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公开(公告)号：KR100490673B1
公开(公告)日：2005-05-19
申请号：KR1020020073185
申请日：2002-11-22
Applicant: 한국화학연구원
IPC: C01B31/02
Abstract: 본 발명은 메조페이스 탄소질 소구체의 제조방법에 관한 것으로서, 더욱 상세하게는 소구체의 제조수율을 극대화하도록 퀴놀린 불용분(QI)의 함량이 조절된 원료피치를 사용하여 열처리 반응하고, 반응이 완료되면 냉각과정 없이 고온의 반응물을 퀴놀린으로 직접 추출하여 균일한 입도분포와 표면부착물이 적은 메조페이스 탄소질 소구체를 고 수율로 제조하는 방법에 관한 것이다.
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公开(公告)号：KR1020040084302A
公开(公告)日：2004-10-06
申请号：KR1020030019276
申请日：2003-03-27
Applicant: 한국화학연구원
IPC: C01B39/14
CPC classification number: C01B39/026 , C01B39/14
Abstract: PURPOSE: 3A type granular zeolite is provided to obtain superior selective moisture adsorption capacity by controlling pore size of granular composition by a pretreatment omitted simple method, improving mechanical properties and excluding side reaction, and a preparation method of the 3A type granular zeolite is provided. CONSTITUTION: The preparation method comprises first process of granulating the blended material after blending zeolite with sodium silicate aqueous solution; second process of classifying the granulated material having diameter of 1 to 6 mm from the granulated material; and third process of separating and dehydrating granular compact prepared after dipping the granulated material classified in the classification process into potassium salt aqueous solution, wherein the preparation method comprises a process of recirculating granulated material except the granulated material having diameter of 1 to 6 mm classified in the second process to the first process, wherein zeolite of the first process is a mixture of 40 to 90 wt.% of zeolite powder newly added and 10 to 60 wt.% of zeolite granulated material recirculated after passing through the second process, wherein the sodium silicate aqueous solution has a concentration of 15 to 38%, wherein the first process is performed by granulating the blended material after blending 75 to 92 wt.% of zeolite with 8 to 25 wt.% of sodium silicate aqueous solution, wherein the potassium salt aqueous solution is potassium chloride aqueous solution, wherein dipping of the third process is performed in the temperature range of 20 to 40 deg.C. The 3A type granular zeolite is characterized in that it is prepared by a preparation method comprising first process of granulating the blended material after blending zeolite with sodium silicate aqueous solution; second process of classifying the granulated material having diameter of 1 to 6 mm from the granulated material; and third process of separating and dehydrating granular compact prepared after dipping the granulated material classified in the classification process into potassium salt aqueous solution, wherein the granular compact comprises 75 to 92 wt.% of zeolite and 8 to 25 wt.% of potassium silicate based on the solid content.
