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1. 发明公开

KR1020100071274A 스케일을 감소시키는 산세용액 공급 시스템 失效
标题翻译：用于降低规模的抽吸液体供应系统
公开(公告)号：KR1020100071274A
公开(公告)日：2010-06-29
申请号：KR1020080129928
申请日：2008-12-19
申请人： 주식회사 포스코 , 재단법인 포항산업과학연구원
发明人： 최상교
IPC分类号： C23G3/02 , C23G1/02
CPC分类号： C23G3/025 , C23G3/026 , C23G3/04
摘要： PURPOSE: An acid solution supply system for reducing scales is provided to prevent the scales by minimizing the changing of flow of acid solution. CONSTITUTION: An acid solution supply system for reducing scales comprises an acid solution tank(102), a connection pipe(103), a pump(104), and an air feeder(105). The acid solution is saved in the acid solution tank. The connection pipe connects the pickling tank and acid solution tank. The acid solution moves through the connection pipe. The pump transfers the acid solution saved in the acid solution tank to the pickling tank. The air feeder supplies the 0.1~10 weight% air about the volume of the acid solution moving to the connection pipe.
摘要翻译：目的：提供减少垢的酸性溶液供应系统，通过最小化酸溶液流动的变化来防止垢。构成：用于还原垢的酸溶液供应系统包括酸溶液罐（102），连接管（103），泵（104）和送风器（105）。酸溶液储存在酸性溶液罐中。连接管连接酸洗槽和酸槽。酸溶液通过连接管移动。泵将酸性溶液罐中储存的酸溶液转移到酸洗槽。空气进料器提供0.1〜10重量％的空气，以便将酸性溶液的体积移动到连接管。

2. 发明公开

KR1020100071260A 스테인리스강의 혼합산 산세 용액의 유리산 농도 분석 방법 有权
标题翻译：用于不锈钢的混合酸溶液中的自由酸的分析方法
公开(公告)号：KR1020100071260A
公开(公告)日：2010-06-29
申请号：KR1020080129913
申请日：2008-12-19
申请人： 주식회사 포스코 , 재단법인 포항산업과학연구원
发明人： 최상교
IPC分类号： G01N27/06 , G01N27/00
摘要： PURPOSE: A method of analyzing the free-acid concentration of the mixed-acid pickling solution for stainless steel is provided to enhance task efficiency by enabling analysis by an unskilled person by enabling precise the management of pickling solution for stainless steel. CONSTITUTION: A method of analyzing the free-acid concentration of the mixed-acid pickling solution for stainless steel is as follows. The mixed acid is diluted. The first electric conductivity and the temperature of the diluted mixed acid are measured. An additive including Fe3 is added to the diluted mixed acid. The second conductivity of the mixed acid to which the additive is added is measured. A third conductivity is calculated by compensating the first electric conductivity at the measured temperature with the electric conductivity at a reference temperature. A fourth conductivity is calculated by compensating the second electric conductivity at the measured temperature with the electric conductivity at a reference temperature.
摘要翻译：目的：提供分析不锈钢混酸酸溶液的游离酸浓度的方法，通过对不锈钢酸洗液进行精确管理，使不熟练人员进行分析，提高任务效率。构成：分析不锈钢混酸酸溶液的游离酸浓度的方法如下。混合酸稀释。测量第一导电率和稀释混合酸的温度。将包含Fe 3的添加剂加入到稀释的混合酸中。测量加入添加剂的混合酸的第二电导率。通过用参考温度下的电导率补偿测量温度下的第一电导率来计算第三导电率。通过用参考温度下的电导率补偿测量温度下的第二电导率来计算第四导电率。

