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公开(公告)号：KR1020140040539A
公开(公告)日：2014-04-03
申请号：KR1020120107376
申请日：2012-09-26
Applicant: 한국화학연구원
Abstract: The present invention relates to a preparation method for dimethyl carbonate, which directly uses, without passing through any separation process, a mixture gas of carbon dioxide (CO) and hydrogen (H_2) obtained by a reforming reaction of carbon dioxide (CO_2) and methane (CH_4), both of which are greenhouse gases, for synthesizing methanol; produces dimethyl carbonate with an excess amount of carbon monoxide that is stoichiometrically used for the methanol synthesis during the methanol synthesis process; and separates the remaining carbon monoxide from such juncture so as to provide as a starting material for other applications. [Reference numerals] (AA) Process of supplying carbon dioxide and methane; (BB) Reforming reaction process; (CC) Generating carbon monoxide (CO); (DD) Generating hydrogen (Hz); (EE) Supplying oxygen; (FF) Methanol synthesis process; (GG) Generating an excess amount of carbon monoxide; (HH) Process of separating the carbon monoxide (recovery); (II) Generating dimethyl carbonate (DMC)
Abstract translation: 本发明涉及一种碳酸二甲酯的制备方法，其不经过任何分离工艺直接使用通过二氧化碳（CO 2）和甲烷的重整反应得到的二氧化碳（CO）和氢（H 2）的混合气体 （CH_4），两者均为温室气体，用于合成甲醇; 在甲醇合成过程中产生化学计量地用于甲醇合成的过量一氧化碳的碳酸二甲酯; 并将剩余的一氧化碳从这种接合处分离，以提供其它应用的起始材料。 （附图标记）（AA）供应二氧化碳和甲烷的方法; （BB）重整反应过程; （CC）产生一氧化碳（CO）; （DD）产生氢气（Hz）; （EE）供氧; （FF）甲醇合成方法; （GG）产生过量的一氧化碳; （HH）分离一氧化碳（回收）的过程; （二）生成碳酸二甲酯（DMC）
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公开(公告)号：KR101348235B1
公开(公告)日：2014-01-08
申请号：KR1020120107195
申请日：2012-09-26
Applicant: 한국화학연구원
CPC classification number: G01N13/04 , G01N15/08 , G01N2015/086
Abstract: The purpose of the present invention is to provide a device for measuring osmosis pressure and a method for measuring osmosis pressure using the same. Provided in the present invention are the device for measuring osmosis pressure and the method for measuring osmosis pressure using the same, which comprise: a pressure-retarded osmosis cell including a draw solution unit which includes an inlet for receiving a draw solution and an outlet for discharging the draw solution, an influent water unit which includes an inlet for receiving an influent water and an outlet for discharging the influent water, and a pressure-retarded osmosis film which is included on the boundary between the draw solution unit and the influent water unit; a draw solution supply unit which is connected with the inlet of the draw solution unit; an air compression ratio measuring pipe which is connected with the outlet of the draw solution unit; a pressure sensor which is connected with the air compression ratio measuring pipe in order to measure the pressure generated by pressure-retarded osmosis; and an influent water which is connected with the inlet of the influent water unit in order to supply the influent water. According to the present invention, the air compression ratio measuring pipe is installed in a semi-continuous process which can generate osmosis pressure using a small amount of the draw solution, in order to measure osmosis pressure generated by the compression ratio of a compressed air layer due to pressure-retarded osmosis. Furthermore, the device prepared by the present invention can be used by applying to performance evaluation of the pressure-retarded osmosis film and replacement cycle measurement of the pressure-retarded osmosis film.
Abstract translation: 本发明的目的是提供一种测量渗透压的装置和使用该装置测量渗透压的方法。 在本发明中提供了用于测量渗透压的装置和使用该渗透压测量的渗透压的方法，该方法包括：包含拉伸溶液单元的压阻渗透单元，其包括用于接收拉伸溶液的入口和用于 排出抽取溶液的流入水单元，包括用于接收流入水的入口和用于排出流入水的出口的流入水单元，以及包含在抽滤单元和进水单元之间的边界上的阻尼渗透膜 ; 与溶液单元的入口连接的抽取溶液供给单元; 与抽出液单元的出口连接的空气压缩比测量管; 压力传感器，其与空气压缩比测量管连接，以便测量由压阻渗透产生的压力; 以及与流入水单元的入口连接以便供应流入水的流入水。 根据本发明，空气压缩比测量管安装在半连续过程中，其可以使用少量的拉伸溶液产生渗透压，以便测量由压缩空气层的压缩比产生的渗透压 由于压阻渗透。 此外，通过施加压阻渗透膜的性能评价和耐压渗透膜的置换循环测定，可以使用本发明制备的装置。
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公开(公告)号：KR101295371B1
公开(公告)日：2013-08-12
申请号：KR1020120002928
申请日：2012-01-10
Applicant: 한국화학연구원
Abstract: 본 발명은 부틸메틸셀룰로오스의 신규한 제조방법을 제공하는 것이다. 본 발명에 의한 제조방법은 부틸메틸셀룰로오스의 제조 시, 메틸셀룰로오스를 이용하여 제조함으로써, 생산 시간을 줄이고, 생산단가를 낮출 뿐만 아니라, 부산물에 의한 환경오염을 방지하는 등의 부틸메틸셀룰로오스의 제조공정이 개선되어 수처리용 분리막, 수처리용 필름 등에 유용하게 사용될 수 있다.
