公开(公告)号：KR100435518B1

公开(公告)日：2004-06-10

申请号：KR1020020014175

申请日：2002-03-15

Applicant: 한국화학연구원

Inventor： 김광주 ,  이정민 ,  김철웅 ,  김재경

IPC: C08F2/28

Abstract: PURPOSE: Provided is a method for producing spherical polyethylene powder which excludes the need for production of a polymerization catalyst, and simplifies the processing steps to save the costs and to improve the productivity. CONSTITUTION: The method for producing spherical polyethylene powder comprises the steps of: (a) dissolving a polyethylene into a good solvent to form a transparent and homogeneous solution; (b) heating a non-solvent which cannot dissolve polyethylene in a separate container at a temperature higher than the melting temperature of polyethylene; (c) mixing the homogeneous solution of the step (a) with the heated non-solvent of the step (b); (d) cooling the mixture to a temperature lower than the crystallization temperature of polyethylene to form an emulsion; and (e) separating and filtering the emulsion, removing the remaining good solvent and non-solvent with a washing solvent and then drying. The apparatus for producing spherical polyethylene powder comprises the means(1) for dissolving the polyethylene into the good solvent; a means(2) for heating the non-solvent; an agitated crystallizing device(3) for mixing the good solvent with the non-solvent; a filter(4) for recovering spherical polyethylene particles; and a separator(5) for recycling the remaining polyethylene.

Abstract translation: 目的：提供一种不需要生产聚合催化剂的球形聚乙烯粉末的生产方法，并且简化了加工步骤以节省成本并提高生产率。 构成：用于生产球形聚乙烯粉末的方法包括以下步骤：（a）将聚乙烯溶解在良溶剂中以形成透明和均匀的溶液; （b）在高于聚乙烯熔点的温度下，将不能溶解聚乙烯的非溶剂加热到单独的容器中; （c）将步骤（a）的均匀溶液与步骤（b）的加热的非溶剂混合; （d）将混合物冷却至低于聚乙烯结晶温度的温度以形成乳液; 和（e）分离和过滤乳液，用洗涤溶剂除去剩余的良溶剂和非溶剂，然后干燥。 用于生产球形聚乙烯粉末的设备包括用于将聚乙烯溶解到良溶剂中的装置（1） 一个用于加热该非溶剂的装置（2）; 搅拌结晶装置（3），用于将所述良溶剂与所述非溶剂混合; 用于回收球形聚乙烯颗粒的过滤器（4）; 和用于回收剩余聚乙烯的分离器（5）。

公开(公告)号：KR1020040035953A

公开(公告)日：2004-04-30

申请号：KR1020020062322

申请日：2002-10-14

Applicant: 한국화학연구원

Inventor： 이정민 ,  서정권

IPC: C01B33/26

CPC classification number: C01B33/46 ,  C11D3/1246 ,  C11D7/14

Abstract: PURPOSE: A method for manufacturing amorphous aluminosilicate is provided which obtains high ion exchange power and high oil absorption power by optimizing gelation and aging conditions in manufacturing of amorphous aluminosilicate using sodium aluminate aqueous solution and sodium silicate aqueous solution. CONSTITUTION: The method comprises a process of gelling sodium aluminate aqueous solution and sodium silicate aqueous solution in such a manner that the sodium aluminate aqueous solution and sodium silicate aqueous solution are continuously gelled by controlling the number of revolutions of the kneader in the range of 90 to 150 revolutions per minute, and injecting the sodium aluminate aqueous solution and sodium silicate aqueous solution into a kneader maintaining the temperature range of 15 to 90 deg.C and having a volume corresponding to an overall length of 400 mm and diameter of 100 mm in an input speed of 8 to 11 L/min; a process of aging aluminosilicate reactant discharged in the gelation process in a reactor to which an agitator is adhered in the temperature range of 30 to 60 deg.C for 0.3 to 12 hours; and performing solid-liquid separation, drying and disintegration processes comprising reduced pressure filtration and water cleaning.

