-
公开(公告)号：KR1020040018765A
公开(公告)日：2004-03-04
申请号：KR1020020050736
申请日：2002-08-27
Applicant: 한국과학기술연구원
IPC: C10G32/02
Abstract: PURPOSE: A method for effectively separating chlorine from waste car shredded residues remained by recovering metals including iron scrap, aluminum and copper from the shredded waste car using electrostatic separation after shredding waste car using a shredder is provided. CONSTITUTION: The method for separating chlorine from waste car shredded residues using electrostatic separation comprises the steps of obtaining a product filtered by the sieve by classifying grain sizes of the waste car shredded residues using a sieve having size of about 5 to 10 mm; obtaining a combustible product of high heat energy by air separating the product obtained through grain size classification; obtaining pulverized material of the combustible product by pulverizing the combustible product into particles having diameter of 3 mm or less; and obtaining a combustible product of high heat energy by electrostatic separating the pulverized material of the combustible product, wherein the air separation step comprises a step of primarily removing materials which are combustible, but have low heat energy such as sponge, paper and wood pieces and secondarily removing non-combustible materials such as glass and metal scraps, and weight of the combustible product of high heat energy obtained through air separation is 60 to 80% of that of a product filtered by the sieve by performing grain size classification before performing the air separation step.
Abstract translation: 目的：提供了一种通过使用粉碎机切碎废弃车辆后，通过使用静电分离从粉碎的废车中回收金属，包括废铁，铝和铜的金属，从而有效分离废汽车碎屑残留物的方法。 构成：使用静电分离方法从废汽车切碎残渣中分离氯的方法包括以下步骤：通过使用尺寸为约5至10mm的筛子对废汽车切碎残渣的颗粒尺寸进行分级，获得筛子过滤的产物; 通过空气分离通过粒度分级获得的产品获得高热能的可燃产物; 通过将可燃物粉碎成直径为3mm以下的粒子，得到可燃物的粉碎物; 并通过静电分离可燃产品的粉碎材料获得高热能的可燃产品，其中空气分离步骤包括主要除去可燃烧但具有低热能的材料如海绵，纸和木材的步骤，以及 二次除去玻璃和金属屑等不燃材料，通过空气分离获得的高热能的可燃性产品的重量，是在进行空气之前进行粒度分级的筛子过滤产物的重量的60〜80％ 分离步骤
-
公开(公告)号：KR1020040005446A
公开(公告)日：2004-01-16
申请号：KR1020020040014
申请日：2002-07-10
Applicant: 한국과학기술연구원
IPC: C22B3/24
CPC classification number: Y02P10/234
Abstract: PURPOSE: A method for recovering gold from acidic thiourea aqueous solution containing gold using activated carbon is provided to solve problems of conventional gold recovering method such as complicated process, large consumption of thiourea and environmental pollution due to use of organic solvent. CONSTITUTION: The method comprises steps of adsorbing gold in the acidic thiourea aqueous solution containing gold using activated carbon as adsorbent; and recovering gold as bullion by burning the gold contained activated carbon adsorbent, wherein the acidic thiourea aqueous solution is leached from gold concentrate, and the activated carbon is granular activated charcoal having a grain size of 0.5 to 2 mm, wherein the adsorption step is performed by injecting nitrogen gas into the acidic thiourea aqueous solution in a flow rate of 200 to 400 ml/min per liter of the acidic thiourea aqueous solution before and during the adsorption, wherein 0.8 to 1.5 g of activated carbon per liter of the acidic thiourea aqueous solution is used in the adsorption step, wherein the adsorption step is performed by agitating the acidic thiourea aqueous solution containing gold at an agitation speed of 100 to 300 rpm at a temperature of 20 to 30 deg.C, and wherein the adsorption step is performed in two to four adsorption steps.
