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    • 2. 发明授权
    • ZrC 첨가에 의해 입자 성장이 억제된 TiC-ZrC-Ni 서메트의 제조방법
    • 通过ZrC添加抑制晶粒生长的TiC-ZrC-Ni金属陶瓷的制造方法
    • KR101790967B1
    • 2017-10-27
    • KR1020170097791
    • 2017-08-01
    • 한국지질자원연구원
    • 권한중서창열김병수서용재길대섭문아람
    • C22C1/05C22C29/02
    • 본발명에의한 ZrC 첨가에의해입자성장이억제된 TiC-ZrC-Ni 서메트의제조방법은, (a) TiO분말, ZrO분말및 탄소재를 1차밀링하여혼합분말(TiO-ZrO-C)을제조하는단계; (b) 상기혼합분말을열처리하여복합분말(TiC-ZrC)을제조하는단계; 및 (c) 상기복합분말(TiC-ZrC)과 Ni분말을 2차밀링하여혼합체를제조하는단계;를포함하는것을특징으로한다. 본발명에따르면, 고에너지밀링공정으로 Zr 및 Ti가탄화물내에고용된 (Ti,Zr)C 형태의분말을형성하는것이아니라 TiC-ZrC 형태의복합분말을형성시킬수 있고, 이를 Ni분말과혼합하여 TiC-ZrC-Ni 서메트를제조할수 있다. 또한, 복합분말(TiC-ZrC)은소결시 ZrC 입자에의해 TiC 입자의성장이억제되어기계적특성이뛰어난 TiC-ZrC-Ni 서메트를제조할수 있는것은물론이고, 고에너지밀링공정으로제조된분말의입도는수백나노미터수준으로미세하여소결온도를낮출수 있으며, 소결시간또한짧게수행할수 있는장점이있다.
    • 本发明的制造方法中,TIC-的ZrC-Ni系晶粒生长的ZrC金属陶瓷是通过添加意志的抑制,(a)中的TiO粉末,于第一铣削的ZrO粉末和碳质材料的粉末混合物(TiO系的ZrO-C )制备; (b)对混合粉末进行热处理以制备复合粉末(TiC-ZrC); (c)将复合粉末(TiC-ZrC)和Ni粉末二次研磨以制备混合物。 按照本发明,并且在所述能量研磨过程为Zr和Ti加坦货物的(Ti,Zr)的使用,而不是形成C状sikilsu的粉末形成的TiC-的ZrC形式,将其用Ni粉混合组成的复合粉末 可以制造TiC-ZrC-Ni金属陶瓷。 而且,由复合粉末(TIC-的ZrC)eunso学生缺席是通过的ZrC抑制的TiC颗粒的生长的粉末颗粒的机械性能是能够产生优异的TiC-的ZrC-Ni系金属陶瓷以及,高能量研磨过程 粒度小至几百纳米,可以降低烧结温度,缩短烧结时间。
    • 3. 发明授权
    • 저품위 철광석으로부터 마그네타이트 나노입자의 제조방법 및 이에 의해 제조된 마그네타이트 나노입자
    • 由低品位铁矿石制备磁铁矿纳米颗粒的方法及由其制备的磁铁矿纳米颗粒
    • KR101109682B1
    • 2012-02-08
    • KR1020110115662
    • 2011-11-08
    • 한국지질자원연구원
    • 서용재주명은길대섭장희동
    • C01G49/08B01J20/26B01D15/00B82B3/00
    • C01G49/08B01J20/06B01J20/28007B01J20/30B01J20/3085B82Y30/00C01P2002/72C01P2004/04
    • PURPOSE: A method for manufacturing magnetite nano-particles based on lower iron ore and the magnetite nano-particles are provided to reduce silicon components and magnesium components disturbing the formation of magnetite nano-particles and to increase iron components contained in the magnetite nano-particles without the intermediate synthesizing process of iron salt. CONSTITUTION: A method for manufacturing magnetite nano-particles based on lower iron ore and the magnetite nano-particles includes the following: iron ore powder is applied to an acid solution; leachate is obtained by a stirring process at a temperature between 90 and 110 degrees Celsius for 1 to 3 hours; the leachate is diluted with distilled water, and remaining powder is separated; silica components are eliminated from the leachate, and supernatant is obtained; an oxidizer is applied to the supernatant to oxidize ferrous ions into ferric ions; an alkali aqueous solution is applied to the ferric ions to obtain iron hydroxide; the iron hydroxide is applied to an acid solution to obtain ferric ion-containing aqueous solution; a reducing agent is applied to 1/3 of the ferric ion-containing aqueous solution obtain ferrous ion-containing solution; the ferrous ion-containing solution is applied to remaining ferric aqueous solution to obtain iron salt mixed solution; and the iron salt mixed solution is applied to an alkali aqueous solution to obtain magnetite nano-particles through a reaction at a temperature between 30-50 degrees Celsius for 5-20 minutes.