Abstract translation: 目的：提供3A型颗粒沸石，通过预处理省略简单的方法控制颗粒组合物的孔径，改善机械性能，排除副反应，获得优异的选择性吸湿能力，并提供了3A型颗粒沸石的制备方法。 构成：该制备方法包括将沸石与硅酸钠水溶液共混后的混合材料造粒的第一工序; 从造粒材料分选直径为1〜6mm的造粒材料的第二工序; 将分级处理后的造粒材料浸渍在钾盐水溶液中后，分离脱水后的颗粒状压块的第三工序，其中，制备方法包括将直径为1〜6mm的造粒材料再循环的工序， 第一种方法的第二种方法，其中第一种方法的沸石是新加入的沸石粉末的40-90％（重量）和通过第二种方法后再循环的10-60％（重量）的沸石颗粒材料的混合物，其中 硅酸钠水溶液的浓度为15〜38％，其中，第一工序是将75〜92重量％的沸石与8〜25重量％的硅酸钠水溶液混合后，使混合材料成粒， 盐水溶液是氯化钾水溶液，其中第三种方法的浸渍在温度下进行 ge为20〜40℃。 3A型颗粒沸石的特征在于其通过制备方法制备，包括在沸石与硅酸钠水溶液共混之后使混合材料成粒的第一工艺; 从造粒材料分选直径为1〜6mm的造粒材料的第二工序; 以及将分级处理后的造粒物浸渍在钾盐水溶液中后分离脱水的颗粒状压块的第三工序，其中，所述粒状体包含75〜92重量％的沸石和8〜25重量％的硅酸钾系 固体含量。
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公开(公告)号：KR100447941B1
公开(公告)日：2004-09-08
申请号：KR1020010072627
申请日：2001-11-21
Applicant: 한국화학연구원
IPC: C30B29/14
Abstract: PURPOSE: A method for obtaining high purity phosphoric acid crystal to the maximum yield by efficiently removing about 24 types of heavy metal remained in phosphoric acid as impurities, and an apparatus for manufacturing the high purity phosphoric acid crystal are provided. CONSTITUTION: The apparatus comprises a crystal manufacturing unit (10) comprising a raw material phosphoric acid tank (11) for supplying phosphoric acid, and a crystallization tank (14) on the outer part of which a jacket (12) is formed, and in which a scraper (13) is installed so that an internal temperature is maintained to -70 to -30 deg.C using refrigerant circulating the external jacket (12), and phosphoric acid seed crystal is continuously manufactured by scraping crystal on the wall surface of the crystallization tank (14) using the scraper (13); a crystal aging unit (20) comprising refrigerant circulator (21) and temperature sensor (22) for temperature controlling, and an aging tank (24) in which a propeller impeller (23) is installed, and which receives phosphoric acid crystal so that the phosphoric acid crystal is aged for 10 to 40 minutes by cooling it to a temperature of 4 to 20 deg.C; and a crystal purifying unit (30) comprising a purifying tank (33) comprising a jacket (31) installed on the outer part of the purifying tank (33) to maintain temperature and a heater (32) installed inside the purifying tank (33) to melt crystal so that some of the crystal grains are refluxed while some of the crystal grains are taken as product by melting crystal grains precipitated into the bottom by gravity of the crystal grains.
Abstract translation: 目的：提供一种通过有效地除去作为杂质残留在磷酸中的约24种重金属以获得最高产率的高纯度磷酸晶体的方法以及一种用于制造高纯度磷酸晶体的设备。 本发明的装置包括：晶体制造单元（10），其包括用于供应磷酸的原料磷酸罐（11）和结晶罐（14），结晶罐的外部形成有夹套（12），并且在结晶罐 其中安装刮板（13），使得利用循环外部夹套（12）的制冷剂将内部温度保持在-70至-30℃，并且通过刮擦壁表面上的晶体连续制造磷酸晶种 使用刮刀（13）的结晶罐（14）; 包括用于温度控制的制冷剂循环器（21）和温度传感器（22）的晶体老化单元（20）以及其中安装有螺旋桨叶轮（23）的老化箱（24），并且其接收磷酸晶体， 通过将磷酸晶体冷却至4至20℃的温度来熟化10至40分钟; 和包括净化罐（33）的晶体净化单元（30），所述净化罐包括安装在净化罐（33）的外部以保持温度的外壳（31）和安装在净化罐（33）内的加热器（32） 通过晶粒的重力熔化结晶，使一些晶粒回流，同时使一些晶粒作为产物被熔化，从而通过熔化沉淀到底部的晶粒。
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公开(公告)号：KR1020040017506A
公开(公告)日：2004-02-27
申请号：KR1020020049581
申请日：2002-08-21
Applicant: 한국화학연구원
IPC: C07C17/38
Abstract: PURPOSE: Provided is a method for separating a gas mixture of hexafluoropropylene and chlorodifluoromethane using an imidazolium-based liquid having excellent absorption capability to chlorodifluoromethane with a high efficiency. CONSTITUTION: The method comprises the steps of: (a) introducing a gas mixture containing hexafluoropropylene(HFP) and chlorodifluoromethane(R22) into an imidazolium-based liquid to absorb R22 into the imidazolium-based ionic liquid; (b) separating the imidazolium-based ionic liquid in which R22 is absorbed from HFP; and (c) separating R22 from the imidazolium-based ionic liquid in which R22 is absorbed. Particularly, the imidazolium-based ionic liquid comprises 1-alkyl-3-methyl imidazolium cation and an inorganic anion.
