 PtCl 6; S作为无机载体选自α-氧化铝，TiO2或沸石; a是催化剂的金属重量百分比，为0.5〜10重量％ b是催化剂的助催化剂金属重量百分数，为0.5〜10重量％。 催化剂通过（A）用含有溶解的M和P的二氯甲烷浸渍催化剂载体来制备; （B）在30〜50℃回流后真空蒸馏溶剂; 和（C）在真空下干燥萃余液。
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公开(公告)号：KR1020040050998A
公开(公告)日：2004-06-18
申请号：KR1020020078815
申请日：2002-12-11
Applicant: 한국화학연구원
IPC: C07C67/38
CPC classification number: Y02P20/544
Abstract: PURPOSE: A method for preparing an ester derivative by using supercritical carbon dioxide as a reaction solvent is provided, to prevent the problems such as toxicity, corrosion and flammability due to the use of an organic solvent. CONSTITUTION: The method comprises the step of preparing an ester derivative from an olefin by using a palladium compound as a catalyst, a phosphine ligand material as an electron donor, an acid material as a reaction accelerator and supercritical fluid as a reaction solvent (See the reaction scheme II), wherein R is an alkyl or aryl group substituted with a functional group. Preferably the supercritical fluid is carbon dioxide. Preferably the acid material is p-toluenesulfonic acid; the palladium compound is selected from the group consisting of palladium acetate (Pd(OAc)2), palladium trifluoroacetate (Pd(tfOAc)2) and tetrakis(triphenylphosphine) palladium (Pd(PPh3)4); and the phosphine ligand material is selected from the group consisting of PPh3, P(p-toly)3, P(p-ClC6H4)3, P(p-FC6H4)3 and P(p-CF3(C6H4))3.
Abstract translation: 目的：提供通过使用超临界二氧化碳作为反应溶剂制备酯衍生物的方法，以防止由于使用有机溶剂而引起的毒性，腐蚀和可燃性等问题。 方案：该方法包括通过使用钯化合物作为催化剂，作为电子给体的膦配体材料，作为反应促进剂的酸性材料和作为反应溶剂的超临界流体，从烯烃制备酯衍生物的步骤（参见 反应方案II），其中R是被官能团取代的烷基或芳基。 优选地，超临界流体是二氧化碳。 优选酸性物质是对甲苯磺酸; 钯化合物选自乙酸钯（Pd（OAc）2），三氟乙酸钯（Pd（tfOAc）2）和四（三苯基膦）钯（Pd（PPh 3）4））。 膦配体材料选自PPh 3，P（p-toly）3，P（p-ClC 6 H 4）3，P（p-FC 6 H 4）3和P（p-CF 3（C 6 H 4））3。
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公开(公告)号：KR100386838B1
公开(公告)日：2003-06-09
申请号：KR1019990022954
申请日：1999-06-18
IPC: C01B3/02
Abstract: PURPOSE: A hydrogen generator is provided, which produces hydrogen by the continuous process and minimize management cost by automation of process CONSTITUTION: A reactor(1) comprises i) an input pipe(5) that input a photocatalyst of formula 1(Ni(a)Cd£M(b)|S, wherein, a is 0.1-5.00wt%(based on the photocatalyst) of Ni, M is one atom selected from V, Cr, Al, P, As, Sb and Pb, and b is 0.001-20.00mole% of M/(M+Cd)), an electron donator(Na2S), a reductant(Na2SO3 or NaH2PO2) and the purified water; ii) a hydrogen exhaust pipe(7); iii) a vacuum pump(3) that remove air of initial state being impurity; iv) a compressor; and then v) a scattered reflection glass cover(2) that cover the upside of the reactor(1) and have a thickness of 3-5mm.
Abstract translation: 目的：提供氢发生器，其通过连续过程产生氢气并通过自动化过程使管理成本最小化。结构：反应器（1）包括：i）输入管道（5），其输入式1的光催化剂（Ni ）Cd（磅）; M（b）| S，其中，a为Ni的0.1-5.00wt％（基于光催化剂），M为选自V，Cr，Al，P，As，Sb和Pb的一种原子，b （M + Cd）的0.001-20.00摩尔％），电子给体（Na 2 S），还原剂（Na 2 SO 3或NaH 2 PO 2）和纯净水; ii）氢气排气管（7）; iii）真空泵（3），其将初始状态的空气排除为杂质; iv）压缩机; 然后v）覆盖反应器（1）上部并具有3-5mm厚度的散射反射玻璃盖（2）。
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