    • 目的:提供一种制备基于低铁矿石和磁铁矿纳米颗粒的磁铁矿纳米颗粒的方法,以减少硅组分和镁组分,阻碍磁铁矿纳米颗粒的形成,并增加磁铁矿纳米颗粒中所含的铁成分 没有铁盐的中间合成过程。 构成:基于低铁矿石和磁铁矿纳米粒子制造磁铁矿纳米颗粒的方法包括:将铁矿石粉末施加到酸溶液中; 浸出液在90〜110℃的温度下搅拌1〜3小时, 用蒸馏水稀释渗滤液,分离剩余的粉末; 从渗滤液中除去二氧化硅成分,得到上清液; 将氧化剂施加到上清液上以将亚铁离子氧化成铁离子; 将碱性水溶液施加到铁离子上以获得氢氧化铁; 将氢氧化铁施加到酸性溶液中以得到含有铁离子的水溶液; 将还原剂施加到1/3的含铁离子的水溶液中得到含有亚铁离子的溶液; 将含亚铁离子的溶液施加到剩余的铁水溶液中以获得铁盐混合溶液; 并将铁盐混合溶液施加到碱水溶液中,通过在30-50摄氏度的温度下反应5-20分钟获得磁铁矿纳米颗粒。
    • 4. 发明授权
    • 용매추출법을 이용한 저품위 철광석으로부터 마그네타이트 나노입자의 제조방법 및 이에 의해 제조된 마그네타이트 나노입자
    • 使用溶剂萃取和由其制备的磁性纳米粒子从低等级铁矿石制备磁性纳米颗粒的方法
    • KR101275096B1
    • 2013-06-17
    • KR1020120124109
    • 2012-11-05
    • 한국지질자원연구원
    • 서용재길대섭장희동
    • C01G49/08B01D17/038B82B1/00B82B3/00
    • C01G49/08B22F1/0018B82Y30/00C01G49/0009C01P2002/72C01P2004/04C01P2004/64C01P2006/42C01P2006/80H01F1/0045H01F1/0054H01F1/344Y10S977/811
    • PURPOSE: A magnetite nanoparticle production method is provided to produce high-purity magnetite nanoparticles with low costs by a solvent extraction process using low grade iron ore as a starting material. CONSTITUTION: A magnetite nano-particle production method includes the following steps; an iron ore extracting solution is obtained by agitating iron ore powder and an acid solution; supernatants are obtained by centrifuging the iron ore extracting solution; Fe2+ ion is oxidized into Fe3+ ion by adding an oxidization agent into the supernatants; an iron-solvent extracting agent complex is separated by adding a solvent extracting agent into an aqueous solution with Fe3+; the aqueous solution with Fe3+ is separated by adding distilled water into the separated iron-solvent extracting agent complex; an aqueous solution with Fe2+ ion is made by adding a reducing agent into the part of the aqueous solution containing Fe3+; an iron salt mixed solution is produced adding the aqueous solution with Fe2+ into the aqueous solution with remaining Fe3+ and magnetite nano-particle is produced by the reaction between the iron salt mixed solution and an aqueous alkali solution. The solvent extracting agent in the iron-solvent extracting agent separation step includes a modifying agent, a dilution agent, and a neutron extraction agent. [Reference numerals] (AA) Iron ore; (BB) Iron ore powder; (CC) Iron ore extracting solution; (DD) Fe^3+ ions in the solution; (EE) Fe_3O_4 nano-particles; (FF) Crushing/sieve; (GG) Meltage; (HH) Oxidation/solvent extraction method; (II) Reduction/coprecipitation
    • 目的:提供磁铁矿纳米颗粒的制备方法,通过使用低品位铁矿石作为原料的溶剂萃取方法,以低成本生产高纯度磁铁矿纳米颗粒。 构成:磁铁矿纳米粒子的制备方法包括以下步骤: 通过搅拌铁矿粉和酸溶液获得铁矿石提取液; 通过离心铁矿石提取液获得上清液; Fe2 +离子通过向上清液中加入氧化剂而被氧化成Fe3 +离子; 通过向Fe3 +的水溶液中加入溶剂萃取剂来分离铁溶剂萃取剂络合物; 通过向分离的铁溶剂萃取剂络合物中加入蒸馏水分离Fe3 +水溶液; 通过在含有Fe 3+的水溶液的一部分中加入还原剂制成Fe 2+离子的水溶液; 制备铁水混合溶液,将Fe2 +水溶液加入剩余的Fe 3+水溶液中,并通过铁盐混合溶液和碱水溶液之间的反应产生磁铁矿纳米颗粒。 铁溶剂萃取剂分离步骤中的溶剂萃取剂包括改性剂,稀释剂和中子萃取剂。 (附图标记)(AA)铁矿石; (BB)铁矿粉; (CC)铁矿石提取液; (DD)Fe ^ 3 +离子溶液; (EE)Fe_3O_4纳米颗粒; (FF)破碎/筛分; (GG)Meltage; (HH)氧化/溶剂萃取法; (二)还原/共沉淀
