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公开(公告)号：KR1020020091924A
公开(公告)日：2002-12-11
申请号：KR1020010030741
申请日：2001-06-01
Applicant: 한국과학기술연구원
IPC: B01D3/32
Abstract: PURPOSE: A thermal insulation method of a multi-stage distillation column by compensation of heat loss is provided to completely thermally insulate the distillation column irrespective of external temperature and vertical position of the distillation column in the multi-stage distillation column. CONSTITUTION: The thermal insulation method of a distillation column is characterized in that heat is supplied to the distillation column(1) through the heat supply source by installing temperature sensors at two points inside a thermal insulation layer that are differently distanced from the outer wall of the distillation column and installing a heat supply source at the more outer side than the temperature sensor installed at the more outer side than the other temperature sensor so that temperature of the two temperature sensors is equally maintained, wherein the distillation column is covered by an inner thermal insulation material(2), a metal sheet, an insulating film, a heating wire and an outer thermal insulation material in order, an inner joint(8) of thermoelectric couple thermometers is arranged between the outer wall of the distillation column and the inner thermal insulation material, and an outer joint(9) of thermoelectric couple thermometers is arranged between the inner thermal insulation material(2) and the metal sheet, different metals are used as a first thermoelectric couple wire(10) connecting the two temperature sensors and a second thermoelectric couple wire(11) connecting the temperature sensors to a temperature indication controller(12) so that temperature difference therebetween is directly measured, and the distillation column is vertically divided into two or more zones so that separate joints of thermoelectric couple thermometers and heating wires are arranged in each of the zones to measure temperature difference of each of the zones and heat the zones accordingly.
Abstract translation: 目的：提供通过补偿热损失的多级蒸馏塔的绝热方法，使蒸馏塔完全热绝缘，而与多级蒸馏塔中的蒸馏塔的外部温度和垂直位置无关。 构成：蒸馏塔的隔热方法的特征在于，通过将温度传感器安装在与绝热层外壁不同的绝热层内的两点处的温度传感器，通过供热源向蒸馏塔（1）供给热量 蒸馏塔，并且在比另一个温度传感器更外侧安装的温度传感器的外侧安装供热源，使得两个温度传感器的温度被同样保持，其中蒸馏塔被内部 绝热材料（2），金属板，绝缘膜，加热丝和外部绝热材料，热电耦合温度计的内部接头（8）设置在蒸馏塔的外壁和内部 绝热材料和热电耦合温度计的外接头（9）设置在内部t之间 绝热材料（2）和金属片，使用不同的金属作为连接两个温度传感器的第一热电偶线（10）和将温度传感器连接到温度指示控制器（12）的第二热电偶线（11） 从而直接测量它们之间的温差，并将蒸馏塔垂直分成两个或更多个区域，使得每个区域中布置热电偶温度计和加热丝的单独接头以测量每个区域和热量的温差 相应地区。
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公开(公告)号：KR100295283B1
公开(公告)日：2001-11-14
申请号：KR1019980057663
申请日：1998-12-23
Applicant: 한국과학기술연구원
IPC: C09K5/04
Abstract: 본 발명은 제 1 성분으로 디플루오로메탄(CH
2 F
2 , HFC-32), 제 2 성분으로 1,1,1,2-테트라플루오로에탄(CF
3 CH
2 F, HFC-134a)를 포함하고, 제 3 성분으로 1,1,1,2,3,3,3-헵타플루오로프로판(CH
3 CHFCF
3 , HFC-227ea), 이소부탄(C
4 H
10 R-600a) 및 1,1,1,2,3,3-헥사플루오로프로판(CHF
2 CHFCF
3 , HFC0236ea)으로 이루어진 군 중에서 선택된 어느 한 성분을 포함하는 HCFC-22 대체용 냉매 혼하물을 제공한다.-
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公开(公告)号：KR100275791B1
公开(公告)日：2000-12-15
申请号：KR1019980023696
申请日：1998-06-23
Applicant: 한국과학기술연구원
Abstract: EDTA·4Na를 결정화하는 공정에 있어서, 솔팅-아웃 용매로서 메탄올을 사용하는 경우에, 초기에 포화 용액을 만들기 위해 필요한 메탄올의 양을 일시에 투입하고, EDTA·4Na 씨결정을 투입하거나 교반 또는 추가 메탄을 투입에 의해 결정핵을 생성시킨 후에, 시간에 따른 메탄올의 투입 속도를 조절하여 생성되는 EDTA·4Na 결정의 석출 속도가 결정의 표면적에 비례하도록 함으로써, EDTA·4Na 결정의 크기 및 크기 분포를 조절하는 방법을 제공한다.