Abstract translation: 目的：提出一种使用活性炭从酸性硫脲水溶液中回收金的方法，以解决常规金回收方法的问题，如复杂工艺，硫脲用量大，使用有机溶剂造成的环境污染。 构成：该方法包括使用活性炭作为吸附剂将金吸附在含有金的酸性硫脲水溶液中的步骤; 并通过燃烧含金的活性炭吸附剂来回收黄金，其中酸性硫脲水溶液从金浓缩物中浸出，活性炭是粒径为0.5-2mm的粒状活性炭，其中进行吸附步骤 通过在吸附前和吸附过程中以每升酸性硫脲水溶液200〜400ml / min的流量将氮气注入酸性硫脲水溶液中，其中每升酸性硫脲水溶液为0.8〜1.5g活性炭 溶液用于吸附步骤，其中吸附步骤是通过在20至30℃的温度下以搅拌速度100至300rpm搅拌含有金的酸性硫脲水溶液进行的，其中进行吸附步骤 在两到四个吸附步骤。
-
公开(公告)号：KR100411183B1
公开(公告)日：2003-12-18
申请号：KR1020010019536
申请日：2001-04-12
Applicant: 한국과학기술연구원
IPC: B01D11/04
Abstract: PURPOSE: A method of extracting free nitric and hydrogen fluoride from the waste pickling solution of the stainless steel by organic solution containing tributyl phosphate. The free nitric and fluoric acid in the organic solution is later reverse extracted by water to carry on the continuous recovery. The method has high recovery rate of the acid than the conventional stirring-separation method and the treatment volume is increased while the installation area is decreased. The method is a novel economical method of column extraction which recovers the acids from the waste pickling solution, minimizing the discharge of environmental pollutants. CONSTITUTION: The extraction method comprises: a first step of extracting free nitric and hydrogen fluoride in the waste pickling solution of stainless steel with an organic solution containing 60-80 %(v/v) of tributyl phosphate by column extractor wherein the pulse velocity (AxF) is 150-170 cm/min, while the phase equilibrium of the waste acid wash/organic solution (A/O) is 1/3-2/3, total flow rate based on the phase equilibrium (A/O) being 3-4.2 mL/min per cm¬2 and a second step of reverse extracting nitric and fluoric acid from the above organic solution by water, wherein the pulse velocity (AxF) is 140-160 cm/min. while the phase equilibrium of the waste acid wash/organic solution (A/O) is 2/3-2, total flow rate based on the phase equilibrium (A/O) being 1.5-2 mL/min per cm¬2.
Abstract translation: 目的：通过含有磷酸三丁酯的有机溶液从不锈钢的废酸洗溶液中提取游离的硝酸和氟化氢的方法。 游离的有机溶液中的硝酸和氟酸后来被水反萃取以进行连续的回收。 该方法具有比常规搅拌分离方法高的酸回收率，并且处理量增加，而安装面积减小。 该方法是一种新型经济的柱提取方法，从废酸洗液中回收酸，减少了环境污染物的排放。 构成：提取方法包括：第一步，用含有60-80％（v / v）磷酸三丁酯的有机溶液，通过柱提取器，在不锈钢的废酸洗溶液中提取游离的硝酸和氟化氢， （A / O）的相平衡为1 / 3-2 / 3，基于相平衡（A / O）的总流速为150-170cm / min，而废酸洗/有机溶液 每平方厘米3-4.2毫升/分钟;以及第二步，用水从上述有机溶液中反萃取硝酸和氟酸，其中脉冲速度（AxF）为140-160厘米/分钟。 而废酸洗/有机溶液（A / O）的相平衡为2 / 3-2，基于相平衡（A / O）的总流速为1.5-2mL / min / cm 2。
-
公开(公告)号：KR1020020080988A
公开(公告)日：2002-10-26
申请号：KR1020010020925
申请日：2001-04-18
Applicant: 한국과학기술연구원
IPC: B23K35/22
Abstract: PURPOSE: A preparing method of an iron thermit welding material with mill scale is provided to solve demerits of an existing thermit welding material preparation method accompanying oxidation or hydrogen reduction process and remilling process, that is, process complexity and high process cost. CONSTITUTION: The preparing method of an iron thermit welding material with mill scale comprises the steps of controlling particle sizes by classifying raw materials of mill scale and aluminum powder and trace additives of metal iron, ferro-manganese and silicon carbide in preparing the iron thermit welding material; and mixing the raw materials of aluminum powder and mill scale, and controlling an addition amount of the trace additives to have a proper mole ratio of aluminum powder to oxygen in mill scale, wherein a particle size of mill scale in the particle control step corresponds to a sieve size of 14 to 100 meshes, a particle size of aluminum powder in the particle control step corresponds to a sieve size of 30 to 100 meshes, a particle size of metal iron and ferro-manganese in the particle control step corresponds to a sieve size of 14 meshes or more, a particle size of silicon carbide corresponds to a sieve size of 30 to 50 meshes, a mole ratio (MAl/MO) of aluminum powder to oxygen in mill scale is 0.6 to 0.7, the addition amount of metal iron is 4 to 6 wt.% of the total amount of the welding material, the addition amount of ferro-manganese is 2 to 3 wt.% of the total amount of the welding material, the addition amount of silicon carbide is 1.4 to 1.6 wt.% of the total amount of the welding material, and the preparation method further comprises pretreatment step of roasting the mill scale at a temperature of about 400 deg.C to remove oil or contaminants.
