Abstract:
PURPOSE: A desorption material for a continuous sulfur oxide adsorption removal process and a method consecutively removing a sulfur oxide from a hydrocarbon stream using the same are provided to efficiently remove a sulfide from a hydrocarbon stream by maintaining the sulfur oxide adsorption quantity of an adsorption material highly in a continuous process repeating the adsorption and desorption of the sulfur oxide. CONSTITUTION: A desorption material for a continuous sulfur oxide adsorption removal process includes any one selected from a DME (dimethyl ether), a DMC (dimethyl carbonate), and a MTBE (methyl tertiary butyl ether), and a mixture thereof. The desorption material additionally includes hexane or benzene. The desorption is performed at 40~90>=, 1~20barg. The vaporization latent heat of the desorption material is below 500 kJ/kg. The boiling point is 120>= or less which is a sulfide oxidation temperature. A method consecutively removing a sulfur oxide from a hydrocarbon stream includes following steps. A step for absorbing the sulfur oxide from a hydrocarbon stream by using an adsorption material selectively adsorbing the sulfur oxide; a step for reproducing the adsorption material by detaching the adsorbed sulfur oxide with the desorption material; and a step for reusing by separating a desorption material from the detached sulfur oxide and the mixture of the desorption material.
Abstract:
PURPOSE: A manufacturing method of an anisotropy element and a method thereof are provided to implement fine pitch connection by forming a nanostructure or a microstructure with the anisotropy element. CONSTITUTION: After a plate-shaped substrate is annealed, an electro polishing process of the plate-shaped substrate is executed(a-1). The pre-processed substrate is firstly anodized(a-2). An oxide layer of the substrate which is firstly anodized is eliminated in an etching process(a-3). The plate-shaped substrate is secondly anodized(a-4). A plurality of minute through holes is extended by acid treatment(a-5). [Reference numerals] (AA) Surface; (BB) Lateral cross section; (CC) Start; (DD) Pre-treatment; (EE) Firstly anodizing; (FF) Oxide etching; (GG) Secondly anodizing; (HH) Through hole extension; (II) End; (JJ) Step a-1; (KK) Step a-2; (LL) Step a-3; (MM) Step a-4; (NN) Step a-5;
Abstract:
본 발명은 공기 중의 산소를 선택적으로 흡착하는 산소 선택성 흡착제의 제조방법으로서, BaMg(CO 3 ) 2 입자 또는 BaMg(CO 3 ) 2 의 외부에 MgCO 3 또는 Mg(OH) 2 가 부착된 입자를 제조하는 단계 및 상기 입자를 고온 소성하는 단계를 포함하는 것을 특징으로 하는 산소 선택성 흡착제의 제조방법 및 이에 따라 제조된 산소 선택성 흡착제를 제공한다. 본 발명에 따른 산소 선택성 흡착제는 종래의 산소 선택성 흡착제보다 공기 중의 산소를 빠른 속도로 흡착시키면서도 높은 열적 안정성 및 우수한 산소 흡착능을 나타낸다.
Abstract:
본 발명은 온도변동 흡착공정에 의해서 연소배가스로부터 이산화탄소를 농축 회수하는 장치 및 방법에 대한 것이다. 본 발명은 이산화탄소 선택성 흡착제가 충진된 흡착탑에서 흡착-가열탈착-세정-냉각의 공정으로 이루어진 한 주기 운전을 수행함으로써 흡착-가열탈착-냉각단계로 운전이 되는 기존의 온도변동흡착공정에 비해 높은 흡착제 활용과 이산화탄소 제거율을 제공한다. 또한 가열탈착 및 냉각 공정은 탑 내의 가스를 연속적으로 재순환하여 운전함으로써 충분한 가열 및 냉각이 이루어지게 하는 것을 특징으로 한다. 이산화탄소 (Carbon dioxide), 온도변동흡착공정(Temperature swing adsorption), 연소배가스 (Combustion flue gas)
Abstract:
PURPOSE: An oxygen selective absorber and a method for preparing the same are provided to uniformly form a protective film on the surface of barium-contained compound using magnesium oxide. CONSTITUTION: Magnesium alkoxide is dissolved in alcohol in order to obtain magnesium oxide precursor solution. A barium-contained compound is dispersed in the magnesium oxide precursor solution in order to solate the dispersion solution. Distilled water is added to the solated dispersion solution in order to be gelated. The gelated dispersion solution is undergone a drying process and a sintering process.
