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    • 4. 发明公开
    • 수직 일체형 실리콘카바이드 황산분해반응기 및 이를 이용한 가압황산분해방법
    • 用于分解硫酸的积分立式碳化硅反应器和使用硫酸的加压分解方法
    • KR1020120129246A
    • 2012-11-28
    • KR1020110047385
    • 2011-05-19
    • 한국과학기술연구원
    • 김홍곤정광덕김창수오준우홍종엽
    • B01J19/02B01J19/24C01B17/50C01B13/02
    • B01J19/02B01J19/24C01B13/02C01B17/50
    • PURPOSE: A vertically integrated silicon carbide reactor for decomposing sulfuric acid, an apparatus for decomposing sulfuric acid using the same, and a method for decomposing sulfuric acid using the same are provided to bear high temperatures and pressures and to improve corrosion resistance to acid. CONSTITUTION: A vertically integrated silicon carbide reactor includes a silicon carbide-based bell-shaped upper tube, a silicon carbide-based bell-shaped lower tube, a silicon carbide-based center connecting part(24), and a stainless steel-based fastening part(25). The center connecting part connects the upper tube and the lower tube. The fastening part includes an aluminum liner. The center connecting part includes a sulfuric acid inlet, a sulfuric acid decomposed gas outlet, a supplying path, a discharging path, and one or more gas ascending flow path. The sulfuric acid inlet is connected to the supplying path. The sulfuric acid decomposed gas outlet is connected to the discharging path.
    • 目的:提供用于分解硫酸的垂直一体化的碳化硅反应器,使用该硫酸的分解硫酸的装置以及使用其分解硫酸的方法以承受高温和高压并提高对酸的耐腐蚀性。 构成:垂直整合的碳化硅反应器包括基于碳化硅的钟形上管,基于碳化硅的钟形下管,基于碳化硅的中心连接部(24)和不锈钢基紧固件 部分(25)。 中心连接部分连接上管和下管。 紧固部件包括铝衬垫。 中心连接部分包括硫酸入口,硫酸分解气体出口,供应路径,排放路径和一个或多个气体上升流动路径。 硫酸入口连接到供应路径。 硫酸分解气体出口连接到排放路径。
    • 5. 发明公开
    • 인 함유 이온성 액체를 이용한 기체 흡수제
    • 吸收含有磷组的离子液体
    • KR1020100042110A
    • 2010-04-23
    • KR1020080101248
    • 2008-10-15
    • 한국과학기술연구원
    • 김홍곤이현주김창수공경택김훈식
    • B01D53/14B01J20/02
    • Y02A50/2342Y02C10/06
    • PURPOSE: A gas absorbent for purifying exhaust gas is provided to absorb acidic gas such as carbon dioxide and sulfur dioxide and to be used as a separate medium of an absorption method for repetitively separating the gas. CONSTITUTION: A gas absorbent for purifying exhaust gas comprises: cation containing nitrogen atom selected from dialkyl imidazolium and dialkyl morpholinium; and anion containing phosphorous atom selected from alkyl phosphate and dialkyl phosphate. The gas absorbent absorbs carbon dioxide(CO2) or sulfur dioxide(SO2). An alkyl group of the dialkyl imidazolium or the dialkyl morpholinium has hydrogen atom or carbon number 1 ~ 4.
    • 目的:提供一种用于净化废气的吸收剂,以吸收二氧化碳和二氧化硫等酸性气体,并用作用于重复分离气体的吸收方法的单独介质。 构成:用于净化废气的气体吸收剂包括:含有选自二烷基咪唑鎓和二烷基吗啉的氮原子的阳离子; 和选自磷酸烷基酯和磷酸二烷基酯的含磷阴离子。 气体吸收剂吸收二氧化碳(CO2)或二氧化硫(SO2)。 二烷基咪唑鎓或二烷基吗啉的烷基具有氢原子或碳原子数1〜4。
    • 6. 发明公开
    • 함불소알킬그룹이 치환된 이온성 액체의 직접 제조방법
    • 一氟化合物与氟代醇基的合成
    • KR1020090118425A
    • 2009-11-18
    • KR1020080044190
    • 2008-05-13
    • 한국과학기술연구원
    • 이현주서동진안병성김홍곤김창수김훈식
    • C07D233/28
    • C07D207/06C07C209/60C07D213/20C07D233/06C07D233/56C07D233/64C07D237/08C07D239/26C07D249/04C07D251/14C07D253/065C07D295/067
    • PURPOSE: A direct synthesis of ionic liquid with substituted perfluorinated alkyl group is provided to synthesize a target compound with high yield in a short time and improve process safety. CONSTITUTION: A direct synthesis of ionic liquid with substituted perfluorinated alkyl group of the chemical formula 1 comprises a step of reacting perfluorinated olefin compound of CFR1=CR2R3 and bronsted acid of YH with nitrogen-containing compound in a reaction group. The nitrogen-containing compound is amine compound, pyrrolidine, pyrrole, imidazole, 4,5-dihydrotriazole, triazole, morpholine, piperidine, piperazine, pyridine, pyridazine or triazine. The bronsted acid is HCl, HBr, HI, HBF4, HPF6,(CF3SO)2NH, CF3SO3H, CH3SO3H, HNO2, HNO3, CF3CO2H, or CH3CO2H. The perfluorinated olefin compound is CHF=CH2, CHF=CHF, CF2=CH2, CF2=CHF, CF2=CF2, CHF=CFCF3, CF2=CFCF3, or CF2=CFCF2CF3.