Abstract translation: 目的：提供使用具有高效吸收能力的咪唑鎓系液体向六氟丙烯和氯二氟甲烷分离氯代二氟甲烷的方法。 方案：该方法包括以下步骤：（a）将含有六氟丙烯（HFP）和氯二氟甲烷（R22）的气体混合物引入到基于咪唑鎓的液体中以将R22吸收到基于咪唑鎓的离子液体中; （b）从HFP中分离其中R22被吸收的咪唑鎓离子液体; 和（c）从R 22被吸收的咪唑鎓离子液体中分离出R 22。 特别地，咪唑鎓离子液体包含1-烷基-3-甲基咪唑阳离子和无机阴离子。
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公开(公告)号：KR100408006B1
公开(公告)日：2003-12-03
申请号：KR1020010033161
申请日：2001-06-13
Applicant: 에스케이 인천정유 주식회사 , 한국화학연구원
IPC: C01B39/02
Abstract: PURPOSE: An improved method for preparing mesoporous crystalline molecular sieve having large pore size and superior hydrothermal stability is provided. CONSTITUTION: The method for preparing mesoporous crystalline molecular sieve comprises the steps of a) preparing a first solution by dissolving 2 to 20 weight parts of silica alone or a mixture of silica and a metal salt or metal alkoxide into 100 weight parts of a hydrogen fluoride solution having concentration of 5 to 50%, wherein a mole ratio of Si/metal is 10 or more; b) preparing a second solution by dissolving 2 to 12 weight parts of cationic surfactant into 100 weight parts of distilled water; c) uniformly mixing the solutions by adding the first solution to the second solution in a weight ratio of 1 to 2:1 (second solution/first solution), and preparing powder by filtering and drying the aged solution after aging the resulting solution at a temperature of 25 to 80 deg.C for 10 to 18 hours by adding 20 to 30 weight parts of concentrated aqueous ammonia (based on 100 weight parts of the hydrogen fluoride solution) to the mixed solution; and d) adding the powder to 200 to 300 weight parts (based on 100 weight parts of the hydrogen fluoride solution) of an ethanol acidic solution, and calcining the resulting material at a temperature of 300 to 600 deg.C for 2 to 4 hours.
Abstract translation: 目的：提供一种制备具有大孔径和优异的水热稳定性的中孔结晶分子筛的改进方法。 构成：制备介孔结晶分子筛的方法包括以下步骤：a）通过将2至20重量份的单独的二氧化硅或二氧化硅与金属盐或金属醇盐的混合物溶解于100重量份的氟化氢 浓度为5至50％的溶液，其中Si /金属的摩尔比为10或更大; b）通过将2至12重量份的阳离子表面活性剂溶解于100重量份的蒸馏水中来制备第二溶液; c）通过将第一溶液以1：2：1的重量比（第二溶液/第一溶液）加入到第二溶液中来均匀地混合溶液，并且通过过滤和干燥老化的溶液来制备粉末， 通过将20至30重量份的浓氨水（基于100重量份的氟化氢溶液）加入到混合溶液中，在25至80℃的温度下进行10至18小时; 和d）将粉末加入到乙醇酸性溶液200-300重量份（基于100重量份氟化氢溶液）中，并将所得材料在300-600℃的温度下煅烧2-4小时 。
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Patent Agency Ranking
公开(公告)号：KR1020020085152A
公开(公告)日：2002-11-16
申请号：KR1020010024502
申请日：2001-05-07
Applicant: 한국화학연구원
Abstract: PURPOSE: A polytetrafluoroethylene water-dispersive substance and its preparation method are provided, which has a high concentration of 60-70% and a nano-size of 100-200 nm. CONSTITUTION: The method comprises the steps of emulsion polymerizing gaseous polytetrafluoroethylene monomer in the presence of purified water, a fluorine-based surfactant, an emulsion stabilizer and an initiator; mixing the obtained one with a mixture of a nonionic surfactant and an anionic surfactant by stirring at the same temperature with the emulsion polymerization; stopping the stirring and concentrating the mixture; separating polytetrafluoroethylene water-dispersive substance from the upper mixture layer of the purified water and the emulsion stabilizer; and drying the polytetrafluoroethylene water-dispersive substance.
