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公开(公告)号：WO2019022317A1
公开(公告)日：2019-01-31
申请号：PCT/KR2017/015158
申请日：2017-12-20
Applicant: 재단법인 포항산업과학연구원
IPC: C01F11/18
CPC classification number: C01F11/18
Abstract: 본 발명은 해수담수화 공정 등을 통해 발생한 해수농축수를 이용하여 고순도의 탄산스트론튬을 제조하는 방법에 관한 것으로서, 해수에 알칼리제를 투입하여 마그네슘 이온을 수산화마그네슘으로 침전시켜 제거하는 마그네슘 이온 제거 단계, 상기 마그네슘 이온이 제거된 해수에 옥살산(H 2 C 2 O 4 )을 투입하여 칼슘 이온을 칼슘옥살레이트로 침전시켜 제거하는 칼슘이온 제거 단계, 상기 칼슘 이온이 제거된 해수에 알칼리제를 투입하여 pH를 5 내지 7로 조정하는 pH 조정 단계, 상기 pH 조정된 해수를 농축하여 스트론튬 농축 해수를 얻는 농축 단계 및 상기 칼슘이 제거된 용액에 탄산스트론튬에 비하여 용해도가 높은 탄산염을 투입하여 용액 중의 스트론튬 이온을 탄산스트론튬으로 침전하여 회수하는 단계를 포함하는 해수로부터 탄산스트론튬을 제조하는 방법을 제공한다.
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公开(公告)号：KR1020130074404A
公开(公告)日：2013-07-04
申请号：KR1020110142461
申请日：2011-12-26
Applicant: 재단법인 포항산업과학연구원
IPC: C04B35/581 , C02F1/28 , C04B35/64
CPC classification number: C04B35/58 , C02F1/281 , C04B35/64 , C04B2235/3852
Abstract: PURPOSE: A manufacturing method of magnesium-aluminum bimetallic oxide for removing boron is provided to use an optimal ratio of magnesium nitrate and aluminium nitrate, thereby synthesizing Mg-Al bimetallic oxide with high de-boronation efficiency. CONSTITUTION: A manufacturing method of magnesium-aluminum bimetallic oxide for removing boron comprises following steps. (i) The caustic soda is added in the mixture of aluminium nitrate and magnesium nitrate. The mixture is heated and dried. Precipitation is obtained. And (ii) the precipitate is baked. The molar ratio of the aluminium nitrate and magnesium nitrate is 2:1. The temperature of the baking step is 60 to 400°C. [Reference numerals] (AA) 0.1M Mg(NO3)2 + 0.05M AI(NO3)3 fluid; (BB) Heating at 45°C; (CC) Curing for two hours at 85°C; (DD) Centrifugation/ cleaning; (EE) Drying; (FF) Calcinating
Abstract translation: 目的：提供用于除去硼的镁 - 铝双金属氧化物的制造方法，以使用硝酸镁和硝酸铝的最佳比例，从而合成具有高脱硼效率的Mg-Al双金属氧化物。 构成：用于除去硼的镁 - 铝双金属氧化物的制造方法包括以下步骤。 （i）将苛性钠加入到硝酸铝和硝酸镁的混合物中。 将混合物加热并干燥。 获得沉淀。 和（ii）沉淀物被烘烤。 硝酸铝和硝酸镁的摩尔比为2:1。 烘烤步骤的温度为60〜400℃。 （标号）（AA）0.1M Mg（NO 3）2 + 0.05M AI（NO 3）3流体; （BB）在45℃加热; （CC）在85℃下固化2小时; （DD）离心/清洗; （EE）干燥; （FF）煅烧
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公开(公告)号：KR1020110075384A
公开(公告)日：2011-07-06
申请号：KR1020090131825
申请日：2009-12-28
Applicant: 재단법인 포항산업과학연구원
IPC: C02F1/04 , B01D1/00 , C02F103/08
Abstract: PURPOSE: An efficient seawater using method for industrials processes is provided to recycle heat from wasted exhaust gas and cost-effectively implement a desalinating process based on recycled heat source. CONSTITUTION: Coolant(11) at high temperature undergoes an indirect heat-exchanging process with respect to seawater at low temperature. The temperature of the seawater is raised. The wasted exhaust gas(21) is cooled using the seawater at raised temperature. The temperature seawater is further raised. The seawater at raised temperature is used as heat source for a desalinating process. Concentrated water(32) is discharged from the desalinating process.
