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公开(公告)号:KR100834124B1
公开(公告)日:2008-06-03
申请号:KR1020070020264
申请日:2007-02-28
Applicant: 가톨릭관동대학교산학협력단
Abstract: A preparation method of potassium ferrate is provided to obtain potassium ferrate in high yield from chemically pure agents for economical advantage and to reduce the number of solvent cleaning process for higher productivity by employing toluene and ethyl ether for cleaner. A preparation method of potassium ferrate comprises steps of: capturing Cl2 gas which is transformed to OCl- by transmitting Cl2 gas generated from a reaction between potassium permanganate and hydrochloric acid in supersaturated NaOH solution; preparing a suspension comprising excess NaOH solubilized by shaking the NaOH solution; filtering the suspension with vacuum filter to prepare OCl- solution; preparing sodium ferrate solution by adding Fe(NO3)3.H2O while maintaining the temperature of the OCl- solution at 20deg.C; filtering the sodium ferrate solution, and adding the filtrated solution in a supersaturated KOH solution in order to form potassium ferrate particles; filtering the formed potassium ferrate particles; adding the potassium ferrate particles in 3M KOH solution in order to solubilize impurities contained in the potassium ferrate particles; filtering the KOH solution in order to obtain potassium ferrate particles; cleaning the potassium ferrate particles with toluene; cleaning the potassium ferrate particles with alkyl ether; putting the potassium ferrate particles in ethanol and shaking the mixture; and filtering the potassium ferrate particles, in the proviso that all the reagents are chemically pure agents having purity of at least 99.5%. The alkyl ether is selected from ethyl ether, propyl ether and butyl ether.
Abstract translation: 提供高铁酸钾的制备方法,以经济的方式从化学纯的试剂中高产率地获得高铁酸钾,并且通过使用甲苯和乙醚用于清洁剂,可以减少更高生产率的溶剂清洗过程的数量。 高铁酸钾的制备方法包括以下步骤:通过在过饱和NaOH溶液中转移由高锰酸钾和盐酸之间的反应产生的Cl 2气体来捕获转化为OCl-的Cl 2气体; 制备包含通过摇动NaOH溶液而溶解的过量NaOH的悬浮液; 用真空过滤器过滤悬浮液以制备OCl-溶液; 通过加入Fe(NO 3)3·H 2 O,同时将OCl-溶液的温度保持在20℃,制备高铁酸钠溶液; 过滤高铁酸钠溶液,并将过滤的溶液加入过饱和KOH溶液中以形成高铁酸钾颗粒; 过滤形成的高铁酸钾颗粒; 将高铁酸钾颗粒加入到3M KOH溶液中,以溶解含有高铁酸钾颗粒的杂质; 过滤KOH溶液以获得高铁酸钾颗粒; 用甲苯清洗高铁酸钾颗粒; 用烷基醚清洗高铁酸钾颗粒; 将高铁酸钾颗粒置于乙醇中并摇动混合物; 并过滤高铁酸钾颗粒,条件是所有试剂均为纯度至少为99.5%的化学纯试剂。 烷基醚选自乙醚,丙醚和丁醚。
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32.
公开(公告)号:KR101788453B1
公开(公告)日:2017-10-19
申请号:KR1020160043983
申请日:2016-04-11
Applicant: 가톨릭관동대학교산학협력단
Abstract: 본발명은비소(As(V)) 제거용 Fe-Sericite 복합비드및 이를제조하는방법에관한것으로서, 구체적으로본 발명에따른비소(As(V)) 제거용 Fe-Sericite 복합비드는 3 내지 4 mm 범위의평균직경을갖는구 형상으로형성되고, pHPZC는 7.8 내지 8.0이며, X선분광법에의하여측정되는원소들로서, 철(Fe): 6~7 at%, 칼슘(Ca): 3.5~4.0 at%, 염소(Cl): 2~2.5 at%를포함한다. 본발명에따른 Fe-견운모복합비드는 EDX와 XRD 분석결과에나타난바와같이견운모(Sericite)와 Fe이성공적으로결합하였음을알 수있었으며, 이에따라효율적인 As(V)제거가가능하고, 고정상컬럼반응연구에서알 수있는바와같이동적조건에서 As(V)를제거할 수있다. 따라서본 발명에따른 Fe-견운모복합비드는 As(V)로오염된 오염수처리에특히유망하며, 잠재력을가진물질로판단할수 있으며, 기존의비소제거방법에비하여높은제거효율, 간단한조작및 유지, 유연성및 복구가능성등으로상당한이점을보유하고있다.
