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公开(公告)号：KR100991597B1
公开(公告)日：2010-11-04
申请号：KR1020100063779
申请日：2010-07-02
Applicant: 서울대학교산학협력단
Abstract: PURPOSE: A method for measuring soil contamination by environmental factor is provided to predict toxicity of soil based on the concentration of heavy metal. CONSTITUTION: A method for measuring soil contamination comprises: a step of collecting and drying sample from soil; a step of mixing the dried sample with metal salt compound solution to prepare mixture solution; a step of filtering the mixture solution to separate particle and solution; a step of measuring ion concentration; a step of collecting toxicity by heavy metal; and a step of calculating CEC50 value of the heavy metal atoms.
Abstract translation: 目的：提供一种根据环境因素测量土壤污染的方法，以根据重金属的浓度预测土壤的毒性。 构成：测量土壤污染的方法包括：从土壤中收集和干燥样品的步骤; 将干燥的样品与金属盐化合物溶液混合以制备混合溶液的步骤; 过滤混合溶液以分离颗粒和溶液的步骤; 测量离子浓度的步骤; 重金属收集毒性的一个步骤; 并计算重金属原子的CEC50值的步骤。
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Patent Agency Ranking
公开(公告)号：KR101444189B1
公开(公告)日：2014-10-16
申请号：KR1020130016285
申请日：2013-02-15
Applicant: 서울대학교산학협력단
CPC classification number: H01M4/139 , H01M4/364 , H01M4/5825 , H01M4/587 , H01M10/054
Abstract: 본 발명은 나트륨 이차전지용 음극활물질, 이를 이용한 전극 및 이를 포함한 나트륨 이차전지에 관한 것이다. 본 발명의 나트륨 이차전지용 음극활물질은 인-탄소 복합체를 포함하여 이루어지고, 상기 인-탄소 복합체에서 인은 적린, 흑린, 백린 또는 황린 중 적어도 하나인 것을 특징으로 하며, 이는 나트륨과의 반응성을 높여 무게당 가역용량이 크고, 충방전 전압이 낮은 나트륨 이차전지의 구현이 가능하다.
Abstract translation: 本发明涉及钠二次电池用负极活性物质，使用该二次电池的负极活性物质和包含该二次电池的钠二次电池。 本发明的钠二次电池用负极活性物质的特征在于，含有磷 - 碳复合体，其中，磷 - 碳复合物为红磷，黑磷，白磷，黄磷中的至少一种。
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公开(公告)号：KR1020140103376A
公开(公告)日：2014-08-27
申请号：KR1020130016285
申请日：2013-02-15
Applicant: 서울대학교산학협력단
CPC classification number: H01M4/139 , H01M4/364 , H01M4/5825 , H01M4/587 , H01M10/054
Abstract: The present invention relates to a negative electrode active material for a sodium secondary battery, an electrode using the same, and the sodium secondary battery including the same. The negative electrode active material for the sodium secondary battery according to the present invention comprises a phosphorus-carbon composite, wherein phosphorus in the phosphorus-carbon composite is at least one among red phosphorus, black phosphorus, white phosphorus, and yellow phosphorus. The present invention can realize the sodium secondary battery having increased reactivity with sodium, thereby having a high reversible capacity per weight and a low charging and discharging voltage.
Abstract translation: 本发明涉及钠二次电池用负极活性物质，使用该负极活性物质的钠电池和包含该二次电池的钠二次电池。 本发明的钠二次电池用负极活性物质包含磷 - 碳复合物，其中磷 - 碳复合物中的磷至少是红磷，黑磷，白磷和黄磷中的一种。 本发明可以实现与钠的反应性增加的钠二次电池，从而具有高的每重量的可逆容量和低的充放电电压。
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公开(公告)号：KR101082166B1
公开(公告)日：2011-11-09
申请号：KR1020090039780
申请日：2009-05-07
Applicant: 주식회사 포스코엔지니어링 , 서울대학교산학협력단
IPC: C02F1/28 , C02F1/66 , C02F101/20 , C02F103/06
Abstract: 또한, 오염물질제거능력이저하되지않는범위내에서그 단가가높은영가철의혼합비를최소화함으로써투수성반응벽체의제조비용을한층더 절감할수 있다는장점이있다.
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公开(公告)号：KR101033023B1
公开(公告)日：2011-05-09
申请号：KR1020100085637
申请日：2010-09-01
Applicant: 주식회사 한라 , 서울대학교산학협력단 , (주)큐엔솔루션
Abstract: PURPOSE: A method and a system for processing contaminated deposit soil are provided to efficiently process the contaminated deposit soil and minimizing the burying amount of spoil soil. CONSTITUTION: Contaminated soil is classified from spoil soil(S100). The contaminated soil is mixed with processing water, and chemical and additional materials are introduced into the contaminated soil(S200). Metal materials are separated from the mixture of the contaminated soil and the water. Organic materials are oxidized(S300). Spoil soil and the processing water are processed(S400).
Abstract translation: 目的：提供一种处理污染沉积物土壤的方法和系统，以有效地处理污染的沉积物，并最大限度地减少弃土的埋藏量。 构成：污染土壤分类为破土（S100）。 受污染的土壤与加工水混合，化学和其他材料被引入污染土壤（S200）。 金属材料与污染土壤和水的混合物分离。 有机材料被氧化（S300）。 处理污水和加工水（S400）。
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公开(公告)号：KR1020110008515A
公开(公告)日：2011-01-27
申请号：KR1020090065896
申请日：2009-07-20
Applicant: 서울대학교산학협력단
Abstract: PURPOSE: A polluted dredging sediment stabilization method for securing stability with the degradation of the liquidity of contaminant is provided to stabilize the dredged soil with the adsorption of the heavy metal by adding the adsorption of adsorption strength. CONSTITUTION: A heavy metal density of a dredged pollutant and sedimentary soil is measured. The concentration of adsorbent obtains with experiment according to the measured heavy metal density. The adsorbent is mixed in the dredged soil according to the optimal concentration of adsorbent. The heavy metal is cadmium. The adsorbent is birnessite or apatite. The dredged soil compared to dry weight per cadmium 100ppm and polluted soil 1kg mixes with the burr site.
Abstract translation: 目的：提供污染疏浚沉渣稳定方法，确保污染物流动性降低的稳定性，通过吸附吸附强度吸附重金属来稳定疏浚土壤。 规定：测量疏浚污染物和沉积土壤的重金属密度。 吸附剂的浓度根据测得的重金属密度与实验得到。 吸附剂根据吸附剂的最佳浓度在疏浚土壤中混合。 重金属是镉。 吸附剂是双磷矿或磷灰石。 疏浚土壤相对于镉100ppm的干重和污染土壤1kg与毛刺部位混合。
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