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61.发明公开
公开(公告)号：KR1020040024775A
公开(公告)日：2004-03-22
申请号：KR1020020056218
申请日：2002-09-16
Applicant: 한국화학연구원
IPC: B01J27/18
CPC classification number: B01J37/0201 , B01D53/8659 , B01J27/16 , Y02C20/30
Abstract: PURPOSE: An aluminum oxide catalyst for removing the perfluoro compounds by decomposing perfluoro compounds that is a global warming gas generated from semiconductor manufacturing industries is provided, and a method for decomposing thus removing perfluoro compounds in waste gas using the catalyst is provided. CONSTITUTION: The aluminum oxide catalyst for decomposing thus removing perfluoro compounds in waste gas is characterized in that phosphorus constituent is supported onto the surface of aluminum oxide in such a way that a mole ratio of aluminum (Al)/phosphorus (P) is 10 to 100, wherein the aluminum oxide is selected from gamma alumina (γ-Al2O3), aluminum trihydroxide, boehmite and pseudo-boehmite, wherein the phosphorus constituent is diammonium hydrophosphate ((NH3)2HPO4), ammonium dihydrophosphate (NH3H2PO4) or phosphoric acid (H3PO4), and wherein the perfluoro compounds are one or more compounds selected from CF4, CHF3, CH2F2, C2F4, C2F6, C3F6, C3F8, C4F8, C4F10, NF3 and SF6. The method for decomposing thus removing perfluoro compounds in waste gas comprises the process of passing waste gas containing perfluoro compounds through the aluminum oxide catalyst at a temperature of 400 to 800 deg.C under the existence of steam, wherein the steam contains the perfluoro compounds in such a way that a mole ratio of steam/perfluoro compounds is in the range of 1 to 100, and where oxygen along with the steam is added to the catalyst in the concentration range of 0 to 50%.
Abstract translation: 目的：提供一种用于通过分解由半导体制造工业产生的全球变暖气体的全氟化合物来除去全氟化合物的氧化铝催化剂，并且提供了使用该催化剂除去废气中的全氟化合物的方法。 构成：用于分解废气中的全氟化合物的氧化铝催化剂的特征在于，将磷成分负载在氧化铝的表面上，使得铝（Al）/磷（P）的摩尔比为10〜 100，其中所述氧化铝选自γ氧化铝（γ-Al 2 O 3），三氢氧化铝，勃姆石和假勃姆石，其中所述磷成分为磷酸氢二铵（（NH 3）2 HPO 4），二氢磷酸铵（NH 3 H 2 PO 4）或磷酸（H 3 PO 4 ），其中全氟化合物是一种或多种选自CF 4，CHF 3，CH 2 F 2，C 2 F 4，C 2 F 6，C 3 F 6，C 3 F 8，C 4 F 8，C 4 F 10，NF 3和SF 6的化合物。 用于分解废弃气体中的全氟化合物的方法包括在蒸汽存在下在400-800℃的温度下将含有全氟化合物的废气通过氧化铝催化剂的方法，其中蒸汽含有全氟化合物 蒸汽/全氟化合物的摩尔比在1〜100的范围内，并且在0〜50％的浓度范围内向催化剂中加入氧气和蒸汽。
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公开(公告)号：KR100411180B1
公开(公告)日：2003-12-18
申请号：KR1020010000237
申请日：2001-01-03
Applicant: 한국화학연구원
IPC: H01L21/205
CPC classification number: C01B33/027
Abstract: The present invention relates to a method and an apparatus for preparing polysilicon, more specifically to a method and an apparatus for preparing polysilicon in granule form by equipping a fluidized bed reactor with a nozzle that provides an etching gas including hydrogen chloride in order to effectively prevent silicon from depositing on the outlet surfaces of the reaction gas supplying means and to be able to operate the reactor continuously in the bulk production of polysilicon granules.
Abstract translation: 本发明涉及一种制备多晶硅的方法和设备，更具体地说，涉及一种用于制备颗粒形式的多晶硅的方法和设备，其通过在流化床反应器中装备提供包括氯化氢的蚀刻气体的喷嘴以有效地防止 硅沉积在反应气体供应装置的出口表面上，并且能够连续操作反应器以批量生产多晶硅颗粒。
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公开(公告)号：KR100277203B1
公开(公告)日：2001-02-01
申请号：KR1019980022415
申请日：1998-06-15
Applicant: 한국화학연구원
Abstract: 본 발명은 수소와 산소에 의한 직접적 수산화 방향족 화합물의 제조방법에 관한 것으로서, 더욱 상세하게는 Pd, Pt, Au, Cu 등의 8B족 전이금속과 안트라퀴논 등과 같은 수소전달 유기물질 등이 함께 내포된 다공성 촉매와 Ti, V, Sn 등의 사면체 배위구조를 가지는 전이금속을 함유한 촉매로 이루어진 이원계 불균일 촉매상에서 수소와 산소를 사용하여 온화한 분위기에서 벤젠 등과 같은 방향족 탄화수소 화합물이 직접적으로 산화반응이 이루어지게 함으로써 기존의 균일 촉매에 의한 액상 산화반응이 갖는 단점을 극복하고, 고가의 과산화수소를 산화제로 사용하지 않으며, 선택성이 우수한 불균일 촉매를 사용한 직접적 수산화 방향족 화합물의 제조방법에 관한 것이다.