Abstract translation: 本发明砷(As(V)),以除去Fe基绢云母复合物珠粒,并制造为,非小的Fe-绢云母复合物珠粒的方法去除(当(V))根据本发明具体为3至4 (Fe):6〜7at%,钙(Ca):3.5〜4.0atm,pHPZC为7.8〜8.0,用X射线分光法测定。 %,氯(Cl):2〜2.5原子%。 根据本发明的Fe绢云母复杂珠已发现它具有键合到绢云母(绢云母)及Fe二元公共如图EDX和XRD分析结果,yiettara高效的As(V)去除是可能的,固定床反应R列 由于(V)可以在动态条件下被移除,如图2所示。 根据本发明的这样的Fe-绢云母复杂珠为污染的As(V)的受污染的水处理,可以与具有潜在的物质来确定特别有前途的,高去除效率与以往相比砷的处理方法,易于操作和维护, 灵活性和可恢复性。
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公开(公告)号:KR101579795B1
公开(公告)日:2015-12-24
申请号:KR1020140006602
申请日:2014-01-20
Applicant: 가톨릭관동대학교산학협력단
Abstract: 본발명은고정화된견운모를이용한세슘의제거방법을제공한다. 본발명은증류수에알지네이트나트륨을넣고교반시켜서알지네이트용액을준비하는단계와; 견운모를미세하게분쇄하여체진동기를이용하여분리한다음, 14 ~ 16 메쉬크기로수집하여미립자견운모를준비하는단계와; 상기알지네이트용액에상기미립자견운모를넣고교반시켜서, 알지네이트-견운모결합체를만드는알지네이트-견운모결합체의제조단계와; 염화칼슘용액에상기알지네이트-견운모결합체를주사기구에의해방울방울떨어뜨려서비드모양으로만들어줌과동시에그 형상으로고정화시킨견운모흡착제의고정화단계와; 상기고정화된견운모흡착제비드를별도의염화칼슘용액에투입하여숙성시키고, 숙성시킨비드를필터링한후, 상온에서건조하여고체상의세슘흡착제를제조하는후처리단계; 를포함하고있다. 본발명은상기고체상의세슘흡착제를이용하여세슘오염폐수중에서세슘을효율적으로흡착제거할수 있다.
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公开(公告)号:KR1020140064592A
公开(公告)日:2014-05-28
申请号:KR1020130032250
申请日:2013-03-26
Applicant: 가톨릭관동대학교산학협력단 , 주식회사 카이넬
CPC classification number: G01W1/14 , G01N1/20 , G01N1/2214 , G01N35/00584 , G01N35/08
Abstract: The present invention relates to an automatic sampling and measuring device for rain. The automatic sampling and measuring device for rain comprises a wet measuring part for collecting rain in an installed area, measuring the pH, electric conductivity, and precipitation of the collected rain, and storing the completely measured rain; a dry deposition collecting part for storing air after quantitatively sucking the air in the installed area and filtering dry depositions so as to measure the floating matters and pollutants of the air in the area; a body part in which the wet measuring part and the dry deposition collecting part are installed to protect them from external influences; and a control part for selectively controlling and managing the components of the wet measuring part and the dry deposition collecting part, and storing data measured by the components of the wet measuring part and the dry deposition collecting part.
Abstract translation: 本发明涉及一种雨水自动采样和测量装置。 雨水自动采样和测量装置包括一个用于在安装区域收集雨水的湿测量部件,测量收集的雨水的pH,电导率和降水量,并存储完全测量的雨水; 干燥沉积收集部,用于在定量吸入安装区域中的空气之后存储空气,并过滤干燥沉积物,以便测量该区域中的空气的浮游物质和污染物; 其中安装了湿测量部分和干沉积收集部分以保护它们免受外部影响的主体部分; 以及用于选择性地控制和管理湿测量部件和干沉积收集部件的部件的控制部件,以及存储由湿测量部件和干沉积收集部件的部件测量的数据。
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35.