Abstract translation: 目的：提供一种制造无定形硅铝酸盐的方法，通过使用铝酸钠水溶液和硅酸钠水溶液制造无定形硅铝酸盐，优化凝胶化和老化条件，获得高离子交换能力和高吸油能力。 方案：该方法包括以铝酸钠水溶液和硅酸钠水溶液胶凝的方法，使得铝酸钠水溶液和硅酸钠水溶液通过将捏合机的转数控制在90℃范围内而连续地凝胶化 至150转/分钟，并将铝酸钠水溶液和硅酸钠水溶液注入捏合机中，保持温度范围为15至90℃，并且具有对应于总长度为400mm，直径为100mm的体积 输入速度为8〜11L / min; 在30至60℃的温度范围内在搅拌器附着的反应器中在凝胶化过程中排出的硅铝酸盐反应物老化时间为0.3-12小时; 并进行包括减压过滤和水清洗的固液分离，干燥和崩解过程。

公开(公告)号：KR100419288B1

公开(公告)日：2004-02-19

申请号：KR1020010035694

申请日：2001-06-22

Applicant: 에스케이 인천정유 주식회사 ,  한국화학연구원

Inventor： 임대재 ,  최진우 ,  김기선 ,  김정석 ,  정순용 ,  진항교 ,  이정민

IPC: B01J29/068 ,  B01J37/08 ,  B01J37/02

Abstract: PURPOSE: A preparation method of dearomatization catalysts for diesel oil is provided, which can keep high dearomatization activity by using platinum, palladium or their mixtures, mesoporous molecular sieve, pseudo-boehmite and acid solutions. The catalyst also enhances yield of liquid hydrocarbon by inhibiting cracking reaction by using mesoporous molecular sieve, enhances activity by well distributing activating component by utilizing merits of large pore size and pore volume of specific surface of mesoporous molecule sieve, and can prevent inactivation caused by coke deposition. CONSTITUTION: The preparation method of dearomatization catalysts for diesel oil comprises the steps of supporting 100 parts by weight of mesoporous molecular sieve with a SiO2/Al2O3 molecular ratio of 30 to 300 and a pore size of 20 to 50 Å with 0.1 to 2.0 parts by weight of platinum, palladium or their mixtures; adding 5 to 50 parts by weight of pseudo boehmite and 0.2 to 3.0 parts by weight of acid solutions, followed by molding; and calcining the molded matter at 300 to 600 deg.C for 4 to 6 hours.

Abstract translation: 发明目的：提供一种柴油脱芳香烃催化剂的制备方法，该方法通过使用铂，钯或其混合物，介孔分子筛，假勃姆石和酸溶液，可以保持较高的脱芳构化活性。 该催化剂还利用介孔分子筛抑制裂化反应，提高了液态烃的收率，利用中孔分子筛的比表面积大孔径和孔体积大的优点使活性组分分布均匀，并且可以防止焦炭引起的失活 沉积。 一种柴油脱芳香催化剂的制备方法，包括以下步骤：负载100重量份SiO2 / Al2O3分子比为30-300，孔径为20-50埃的中孔分子筛; 0.1至2.0重量份的铂，钯或其混合物; 加入5-50重量份假勃姆石和0.2-3.0重量份酸溶液，随后模塑; 在300〜600℃下煅烧4〜6小时。

公开(公告)号：KR100417058B1

公开(公告)日：2004-02-05

申请号：KR1020010030779

申请日：2001-06-01

Applicant: 한국화학연구원

Inventor： 이정민 ,  김광주 ,  김철웅 ,  김범식 ,  김재경

IPC: C10G73/44

Abstract: PURPOSE: Provided are a purification method and an equipment for polyethylene wax which is useful as a coloring agent and an lubricant. CONSTITUTION: The purification method of lower polyethylene wax generated form the polymerization of polyethylene slurry, by crystallization comprises the steps of: inserting lower polyethylene wax into a crystallizer; heating the lower polyethylene wax in the crystallizer up; cooling it to crystalize the inside of the crystallizer; melting produced crystals at 80-140 deg. C; and obtaining high purity of crystals therefrom.