Abstract translation: 目的：提供一种有效的海水使用工业方法，用于回收废气中的热量，并经济有效地实施基于回收热源的脱盐过程。 构成：高温冷却液（11）在低温下对海水进行间接热交换。 海水温度升高。 废弃废气（21）在升高的温度下使用海水进行冷却。 温度海水进一步升高。 升温过程中的海水被用作脱盐过程的热源。 浓缩水（32）从脱盐过程中排出。
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公开(公告)号：KR1020040056936A
公开(公告)日：2004-07-01
申请号：KR1020020083676
申请日：2002-12-24
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
IPC: C23F11/04
CPC classification number: C23F11/18 , C02F1/5236
Abstract: PURPOSE: A method for inhibiting corrosion of special steel manufacturing process facility by recycling wastewater containing hexavalent chrome generated in the special steel manufacturing process as cooling water is provided. CONSTITUTION: The method comprises a step of removing solid particle constituents having a particle diameter of 50 μm or more by coagulating, precipitating and filtering wastewater containing hexavalent chrome discharged from the special steel manufacturing process using coagulant; and mixing the solid particle removed wastewater containing hexavalent chrome with cooling water of the special steel manufacturing process so that the mixed cooling water contains 1 to 4 ppm of hexavalent chrome constituent, thereby giving anti-corrosion power to the cooling water, wherein the wastewater containing hexavalent chrome is discharged from the manufacturing process of electrical steel sheet, tin plate or stainless steel, wherein aluminum sulfate as the coagulant is injected to a concentration of 5 to 30 ppm into the wastewater, and wherein the solid particle constituents have a particle diameter of 50 to 400 μm.
Abstract translation: 目的：提供一种通过回收特殊钢制造过程中产生的含六价铬的废水作为冷却水来抑制特种钢制造工艺设备腐蚀的方法。 方案：该方法包括通过使用凝结剂凝结，沉淀和过滤从特殊钢制造过程中排出的含六价铬的废水来除去粒径为50μm以上的固体颗粒组分的步骤; 将含有六价铬的固体颗粒除去的废水与特殊钢制造工艺的冷却水混合，使得混合冷却水含有1〜4ppm的六价铬成分，从而对冷却水提供防腐蚀功能，其中含有 六价铬从电工钢板，锡板或不锈钢的制造过程中排出，其中作为凝结剂的硫酸铝以5〜30ppm的浓度注入废水中，其中固体颗粒成分的粒径为 50〜400μm。
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公开(公告)号：KR1020030053260A
公开(公告)日：2003-06-28
申请号：KR1020010083436
申请日：2001-12-22
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
IPC: C02F1/50
Abstract: PURPOSE: An algal bloom treatment method is provided to eliminate algae regardless of the species in settlement tank so that the plant solves the secondary problem such as a clogging and a malodor. CONSTITUTION: The algal bloom treatment method comprises a process which doses chlorine before the grit chamber, and a process which keeps sludge blanket including powdery activated carbon in the settlement tank.
Abstract translation: 目的：提供藻类开花处理方法，无论沉降池中的物种如何，都能消除藻类，从而解决了二次问题，如堵塞和恶臭。 构成：藻类开花处理方法包括在砂砾室前施用氯剂的方法，以及在沉淀池中保持包含粉末状活性炭的污泥层的方法。
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Patent Agency Ranking
公开(公告)号：KR1020020016146A
公开(公告)日：2002-03-04
申请号：KR1020000049305
申请日：2000-08-24
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
IPC: C02F9/04
Abstract: PURPOSE: Provided is a treatment method for cooling water in recirculating cooling water system, which is to inject microorganism germicide and improved coagulants into the fore part of a settling tank and a corrosion inhibiting agent into the fore part of a cooling tower. CONSTITUTION: The cooling system comprises a cooling tower(1), the fore part of a settling tank(2), the settling tank(3), a filter(4) and the fore part of the cooling tower(5). The treatment method for cooling water proceeds to the following steps: a) injecting of the mixture of alum and polymers into the fore part of the settling tank(2); b) simultaneous injection of microorganism germicide to the fore part of the settling tank(2); and c) injection of a corrosion inhibiting agent into the fore part of the cooling tower(5).