公开(公告)号:KR101274581B1
公开(公告)日:2013-06-13
申请号:KR1020120008506
申请日:2012-01-27
Applicant: 강릉원주대학교산학협력단 , 가톨릭관동대학교산학협력단
IPC: A61L9/01
CPC classification number: A61L9/01 , A61L2209/21
Abstract: PURPOSE: A manufacturing method of a liquid deodorant is provided to be easily sprayed on a fixed place by being inserted into a sprayer, to be easily carried, and to have quick deodorizing effect. CONSTITUTION: A manufacturing method of a liquid deodorant containing sericite ingredient comprises a step of pulverizing sericite and vermiculite into 4-10 mesh; a step of mixing the sericite and vermiculite, foaming the mixture by heating at 500-700°C for 30-40 minutes, and cooling the same to manufacture a first mixture; a step of manufacturing a second mixture by adding and mixing a citric acid aqueous solution into the first mixture; a step of obtaining a micropowder by pulverizing the second mixture into 1000-2000 mesh; and a step of manufacturing a liquid deodorant by diluting the micropowder in water or ethanol aqueous solution.
Abstract translation: 目的:提供一种液体除臭剂的制造方法,其通过插入喷雾器容易地喷射到固定位置,容易携带并具有快速除臭效果。 构成:含有绢云母成分的液体除臭剂的制造方法包括将绢云母和蛭石粉碎成4-10目的步骤; 混合绢云母和蛭石的步骤,通过在500-700℃加热30-40分钟使混合物发泡,并将其冷却以制备第一混合物; 通过将柠檬酸水溶液加入并混合到第一混合物中制备第二混合物的步骤; 通过将第二混合物粉碎成1000-2000目而获得微粉的步骤; 以及通过在水或乙醇水溶液中稀释微粉来制造液体除臭剂的步骤。
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公开(公告)号:KR101244187B1
公开(公告)日:2013-03-18
申请号:KR1020100056933
申请日:2010-06-16
Applicant: 가톨릭관동대학교산학협력단
Abstract: YAG : Ce 형광체 분말 제조 방법을 제공한다. 본 발명에서는 이트륨, 세륨 및 알루미늄을 포함하는 혼합 수용액을 제조한 다음, 상기 혼합 수용액을 점적법을 이용하여 침전제에 첨가하여 전구체가 생성된 용액을 제조한다. 상기 전구체가 생성된 용액을 숙성(aging)한 후, 이를 여과하여 얻어진 침전물을 증류수로 세척한다. 그 다음, 상기 세척된 침전물을 건조시키고 1000℃ 내지 1300℃의 온도에서 하소한다. 특히 1250℃에서 하소하는 경우 광속과 연색 지수가 높은 YAG : Ce 형광체 분말을 얻을 수 있다.
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公开(公告)号:KR1020120139890A
公开(公告)日:2012-12-28
申请号:KR1020110059423
申请日:2011-06-20
Applicant: 가톨릭관동대학교산학협력단
CPC classification number: B01J20/22 , C02F1/285 , C02F2101/103
Abstract: PURPOSE: A manufacturing method of organic sericite for wastewater treatment is provided to implement manufacturing processes for a short period of time under room temperature. CONSTITUTION: A manufacturing method of organic sericite for wastewater treatment includes the following steps: 0.3-0.5g of tetramethyl ammonium chloride-based synthetic organic materials are dissolved in 1 liter of distilled water; 4g of sericite is added into the dissolved product, and the mixture are stirred for 12 hours under room temperature to obtain a surface treated sericite solution; the surface treated sericite solution is poured onto a filtering medium; surface treated pure sericite is separated; and the sericite is dried to obtain surface treated sericite particles.