Abstract:
PURPOSE: A method for culturing microoralgae is provided to efficiently remove 90% or more of carbon dioxide and to supply the carbon dioxide to algae. CONSTITUTION: A method for culturing microalgae, which is combined with a process of collecting carbon dioxide from exhaust gas comprises: a step of collecting the carbon dioxide in ammonium carbonate and ammonium bicarbonate using an ammonia solution; a step of culturing the microalgae using the collected ammonium carbonate and ammonium bicarbonate; and a step of separating the remaining amount of ammonium ions.
Abstract:
본 발명은 탈황공정을 포함한 청정석탄의 제조 방법에 관한 것으로, 그 목적은 석탄(저등급석탄 포함)을 용매와 혼합하고 300℃ 이상의 온도에서 반응시켜 석탄에 포함되어 있는 유기질 성분(또는 가연성 성분)을 추출시켜 용해하고, 용해된 유기질 성분에 포함된 황화합물을 추가적으로 제거하는 탈황공정을 포함하는 청정석탄의 제조 방법을 제공하는데 있다. 본 발명의 구성은 (A) 원료 석탄과 용매를 일정비율로 혼합하여 슬러리화하는 단계와; (B) 이후 슬러리를 추출반응기에 넣고 초음파를 이용하여 반응을 촉진시켜 석탄에 포함되어 있던 유기질성분을 용매에 의해 용해 후, 용해된 유기질 성분과 용해되지 않은 입자상 물질을 분리하는 단계와; (C) 이후 용해된 유기질 성분에 포함된 황화합물을 제거하는 탈황공정단계와; (D) 탈황된 유기질 성분을 건조하는 단계;를 포함하는 탈황공정을 포함한 청정석탄의 제조 방법을 그 기술적 사상의 특징으로 한다. 저등급석탄, 열적추출, 초음파, 청정석탄, 황화합물, 탈황공정
Abstract:
PURPOSE: A sulfide absorber for a solvent extracting process of coal and a sulfide absorption method using the same and coal purifying method are provided to effectively remove sulfide in organic solvent containing plastic component extract by using reactor including absorption. CONSTITUTION: A coal melting storage tank(10) stores an organic solvent. The stored organic solvent is moved to a reactor through high-pressure liquid pump(20). The reactor includes an absorbent(30). The reactor is heated by a high-temperature furnace(40). A pressure gauge(50) displays pressured in the reactor. The pressure is controlled by a pressure control valve(60). The absorption reaction of organic solvent is operated. The processed organic solvent is collected with a sample collecting container(70).
Abstract:
본 발명에서는 메조기공 실리카 주형(KIT-6)의 표면을 소수성 메틸기로 개질시켜 높은 소수성을 표면을 지니는 메조기공 실리카 주형(HP-KIT-6)을 제조하고, 그러한 메조기공 실리카 주형을 사용하여 고도로 정렬된 메조기공 은을 제조하는 방법에 관한 발명이다. 메조기공 실리카 주형, 메조기공 은
Abstract:
PURPOSE: A catalyst for acid components in high TAN crude oil and a manufacturing method thereof are provided to especially remove naphthenic acid among the acid components, and to improve activity and stability under acidic atmosphere. CONSTITUTION: A catalyst used for removing acid components in high TAN crude oil includes alkaline earth metal silicate or alkaline earth metal aluminate which is gained by reacting silicate or aluminate anions with alkaline earth metal cations. A molar ratio of alkaline earth metal/Si or Al is 10 or less. The catalyst is manufactured by a high-temperature plasticity method, a sedimentation method or a sol-gel method. The catalyst is used at a temperature of 150 °C ~ 500 °C. The catalyst for removing the acid components is a natural mineral of forsterite, talc or enstatite.