3. 发明授权

KR100936348B1 저 크롬계 스테인레스강의 고내식성 표면처리용액 조성물 및 이를 이용한 스테인레스강의 부동태 처리방법 有权
标题翻译：高耐腐蚀表面处理溶液培养低铬不锈钢材料和不锈钢通过使用培养材料的钝化处理方法
公开(公告)号：KR100936348B1
公开(公告)日：2010-01-12
申请号：KR1020070135667
申请日：2007-12-21
申请人： 주식회사 포스코 , 재단법인 포항산업과학연구원 , 철강융합신기술연구조합 , 주식회사 세아창원특수강
发明人： 최상교
IPC分类号： C23F11/00 , C23F11/04
摘要： 본 발명은 크롬함량이 18% 미만인 저크롬 함량 스테인레스강의 산세에 있어서 산세처리후 최종 제품의 표면에 부동태 층의 형성이 부족하여 발생될 수 있는 부식현상을 현저히 감소시킬 수 있는 표면처리용액 조성물에 관한 것으로, 니켈이 함유되지 않고 크롬함량이 적은 페라이트계 혹은 마르텐사이트계 스테인레스강을 통상의 열처리와 산세과정을 거친 다음 최종적으로 표면에 잔류할 수 있는 메탈 철 및 철, 크롬, 실리콘, 망간 등의 산화물을 제거하고 표면에 부동태 피막을 형성시켜줌으로써 표면보호특성이 강한 용액 조성물로서, 스테인레스강의 모재손상을 최소화하기 위해 불산의 활동을 억제시키면서 부동태를 형성하는 조성물을 제공하는 것이다.
본 발명에 따르면 밝은 백색의 제품을 얻을 수 있으며, 장기간 보관하여도 표면에 녹이 발생되지 않는 특성을 가짐으로써, 우수한 품질의 스테인레스강을 생산할 수 있으며, 녹 방지를 위해 방청제와 같은 별도의 화학약품 사용이 필요 없어 공정을 단순화하고 품질을 획기적으로 향상시키는 효과를 얻을 수 있다.
페라이트, 마르텐사이트, 부동태, 표면처리, 스테인레스

4. 发明公开

KR1020090067862A 불산이 포함된 혼합용액 중 불산 농도의 신속한 분석을위한 1회용 분석 Ｋｉｔ의 제조방법 有权
标题翻译：制造便携式分析试剂盒的方法，用于在混合溶液中快速测定HF浓度
公开(公告)号：KR1020090067862A
公开(公告)日：2009-06-25
申请号：KR1020070135666
申请日：2007-12-21
申请人： 주식회사 포스코 , 재단법인 포항산업과학연구원 , 철강융합신기술연구조합 , 주식회사 세아창원특수강
发明人： 조윤현 , 최상교
IPC分类号： G01N31/20 , G01N21/00 , G01N31/00
摘要： A method for manufacturing a kit for quickly analyzing HF concentration of mixture solution is provided, which enables quick decision in case of analyzing the HF concentration in a process of etching process. A method for manufacturing a kit for quickly analyzing HR concentration of mixture solution containing the HR comprises: a step of mixing a reagent A, B, and C and to obtain the kit for analysis; and a step of putting a appropriate amount of sample in a test tube and measuring the SCN concentration. The reagent A is iron solution: 1g / L FeSO4.7H2O. The reagent is nitric acid medirum: 0.1N HNO3 and the reagent C is acetylacetone solution: 1% acetylacetone.
摘要翻译：提供了用于快速分析混合溶液的HF浓度的试剂盒的制造方法，能够在蚀刻工序中分析HF浓度的情况下进行快速判定。制备用于快速分析含有HR的混合溶液的HR浓度的试剂盒的方法包括：混合试剂A，B和C并获得用于分析的试剂盒的步骤; 以及将适量的样品放入试管中并测量SCN浓度的步骤。试剂A为铁溶液：1g / L FeSO4·7H2O。试剂为硝酸中药：0.1N HNO3，试剂C为乙酰丙酮溶液：1％乙酰丙酮。

5. 发明公开

KR1020040056937A 철의 전기분해를 이용한 폐수처리방법 有权
标题翻译：使用铁电解处理废水的方法
公开(公告)号：KR1020040056937A
公开(公告)日：2004-07-01
申请号：KR1020020083677
申请日：2002-12-24
申请人： 주식회사 포스코 , 재단법인 포항산업과학연구원
发明人： 윤석민 , 최상교 , 박성국
IPC分类号： C02F9/14
摘要： PURPOSE: A method for treating wastewater is provided which is capable of effectively removing phosphorus constituent and organic matter contained in wastewater by using electrolysis. CONSTITUTION: In a wastewater treatment method for treating wastewater into activated sludge, the method for treating wastewater using electrolysis of iron comprises a step of supplying wastewater into an electrolytic cell on which electrodes formed of iron are mounted, and electrolyzing iron; a step of forming agglomerated sediment by reacting some of ion ions eluted as iron is being electrolyzed and phosphorus constituent contained in wastewater with each other, and removing phosphorus contained in wastewater by filtering the agglomerated sediment; and a step of treating wastewater by contacting wastewater containing residual iron ions that are not reacted with the phosphorus constituent with activated sludge, wherein voltage and current are controlled to elute 50 to 200 mg/L of iron ions.
摘要翻译：目的：提供一种处理废水的方法，能够通过电解有效去除废水中含磷成分和有机物质。构成：在将废水处理成活性污泥的废水处理方法中，使用铁电解处理废水的方法包括将废水供应到其上安装有铁电极的电解池和电解铁的步骤; 通过使作为铁洗脱的一些离子离子反应形成凝聚的沉淀物的步骤被电解，并将废水中含有的磷成分彼此反应，并通过过滤附聚沉淀物除去废水中所含的磷; 以及通过将不与磷成分反应的残留铁离子的废水与活性污泥接触来处理废水的步骤，其中控制电压和电流洗脱50〜200mg / L的铁离子。