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公开(公告)号：KR100394085B1
公开(公告)日：2003-08-09
申请号：KR1020010030032
申请日：2001-05-30
Applicant: 한국과학기술연구원
IPC: B01J4/00
Abstract: PURPOSE: A feed method of chlorine gas for the oxidation of aqueous ferrous chloride solution (FeCl2) to aqueous ferric chloride solution (FeCl3) is provided, which is characterized in that injection rate of chlorine gas is changed according to FeCl2 concentration during oxidizing reaction. Therefore non-reacted chlorine gas is not discharged. CONSTITUTION: The feed rate of chlorine gas is controlled by the formula: Cmax/Wcirc ∝ Fconc, where Cmax is injection rate of chlorine gas (kg/hr), Wcirc is circulation quantity of FeCl2/FeCl3 solution and Fconc is concentration of FeCl2. Total concentration of FeCl2/FeCl3 is 0.1 to 50 wt.% and the concentration of FeCl2 is 0.1 wt.% or more. The oxidizing reaction is operated at 40 to 80 deg.C.
Abstract translation: 目的：提供一种将氯化亚铁水溶液（FeCl 2）氧化成氯化铁水溶液（FeCl 3）的氯气进料方法，其特征在于，氧化反应过程中氯气的注入速度根据FeCl 2浓度而变化。 因此未反应的氯气不被排出。 构成：氯气的进料速率由下式控制：Cmax / Wcirc＆amp; vprop; Fconc，其中Cmax是氯气的注入速率（kg / hr），Wcirc是FeCl 2 / FeCl 3溶液的循环量，Fconc是FeCl 2的浓度。 FeCl 2 / FeCl 3的总浓度为0.1〜50重量％，FeCl 2的浓度为0.1重量％以上。 氧化反应在40至80℃下进行。
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Patent Agency Ranking
公开(公告)号：KR1020020091395A
公开(公告)日：2002-12-06
申请号：KR1020010030032
申请日：2001-05-30
Applicant: 한국과학기술연구원
IPC: B01J4/00
Abstract: PURPOSE: A feed method of chlorine gas for the oxidation of aqueous ferrous chloride solution (FeCl2) to aqueous ferric chloride solution (FeCl3) is provided, which is characterized in that injection rate of chlorine gas is changed according to FeCl2 concentration during oxidizing reaction. Therefore non-reacted chlorine gas is not discharged. CONSTITUTION: The feed rate of chlorine gas is controlled by the formula: Cmax/Wcirc ∝ Fconc, where Cmax is injection rate of chlorine gas (kg/hr), Wcirc is circulation quantity of FeCl2/FeCl3 solution and Fconc is concentration of FeCl2. Total concentration of FeCl2/FeCl3 is 0.1 to 50 wt.% and the concentration of FeCl2 is 0.1 wt.% or more. The oxidizing reaction is operated at 40 to 80 deg.C.