Abstract translation: 用途：提供用作着色剂和润滑剂的聚乙烯蜡的提纯方法和设备。 构成：由聚乙烯淤浆聚合产生的低聚乙烯蜡的提纯方法，通过结晶包括以下步骤：将下聚乙烯蜡插入结晶器中; 将结晶器中的较低聚乙烯蜡加热; 冷却它以结晶结晶器的内部; 在80-140℃熔化产生的晶体。 C; 并从中获得高纯度的晶体。

公开(公告)号：KR1020030097288A

公开(公告)日：2003-12-31

申请号：KR1020020034595

申请日：2002-06-20

Applicant: 한국화학연구원 ,  (주)유니온카본 ,  코리아에프티 주식회사

Inventor： 진항교 ,  정순용 ,  박병기 ,  최정일 ,  이정민 ,  김현기 ,  오재규

IPC: C01B31/08

CPC classification number: C01B32/318 ,  C01B32/342 ,  C01P2006/12

Abstract: PURPOSE: A preparation method of lignocellulose based activated carbon is provided to prepare activated carbon having high density and high performance by a simpler preparation process compared to an existing preparation process. CONSTITUTION: The preparation method comprises processes of mixing lignocellulose, chemical activating agent and water; thermosetting the mixture; pulverizing the thermosetted mixture; adding molding supporting agent to the pulverized material; cohering the molding supporting agent added material; forming the cohered material into a high density pellet shaped thermosetting powder using an injector, and chamfering cohered material at the same time; drying the chamfered thermosetting powder at a temperature of 120 to 150 deg.C for 1 to 2 hours; activating the dried material to a temperature of 400 to 600 deg.C in a furnace; cleaning the residual chemical activating agent using water; and drying the water cleaned residual chemical activating agent, wherein mixing, thermosetting, pulverizing, molding supporting agent adding and cohering processes of the lignocellulose, chemical activating agent and water are performed in a lump in a high shearing force mixer to which a heating source is attached.

Abstract translation: 目的：提供一种木质纤维素基活性炭的制备方法，与现有的制备方法相比，通过更简单的制备方法制备具有高密度和高性能的活性炭。 构成：制备方法包括木质纤维素，化学活化剂和水的混合过程; 热固混合物; 粉碎热固性混合物; 向粉碎材料中加入成型载体; 粘合成型助剂添加材料; 使用注射器将粘结材料形成高密度颗粒状热固性粉末，同时倒角粘结材料; 在120〜150℃的温度下干燥倒角热固性粉末1〜2小时; 在炉中将干燥的材料活化至400至600℃的温度; 用水清洗残留的化学活化剂; 并干燥水清洗残留的化学活化剂，其中木质纤维素，化学活化剂和水的混合，热固化，粉碎，模塑支持剂添加和共聚工艺在高剪切力混合器中进行，加热源为 连接。

公开(公告)号：KR100413592B1

公开(公告)日：2003-12-31

申请号：KR1020000074616

申请日：2000-12-08

Applicant: 한국화학연구원

Inventor： 이정민 ,  염충균 ,  이상학 ,  송호성 ,  김범식

IPC: B01D69/12

Abstract: PURPOSE: To separate volatile organic compounds from waste stream effectively, a hybrid membrane which is composed of porous membrane layer and non-porous membrane layer is provided. The porous membrane layer has the ability of concentration and has an effect on the characteristic of separation, whereas the non-porous membrane layer has the ability of purification and an affinity for volatile organic compounds. The hybrid membrane can improve the effectiveness of separation by picking out the merits of porous and non-porous membrane layers. CONSTITUTION: The hybrid membrane comprises a porous membrane layer which has the ability of concentration and a non-porous membrane layer which is coated with macromolecules that have an affinity for volatile organic compounds. On one side of the porous layer, a solution containing fillers, including aluminum nitrate, aluminum sulfate, calcium chloride and polyethylene oligomer, is applied, whereas on the other side of the porous layer, negative pressure of 5-300 torr is applied. After forming a porous layer on one side, polydimethyl siloxane oligomer is applied the other side so that a non-porous layer is formed.

Abstract translation: 用途：为了有效分离废物流中的挥发性有机化合物，提供由多孔膜层和无孔膜层组成的杂化膜。 多孔膜层具有浓缩能力并对分离特性有影响，而无孔膜层具有纯化能力和对挥发性有机化合物的亲和力。 杂交膜可以通过挑选多孔和无孔膜层的优点来改善分离的效果。 构成：杂化膜包括具有浓缩能力的多孔膜层和用对挥发性有机化合物具有亲和性的大分子包覆的无孔膜层。 在多孔层的一侧上，施加包含填料（包括硝酸铝，硫酸铝，氯化钙和聚乙烯低聚物）的溶液，而在多孔层的另一侧施加5-300乇的负压。 在一侧形成多孔层后，在另一侧涂布聚二甲基硅氧烷低聚物以形成无孔层。

