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    • 1. 发明公开
    • 수산화리튬의 제조 방법 및 이를 이용한 탄산리튬의 제조 방법
    • 使用氢氧化锂的方法和使用其制造碳酸氢钠的方法
    • KR1020130113287A
    • 2013-10-15
    • KR1020120035742
    • 2012-04-05
    • 주식회사 포스코재단법인 포항산업과학연구원주식회사 엠플라이
    • 전웅김기영한기천송창호정소라이임창
    • C01D15/02C01D15/08B01J19/24
    • C01D15/08B01J4/002B01J19/18B01J2219/185B01J2219/1946C01D15/02
    • PURPOSE: A manufacturing method of the lithium hydroxide is provided to economically extract lithium with the high collection rate without evaporation and concentration process of the salty water for the long time by using phosphoric acid anion precipitant after extracting a lithium phosphate which has a low solubility from lithium which is dissolved in the salty water. CONSTITUTION: A manufacturing method of a lithium hydroxide comprises the following steps: lithium phosphate aqueous solution which includes the particle of lithium phosphate is prepared; a phosphoric acid anion precipitant is inserted in the lithium phosphate aqueous solution; a refractory phosphate compound is precipitated with the reaction of a cation of the phosphoric acid anion precipitant and an anion of the phosphoric acid of the lithium phosphate. The solubility of the refractory phosphate compound to the water is lower than the lithium phosphate. The cation of the phosphoric acid anion precipitant is calcium, strontium, barium, radium, beryllium, magnesium or a combination thereof. The phosphoric acid anion precipitant is the calcium hydroxide. The refractory phosphate compound is hydroxyapatite. The amount of added phosphoric acid anion precipitant is more than1 equivalent base on the content of the lithium phosphate aqueous solution inside lithium phosphate. [Reference numerals] (AA) Lithium concentration in solution (g/L); (BB) Example; (CC) Comparative example; (DD) Time (hr)
    • 目的:提供氢氧化锂的制造方法,在提取具有低溶解度的磷酸锂之后,通过使用磷酸阴离子沉淀剂,以高收集率经济地提取锂,而不用蒸发和浓缩过程中的咸水长时间 溶解在咸水中的锂。 构成:氢氧化锂的制造方法包括以下步骤:制备包含磷酸锂颗粒的磷酸锂水溶液; 将磷酸阴离子沉淀剂插入磷酸锂水溶液中; 通过磷酸阴离子沉淀剂的阳离子和磷酸锂的磷酸的阴离子的反应使难熔磷酸盐化合物沉淀。 难溶磷酸盐化合物对水的溶解度低于磷酸锂。 磷酸阴离子沉淀剂的阳离子是钙,锶,钡,镭,铍,镁或它们的组合。 磷酸阴离子沉淀剂是氢氧化钙。 耐火磷酸盐化合物是羟基磷灰石。 添加磷酸阴离子沉淀剂的量基于磷酸锂内磷酸锂水溶液的含量大于1当量。 (AA)溶液中的锂浓度(g / L); (BB)示例; (CC)比较例; (DD)时间(小时)
    • 5. 发明公开
    • 칼륨 화합물 제조 장치
    • 制造钾肥化合物的装置
    • KR1020150015630A
    • 2015-02-11
    • KR1020130090983
    • 2013-07-31
    • 주식회사 포스코재단법인 포항산업과학연구원주식회사 엠플라이
    • 전웅김기영한기천박운경이임창
    • B01J19/18C01D3/04C01D5/16
    • B01J19/18C01D3/04C01D5/16
    • 칼륨 화합물 제조 장치에 관한 것으로, 염수에서 리튬, 마그네슘, 및 칼슘을 추출한 후 얻어진 혼합 원료염을 분리 및 선별이 용이한 입도로 가공하기 위한 파쇄부, 분쇄부, 및 입도 분리부를 포함하는 연속식 전처리 장치; 상기 전처리된 혼합 원료염으로부터 칼륨 화합물을 연속하여 분리 회수하는 연속식 칼륨 화합물 일괄 회수 장치; 상기 회수된 칼륨 화합물로부터 염화 칼륨과 그라셀라이트(Na
      2 SO
      4 ·3K
      2 SO
      4 )를 연속 분리 선별하는 연속식 칼륨 화합물 분리 선별 장치; 및 상기 분리된 그라셀라이트로부터 황산 칼륨을 추출하는 연속식 황산 칼륨 변환 장치;를 포함하는 칼륨 화합물 제조 장치를 제공할 수 있다.