Abstract translation: 目的：提供聚四氟乙烯水分散体及其制备方法，其浓度高达60-70％，纳米尺寸为100-200nm。 构成：该方法包括在纯水，氟系表面活性剂，乳化稳定剂和引发剂的存在下乳化聚合气态聚四氟乙烯单体的步骤; 在乳液聚合的同一温度下通过搅拌将得到的物质与非离子表面活性剂和阴离子表面活性剂的混合物混合; 停止搅拌并浓缩混合物; 从净化水和乳化稳定剂的上部混合物层分离聚四氟乙烯水分散体; 并干燥聚四氟乙烯水分散物质。
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公开(公告)号：KR1020010081730A
公开(公告)日：2001-08-29
申请号：KR1020000007814
申请日：2000-02-18
Applicant: 한국화학연구원
IPC: B01D71/56
CPC classification number: B01D67/0006 , B01D61/025 , B01D69/02 , B01D69/10 , B01D69/12 , B01D71/56 , B01D2323/02 , B01D2325/02 , B01D2325/20
Abstract: PURPOSE: A manufacturing method of a high-permeability reverse osmosis separation membrane is provided to improve permeation and exclusion efficiency and permeation speed by using a coating solution mixing technique. CONSTITUTION: A non-porous polyamide film is applied on a porous support membrane. The porous support membrane is pretreated by immersing it in a binder solution containing water-soluble aldehyde compound. After immersing the pretreated support in an aqueous solution containing polyamine, it is treated with an organic solution containing acyl halide compound. Then, it is dried to form a polyamide activated film. This film is post-treated by immersing in a solution containing amine, alcohol or acid compounds.
Abstract translation: 目的：提供高渗透性反渗透分离膜的制造方法，以通过使用涂布溶液混合技术来提高渗透和排除效率和渗透速度。 构成：将多孔聚酰胺膜施加在多孔支撑膜上。 将多孔载体膜浸渍在含有水溶性醛化合物的粘合剂溶液中进行预处理。 将预处理的载体浸入含有多胺的水溶液中后，用含酰卤化合物的有机溶液处理。 然后将其干燥以形成聚酰胺活性膜。 该膜通过浸入含有胺，醇或酸化合物的溶液中进行后处理。
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公开(公告)号：KR1020010056165A
公开(公告)日：2001-07-04
申请号：KR1019990057602
申请日：1999-12-14
Applicant: 한국화학연구원
IPC: B01J20/00
CPC classification number: B01J20/3078 , B01J20/20 , B01J2220/42
Abstract: PURPOSE: A method for manufacturing a multi-functional granular adsorptive material is provided to fundamentally improve demerits of an existing manufacturing method which is artificially combined simply using zeolite, activated carbon and binder by directly manufacturing zeolite and an activated carbon composite material using raw materials of bran and sodium aluminate aqueous solution. CONSTITUTION: The method for manufacturing a multi-functional granular adsorptive material comprises the processes of granulating the blended material by blending bran powder and sodium aluminate aqueous solution; and performing hydrothermal treatment using a sodium hydroxide aqueous solution after passing the granulated materials through carbonization and activation processes, wherein the carbonization process is performed under the temperature condition of 400 to 700 deg.C, or 750 to 950 deg.C under the infusion of steam, wherein the hydrothermal treatment comprises the processes of adding 3 to 8 wt.% of alkaline aqueous solution, aging at a temperature of 10 to 60 deg.C, and crystallization at a temperature of 80 to 110 deg.C, and wherein the adsorptive material is characterized in that a content of A, X or Y type zeolite is 55 to 70 wt.%, and a content of an activated carbon is 30 to 45 wt.%.