Abstract translation: 目的:提供一种用于废水处理的有机绢云母的制造方法,以在室温下短时间内实施制造工艺。 构成:用于废水处理的有机绢云母的制造方法包括以下步骤:将0.3-0.5g四甲基氯化铵基合成有机材料溶解在1升蒸馏水中; 将4g绢云母加入溶解的产物中,将混合物在室温下搅拌12小时,得到表面处理的绢云母溶液; 将表面处理的绢云母溶液倒入过滤介质中; 表面处理纯绢云母分离; 将绢云母干燥,得到表面处理绢云母颗粒。
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公开(公告)号:KR1020110136986A
公开(公告)日:2011-12-22
申请号:KR1020100056933
申请日:2010-06-16
Applicant: 가톨릭관동대학교산학협력단
Abstract: PURPOSE: A producing method of YAG:Ce phosphor powder is provided to apply the powder having excellent color rendering property to a light emitting diode. CONSTITUTION: A producing method of YAG:Ce phosphor powder comprises the following steps: preparing a mixed solution containing yttrium, cerium, and aluminum(S1); producing a solution with a precursor by adding the mixed solution in a precipitation agent using a dripping method(S2); aging the solution with the precursor, filtering the outcome to obtain a precipitate, and washing the precipitate with distilled water(S3); and calcinating the precipitate at 1,000-1,300 deg C(S4).
Abstract translation: 目的:提供YAG:Ce荧光体粉末的制造方法,将具有优异显色性的粉末施加到发光二极管。 构成:YAG:Ce荧光粉的制造方法包括以下步骤:制备含有钇,铈和铝的混合溶液(S1); 使用滴加法(S2),通过将沉淀剂加入到混合溶液中来制造前体溶液。 用前体老化溶液,过滤结果以获得沉淀物,并用蒸馏水洗涤沉淀物(S3); 并在1000-1300℃煅烧沉淀(S4)。
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公开(公告)号:KR100996775B1
公开(公告)日:2010-11-25
申请号:KR1020080057323
申请日:2008-06-18
Applicant: 가톨릭관동대학교산학협력단
Abstract: 저손실 Mg-Zn 페라이트 제조 방법을 제공한다. 본 발명에 따른 Mg-Zn 페라이트 제조 방법에서는, MnO
2 , ZnO, Fe
2 O
3 ,
MgO 및 CuO를 혼합, 성형 및 소결하여 시료 소결체들을 제조하되, MnO
2 , ZnO, Fe
2 O
3 조성비는 그대로 둔 채 MgO 및 CuO 조성비를 달리 하여 시료 소결체들을 제조한다. 그런 다음, 각 시료 소결체에 대해 투자율을 측정한다. 측정한 결과를 바탕으로, 각 시료 소결체의 MgO 대 CuO 조성비에 따른 투자율 변화 그래프를 그린다. 이 그래프에서 투자율 감소의 변화율이 가장 작은 영역의 MgO와 CuO 조성비를 저손실 Mg-Zn 페라이트의 새로운 조성비로 선택한다.-
公开(公告)号:KR1020090022580A
公开(公告)日:2009-03-04
申请号:KR1020070088070
申请日:2007-08-31
Applicant: 가톨릭관동대학교산학협력단
Abstract: A method for manufacturing of a composition for removing boron in seawater is provided to offer a simple process for the compound by performing melting and drying process. A method for manufacturing of a composition for removing boron in seawater comprises the following steps of: fusing cellulose fiber, glycidyl methacrylate, a sodiumn-dodecyl sulfate, 1% of aqueous hydrogen peroxide, and 5% of aqueous thiourea dioxide in distilled water(S100); drying a first compound(S200); fusing the dried compound with a vinyl monomer and an N-methylglucamine in the distilled water(S300); and drying the second compound(S400).
Abstract translation: 提供一种用于制造在海水中除去硼的组合物的方法,以通过进行熔融和干燥处理来提供化合物的简单方法。 一种在海水中除去硼的组合物的制造方法,其特征在于,包括以下步骤:将纤维素纤维,甲基丙烯酸缩水甘油酯,十二烷基硫酸钠,1%过氧化氢水溶液和5%的二氧化硫脲水溶液蒸馏水(S100 ); 干燥第一化合物(S200); 将干燥的化合物与乙烯基单体和N-甲基葡糖胺在蒸馏水中融合(S300); 并干燥第二化合物(S400)。
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