-
公开(公告)号：KR1019970007021B1
公开(公告)日：1997-05-02
申请号：KR1019930014239
申请日：1993-07-26
Applicant: 한국화학연구원
IPC: C07C309/28 , C07C309/29 , C07C309/30
Abstract: The preparation relates to a chemical reaction (I), R+H2SO4 RSO3H+H2O (wherein R is benzene, toluene, ethylbenzene, xylene, crezole, xylenol, chlorophenol, methoxybenzene, dihydroxy benzene, naphthalene, methyl naphthalene, chloronaphthol, naphthol, anthracene, aniline, naphthylamine, aminophenol, toluidine, nitrobenzene, diethylbenzene, dibuthylamine, quinoline, triarylamine, methylnathphalene, docecane and dihexylamine. The preparing method includes reacting an aromatic carbohydrate compound with sulfuric acid to sulfonylate the aromatic carbohydrate compound and produce aromatic sulfonic acid. Specifically, the method includes continuously supplying sulfuric acid through a plurality of feeding inlets, sulfonylating the excessive aromatic carbohydrate compound with insufficient sulforic acid to lower the concentration of the product, aromatic sulfonic acid, condensing the gas emitted from a tower of the reactor to remove water from the phase separator, refluxing the gas to the reaction tower, and purifying the aromatic sulfonic acid in a purification area provided under the reaction tower.
Abstract translation: 该制备涉及化学反应（I），R + H 2 SO 4→RSO 3 H + H 2 O（其中R为苯，甲苯，乙苯，二甲苯，克z唑，二甲苯酚，氯酚，甲氧基苯，二羟基苯，萘，甲基萘，氯萘酚 萘酚，蒽，苯胺，萘胺，氨基苯酚，甲苯胺，硝基苯，二乙苯，二丁胺，喹啉，三芳胺，甲基萘，二十烷和二己胺，其制备方法包括使芳族碳水化合物与硫酸反应，使芳族碳水化合物化合物磺酰化， 具体地说，该方法包括：通过多个进料口连续供给硫酸，用过量的磺酸磺酰化过量的芳族碳水化合物，以降低产物的浓度，芳香族磺酸，冷凝从塔 反应器从相分离器中除去水分，将气体回流至 反应塔，并在反应塔下提供的净化区域中纯化芳族磺酸。
-
公开(公告)号：KR1019960012711B1
公开(公告)日：1996-09-24
申请号：KR1019940004466
申请日：1994-03-08
Applicant: 한국화학연구원
IPC: C01B33/32
Abstract: The layered sodium silicate is prepared by making anhydrous sodium silicate powder(X) with below 100 um avg. particle size that mole ratio of SiO2 to Na2O is 1.8-3.5, and making amorphous sodium silicate by heating and dehydrating sodium silicate solution that mole ratio of SiO2 to Na2O and H2O to Na2O controlled into 1.2-2.5 and 5.0-15.0 by adding sodium hydroxide to water glass at 150-400 deg.C for 0.002-10.0 hrs, and mixing 90-10 wt.% X and 10-90 wt.% Y and aging mixed powder for 0.1-5.0 hrs at 550-800 deg.C.
Abstract translation: 层状硅酸钠通过制备低于100平方米的无水硅酸钠粉末（X）制备。 SiO 2与Na 2 O的摩尔比为1.8-3.5的粒径，通过加热和脱水硅酸钠溶液制备无定形硅酸钠，通过加入氢氧化钠将SiO 2与Na 2 O和H 2 O的摩尔比与Na 2 O控制在1.2-2.5和5.0-15.0 在150-400℃的水玻璃中进行0.002-10.0小时，并在550-800℃下混合90-10重量％的X和10-90重量％的Y和时效的混合粉末0.1-5.0小时。
-
公开(公告)号：KR1020200142791A
公开(公告)日：2020-12-23
申请号：KR1020190070112
申请日：2019-06-13
Applicant: 한국화학연구원
IPC: C08G65/26 , C08G65/00 , C08G65/323
Abstract: 과산화퍼플루오로폴리에테르를투입하는투입부; 상기투입부와연결되는가열부로, 투입부에서투입되는투입물을열분해하며, 소정의기울기를갖는가열로를포함하는가열부; 및상기가열부와연결되어퍼플루오로폴리에테르를회수하기위한회수부;를포함하는퍼플루오로폴리에테르제조장치가개시된다. 본발명은연속적으로일정량의 PO-PFPE를열처리공정에투입하여, 기존열처리공정에비하여폭발위험성이낮으며짧은시간에열처리가가능하고안정적인공정과높은수율을얻을수 있는효과가있다.