    • 6. 发明授权
    • 철광석 폐수를 이용한 하수 또는 폐수에 포함된 인과 질소의 처리방법
    • 使用铁矿废水处理污水或废水中的磷和氮的处理方法
    • KR101093557B1
    • 2011-12-13
    • KR1020110113284
    • 2011-11-02
    • 한국지질자원연구원
    • 서용재주명은길대섭장희동
    • C02F1/58C02F1/52C02F9/02
    • C02F1/52C02F1/5236C02F1/5245C02F1/5254C02F1/66C02F2101/101C02F2101/105C02F2101/16C02F2103/10C02F2209/06
    • PURPOSE: A method for treating phosphorus and nitrogen contained in sewage or wastewater using iron ore wastewater is provided to prevent water pollution by eliminating phosphorus and nitrogen contained in sewage or wastewater and using struvite crystals as byproducts. CONSTITUTION: Iron ore powder is applied to an acidic solution and is stirred for 1 to 3 hours at a temperature between 90 and 110 degrees Celsius in order to obtain iron ore leachate. The iron ore leachate is diluted using distilled water and is centrifuged. Insolubilized remaining powder is separated and discharged. The pH value of the iron ore leachate is adjusted into a range between 7.5 and 9, and the iron ore leachate is centrifuged to obtain supernatant containing iron hydroxide and magnesium ions. The supernatant is added to the mixed solution of phosphate aqueous solution and an ammonium salt aqueous solution. The pH value of the reacting solution is adjusted to a range between 7.5 and 9. A stirring process and a filtering process are implemented, and struvite crystals are eliminated.
    • 目的:利用铁矿石废水处理污水或废水中含磷和氮的方法,通过消除污水或废水中含有的磷和氮,并使用鸟粪石晶体作为副产物来防止水污染。 构成:将铁矿石粉末施加到酸性溶液中,并在90至110摄氏度的温度下搅拌1至3小时,以获得铁矿石浸出液。 用蒸馏水稀释铁矿石浸出液,离心分离。 不溶解的剩余粉末被分离和排出。 将铁矿石浸出液的pH值调整为7.5〜9,将铁矿石浸出液离心,得到含有氢氧化铁和镁离子的上清液。 将上清液加入到磷酸盐水溶液和铵盐水溶液的混合溶液中。 将反应溶液的pH值调节至7.5〜9的范围。进行搅拌处理和过滤处理,除去鸟粪石晶体。
    • 8. 发明授权
    • 올리고머/할로이사이트 복합체 및 그의 제조방법, 및 상기 복합체를 이용한 탄화수소 흡착제
    • 低聚物/卤代硅酸盐络合物,其制备方法以及使用该络合物的碳氢化合物吸附剂
    • KR100933795B1
    • 2009-12-24
    • KR1020070122941
    • 2007-11-29
    • 한국지질자원연구원
    • 정강섭서용재길대섭이환
    • B01J20/00B01J20/22B01J20/02B82Y30/00
    • 본 발명은 올리고머/할로이사이트 복합물질 및 올리고머 수용액에 할로이사이트 분말을 첨가하여 혼합하는 단계; 상기 혼합물을 가열하여 할로이사이트 나노튜브 내부의 공기를 팽창시키는 단계; 및 상기 혼합물을 상온으로 냉각시켜 할로이사이트 나노튜브 내부에 올리고머 수용액을 충진하는 단계를 포함하는 그 제조방법에 관한 것이다. 본 발명에 따른 복합물질은 효율의 탄화수소에 대한 흡착능력을 갖는 흡착제 및 흡착시킨 기능성 물질의 효능의 지속성을 향상시키기 위해서 기능성 물질의 용출속도를 조절할 수 있는 고효율의 나노 기공성 담체로서도 활용될 수 있다.
      양쪽성 올리고머/할로이사이트 복합물질, 탄화수소 흡착제
    • 本发明涉及制备低聚物/卤代石英复合材料的方法,其包括以下步骤:将卤代硅酸盐粉末加入低聚物/ 加热混合物以扩大埃洛石纳米管内的空气; 然后将混合物冷却至室温以填充卤代碳纳米管中的低聚物水溶液。 根据本发明的复合材料可以用作纳米多孔支撑体的高效率,其可以控制所述功能性材料的溶解速率,以提高的吸附剂和吸附在其中具有用于烃效率的吸附能力的功能材料的作用的持久性 。