6. 发明公开

KR1020010064723A 금속수산화물을 이용한 활성오니처리방법 无效
标题翻译：使用金属氢氧化物的活性污泥处理方法
公开(公告)号：KR1020010064723A
公开(公告)日：2001-07-11
申请号：KR1019990058997
申请日：1999-12-18
申请人： 주식회사 포스코 , 재단법인 포항산업과학연구원
发明人： 최상교 , 전희동 , 김해룡
IPC分类号： C02F3/12
CPC分类号： Y02W10/15
摘要： PURPOSE: An activated sludge treatment method using metal hydroxide is provided, which can be well adapted to the changing load of influent water of a wastewater treatment plant by excellent settling property and adsorption force for toxic material of complex floc of microorganism generated and iron hydroxide. The system also can keep the microorganism concentration two times as high as the existing process by increased concentration of sludge recycled from settling tank, thereby diminishing generation of excess sludge greatly. CONSTITUTION: The method comprises feeding bivalent or trivalent metal hydroxide to one of an influent tank, a flow control tank, an aeration tank, a settling tank or a recycle sludge tank of the sludge treatment process, the metal hydroxide being at least one or mixture of iron hydroxide, zinc hydroxide and aluminum hydroxide.
摘要翻译：目的：提供一种使用金属氢氧化物的活性污泥处理方法，可以很好地适应废水处理厂的进水量变化的负载，具有优异的沉降特性和对生物微生物和氢氧化铁的复杂絮凝物的有毒物质的吸附力。该系统还可以通过从沉淀池再循环的污泥浓度增加，将微生物浓度保持在现有方法的两倍，从而大大减少过剩污泥的产生。构成：该方法包括将二价或三价金属氢氧化物供给污泥处理工艺的进水槽，流量控制槽，曝气池，沉淀池或再循环污泥槽中的一种，金属氢氧化物为至少一种或混合物的氢氧化铁，氢氧化锌和氢氧化铝。

7. 发明授权

KR102031316B1 산세 용액의 금속 이온 농도 측정 방법 有权
公开(公告)号：KR102031316B1
公开(公告)日：2019-10-11
申请号：KR1020170179005
申请日：2017-12-26
申请人： 주식회사 포스코 , 재단법인 포항산업과학연구원
发明人： 김지훈 , 최상교
IPC分类号： G01N27/06 , G01N33/20

8. 发明授权

KR101917446B1 전기 분해를 이용한 폐 수중유(oil in water) 에멀젼 내 불용성 오일의 분리 방법 有权
公开(公告)号：KR101917446B1
公开(公告)日：2018-11-09
申请号：KR1020160174925
申请日：2016-12-20
申请人： 주식회사 포스코 , 재단법인 포항산업과학연구원
发明人： 최상교
IPC分类号： B01D17/04 , B01D17/06 , B03C1/30 , B01D17/02
摘要： 본발명은전기분해를이용한폐 수중유(oil in water) 에멀젼내 불용성오일의분리방법에관한것으로, 보다상세하게는금속불순물을포함하는폐 수중유(oil in water) 에멀젼을제공하는단계; 및상기폐 수중유에멀젼내 오일유적으로부터금속불순물을분리하기위해전기분해하는단계를포함하는, 폐수중유(oil in water) 에멀젼내 불용성오일의분리방법, 이를적용한폐 수중유(oil in water) 에멀젼의재사용방법및 폐수중유(oil in water) 에멀젼내 불용성오일의분리장치에관한것이다.