-
公开(公告)号：KR101718421B1
公开(公告)日：2017-03-24
申请号：KR1020160052740
申请日：2016-04-29
Abstract: 본발명은기체및 이온성액체를이용한냉난방장치에관한것으로기체및 이온성액체가유입되고, 상기기체가상기이온성액체에흡수되어이온성액체혼합물을생성하는흡수기, 상기흡수기에서배출된이온성액체혼합물이유동하고, 이온성액체혼합물의압력을하강시키는팽창밸브, 상기팽창밸브에서배출된이온성액체혼합물이유동하면서제1열매체와열교환하고, 상기이온성액체혼합물내부의기체는상기제1열매체로부터공급받은열에의하여증발하여, 상기이온성액체혼합물은기체와이온성액체로분리되는탈착기, 상기탈착기에서배출되는상기기체및 상기이온성액체중 적어도하나이상을가압하는압축기및 상기흡수기로유입되는상기기체및 상기이온성액체를혼합하는라인믹서를포함한다.
-
95.发明授权티타늄 산화물 및 카드뮴 화합물이 함침된 가시광활성 다공성 복합체, 이의 제조방법, 및 이를 포함하는 가시광활성 광촉매 有权由此可见的含有氧化钛和镉化合物的活性多孔材料及其制造方法和可见光活性光催化剂
公开(公告)号：KR101576635B1
公开(公告)日：2015-12-10
申请号：KR1020130109013
申请日：2013-09-11
Applicant: 한국화학연구원
Abstract: 본발명은탄소계담체에티타늄산화물, 및카드뮴화합물이함침된다공성복합체를제공한다. 본발명에따른다공성복합체는태양광의대부분을차지하는 420 nm 이상의가시광영역에서활성을가진다. 또한, 420 nm 이상에서활성을가지고있기때문에태양광의 50 % 이상을차지하는태양광의활용을극대화할수 있으며, 입자크기가약 수백마이크로미터크기를나타냄에따라사용후 분리및 회수가용이하다. 나아가, 다공성복합체하나의입자가견딜수 있는강도는무게단위로 5 내지 15 kg/unit을나타내어유동상에서입자간충돌로인한손실을방지할수 있어, 상용공정에적용하기용이하다. 더욱나아가, 본발명에따른다공성복합체는 420 nm 이상의가시광영역에서광촉매활성을나타내므로수처리, 대기정화산업등 다양한분야에적용이가능하여광촉매를사용하는다양한상업공정에적용할수 있다.
-
Patent Agency Ranking
公开(公告)号：KR101571532B1
公开(公告)日：2015-11-24
申请号：KR1020140103836
申请日：2014-08-11
Applicant: 한국화학연구원
Abstract: 본발명은불소계수지의일종인비닐리덴플루오라이드중합체(Polyvinylidene fluoride, PVDF)를제조하기위한기본단량체인비닐리덴플루오라이드(VDF, Vinylidene Fluoride)를제조하기위한제조방법및 저탄화제조장치에관한것으로, 본발명에따른비닐리덴플루오라이드(VDF, Vinylidene Fluoride)를제조하기위한장치및 제조방법은 100%에근접하는전환율을가질뿐만아니라, 사이클론오리피스(cyclone orifice) 형혼합기를열분해반응기에도입하여탄화정도를감소시킴으로써내구성이향상되었으므로고순도의 VDF를장시간운전하며용이하게제조할수 있는효과가있다.