Abstract translation: 目的：提供一种多功能颗粒状吸附材料的制造方法，从根本上改善现有的制造方法的缺点，即现有的制造方法，简单地使用沸石，活性炭和粘合剂通过直接制造沸石和活性炭复合材料，人造组合使用原料 麸皮和铝酸钠水溶液。 构成：多功能颗粒状吸附材料的制造方法包括通过混合麸粉和铝酸钠水溶液对混合材料进行造粒的方法; 并且在通过碳化和活化方法使造粒材料通过之后，使用氢氧化钠水溶液进行水热处理，其中碳化过程在400-700℃或750-950℃的温度条件下进行， 蒸汽，其中水热处理包括加入3至8重量％的碱性水溶液，在10至60℃的温度下老化并在80至110℃的温度下结晶的方法，其中 吸附材料的特征在于，A，X或Y型沸石的含量为55〜70重量％，活性炭的含量为30〜45重量％。
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公开(公告)号：KR100280376B1
公开(公告)日：2001-02-01
申请号：KR1019980032993
申请日：1998-08-14
Applicant: 한국화학연구원
IPC: C01B33/32
Abstract: 본 발명은 결정성 층상 이규산나트륨의 개량된 제조방법에 관한 것으로서, 더욱 상세하게는 일정 조성비의 무수 이규산나트륨 컬릿(cullet)분말을 출발물질로 하여 여기에 바인더로서 물 또는 규산나트륨 수용액을 가하여 조립 입상물을 조제하고 이를 결정화시키는 과정에 최소한의 최종제품을 재순환(recycle)시킴으로써, 연속공정중에 고온의 결정화 조건에서 발생하는 국부적인 소결현상으로 인해 반응물이 결정화 장치 내부에 부착되는 현상을 제거할 수 있을 뿐만 아니라, 최소량의 최종제품만을 재순환함으로써 대량생산시 기존방법에 비해 단위 생산성을 대폭 증가시키는 효과가 있는 결정성 층상 이규산나트륨의 개량된 제조방법에 관한 것이다.
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公开(公告)号：KR100252463B1
公开(公告)日：2000-04-15
申请号：KR1019970071292
申请日：1997-12-20
Applicant: 한국화학연구원
IPC: B01J20/26
Abstract: PURPOSE: Provided is a manufacturing method of a granular complex agent for wastewater treatment exhibiting molecular sieving effect for the application to advanced wastewater treatment. CONSTITUTION: The manufacturing method of the granular complex agent comprises the steps of blending zeolite 10-70wt.% with activated carbon 10-90wt.%; injecting an alkali metal silicate solution thereto, followed by mixing for granulation; treating the obtained granule with an alkali earth metal salt solution, followed by treating with phosphate solution of 1-10wt.%; washing, filtrating, and drying; calcining the granule under reductive gas conditions ranging from 500 to 800deg.C for 0.5-10hrs.
Abstract translation: 目的：提供用于废水处理的颗粒状复合剂的制造方法，其具有用于高级废水处理的分子筛分效应。 构成：颗粒状复合剂的制造方法包括将10-70wt％的沸石与10-90wt。％活性炭共混的步骤; 向其中注入碱金属硅酸盐溶液，然后混合制粒; 用碱土金属盐溶液处理得到的颗粒，然后用1-10重量％的磷酸盐溶液处理; 洗涤，过滤和干燥; 在500至800℃的还原气体条件下煅烧颗粒0.5-10小时。
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