Abstract translation: 目的：提供氯化亚铁水溶液（FeCl2）氧化成氯化铁水溶液（FeCl3）的氯气进料方法，其特征在于氧化反应中氯气的注入速率根据FeCl2浓度而变化。 因此，未反应的氯气不排出。 构成：氯气的进料速度由下式计算：Cmax / WcircαFconc，其中Cmax是氯气的注入速率（kg / hr），Wcirc是FeCl 2 / FeCl 3溶液的循环量，Fconc是FeCl 2的浓度。 FeCl 2 / FeCl 3的总浓度为0.1〜50重量％，FeCl 2的浓度为0.1重量％以上。 氧化反应在40〜80℃下进行。
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公开(公告)号：KR1020020006947A
公开(公告)日：2002-01-26
申请号：KR1020000040535
申请日：2000-07-14
Applicant: 한국과학기술연구원
IPC: C23F1/46
CPC classification number: C23F1/46
Abstract: PURPOSE: A method for efficiently injecting iron powder into the aqueous solution is provided which minimizes the amount of expensive iron powder used and maintains the proper reaction rate in removing nickel from a waste iron chloride aqueous solution containing nickel. CONSTITUTION: In removing nickel by injecting iron powder into a waste iron chloride aqueous solution containing nickel, the method for injecting the iron powder is characterized in that the iron powder having an amount determined by below mathematical equation is injected so that a nickel removal reaction rate is constantly maintained depending on the change of a nickel concentration. In the mathematical equation where W(Fe)/W(L) is an amount of iron powder injected per a unit volume of the waste iron chloride aqueous solution, R is a reaction ratio, C(Ni) is an initial concentration of nickel, t is a reaction time, and k' and b' are constants, wherein the iron powder having an amount which is calculated by the mathematical equation is injected at arbitrary time points or continuously.
Abstract translation: 目的：提供一种有效地将铁粉注入水溶液中的方法，其使得所使用的昂贵的铁粉的量最小化并保持从含镍的废铁水溶液中除去镍的适当反应速率。 构成：通过将铁粉注入到含有镍的废铁水溶液中除去镍中，注入铁粉的方法的特征在于，注入由下述数学式决定的量的铁粉，使镍去除反应率 根据镍浓度的变化不断地维持。 在其中W（Fe）/ W（L）是废铁水水溶液每单位体积注入的铁粉量的数学方程式中，R是反应比，C（Ni）是镍的初始浓度， t是反应时间，k'和b'是常数，其中通过数学方程计算的量的铁粉以任意时间点或连续地注入。
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公开(公告)号：KR1020010083481A
公开(公告)日：2001-09-01
申请号：KR1020000007028
申请日：2000-02-15
Applicant: 한국과학기술연구원
IPC: C23F1/46
CPC classification number: C23F1/46
Abstract: PURPOSE: A method is provided which reduces trivalent ferric chloride in an iron chloride aqueous solution to bivalent ferrous chloride hydrate in a method for efficiently recycling an etchant of a waste iron chloride aqueous solution used when etching iron, iron-nickel alloy, etc. CONSTITUTION: The continuous reduction apparatus of an iron chloride aqueous solution comprises a column reactor (1) into which a waste iron chloride aqueous solution is to be introduced and in which an iron material is filled; a stirring reactor (2) into which an iron chloride aqueous solution discharged from the column reactor (1) is to be introduced, and which comprises an LIC (level indicating controller) and an ORPAIC (oxidation reduction potential analysis indicating controller); and a circulation pump (3) for circulating the iron chloride aqueous solution of the stirring reactor (2) to the column reactor (1), wherein the LIC (level indicating controller) controls the flow rate of a waste iron chloride aqueous solution introduced to the column reactor by measuring the level of the iron chloride aqueous solution inside the stirring reactor, and the ORPAIC (oxidation reduction potential analysis indicating controller) controls the flow rate of an iron chloride aqueous solution discharged from the stirring reactor by measuring an oxidation reduction potential of the iron chloride aqueous solution inside the stirring reactor.
