Abstract:
The present invention relates to a regularly ordered mesoporous carbon-based catalyst for producing oxygenated carbon compounds from synthetic gas and a method for producing oxygenated carbon compounds using the same. Specifically, the catalyst of the present invention uses ordered mesoporous carbon (OMC) having a high surface area and even and regular mesoporous as a carrier while the structure of the carrier is specified as a 2-D tubular type, a 3-D rod type or a 3-D tubular type, in order to optimize the side and spread extent of the particles of active metals for increasing the selectivity and production speed of oxygenated carbon compounds. The regularly ordered mesoporous carbon carrier can be further produced from a carbohydrate aqueous solution such as sucrose or xylose to be eco-friendly and economical, so that the carrier can be useful in the production of oxygenated carbon compounds.
Abstract:
The present invention relates to an oxidative desulfurization process for hydrocarbon. According to one embodiment of the present invention, the oxidative desulfurization process for hydrocarbon produces desulfurized final products by converting sulfur compounds within hydrocarbon into sulfur oxide by reacting an oxidant with hydrocarbon under an oxidation catalyst and removing the sulfur oxide through extraction or adsorption. The oxidative desulfurization method for hydrocarbon removes sulfur oxide using an extractant or an adsorbent. [Reference numerals] (AA) Hydrocarbon; (BB) Oxidizer; (CC) Oxidation step 1; (DD) Oxidation step 2; (EE) Extraction; (FF) Desulfurized product
Abstract:
본 발명은 유기용매에 전이 금속 전구체와 킬레이트 제제를 투입하여 반응시키는 1 단계; 담지체를 수용액에 투입하고 혼합하는 2 단계; 상기 1 단계 및 2 단계에서 제조된 용액을 혼합하여 교반하는 3 단계; 및 상기 3단계에서 제조된 용액을 건조 및 소성하는 4단계; 를 포함하는 선택산화탈황용 촉매의 제조 방법에 관한 것이다. 상기 제조 방법에 의해 제조된 촉매는 활성금속성분의 담지 시 낮은 반응 활성을 보이는 크기가 큰 활성금속의 형성과 입단화 (aggregation)를 방지하여 높은 촉매 활성을 유지하는 동시에 촉매의 수명을 증가 시키게 된다.
Abstract:
PURPOSE: A disulfonate type promoter for formation of natural gas hydrate is provided to easily control the generation rate by controlling concentration to water, and to have large storage ability of gas hydrate. CONSTITUTION: A disulfonate type promoter for formation of natural gas hydrate is an anionic multi-chain type disulfonate type surfactant in chemical formula 1. In chemical formula 1, R^1 and R^2 is same or different each other, selected from saturated of unsaturated C1-30 linear or branched alkyl group. The alkyl is able to be substituted to fluorine atom or aromatic ring. M is selected from alkali metal, and n is the integer of 0-6. The manufacturing method of the natural gas hydrate comprises a step of hydrating natural gas in solution which contains 5-150 ppm of the promoter.