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公开(公告)号：KR1020000041349A
公开(公告)日：2000-07-15
申请号：KR1019980057206
申请日：1998-12-22
Applicant: 한국화학연구원
IPC: C07C39/06
Abstract: PURPOSE: A method for alkylating a hydroxylated aromatic compound is provided which shows a good selectivity and conversion rate. CONSTITUTION: In the method for alkylating a hydroxylated aromatic compound, the alkylation reaction is performed under the conditions of: (i) the molar ratio of silica(SiO2) to alumina(Al2O3) of 1-100; (ii) under porous solid acid catalyst having a pore size of 2-20 angstrom; (iii) at a temperature of 50-200°C; and (iv) under pressure of 1-20, wherein the hydroxylated aromatic compound is either a monohydroxylated aromatic compound such as phenol or a dihydroxylated aromatic compound such as catechol and an alkylating reagent of the alkylation reaction is either an olefin compound having 3-6 carbon atoms such as isobutylene or an alcohol such as tertiary butanol.
Abstract translation: 目的：提供一种烷基化羟基化芳族化合物的方法，显示出良好的选择性和转化率。 构成：在羟基化芳族化合物的烷基化方法中，烷基化反应在以下条件下进行：（i）二氧化硅（SiO 2）与氧化铝（Al 2 O 3）的摩尔比为1-100; （ii）在孔径为2-20埃的多孔固体酸催化剂下; （iii）温度为50-200℃; 和（iv）在1-20的压力下，其中羟基化芳族化合物是单羟基化芳族化合物如苯酚或二羟基化芳族化合物如儿茶酚和烷基化反应的烷基化试剂是具有3-6 碳原子如异丁烯或醇如叔丁醇。
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Patent Agency Ranking
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公开(公告)号：KR1020170104418A
公开(公告)日：2017-09-15
申请号：KR1020170112070
申请日：2017-09-01
Applicant: 연세대학교 산학협력단 , 한국화학연구원
CPC classification number: B01J8/1881 , B01J8/1827 , B01J8/1845 , B01J19/30
Abstract: 본발명의일 실시예에따른순환유동층반응기는반응기체가상승되며, 상기반응기체와고체입자의반응이일어나는주반응부, 상기주반응부와연결되어형성되며, 상기반응기체와상기고체입자의분리가일어나는분리부및 상기고체입자가하강되며, 다시주반응부로유입되도록하는하강부를포함하되, 상기주반응부는복수개의확장부를포함하며, 상기확장부내에서고체입자의순환이증가하여고체입자의체류시간이증가되는것을특징으로한다.
Abstract translation: 根据本发明的实施方式的循环流化床反应器包括主反应部分和反应部分，其中反应气体升高并且反应气体和固体颗粒之间发生反应，反应部分与主反应部分连接形成， 其中主反应部分包括多个膨胀部分，并且膨胀部分中固体颗粒的循环增加，使得固体颗粒的量 停留时间增加。
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公开(公告)号：KR101771163B1
公开(公告)日：2017-08-24
申请号：KR1020160012387
申请日：2016-02-01
Abstract: 본발명의일 실시예는촉매분해시스템을이용하여납사로부터올레핀을생산하는공정중, 코킹된 촉매를재생하는공정에서핫 스팟을줄이는촉매재생기를제공하고자하는것이다. 본발명의일 실시예에따른촉매재생기는, 납사와촉매를혼합하여납사의분해반응을일으킨후, 코킹된 촉매와생성된올레핀을분리하고, 코킹되어떨어지는촉매를재생하며, 상기촉매가쌓여서형성되는촉매층을수용하는용기, 고체카본(solid carbon)을함유한고온의기체를생성하는부분산화버너, 및상기부분산화버너에연결되어상기용기의바닥에서떨어지는상기촉매및 상기촉매층을향하여설치되어, 고체카본을함유한고온의기체를상기촉매및 상기촉매층에분사하는공급노즐을포함한다.
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