Abstract translation: 本发明涉及低碳化制备系统和制备偏二氟乙烯（VDF）的方法，其是制备聚偏二氟乙烯聚合物（PVDF）的基本单体。 PVDF是一种氟系树脂。 根据本发明，用于制备VDF的方法和设备具有接近100％的转化率，并且将旋风喷孔混合器应用于热分解反应器以降低碳化程度，从而提高耐久性。 因此，本发明可以容易地制备高纯度VDF并进行长时间的VDF制备操作。
-
公开(公告)号：KR101403483B1
公开(公告)日：2014-06-11
申请号：KR1020120136137
申请日：2012-11-28
Applicant: 한국화학연구원
CPC classification number: Y02C10/08
Abstract: 본 발명은 산성가스 포집용 건식 흡착제 및 이의 제조방법에 관한 것이다. 본 발명에 따른 건식 흡착제는 산성가스를 효과적으로 포집할 수 있는 관능기인 아민을 다량 함유하는 단량체를 중합하여 높은 아민 밀도의 건식흡착제를 용이하게 제조할 수 있고, 고분자 골격 내의 아민기의 분포, 위치, 수 등을 제어할 수 있을 뿐만 아니라, 이산화탄소 흡착이 용이한 다량의 아민의 존재로 인해 높은 이산화탄소 흡착량을 나타낸다. 또한 아민기를 포함하는 단량체들이 지지체 표면 위에 공유결합 형태로 결합되어 있어 화학적 안정성이 뛰어나 이산화탄소의 흡·탈착이 반복되어도 초기의 흡착량을 유지할 수 있으므로, 산성가스 포집용 건식 흡착제로 유용할 수 있다.
-
公开(公告)号：KR1020140035665A
公开(公告)日：2014-03-24
申请号：KR1020120102197
申请日：2012-09-14
Applicant: 한국화학연구원
CPC classification number: B01D63/02 , B01D61/147 , B01D69/08 , B01D71/06 , B01D2257/2066 , C01B7/19 , Y02C20/30
Abstract: A purpose of the present invention is to provide a device for enriching and recovering the fluorinated gas using a separating membrane, and a method to enrich and recover fluorinated gas using the device. The device for enriching the fluorinated gas comprises a gas supplying unit which supplies mixed gas including fluorinated gas; an enriching unit which has one or more separating membrane modules separating the fluorinated gas from the mixed gas by having an inlet through which mixed gas is injected from the supplying unit, the separating membrane separating the fluorinated gas, a penetration hole through which non-fluorinated gas separated from the fluorinated gas by the separating membrane is discharged, and an outlet through which the fluorinated gas is discharged; a decompression pump providing driving power which penetrates the non-fluorinated gas from the separating membrane module, but the pump is connected with the penetration hole of the separating membrane module; and a discharging flux control unit connected with the outlet of the separating membrane module and controlling the flux of the fluorinated gas discharged from the separating membrane module. The device for recovering the fluorinated gas comprises a separating membrane module in the same structure as that of the device for enriching the fluorinated gas. According to the present invention, the fluorinated gas can be enriched and recovered efficiently by recovering lost fluorinated gas through the recovering device. [Reference numerals] (200) Enriching section; (400) Recovering section; (AA) Mass flow controller; (BB) Vacuum pump
Abstract translation: 本发明的目的是提供一种使用分离膜富集和回收氟化气体的装置，以及使用该装置富集和回收氟化气体的方法。 用于富集氟化气体的装置包括供给包括氟化气体的混合气体的气体供给单元; 富集单元，其具有一个或多个分离膜组件，该分离膜组件通过具有从供给单元注入混合气体的入口，分离氟化气体的分离膜，将非氟化的 通过分离膜从氟化气体分离的气体被排出，并且排出氟化气体的出口; 提供驱动力的减压泵，其从分离膜组件穿透非氟化气体，但是泵与分离膜组件的穿透孔连接; 以及放电通量控制单元，与分离膜组件的出口连接并控制从分离膜组件排出的氟化气体的通量。 用于回收氟化气体的装置包括与用于富集氟化气体的装置相同结构的分离膜组件。 根据本发明，可以通过回收装置回收失去的氟化气体来有效地富集和回收氟化气体。 （附图标记）（200）富集部; （400）收回科; （AA）质量流量控制器; （BB）真空泵
-
公开(公告)号：KR1020140015027A
公开(公告)日：2014-02-06
申请号：KR1020120082669
申请日：2012-07-27
Applicant: 한국화학연구원
IPC: C07D233/66 , C07D233/78
Abstract: The present invention relates to a purification method of ionic liquid removing high boiling point organic compounds in the ionic liquid. The purification method of the ionic liquid removing the high boiling point organic compounds in the ionic liquid of the present invention: has an excellent purification effect compare to an existing purification method using a regular organic solvent for producing high purity ionic liquid; has a simple purification process for improving an economic effect; and has an excellent environmental effect of reducing the generation amount of a waste solvent by using the small amount of solvents compare to the existing purification method using the large amount of organic solvents for producing the high purity ionic liquid. The purification method of the ionic liquid can be applied to various fields including an organic synthesis, an electrochemical biotechnology, chemical technology, and separation processes.
