Abstract:
본발명은연료개질기기에관한것으로, 수직방향으로이동되는내부슬리브를구비하여부하에따라수증기개질반응부의온도구배를변화시켜, 부분부하에서도연료개질기의효율을유지할수 있다. 또한, 외부슬리브또는내부슬리브의회전에의하여, 슬리브의하단에형성되는배가스배출높이를수직방향으로이동하여, 내부슬리브의수직방향이동시필요한추가공간이필요없고, 약간의회전만으로도동작이가능하므로내구성이높아지는효과가있다. 또한, 개질가스배출부의상측면에가열기를구비하거나, 제2개질가스배출튜브의외측면에가열기를구비하여, 간단한구성및 쉬운작동방식으로연료개질기의효율을유지할수 있다.
Abstract:
본 발명은 균일 용액 침전법을 이용한 연소촉매용 헥사 알루미네이트계 촉매의 제조방법에 관한 것으로, 보다 상세하게는 망간, 바륨, 알루미늄 및 산소로 구성된 헥사 알루미네이트계 촉매는 1200 ℃ 이상에서 소성과정을 거치면서 우수한 비표면적을 보이며, 고온에서 안정적인 연소반응을 보여주는 특성을 가지고 있다. 또한, 본 발명의 촉매 제조법은 동일한 품질의 촉매를 반복적으로 제조가 가능하며, 대량 생산화 작업이 종래 방법에 비해 용이하다.
Abstract:
PURPOSE: A manufacturing method a hexa aluminate system catalyst is provided to simplify a process, reduce production costs, increase thermal stability and repetitively manufacture catalyst having equal quality. CONSTITUTION: A manufacturing method of a hexa aluminate system catalyst comprises following steps; a step in which a urea solution reacts with metal precursor aqueous solution containing mangan salt, barium salt and aluminium salt; a step in which a compound expressed as Mn-Ba-Al2O3 is manufactured by firing the precipitate, which is obtained from the previous step, in 1200-1400°C. The salt is one selected among hydrochloride salt, nitrate salt and sulphate salt. [Reference numerals] (AA) Metal precursor aqueous solution containing manganese salt, barium salt and aluminum salt; (BB) Urea Solution; (CC) Step of precipitation reaction of mixed solution and urea Solution; (DD) Filtering, washing and drying; (EE) Step of calcinating the precipitate
Abstract:
PURPOSE: A reforming catalyst, and synthetic gas production method and producing reactor using the same are provided to offer the excellent resistance against carbon deposit when producing synthetic gas formed of hydrogen and carbon monoxide from natural gas or methane. CONSTITUTION: A reforming catalyst contains a carrier denoted by chemical formula 1, and a metallic composite body which is contained in the carrier and is denoted by chemical formula 2. In the chemical formula 1 and 2: y is the content of MgO from the total amount of the carrier which is 15-35 parts by weight for 100 parts by weight of the carrier; and l, m, and n are the contents of Ni, Ce, and Co in the reforming catalyst, which are 3-20 parts by weight, 0-15 parts by weight, and 0-7 parts by weight, respectively.
Abstract:
PURPOSE: A metal-structure, a metal-structured catalyst, a metal-structured catalyst module and their preparation methods for a possible application in a compact reformer are provided to uniformly form a metallic oxidation layer through an electrochemical surface treatment. CONSTITUTION: A preparation method for a possible application in a compact reformer comprises the steps of: removing and cleaning a surface containment of a metallic supporter; performing electrochemical surface treatment to form a metallic oxidation layer by adjusting the applied voltage in electrolyte and the concentration of the electrolyte; and performing the heat treatment under oxidizing environment to form a metallic oxidation layer.