公开(公告)号：KR1020030093444A

公开(公告)日：2003-12-11

申请号：KR1020020031005

申请日：2002-06-03

Applicant: 한국화학연구원

Inventor： 이정민 ,  서정권 ,  진항교 ,  박병기 ,  정윤호 ,  박춘희 ,  박중환 ,  성우식 ,  조용식 ,  최문호

IPC: C01B31/08

CPC classification number: C01B32/318 ,  C01P2004/32 ,  C01P2006/12 ,  C01P2006/90

Abstract: PURPOSE: A method for efficiently manufacturing spherical activated carbon from pitch is provided. CONSTITUTION: In a method for manufacturing spherical activated carbon by globulizing, oxidizing, carbonizing and activating pitch, the method for manufacturing spherical activated carbon is characterized in that the globulization comprises processes of suspending pitch powder having a particle size corresponding to a sieve size of 40 meshes or less into surfactant aqueous solution having a concentration of 0.1 to 1.0 wt.%; and growing the mixture into spherical particles having a particle size corresponding to a sieve size of 25 to 45 meshes as having temperature gradient conditions in which the mixture is cooled to a temperature of 20 to 40 deg.C after maintaining the mixture to a temperature of 75 to 95 deg.C for 10 to 30 min as agitating the mixture to an agitation speed of 200 to 800 rpm, wherein the pitch powder is obtained by adding 30 to 45 wt.% of aromatic hydrocarbon compound to the treated mixture, melting and agitating the mixture and milling the melted and agitated mixture after adding 1 to 10 weight parts of nitro aromatic compound to 100 weight parts of raw material pitch, melting and agitating the mixture and treating the melted and agitated mixture, wherein the grown spherical particles are refined by solvent extraction using an extracting solvent of hexane, wherein the nitro aromatic compound is nitrobenzene, and the aromatic hydrocarbon compound is naphthalene based compound, wherein softening point of the pitch powder is 80 to 95 deg.C, and wherein the surfactant used in growing of the pitch powder particles is polyvinyl alcohol aqueous solution.

Abstract translation: 目的：提供一种高效地制造球形活性炭的方法。 构成：球形活性炭的球化，氧化，碳化和活化沥青的球形活性炭的制造方法中，球状活性炭的制造方法的特征在于，包括将筛孔尺寸相当于40的粉粒悬浮的方法 网眼或更少的浓度为0.1至1.0重量％的表面活性剂水溶液; 并将混合物生长成具有对应于25至45目的筛孔的粒径的球形颗粒，其温度梯度条件将混合物冷却至20至40℃的温度，将混合物保持在温度 75〜95℃，搅拌10〜30分钟，搅拌速度为200〜800rpm，通过向处理后的混合物中加入30〜45重量％的芳烃化合物，熔融， 在加入1至10重量份的硝基芳族化合物至100重量份原料沥青后，搅拌混合物并研磨熔融和搅拌的混合物，熔融并搅拌混合物并处理熔融和搅拌的混合物，其中生长的球形颗粒被精制 通过使用己烷的萃取溶剂进行溶剂萃取，其中硝基芳族化合物为硝基苯，芳烃化合物为萘系化合物，其中 沥青粉末的凝固点为80〜95℃，其中用于生长沥青粉末颗粒的表面活性剂为聚乙烯醇水溶液。

公开(公告)号：KR1020030075457A

公开(公告)日：2003-09-26

申请号：KR1020020014696

申请日：2002-03-19

Applicant: 한국화학연구원

Inventor： 김광주 ,  이정민 ,  김철웅 ,  김재경

IPC: C08F6/12

CPC classification number: C08F110/02 ,  C08F6/14 ,  C08J3/12 ,  C08L91/06

Abstract: PURPOSE: A method for preparing a spherical low molecular weight polyethylene wax is provided, to simplify the reaction and to reduce the cost by using no polymerization catalyst and employing no pulverizing or separating process. CONSTITUTION: The method comprises the steps of heating a low molecular weight polyethylene wax at a temperature above a melting point to evaporate the unreacted oil component contained in the wax and to remove the deposited ash; dissolving the low molecular weight polyethylene wax in a good solvent to prepare a transparent homogeneous solution; heating a non-solvent having no dissolving power to the low molecular weight polyethylene wax, at a temperature above a melting point of the low molecular weight polyethylene wax; mixing the homogeneous solution and the non-solvent; cooling the obtained mixture to a temperature below the crystallization temperature of the low molecular weight polyethylene wax to prepare an emulsion by emulsion crystallization; and filtering the emulsion to obtain a spherical low molecular weight polyethylene wax, washing the spherical low molecular weight polyethylene wax with a solvent to remove the good solvent and non-solvent contained in the wax and drying the spherical low molecular weight polyethylene wax. Preferably the good solvent is a linear alkanol; and the non-solvent is a divalent alcohol or a polyol.