Abstract translation: 目的：提供一种在将铁，铁 - 镍合金等刻蚀时使用的废铁水溶液的蚀刻剂有效地回收的方法中，将氯化铁水溶液中的三价氯化铁还原成二价氯化亚铁水合物的方法。 ：氯化铁水溶液的连续还原装置包括塔式反应器（1），其中将引入废铁水溶液并填充铁材料; 将从塔式反应器（1）排出的氯化铁水溶液引入其中的搅拌反应器（2），其包括LIC（液位指示控制器）和ORPAIC（氧化还原电位分析指示控制器）; 以及用于将搅拌反应器（2）的氯化铁水溶液循环到塔式反应器（1）的循环泵（3），其中LIC（液位指示控制器）控制引入到 通过测量搅拌反应器内的氯化铁水溶液的水平，通过测量氧化还原电位，ORPAIC（氧化还原电位分析指示控制器）控制从搅拌反应器排出的氯化铁水溶液的流量 的搅拌反应器内的氯化铁水溶液。
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公开(公告)号：KR1020000041709A
公开(公告)日：2000-07-15
申请号：KR1019980057663
申请日：1998-12-23
Applicant: 한국과학기술연구원
IPC: C09K5/04
CPC classification number: C09K5/045 , C09K2205/122 , C09K2205/22 , C09K2205/43 , F25B9/006
Abstract: PURPOSE: A refrigerant mixture added one component of HFC-236ea, R-600a and HFC-236ea to a mixture of HFC-32 and HFC-134a additionally is provided which exhibits performance similar to HCFC-22. CONSTITUTION: A refrigerant mixture free from ozonosphere destruction danger, which can be used as a substitute for chlorodifluoromethane(CHCIF2) comprises difluoromethane(CH2F2, HFC-32) as a first component, 1,1,1,2-tetrafluoroethane(CF3CH2F, HFC-134a) as a second component and one component selected from the group of 1,1,1,2,3,3,3-heptafluoropropane(CH3CHFCF3, HFC-236ea), isobutane(C4H10, R-600a) and 1,1,1,2,3,3-hexafluoropropane(CHF2CHFCF3, HFC-236ea) a third component. The composition of HFC-32, HFC-134a and HFC-227ea is 35 to 70% by weight, 5 to 60% by weight and 5 to 30% by weight respectively.
Abstract translation: 目的：提供一种制冷剂混合物，将HFC-236ea，R-600a和HFC-236ea的一个组分另外添加到HFC-32和HFC-134a的混合物中，其性能类似于HCFC-22。 构成：可用作替代氯二氟甲烷（CHCIF2）的无臭氧层破坏危险的制冷剂混合物包括作为第一组分的二氟甲烷（CH 2 F 2，HFC-32），1,1,1,2-四氟乙烷（CF 3 CH 2 F，HFC -134a）作为第二组分和一种选自1,1,1,2,3,3,3-七氟丙烷（CH 3 CHFCF 3，HFC-236ea），异丁烷（C 4 H 10，R-600a）和1,1 ，1,2,3,3-六氟丙烷（CHF 2 CHFCF 3，HFC-236ea）第三组分。 HFC-32，HFC-134a和HFC-227ea的组成分别为35〜70重量％，5〜60重量％和5〜30重量％。
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公开(公告)号：KR100239678B1
公开(公告)日：2000-01-15
申请号：KR1019970018548
申请日：1997-05-13
Applicant: 한국과학기술연구원
IPC: C07C269/04
CPC classification number: C07C269/04 , C07C271/24 , C07C271/28 , C07C271/36
Abstract: Cu[NCMe
4 ]X, K[CuX
2 ], [(CuX)(S)]
n (X=Cl, Br, I ; S =용매)의 구조식 (X=Cl, Br, I)을 갖는 1가의 할로겐화 구리화합물, 또는 구조식[Cu(CO)X
a L
b ]
m Y
n (X=CF
3 CO
2 , Cl, HB(pz)
3 (pz = pyrazoyl, C
3 H
3 N
2 ), LBF
2 {LBF
2 = difluoro-3,3'-(trimethylenedinitrilo)bis(2-butanone oximato)borate}; L = en, diene; Y=BPh
4 , AsF
6 ; a,b =0, 1 ; m =1-4; n=0,1)의 카르보닐기 (Cu-CO)를 갖는 1가의 구리 화합물 중에서 선택된 1종 이상의 촉매 존재 하에서 아민을 알코올 및 CO/O
2 혼합가스와 반응시키는 것으로 되는 카바메이트류의 제조방법이 제공된다.
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