Abstract translation: 目的：提供一种具有轧机规格的铁热焊接材料的制备方法，以解决伴随氧化或氢还原工艺和再结晶工艺的现有热焊接材料制备方法的缺点，即工艺复杂性和高工艺成本。 构成：采用轧制铁质焊接材料的制备方法包括以下步骤：通过对轧制原料和铝粉进行分选，并对金属铁，铁锰和碳化硅的微量添加剂进行分选，以制备铁热焊接 材料; 并混合铝粉原料和粉粒，并控制微量添加剂的添加量，使其具有适合的摩尔比的铝粉与氧的摩尔比，其中颗粒控制步骤中的氧化皮的粒度对应于 筛目尺寸为14〜100目，粒子对照步骤中的铝粉粒径对应于30〜100目的筛孔尺寸，粒子对照步骤中的金属铁和铁锰的粒径对应于筛 尺寸为14目以上，碳化硅的粒径对应于30〜50目的筛孔，铝粉与氧化皮的摩尔比（MA1 / MO）为0.6〜0.7，金属添加量 铁是焊接材料总量的4〜6重量％，铁锰的添加量为焊接材料总量的2〜3重量％，碳化硅的添加量为1.4〜1.6 焊接总量的百分之几 材料，并且制备方法还包括在约400℃的温度下焙烧该氧化皮的预处理步骤以除去油或污染物。
-
公开(公告)号：KR1020020079004A
公开(公告)日：2002-10-19
申请号：KR1020010019536
申请日：2001-04-12
Applicant: 한국과학기술연구원
IPC: B01D11/04
CPC classification number: B01D11/0492 , C02F1/583 , C02F1/586 , C02F2101/14 , C02F2101/163 , C02F2103/16
Abstract: PURPOSE: A method of extracting free nitric and hydrogen fluoride from the waste pickling solution of the stainless steel by organic solution containing tributyl phosphate. The free nitric and fluoric acid in the organic solution is later reverse extracted by water to carry on the continuous recovery. The method has high recovery rate of the acid than the conventional stirring-separation method and the treatment volume is increased while the installation area is decreased. The method is a novel economical method of column extraction which recovers the acids from the waste pickling solution, minimizing the discharge of environmental pollutants. CONSTITUTION: The extraction method comprises: a first step of extracting free nitric and hydrogen fluoride in the waste pickling solution of stainless steel with an organic solution containing 60-80 %(v/v) of tributyl phosphate by column extractor wherein the pulse velocity (AxF) is 150-170 cm/min, while the phase equilibrium of the waste acid wash/organic solution (A/O) is 1/3-2/3, total flow rate based on the phase equilibrium (A/O) being 3-4.2 mL/min per cm¬2 and a second step of reverse extracting nitric and fluoric acid from the above organic solution by water, wherein the pulse velocity (AxF) is 140-160 cm/min. while the phase equilibrium of the waste acid wash/organic solution (A/O) is 2/3-2, total flow rate based on the phase equilibrium (A/O) being 1.5-2 mL/min per cm¬2.