    • 本发明涉及一种用于制造钾化合物的设备,包括:连续预处理器,其包括破碎部分,粉碎部分和用于处理从盐水中提取锂,镁和钙后获得的混合生盐的分级和分离部分 以便于分离和选择; 连续的钾化合物收集装置,从预处理的混合原料盐中连续分离和收集钾化合物; 从收集的钾化合物中连续分离并选择KCl和Na_2SO_4·3K_2SO_4的连续钾化合物分离选择装置; 和从Na_2SO_4·3K_2SO_4中提取K_2SO_4的连续硫酸钾转化装置。
    • 10. 发明公开
    • 리튬 함유 용액 내 용존 물질의 추출 방법 및 이를 이용한 시스템
    • 提取锂离子液体溶解物质的方法及其使用方法
    • KR1020130081158A
    • 2013-07-16
    • KR1020120002183
    • 2012-01-06
    • 재단법인 포항산업과학연구원주식회사 포스코
    • 전웅김기영한기천이임창박운경장영석정기억송창호김대하
    • C01D15/00C01D15/08B01J8/20H01M10/052
    • C01F11/18C01B25/30C01B35/125C01D15/08C01F5/24C25B1/16
    • PURPOSE: A method for extracting dissolved substances from a solution containing lithium and a system based on the method are provided to cost effectively extract metal or metalloid compounds of high purity from a solution (salty water) containing lithium by carbonating calcium and magnesium cations in the solution and extracting lithium phosphate using a phosphorus supplying material. CONSTITUTION: A method for extracting dissolved substances from a solution containing lithium includes the steps: separating calcium cations from a solution containing lithium; separating magnesium cations from the solution without calcium cations; extracting sodium chloride by naturally evaporating the solution without calcium and magnesium cations; and precipitating lithium cations in the solution without the calcium and magnesium cations into lithium phosphate by supplying a phosphorus supplying material into the solution without the calcium and magnesium cations. A system for extracting dissolved substances from a solution containing lithium includes a first, second, and third separating unit, and an evaporating unit. The first separating unit extracts calcium cations from the solution. The second separating unit extracts magnesium cations in a filtrate from the first separating unit. The evaporating unit naturally evaporates a filtrate from the second separating unit. The third separating unit extracts lithium phosphate by precipitating lithium cations in the filtrate which is concentrated by the evaporating unit.
    • 目的:提供一种基于该方法从含锂的溶液和系统中提取溶解物质的方法,以经济有效地从含有锂的溶液(咸水)中提取高纯度的金属或准金属化合物,方法是将钙和镁阳离子碳酸化 溶液,并使用磷供应材料提取磷酸锂。 构成:从含有锂的溶液中提取溶解物质的方法包括以下步骤:从含有锂的溶液中分离出钙阳离子; 从没有钙阳离子的溶液中分离镁阳离子; 通过自然地蒸发不含钙和镁阳离子的溶液来提取氯化钠; 并将不含钙和镁阳离子的溶液中的锂阳离子沉淀成磷酸锂,将磷供应材料供给到不含钙和镁阳离子的溶液中。 从含有锂的溶液中提取溶解物质的系统包括第一,第二和第三分离单元和蒸发单元。 第一分离单元从溶液中提取钙阳离子。 第二分离单元从第一分离单元提取滤液中的镁阳离子。 蒸发单元自然地从第二分离单元蒸发滤液。 第三分离单元通过在蒸发单元浓缩的滤液中沉淀锂阳离子来提取磷酸锂。