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公开(公告)号：KR101577433B1
公开(公告)日：2015-12-14
申请号：KR1020140023088
申请日：2014-02-27
Applicant: 한국화학연구원
Abstract: 본발명은 MCDI 셀을이용한수용액내에존재하는이온성액체의회수방법에관한것으로, 이온성액체가미량으로포함된처리수에서높은회수율로회수가가능할뿐만아니라, 회수된이온성액체에부산물과같은염이생성되지않고, 산/염기등의다른처리없이 MCDI 셀의전극을재생할수 있으므로, 이온성액체회수비용이절감되고, 친환경적인효과가있다.
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Patent Agency Ranking
公开(公告)号：KR1020150101603A
公开(公告)日：2015-09-04
申请号：KR1020140023088
申请日：2014-02-27
Applicant: 한국화학연구원
Abstract: 본 발명은 MCDI 셀을 이용한 수용액 내에 존재하는 이온성 액체의 회수 방법에 관한 것으로, 이온성 액체가 미량으로 포함된 처리수에서 높은 회수율로 회수가 가능할 뿐만 아니라, 회수된 이온성 액체에 부산물과 같은 염이 생성되지 않고, 산/염기 등의 다른 처리 없이 MCDI 셀의 전극을 재생할 수 있으므로, 이온성 액체 회수비용이 절감되고, 친환경적인 효과가 있다.
Abstract translation: 本发明涉及通过使用膜电容去离子电池（MCDI电池）在水溶液中存在的离子液体的收集方法。 本发明具有环保效果，并且确保在收集离子溶液时节省费用，因为可以从含有少量离子液体的处理水中以高回收率收集离子液体，同时不产生盐 作为收集的离子液体中的副产物，并且在没有其它处理如酸或碱的情况下再生MCDI细胞的电极。
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公开(公告)号：KR1020150004609A
公开(公告)日：2015-01-13
申请号：KR1020130077797
申请日：2013-07-03
Applicant: 한국화학연구원
IPC: C07C17/383 , C07C17/25 , C07C21/185
CPC classification number: C07C17/383 , C07C17/25 , C07C21/185
Abstract: 본 발명의 목적은 이온성 액체를 이용한 테트라플루오로에틸렌의 제조시스템 및 제조방법을 제공하는 데 있다. 이를 위하여, 본 발명은 하이드로클로로플루오로카본(HCFC)을 열분해 하기 위한 열분해실; 상기 열분해실과 연결되는 전처리부; 상기 전처리부와 연결되고, 하이드로클로로플루오로카본을 분리하기 위한 이온성 액체를 이용하는 흡수탑; 상기 분리막 모듈의 농축부와 연결되고, 탑의 상부로 저비점물질을 분리하기 위한 저비증류탑; 상기 저비증류탑의 하부와 연결되고, 탑의 상부로 테트라플루오로에틸렌을 분리하기 위한 테트라플루오로에틸렌 증류탑; 및 상기 테트라플루오로에틸렌 증류탑의 하부와 연결되고, 고비점 물질을 탑의 상부로 분리하기 위한 1차 고비점 증류탑; 을 포함하는 분리막을 이용한 테트라플루오로에틸렌의 제조시스템을 제공한다. 본 발명에 따르면 테트라플루오로에틸렌을 제조하기 위한 공정에 있어서, 열분해 및 전처리를 수행한 후 미반응 하이드로클로로플루오로카본을 분리막 모듈을 통해 일차적으로 분리해냄으로써 미반응 하이드로클로로플루오로카본을 분리 및 재순환하면 공정상 분리효율이 향상된다. 또한, 종래의 분리공정에서 공비탑, MeOH 흡수탑, MeOH stripper, MeOH catching탑, HFP 정제탑 등이 생략될 수 있어 공정규모가 50 %이하로 축소되므로 공정상 경제성이 향상될 수 있다.
