摘要:
A dry reforming methane to synthesis gas catalyst (21) is provided, The catalyst has a primary metal of magnesia (MgO A secondary metal is mixed with the primary metal. The primary metal and the secondary metal have crystalline structures that are close- to om another so as to be in solid solution witk the support and form a mono-crystalline structure.
摘要:
The invention relates, in a first aspect, to a process to convert a feed stream comprising carbon monoxide and hydrogen as major components (synthesis gas) into liquid hydrocarbons by means of the combination of a Fischer-Tropsch solid catalyst and a hydrotreating solid catalyst in separate catalyst beds operated at different reaction temperatures, and, in a second aspect, to a multimodal porosity Fischer-Tropsch catalyst to be applied in said process and the method for preparing said Fischer-Tropsch catalyst.
摘要:
A catalyst composition, its use in hydroprocessing of hydrocarbons, preferably middle-distillates such as diesel, and a method of making it, comprising impregnating a support material, preferably gamma-alumina extrudates, with 0.5-20 wt.% Co,Ni and 5-50 wt.% Mo,W metals and a di- or tricarboxylic acid of specified MW and carbon atom content, preferably gluconic or citric acid, followed by a controlled drying of the impregnated support, the temperature being within the liquid range of the carboxylic acid used, and incorporation thereafter of a non-S containing heterocompound with D >= 0.45 as further additive, preferably selected from lactams, cyclic esters or cyclic ethers, in particular NMP or propylene carbonate, into the dried, impregnated support.
摘要:
본 발명은 산화적 탈수소화 반응 촉매 및 이의 제조방법에 관한 것으로, 본 발명에 따르면 금속산화물 나노입자(nanoparticle)를 제조한 후 이들을 지지체에 고정시켜 부텐 전환율이 높고 부반응 억제 효과가 우수하여 반응성 및 생성물에 대한 선택성이 우수한 산화적 탈수소화 반응 촉매 및 이의 제조방법을 제공하는 효과가 있다.
摘要:
본 발명은 복합 금속 산화물 입자 및 이의 제조방법에 관한 것이다. 구체적으로, Cu 산화물, Co 산화물 및 Cu-Co 산화물 중 2종 이상이 혼재된 복합 금속 산화물 입자, 이를 포함하는 산소 발생 촉매, 이를 포함하는 산소 환원 촉매 및 이의 제조방법이 제공된다.
摘要:
Method for preparing a catalytic fabric filter comprising the steps of a) providing a fabric filter substrate, preferably consisting of glass fibers, having a gas inlet surface and a gas outlet surface, the gas inlet surface is coated with a polymeric membrane, preferably consisting of polytetrafluoroethylene; b) providing an aqueous impregnation liquid comprising one or more catalyst metal precursor compounds; c) impregnating the fabric filter substrate with the impregnation liquid; and d) drying and thermally activating the impregnated fabric filter substrate at a temperature below 300 °C to convert the one or more metal compounds of the catalyst precursor to their catalytically active form, wherein the drying of the impregnated fabric filter substrate in step d) is performed from the gas outlet surface.
摘要:
초산의 제조에 쓰이는 알킬할라이드와 산화성 부가반응을 하는 촉매 (로듐, 이리듐, 코발트, 니켈, 팔라듐, 백금, 루테늄) 로 트리메틸아민을 첨가하여 촉매의 안정성을 반응기 내의 함수농도에 제한을 받지 않고 초산을 효율적으로 합성하는 방법, 동일한 촉매에 수분이 제거된 무수 트리메틸아민을 일산화탄소의 가압에서 카보닐레이션하여 극소량의 할로젠 촉진제로 소모 없이 디메틸아세트아마이드를 높은 촉매 효율로 합성하는 방법, 그리고 수분이 제거된 무수 3차아민을 일산화탄소의 가압에서 카보닐레이션하여 극소량의 할로젠 촉진제로 소모 없이 3차아마이드를 높은 촉매 효율로 합성하는 방법에 관한 것이다.
摘要:
The invention provides novel, low-cost catalysts and methods for their preparation and application in CO 2 adsorption and conversion to long-chain hydrocarbons via photosynthesis with ambient CO 2 and solar energy.