Abstract translation: 本发明涉及离子液体除去高沸点有机化合物在离子液体中的纯化方法。 本发明离子液体中除去高沸点有机化合物的离子液体的纯化方法与使用常规有机溶剂生产高纯度离子液体的现有纯化方法相比，具有优异的纯化效果; 有一个简单的净化过程来提高经济效果; 并且与使用大量用于制备高纯度离子液体的有机溶剂的现有纯化方法相比，通过使用少量溶剂来降低废溶剂的产生量具有优异的环境效果。 离子液体的纯化方法可应用于各种领域，包括有机合成，电化学生物技术，化学技术和分离工艺。
-
100.发明公开다공성 알루미늄계 중공사막의 제조방법 및 이에 따라 제조되는 선택 투과성과 기계적 강도가 향상된 직선형의 다공성 알루미늄계 중공사막 有权基于铝的多孔中空纤维膜的制备方法以及直径为多孔铝基的中空纤维膜改进了选择性渗透性和机械强度
公开(公告)号：KR1020130140396A
公开(公告)日：2013-12-24
申请号：KR1020120063753
申请日：2012-06-14
Applicant: 한국화학연구원
CPC classification number: B01D69/08 , B01D71/025 , B01D2325/20 , B01D2325/24 , D01D5/24 , D01F1/08
Abstract: The present invention relates to a manufacturing method of a porous aluminum-based hollow fiber membrane, and a linear porous aluminum-based hollow fiber membrane which has improved selective permeability and mechanical strength manufactured by the same and, more particularly, to a manufacturing method of a porous aluminum-based hollow fiber membrane which comprises: a step of manufacturing an aluminum precursor liquid by dissolving an aluminum precursor in the solvent (step 1); a step of manufacturing a spinning solution by adding a polymer resin in the aluminum precursor liquid of the step 1 (step 2); a step of manufacturing a hollow fiber membrane by dipping the spinning solution of the step 2 to coagulant after extruding through a nozzle (step 3); a step of heat treating the manufactured hollow fiber membrane of the step 3 (step 4); a step of sintering the heat treated hollow fiber membrane of the step 4 in a heating furnace by rotating (step 5); and a linear porous aluminum-based hollow fiber membrane manufactured by the same. The manufacturing method of a porous aluminum-based hollow fiber membrane is capable of mass-producing the hollow fiber membrane in which the unit price for producing is cheap by having a simple process; improving the heat-resisting property, the durability, the chemical-proof property, the mechanical strength, and high selective permeability by sintering with rotating inside a tube furnace; manufacturing linear porous aluminum-based hollow fiber membrane which has large valid membrane area per unit volume which is favorable to membrane modularization thereby efficiently using in a water treatment area which needs severe operation condition.
Abstract translation: 本发明涉及一种多孔铝基中空纤维膜的制造方法以及具有提高的选择渗透性和机械强度的线状多孔铝基中空纤维膜，更具体地说，涉及一种制造方法 一种多孔铝基中空纤维膜，包括：通过将铝前体溶解在溶剂中来制造铝前体液体的步骤（步骤1）; 通过在步骤1（步骤2）的铝前体液中添加聚合物树脂制造纺丝溶液的步骤; 通过在通过喷嘴挤出之后将步骤2的纺丝溶液浸入凝结剂中制造中空纤维膜的步骤（步骤3）; 对步骤3中制造的中空纤维膜进行热处理的步骤（步骤4）; 在加热炉中通过旋转烧结步骤4的热处理中空纤维膜的步骤（步骤5）; 以及由其制造的线状多孔铝基中空纤维膜。 多孔铝基中空纤维膜的制造方法能够通过简单的工序大量生产生产单价便宜的中空纤维膜; 通过在炉管内旋转烧结来提高耐热性，耐久性，耐化学性，机械强度和高选择性渗透性; 制造线性多孔铝基中空纤维膜，其每单位体积的有效膜面积大，有利于膜模块化，从而在需要严格的操作条件的水处理区域中有效地使用。
-
-
-
-
-
-
-
-
-
Search Results
196
records
(took 0.03 seconds)