Abstract translation: 本发明提供一种使用离子液体制造四氟乙烯的系统和方法。 本发明提供了一种使用分离膜的四氟乙烯制造系统，该分离膜包括：热解反应器，其将氢氯氟烃（HCFC）热解; 连接到热解反应器的预处理部分; 吸附塔，其连接到预处理塔并使用离子液体分离氢氯氟烃; 低沸点蒸馏塔，其将低沸点物质与塔的上部分离，并与分离膜组件的浓缩部分连接; 四氟乙烯蒸馏塔，其将四氟乙烯分离到塔的上部并连接到低沸点蒸馏塔的下部; 以及分离高沸点材料并与四氟乙烯蒸馏塔的下部连接的初级高沸点蒸馏塔。 本发明通过在制备四氟乙烯的方法中进行热解和预处理之后，通过分离未分解的含氢氟氯烃通过分离膜组件分离和循环未反应的氢氯氟烃来提高分离效率。 另外，本发明能够通过排除共沸塔，MeOH吸收塔，MeOH汽提塔，MeOH捕集塔，HFP净化塔等将工艺规模降低到50％以下，从而提高了经济可行性。
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公开(公告)号：KR101448017B1
公开(公告)日：2014-10-08
申请号：KR1020130072639
申请日：2013-06-24
Applicant: 한국화학연구원
CPC classification number: Y02A20/131 , B01D61/002 , B01D65/08 , B01D67/0002 , B01D69/10 , B01D69/12 , B01D71/06 , C02F1/445
Abstract: The present invention relates to a forward osmosis membrane and a method of manufacturing thereof, and more particularly, to a forward osmosis membrane in which a single support layer, which is a structure layer of the forward osmosis membrane, is treated with hydrophilic polymer to improve internal concentration polarization (ICP) of the forward osmosis membrane; and to a method of manufacturing thereof. The forward osmosis membrane according to the present invention has superior mechanical strength and the single support layer is coated with hydrophilic polymer to provide a hydrophilic layer, thereby improving the ICP generated in a complex film, which is well-known as the conventional forward osmosis membrane, and having excellent water permeability. Therefore, the forward osmosis membrane may be used effectively in a water treatment process for treating seawater, salt water, sewage, and waste water, particularly, in a desalination process.
Abstract translation: 正向渗透膜及其制造方法技术领域本发明涉及正向渗透膜及其制造方法，更具体地说，涉及一种正向渗透膜，其中作为正向渗透膜的结构层的单一支撑层用亲水性聚合物处理以改善 正向渗透膜的内部浓度极化（ICP） 以及其制造方法。 根据本发明的正向渗透膜具有优异的机械强度，并且单个支撑层涂覆有亲水性聚合物以提供亲水层，从而改进了复合膜中产生的ICP，这是众所周知的常规正向渗透膜 ，具有优异的透水性。 因此，正向渗透膜可以有效地用于处理海水，盐水，污水和废水的水处理过程中，特别是在脱盐过程中。
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公开(公告)号：KR101421187B1
公开(公告)日：2014-07-22
申请号：KR1020120107376
申请日：2012-09-26
Applicant: 한국화학연구원
Abstract: 본 발명은 온실가스인 이산화탄소(CO
2 )와 메탄(CH
4 ) 가스의 개질반응을 통해 수득된 일산화탄소(CO)와 수소(H
2 )의 혼합가스를 어떠한 분리공정을 거치지 않고, 메탄올 합성에 직접 이용하고, 메탄올 합성 과정 중 화학양론적으로 메탄올 합성에 사용된 일산화탄소의 초과량은 디메틸카보네이트를 제조하고, 이 때 잔존하고 있는 일산화탄소를 분리하여 다른 용도의 출발물질로 제공할 수 있는 디메틸카보네이트의 제조방법에 관한 것이다.-
公开(公告)号：KR1020130081871A
公开(公告)日：2013-07-18
申请号：KR1020120002943
申请日：2012-01-10
Applicant: 한국화학연구원
Abstract: PURPOSE: A novel manufacturing method of phenylmethyl cellulose is provided to be wisely used for the separation membrane of water treatment and the film for water treatment by using methyl cellulose to reduce the manufacturing time and the manufacturing cost, prevent environmental contamination due to by-product, and improve the manufacturing process. CONSTITUTION: A manufacturing method of phenylmethyl cellulose adds methyl cellulose of chemical formula 2, butyric acid and organic solvent of chemical formula 3 to the chemical formula 1 for obtaining the mixture by stirring it. (Step 1) The intended compound is dried to be obtained after the compound manufactured in the step 1 is primary washed with organic solvent and secondary washed with water. (Step 2) [Equation 1] (R is H or CH3 when the R is not H or CH3 at the same time in the chemical formula 2. R is H, CH_3 or C_6H_5CO in the chemical formula 1. The manufacturing method of phenylmethyl cellulose has the reaction ratio of methyl cellulose: butyric acid of step 1 to be 1: 1-2. Organic solvent of the step 1 is more than one selected from the group of pyridine, quinoline, furan, pyran and thiophene. The step 1 is performed at 100-130 °C.
Abstract translation: 目的：提供一种苯甲基纤维素的新型制造方法，用于水处理分离膜和水处理膜，通过使用甲基纤维素来减少制造时间和制造成本，防止副产物引起的环境污染 ，并完善制造工艺。 构成：苯甲基纤维素的制造方法将化学式2的甲基纤维素，化学式3的丁酸和有机溶剂加入到化学式1中，通过搅拌获得混合物。 （步骤1）将目的化合物干燥，得到步骤1中制造的化合物用有机溶剂进行一次洗涤，二次用水洗涤。 （步骤2）[方程1]（化学式2中R不同时为H或CH3时，R为H或CH3。化学式1中R为H，CH 3或C 6 H 5 CO。苯甲基 纤维素的步骤1中甲基纤维素：丁酸的反应比为1:1-2，步骤1的有机溶剂是选自吡啶，喹啉，呋喃，吡喃和噻吩中的一种以上，步骤1 在100-130℃下进行。
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