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1. 发明公开

KR1020120089515A 염수로부터 경제적으로 고순도의 인산리튬을 추출하는 방법 有权
标题翻译：从高纯度提取经济型磷酸锂的方法
公开(公告)号：KR1020120089515A
公开(公告)日：2012-08-13
申请号：KR1020100127633
申请日：2010-12-14
申请人： 재단법인 포항산업과학연구원
发明人： 전웅 , 김기홍 , 송창호 , 한기천 , 김기영
IPC分类号： C01B25/30 , B01D61/44 , B01D21/01 , C01D15/00
CPC分类号： C01B25/081 , B01D21/00 , B01D61/46 , C01D15/00
摘要： PURPOSE: A method for extracting lithium phosphate of high purity from brine is provided to efficiently extract lithium without the evaporation and the concentration of brine. CONSTITUTION: A method for extracting lithium phosphate of high purity from brine includes the following: lithium contained in brine is separated by implementing an electrodialysis device equipped with a monovalent cation exchanging membrane; phosphoric acid or phosphate compounds are introduced into filtrate which is obtained from the lithium separation, and the filtrate is heated to settle lithium into lithium phosphate; and the settled lithium phosphate is filtered form the filtrate, and the separated lithium phosphate is collected.
摘要翻译：目的：提供从盐水中提取高纯度磷酸锂的方法，以有效提取锂，而不会蒸发和盐水浓度。构成：从盐水中提取高纯度的磷酸锂的方法包括：通过实施配备有一价阳离子交换膜的电渗析装置分离盐水中所含的锂; 将磷酸或磷酸盐化合物引入从锂分离得到的滤液中，加热滤液以将锂沉积成磷酸锂; 从滤液中过滤沉淀的磷酸锂，收集分离的磷酸锂。

2. 发明公开

KR1020130117969A 인 회수 장치 및 방법 有权
标题翻译：从废水中恢复磷酸的装置和方法
公开(公告)号：KR1020130117969A
公开(公告)日：2013-10-29
申请号：KR1020120040764
申请日：2012-04-19
申请人： 주식회사 한화건설
发明人： 이태우 , 허형우 , 박승국 , 김윤석 , 신경숙 , 박정수 , 이정철 , 임동석
IPC分类号： C01B25/04 , B01J19/08 , B01D15/08
CPC分类号： C01B25/04 , B01J20/04 , B01J20/34 , C01B25/081
摘要： PURPOSE: A phosphorus recovery system and a method are provided to include a magnetic field generating part and improve the efficiency of a calcium absorber which is a low cost without the continuous input of coagulants, thereby being environment-friendly and economical. CONSTITUTION: A phosphorus recovery system (1000) comprises: a reaction bath (110) which includes a space part in order to accommodate an absorber (140) in the inner space; an influx unit (120) which is formed in one side of the reaction bath; an absorbing body (100) including an exhausting part (130) which is formed in the other side of the reaction bath; and a magnetic field generating part (200) which is equipped in the circumference of the absorbing body. A phosphorus recovering method comprises: a melt-flow step which flows in sewage to the absorbing body through an inlet tube (300); an absorbing step in which the phosphorus of the sewage flowed in through the inlet tube is absorbed to the absorber of the absorbing body; and an evacuation step in which the sewage passing through the absorbing body is discharged through a discharge pipe (400).
摘要翻译：目的：提供磷回收系统和方法以包括磁场产生部分，并且提高低吸收剂的效率，而不需要连续输入凝结剂，从而环境友好且经济。构成：磷回收系统（1000）包括：反应槽（110），其包括空间部分以便在内部空间中容纳吸收体（140）; 在反应槽的一侧形成的流入单元（120）吸收体（100），其包括形成在所述反应槽的另一侧的排气部（130）以及设置在吸收体的周围的磁场产生部（200）。磷回收方法包括：通过入口管（300）将污水流入吸收体的熔体流动步骤; 吸收步骤，其中通过入口管流入的污水的磷被吸收到吸收体的吸收体; 以及通过吸收体的污水通过排出管（400）排出的抽空步骤。

3. 发明公开

KR1020120063424A 염수로부터 고순도의 인산리튬 추출 방법 有权
标题翻译：从纯碱提取高纯度磷酸锂的方法
公开(公告)号：KR1020120063424A
公开(公告)日：2012-06-15
申请号：KR1020110067920
申请日：2011-07-08
申请人： 재단법인 포항산업과학연구원
发明人： 전웅 , 권오준 , 손진군 , 김기홍 , 송창호 , 한기천 , 김기영
IPC分类号： C01B25/30 , C01D15/00 , B01D21/02 , H01M4/58
CPC分类号： C01B25/081 , B01D21/01 , C01D15/00 , H01M4/5805
摘要： PURPOSE: A method for extracting lithium phosphate of high purity from brine is provided to cost effectively extract lithium from the brine without the evaporation and the concentration of the brine. CONSTITUTION: Hydroxide anions are introduced into brine to precipitate and eliminate impurities containing magnesium, boron, or calcium from the brine. A phosphorus supplying material is introduced into remaining liquid to precipitate lithium from the brine as lithium phosphate at a temperature higher than the room temperature. The hydroxide anions are the anions of sodium hydroxide. A method for eliminating the impurities includes the following: the hydroxide anions are introduced into the brine to obtain magnesium hydroxide; boron is absorbed with the magnesium hydroxide to co-precipitate magnesium and boron to collect the co-precipitated magnesium and boron; and the pH value of the remaining liquid is kept to be more than or equal to 12 to precipitate calcium.
摘要翻译：目的：提供从盐水中提取高纯度磷酸锂的方法，以便从盐水中成本有效地提取锂，而不会蒸发和盐水的浓度。构成：将氢氧化物阴离子引入盐水中以从盐水中沉淀并除去含有镁，硼或钙的杂质。将磷供应材料引入剩余的液体中以在高于室温的温度下从磷酸锂中从盐水中析出锂。氢氧化物阴离子是氢氧化钠的阴离子。消除杂质的方法包括：将氢氧根阴离子引入盐水中以获得氢氧化镁; 硼与氢氧化镁一起吸收，共沉淀镁和硼，以收集共沉淀的镁和硼; 将剩余液体的pH值保持在12以上，使钙析出。

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