    • 目的:提供具有取代全氟烷基的离子液体的直接合成,以在短时间内高产率地合成目标化合物,提高工艺安全性。 构成:化学式1的具有取代的全氟化烷基的离子液体的直接合成包括在反应基团中使CFR1 = CR2R3的全氟化烯烃化合物和YH的青铜酸与含氮化合物反应的步骤。 含氮化合物是胺化合物,吡咯烷,吡咯,咪唑,4,5-二氢三唑,三唑,吗啉,哌啶,哌嗪,吡啶,哒嗪或三嗪。 青铜酸是HCl,HBr,HI,HBF4,HPF6,(CF3SO)2NH,CF3SO3H,CH3SO3H,HNO2,HNO3,CF3CO2H或CH3CO2H。 全氟化烯烃化合物为CHF = CH 2,CHF = CHF,CF 2 = CH 2,CF 2 = CHF,CF 2 = CF 2,CHF = CFCF 3,CF 2 = CFCF 3或CF 2 = CFCF 2 CF 3。
    • 8. 发明授权
    • 이온성 액체를 이용한 IS 싸이클 공정의 혼합가스로부터순수 이산화황의 분리 회수 방법
    • 在具有离子液体的循环中从气体混合物中分离和回收纯二氧化硫的方法
    • KR100831093B1
    • 2008-05-22
    • KR1020070034777
    • 2007-04-09
    • 한국과학기술연구원
    • 김창수공경택유계상이병권정광덕김홍곤안병성주오심
    • C01B17/56C01B17/50
    • C01B17/56B01D53/1481B01D53/1493C01B13/0229C01B13/0285C01B2210/0071Y02E60/36Y02P20/542
    • A method is provided to separate and recover pure SO2 only from a gas mixture generated from an IS(Iodine-Sulfur) cycle process even at a high temperature in a stable and succeeding manner through absorption and degassing processes using ionic liquid, and prevent loss of a solvent even in the repeated absorption and degassing processes by maintaining low vapor pressure and high temperature stability as compared with a conventional amine-based absorbent. As a method for separating and recovering sulfur dioxide from a gas mixture containing 40 to 80 wt.% of sulfur dioxide(SO2) and 20 to 60 wt.% of oxygen exhausted from an IS(Iodine-Sulfur) cycle process consisting of a decomposition reaction of sulfuric acid, a decomposition reaction of sulfur dioxide, and a decomposition reaction of iodic acid, a method for separating and recovering pure sulfur dioxide from the gas mixture in the IS cycle process using ionic liquid comprises the steps of: contacting the gas mixture with ionic liquid to allow the ionic liquid to absorb and separate sulfur dioxide(SO2) in the gas mixture in a temperature range of 20 to 50 deg.C; and degassing the sulfur dioxide that has been absorbed and separated from the gas mixture from the ionic liquid in a temperature range of 120 to 250 deg.C. The ionic liquid is ionically bonded compounds in which cations selected from imidazolium, pyrrolidinium, piperidinium, morpholinium and pyridinium are bonded with anions selected from hydrogen sulfate(HOSO3^-), methyl sulfate(CH3OSO3^-), ethyl sulfate(C2H6OSO3^-)methane sulfonate(CH3SO3^-), acetate(CH3COO^-), tetrafluoroborate(BF4^-), hexafluorophosphate(PF6^-), and chloride(Cl^-), or mixtures of the ionically bonded compounds. Further, the recovered sulfur dioxide has a recovery rate of 85 to 95% and purity of 98 to 99%.
    • 提供了一种仅通过IS(碘 - 硫)循环过程产生的气体混合物分离和回收纯SO2的方法,即使在高温下以稳定和后续的方式通过使用离子液体的吸收和脱气方法也可以分离和回收纯SO2,并防止 与常规的胺类吸收剂相比,通过保持低蒸气压和高温稳定性,即使在反复吸收和脱气过程中也是这样。 作为从含有40〜80重量%的二氧化硫(SO 2)和20〜60重量%的由分解的(碘 - 硫)循环过程中排出的氧气的气体混合物中分离和回收二氧化硫的方法, 硫酸的反应,二氧化硫的分解反应和碘酸的分解反应,使用离子液体在IS循环过程中从气体混合物中分离和回收纯二氧化硫的方法包括以下步骤:使气体混合物 使离子液体允许离子液体在20至50℃的温度范围内吸收和分离气体混合物中的二氧化硫(SO 2); 并且在120至250℃的温度范围内,从气体混合物中吸收和分离的二氧化硫从离子液体脱气。 离子液体是离子键合的化合物,其中选自咪唑鎓,吡咯烷鎓,哌啶鎓,吗啉鎓和吡啶鎓的阳离子与阴离子选自硫酸氢盐(HOSO 3 - ),甲基硫酸盐(CH 3 OSO 3 - ),乙基硫酸盐(C 2 H 6 OSO 3 - )) 甲磺酸盐(CH 3 SO 3 - ),乙酸盐(CH 3 COO - ) - 四氟硼酸盐(BF 4 - ),六氟磷酸盐(PF 6 - )和氯化物(Cl - ))或离子键合化合物的混合物。 此外,回收的二氧化硫的回收率为85〜95%,纯度为98〜99%。