Abstract translation: 目的：通过含磷酸三丁酯的有机溶液从不锈钢的酸洗液中提取游离硝酸和氟化氢的方法。 有机溶液中的游离硝酸和氟酸随后由水反向萃取，进行连续回收。 该方法与常规搅拌分离方法相比，酸的回收率高，安装面积减小时处理量增加。 该方法是一种新型经济的柱提取方法，从废酸洗液中回收酸，尽量减少环境污染物的排放。 构成：提取方法包括：第一步，通过柱提取器，用含60-80％（v / v）磷酸三丁酯的有机溶液在不锈钢的酸洗液中提取游离硝酸和氟化氢，其中脉冲速度 AxF）为150-170cm / min，废酸洗涤/有机溶液（A / O）的相平衡为1 / 3-2 / 3，基于相平衡（A / O）的总流速为 3-4.2mL / min / cm 2，第二步用水从上述有机溶液中反萃取硝酸和氟酸，其中脉冲速度（AxF）为140-160cm / min。 而废酸洗/有机溶液（A / O）的相平衡为2 / 3-2，基于相平衡（A / O）的总流速为1.5-2mL / min / cm 2。
-
Patent Agency Ranking
公开(公告)号：KR1020020068790A
公开(公告)日：2002-08-28
申请号：KR1020010009062
申请日：2001-02-22
Applicant: 한국과학기술연구원
IPC: C25D5/00
Abstract: PURPOSE: A method for manufacturing a porous metal material by solution diffusion plating is provided to manufacture the porous metal material that can be widely used in such applications as electronic components, air conditioning equipment, filters for water treatment and construction materials. CONSTITUTION: In a method for manufacturing a porous metal material by covering a metallic coating film on a matrix through electroless plating and electroplating using a porous material as the matrix, the method for manufacturing the porous metal material by solution diffusion plating comprises the steps of forming a metallic coating film by electroless plating a matrix made of a porous material; forming a high concentration part(20) by increasing concentration of metal ions at any one side of an electrolytic cell(10) separated by a separation membrane having micro-pores, and forming a low concentration part(25) by relatively lowering concentration of metal ions at the one side of an electrolytic cell(10) separated by the separation membrane having micro-pores; installing a matrix on which a metallic coating film is formed by electroless plating and a metal supplying metal ions in the low concentration part(25); and impressing the anode to the metal, and impressing the cathode to the matrix so that a metallic coating film is formed on the matrix to a uniformed thickness by diffusion of ions proceeded from the high concentration part(20) to the low concentration part(25) and electrolysis of the metal.
Abstract translation: 目的：提供一种通过溶液扩散电镀制造多孔金属材料的方法，以制造可广泛用于诸如电子部件，空调设备，水处理过滤器和建筑材料的应用中的多孔金属材料。 构成：在通过使用多孔材料作为基体的无电镀和电镀覆盖基体上的金属涂膜的方法中，通过溶液扩散电镀制造多孔金属材料的方法包括以下步骤： 金属涂膜通过无电解电镀由多孔材料制成的基体; 通过在由具有微孔的分离膜分离的电解槽（10）的任一侧增加金属离子的浓度而形成高浓度部分（20），并通过相对降低金属浓度形成低浓度部分（25） 在由具有微孔的分离膜分离的电解槽（10）一侧的离子; 在低浓度部分（25）中安装通过化学镀和金属提供金属离子形成金属涂膜的基体; 并且将阳极施加到金属上，并且将阴极施加到基体上，使得通过从高浓度部分（20）进入低浓度部分（25）的离子的扩散，在基体上形成均匀的厚度的金属涂膜 ）和电解金属。
-
公开(公告)号：KR1020020006389A
公开(公告)日：2002-01-19
申请号：KR1020000040023
申请日：2000-07-12
Applicant: 한국과학기술연구원
IPC: H01L23/36
CPC classification number: H01L2224/48091 , H01L2224/48247 , H01L2924/181 , H01L2924/00014 , H01L2924/00012
Abstract: PURPOSE: A heat sink for a semiconductor package using porous metal is provided to remarkably increase heat radiation efficiency, by greatly broadening an electric heat area of a heat slug and by reducing heat transfer resistance on the surface when the porous metal of a three-dimensional net structure is adhered to the heat slug and is used as the heat sink for the semiconductor package. CONSTITUTION: The porous metal is adhered to the upper end of the heat slug(12) in the heat sink for the semiconductor package including a conventional heat slug. The porous metal may be copper. After the heat slug and the porous metal are disposed to contact each other, a metal plating is performed to form a metal coating layer by an electroplating method so that the adhesion is carried out.