9. 发明授权

KR100448616B1 미생물 담체 보조제를 이용한 질소함유 폐수의 생물학적처리방법 有权
标题翻译： 미생물담체보조제를이용한질소함유폐수의생물학적처리방
公开(公告)号：KR100448616B1
公开(公告)日：2004-09-13
申请号：KR1020020083679
申请日：2002-12-24
申请人： 주식회사 포스코 , 철강융합신기술연구조합 , 재단법인 포항산업과학연구원 , 주식회사 포스코건설
发明人： 최상교 , 김미주
IPC分类号： C02F3/30 , C02F3/06
CPC分类号： Y02W10/15
摘要： PURPOSE: A method for biologically treating wastewater containing nitrogen is provided to improve microorganism adhesion ratio of carrier used when biologically removing nitrogen from nitrogen contained wastewater so that microorganisms are maintained to high concentration in reaction tank. CONSTITUTION: The method for biologically treating wastewater containing nitrogen using microorganism co-carrier comprises the steps of filling microorganism carrier in a biological reaction tank(3) of nitrification and denitrification processes; and injecting bivalent or trivalent metal hydroxide floc as the microorganism co-carrier into the biological reaction tank, thereby promoting adhesion of microorganisms and carrier, wherein an injection amount of the bivalent or trivalent metal hydroxide floc is 2 to 10 wt.% of microorganism concentration in the reaction tank, wherein the bivalent or trivalent metal hydroxide floc is injected into one or more points of influent(5), balancing tank, aeration tank(2), precipitation tank(4), carrier filling tank and pipe for return sludge(6) in the nitrification and denitrification processes, wherein the bivalent or trivalent metal hydroxide floc is at least iron hydroxide, zinc hydroxide, aluminum hydroxide or a mixture thereof, and wherein the bivalent or trivalent metal hydroxide floc has pH of 5.8 to 8.6.
摘要翻译：目的：提供一种生物处理含氮废水的方法，以提高从含氮废水中生物去除氮气时所用载体的微生物粘附比率，从而使微生物在反应罐中保持高浓度。本发明公开了一种微生物共载体生物处理含氮废水的方法，包括以下步骤：在生物反应池（3）中填充硝化反硝化过程中的微生物载体; 以及将二价或三价金属氢氧化物絮凝物作为微生物共载体注入生物反应池中，从而促进微生物和载体的粘附，其中二价或三价金属氢氧化物絮凝物的注入量为微生物浓度的2至10重量％（5），平衡槽，曝气槽（2），沉淀槽（4），载体填充槽和回流污泥管道（5）中的一点或多点注入二价或三价金属氢氧化物絮凝物的反应槽中， 6）在硝化和脱硝过程中，其中所述二价或三价金属氢氧化物絮凝物至少为氢氧化铁，氢氧化锌，氢氧化铝或其混合物，并且其中所述二价或三价金属氢氧化物絮凝物具有5.8至8.6的pH。

10. 发明授权

KR101767787B1 활성탄의 재생 방법 및 이를 이용한 장치 有权
公开(公告)号：KR101767787B1
公开(公告)日：2017-08-11
申请号：KR1020150186418
申请日：2015-12-24
申请人： 주식회사 포스코 , 재단법인 포항산업과학연구원
发明人： 최상교
IPC分类号： B01J20/34 , C01B31/08 , C02F1/28
摘要： 본발명은활성탄의재생방법및 이를이용한장치에관한것으로, 보다상세하게는수처리에사용되는활성탄의열재생공정에있어서, 재생로에장입하기전 폐활성탄을전기전도도가 200uS/cm 이하인물로수세하는세정단계를포함하는활성탄의재생방법; 및수처리에사용되는활성탄의열재생장치에있어서, 수처리에사용된폐활성탄을저장하는폐활성탄저장호퍼, 폐활성탄을열재생하는재생로, 공정수에의해폐활성탄을상기폐활성탄저장호퍼로부터상기재생로로이송하는이송라인, 상기이송라인말단에구비되어재생로에장입하기전 폐활성탄을전기전도도가 200uS/cm 이하인물로수세하는세정부및 상기세정부에구비되어물의전기전도도를측정하는전기전도도측정장치를포함하는활성탄의재생장치에관한것이다.

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