Abstract translation: 目的：提供循环冷却水系统中的冷却水的处理方法，其将微生物杀菌剂和改进的凝结剂注入到冷却塔前部的沉淀池和腐蚀抑制剂的前部。 构成：冷却系统包括冷却塔（1），沉淀池（2）的前部，沉淀池（3），过滤器（4）和冷却塔（5）的前部。 冷却水的处理方法进行如下步骤：a）将明矾和聚合物的混合物注入沉淀池（2）的前部; b）将微生物杀菌剂同时注入沉淀池（2）的前部; 和c）将腐蚀抑制剂注入冷却塔（5）的前部。
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公开(公告)号：KR1020170067034A
公开(公告)日：2017-06-15
申请号：KR1020150173404
申请日：2015-12-07
Applicant: 재단법인 포항산업과학연구원
IPC: C02F1/44 , B01D61/02 , B01D61/08 , B01D61/10 , C02F103/08
CPC classification number: Y02A20/131 , Y02A20/144
Abstract: 해수담수화장치를제공한다. 본발명에따르면, 심해의바다속에설치되고, 그일단부에형성된해수가유입되는해수유입부를갖고상기해수유입부를제외한부분을감싸는형태로형성되어바다속압력을견딜수 있는압력용기, 및상기압력용기내에복수개설치되고, 상기해수유입부로부터해수를유입하여고농도인농축수와생산수를분리하는해수용역삼투막을포함한다.
Abstract translation: 从而提供海水淡化装置。 根据本发明，被安装在海中，在深的水，和一端具有它在周围海水入口被形成为一定的形状以承受海压力的压力容器中的部分的部分的例外入口的部件号形成的水流入的部分，并且压力容器 被安装在多个，海水从海水入口流入包括反渗透膜分离，以适应的浓缩水并生产高浓度的数量。
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公开(公告)号：KR1020160078793A
公开(公告)日：2016-07-05
申请号：KR1020140188989
申请日：2014-12-24
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
Abstract: 본발명은페놀을포함한폐수에 2가철염및 과산화수소를첨가하는산화분해단계; 상기산화분해단계의결과물의 pH를를 6.8 내지 8.5로조정하는단계를포함한응집침전단계; 및상기응집침전단계의결과물을고액분리하는단계;를포함하는페놀을포함한폐수의처리방법에관한것이다.
Abstract translation: 本发明涉及一种能够有效去除苯酚和各种污染物的含苯酚废水的处理方法，其特征在于，包括：将含有二价亚铁盐和过氧化物的二氧化亚铁和过氧化物加入含酚的氧化分解步骤; 将氧化分解步骤的所得材料的pH调节至6.8-8.5的凝结沉淀步骤; 以及将所得凝结沉淀步骤的材料进行固液分离的步骤。
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公开(公告)号：KR101072435B1
公开(公告)日：2011-10-11
申请号：KR1020090019978
申请日：2009-03-09
Applicant: 재단법인 포항산업과학연구원 , 국민대학교산학협력단
IPC: C23F11/167 , C02F5/00 , C02F1/44 , C02F103/08
CPC classification number: Y02A20/131
Abstract: 본발명에따르면, 해수담수화플랜트의배관및 설비부식으로인한설비의수명단축및 배관의교체비용을최소화할수 있을뿐만아니라수질을향상시켜안정적인산업용수및 담수를공급할수 있다.
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公开(公告)号：KR100770177B1
公开(公告)日：2007-10-25
申请号：KR1020010083436
申请日：2001-12-22
Applicant: 주식회사 포스코 , 재단법인 포항산업과학연구원
IPC: C02F1/50
Abstract: 본 발명은 정수처리시스템에서의 조류 처리방법에 관한 것으로, 보다 상세하게는 정수 원수를 침사지, 강제침전조 및 여과지를 순차적으로 통과시키는 정수처리시스템에 있어서, 침사지 전단에 염소를 투입하고, 강제침전지에 분말활성탄을 포함하는 슬러지층을 유지되게 하는 것을 특징으로 하는 정수처리시스템에서의 조류 처리방법에 관한 것이다.
본 발명의 조류 처리방법에 의하면 강제침전지 방식을 수용하는 정수장에서 조류에 의한 여과사 막힘 및 악취발생과 같은 이차오염 없이 경제적으로 처리할 수 있다.
조류제거, 정수처리, 염소, 분말활성탄, 강제침전지, 슬러지층
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