Abstract translation: 目的：提供一种使用多孔金属的半导体封装的散热器，通过大大拓宽散热片的电热面积和降低表面上的传热阻力，显着增加散热效率，当三维 网结构附着在散热片上，用作半导体封装的散热片。 构成：多孔金属粘附到用于半导体封装的散热器中的散热块（12）的上端，包括常规的热塞。 多孔金属可以是铜。 在散热块和多孔金属彼此接触之后，进行金属镀以通过电镀方法形成金属涂层，从而进行粘合。
-
公开(公告)号：KR1019990003691A
公开(公告)日：1999-01-15
申请号：KR1019970027619
申请日：1997-06-26
Applicant: 한국과학기술연구원
Abstract: 본 발명은 비소 오염 토양 및 폐기물을 가성소다 수용액을 사용하여 비소 성분을 용출한 다음, 여기에 염화칼슘을 첨가하여 수용액 중의 비소를 칼슘 비소 화합물로 침전시키는 것을 포함하는 비소 오염 토양 및 폐기물로부터 비소를 제거하는 방법에 관한 것이다.
본 발명의 방법을 이용하여 비소 오염 토양 및 폐기물을 처리하는 경우, 초기 함량 기준으로 95 % 이하의 비소를 용출시킬 수 있는 동시에, 수용액 중의 아세네이트를 최대 99.8 % 이하로 제거할 수 있게 된다.
또한, 본 발명의 방법으로 비소 오염 토양 및 폐기물을 처리하는 경우, 종래의 방법에 의한 경우에 비하여 처리 비용을 획기적으로 절감시킬 수 있다는 장점과 함께, 비소 성분을 안전하고 거의 완전히 제거할 수 있게 됨으로써, 비소에 의한 환경 오염을 방지할 수 있게 된다.-
-
公开(公告)号：KR1019970009279B1
公开(公告)日：1997-06-10
申请号：KR1019940016807
申请日：1994-07-13
Applicant: 한국과학기술연구원
IPC: A01G1/00
Abstract: The invention relates to a preparation for nursery bed soil which has enhanced water permeability, water holding ability and proper pH for nursery plants. The preparation comprises the steps of: 1)mixing 20-90wt% of a mineral clay, siliceous earth, having a particle size of below 5mm, 10-50wt% of zeolite and 0-30wt% of bentonite; 2)adding about 0.1-1.5wt% of water-soluble alum or aluminum sulfate to the mixture, so that pH and water content of the bed soil can be 3-7 and 15-50%, respectively; 3) palletizing particles obtained from 2) step at a particle size of below 10mm and agglomerate fine mineral clay.
Abstract translation: 本发明涉及一种育苗床土壤的制备方法，其具有增强的育苗植物的透水性，保水能力和适当的pH值。 该制剂包括以下步骤：1）混合20-90重量％的矿物粘土，硅土，粒度小于5mm，沸石10-50重量％和膨润土0-30重量％的硅土; 2）向混合物中加入约0.1-1.5重量％的水溶性明矾或硫酸铝，使床土的pH和含水量分别为3-7和15-50％; 3）从2）步骤获得的颗粒堆垛粒度小于10mm的颗粒，并且凝聚细矿物粘土。
-
-
-
-
-
-
-
-
-
Search Results
145
records
(took 0.023 seconds)