Abstract translation: 目的：提供一种制备球形低分子量聚乙烯蜡的方法，以简化反应并通过不使用聚合催化剂并且不使用粉碎或分离方法降低成本。 方案：该方法包括在高于熔点的温度下加热低分子量聚乙烯蜡以蒸发含在蜡中的未反应的油组分并除去沉积的灰分的步骤; 将低分子量聚乙烯蜡溶解在良溶剂中以制备透明均匀溶液; 在低分子量聚乙烯蜡的熔点以上的温度下，向低分子量聚乙烯蜡中加热不溶解力的非溶剂; 混合均匀溶液和非溶剂; 将得到的混合物冷却至低于低分子量聚乙烯蜡的结晶温度的温度，通过乳液结晶制备乳液; 并过滤乳液以获得球形低分子量聚乙烯蜡，用溶剂洗涤球形低分子量聚乙烯蜡以除去蜡中所含的良溶剂和非溶剂，并干燥球形低分子量聚乙烯蜡。 优选的良溶剂是直链烷醇; 非溶剂是二元醇或多元醇。

公开(公告)号：KR1020030042108A

公开(公告)日：2003-05-28

申请号：KR1020010072627

申请日：2001-11-21

Applicant: 한국화학연구원

Inventor： 김광주 ,  이정민 ,  김철웅 ,  김재경 ,  김수연

IPC: C30B29/14

CPC classification number: C01B25/234 ,  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：通过有效地除去作为杂质的磷酸中残留的约24种重金属，获得高纯度磷酸结晶的方法，提供高纯度磷酸晶体的制造装置。 构成：该装置包括晶体制造单元（10），该晶体制造单元包括用于供给磷酸的原料磷酸槽（11）和在其外部形成有外壳（12）的结晶槽（14），并且 其中安装有刮刀（13），使得内部温度保持在-70至-30℃，使用循环外壳（12）的制冷剂，并且磷酸晶种通过在 使用刮刀（13）的结晶槽（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）和安装螺旋桨叶轮（23）的老化箱（24），并且接收磷酸晶体， 通过将磷酸晶体冷却至4〜20℃的温度而老化10〜40分钟; 以及包括净化罐（33）的晶体净化单元（30），所述净化槽包括安装在所述净化罐（33）的外部以保持温度的护套（31）和安装在所述净化槽（33）内的加热器（32） 熔化晶体，使得一些晶粒回流，同时通过将通过晶粒重力沉淀到底部的晶粒熔化而将一些晶粒作为产物而被回收。

公开(公告)号：KR1020020091955A

公开(公告)日：2002-12-11

申请号：KR1020010030779

申请日：2001-06-01

Applicant: 한국화학연구원

Inventor： 이정민 ,  김광주 ,  김철웅 ,  김범식 ,  김재경

IPC: C10G73/44

Abstract: PURPOSE: Provided are a purification method and an equipment for polyethylene wax which is useful as a coloring agent and an lubricant. CONSTITUTION: The purification method of lower polyethylene wax generated form the polymerization of polyethylene slurry, by crystallization comprises the steps of: inserting lower polyethylene wax into a crystallizer; heating the lower polyethylene wax in the crystallizer up; cooling it to crystalize the inside of the crystallizer; melting produced crystals at 80-140 deg. C; and obtaining high purity of crystals therefrom.

Abstract translation: 目的：提供可用作着色剂和润滑剂的聚乙烯蜡的净化方法和设备。 构成：通过结晶聚乙烯浆料聚合生成的低聚乙烯蜡的纯化方法包括以下步骤：将低聚乙烯蜡插入结晶器中; 加热结晶器中的下聚乙烯蜡; 冷却结晶器结晶器内部; 熔化产生的晶体在80-140度。 C; 并从中获得高纯度的晶体。