公开(公告)号：US20100038586A1

公开(公告)日：2010-02-18

申请号：US12270370

申请日：2008-11-13

申请人： Hee Dong Jang ,  Han Kwon Chang

发明人： Hee Dong Jang ,  Han Kwon Chang

IPC分类号： C09K3/00

CPC分类号： C01G23/00 ,  B82Y30/00 ,  C01P2002/72 ,  C01P2004/03 ,  C01P2004/64 ,  C01P2006/12 ,  C01P2006/17 ,  C09C1/363 ,  C09C1/3653

摘要： Provided is a method of fabricating silica-titania nanoporous composite powder by controlling a pore size. In more particular, a method of fabricating silica-titania nanoporous composite powder, using a spraying and heating reactor including an ultrasonic droplet generator and a cylindrical electric furnace, comprises the steps of: generating droplets of a mixture suspension from a colloidal suspension prepared by mixing silica (SiO2) and titania (TiO2) nanopowders and organic template (PSL: polystyrene latex) powder, by the ultrasonic droplet generator of the spray-heating reactor; generating a silica-titania-organic template nanoporous composite powder having pores within the range of 20˜100 nm in size through preparing silica-titania-organic template (SiO2—TiO2—PLS) composite particles and removing the organic template while passing the mixture suspension in the cylindrical electric furnace by a carrier gas; and collecting the generated nanoporous material by a particle collector.The present invention provides the method of fabricating silica-titania nanoporous composite powder by controlling the pore size and the mixing ratio of silica-titania.

摘要翻译： 提供了通过控制孔径来制造二氧化硅 - 二氧化钛纳米多孔复合粉末的方法。 更具体地，使用包括超声波液滴发生器和圆柱形电炉的喷射和加热反应器制备二氧化硅 - 二氧化钛纳米多孔复合粉末的方法包括以下步骤：从通过混合制备的胶体悬浮液产生混合悬浮液的液滴 二氧化硅（SiO 2）和二氧化钛（TiO 2）纳米粉末和有机模板（PSL：聚苯乙烯胶乳）粉末，由喷雾加热反应器的超声波液滴发生器; 通过制备二氧化硅 - 二氧化钛 - 有机模板（SiO 2 -TiO 2 -PLS）复合颗粒并通过混合物悬浮液去除有机模板，从而产生尺寸在20〜100nm范围内的孔的二氧化硅 - 二氧化钛 - 有机模板纳米多孔复合粉末 在圆柱形电炉中用载气; 并通过粒子收集器收集生成的纳米多孔材料。 本发明提供了通过控制二氧化硅 - 二氧化钛的孔径和混合比来制备二氧化硅 - 二氧化钛纳米多孔复合材料粉末的方法。

公开(公告)号：US20100048741A1

公开(公告)日：2010-02-25

申请号：US12351469

申请日：2009-01-09

申请人： Hee Dong Jang ,  Kuk Cho ,  Byoung-Gyu Kim

发明人： Hee Dong Jang ,  Kuk Cho ,  Byoung-Gyu Kim

IPC分类号： B01J13/00 ,  B82B3/00 ,  B82B1/00

CPC分类号： C01F11/185 ,  B82Y30/00 ,  C01P2002/60 ,  C01P2004/50 ,  C01P2004/52 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/22 ,  C09C1/021

摘要： The present invention relates to a method for fabricating calcium carbonate nanoparticles dispersed in water from ground calcium carbonate of micrometer (μm) order using beads milling. More particularly, the present invention relates to a method for fabricating calcium carbonate nanoparticles dispersed in water by which a complex aqueous slurry comprising coarse ground calcium carbonate having an average particle size of several micrometers (μm) and a surfactant is subjected to beads milling, such that grinding and dispersion in water of the ground calcium carbonate occur simultaneously, and the resultant calcium carbonate nanoparticles have an average particle size of 10-100 nm and a unimodal clustering distribution.

摘要翻译： 本发明涉及一种使用珠铣加工从微米（μm）级的研磨碳酸钙分散在水中的碳酸钙纳米粒子的方法。 更具体地说，本发明涉及一种制造分散在水中的碳酸钙纳米粒子的方法，通过该方法将包含平均粒度为几微米（μm）的粗糙研磨碳酸钙和表面活性剂的复合含水浆料进行珠磨， 磨碎的碳酸钙在水中的研磨和分散同时发生，所得到的碳酸钙纳米颗粒具有10-100nm的平均粒度和单​​峰聚类分布。

公开(公告)号：US08048932B2

公开(公告)日：2011-11-01

申请号：US12351469

申请日：2009-01-09

申请人： Hee Dong Jang ,  Kuk Cho ,  Byoung-Gyu Kim

发明人： Hee Dong Jang ,  Kuk Cho ,  Byoung-Gyu Kim

IPC分类号： C08J3/02

CPC分类号： C01F11/185 ,  B82Y30/00 ,  C01P2002/60 ,  C01P2004/50 ,  C01P2004/52 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2004/64 ,  C01P2006/22 ,  C09C1/021

摘要： The present invention relates to a method for fabricating calcium carbonate nanoparticles dispersed in water from ground calcium carbonate of micrometer (μm) order using beads milling. More particularly, the present invention relates to a method for fabricating calcium carbonate nanoparticles dispersed in water by which a complex aqueous slurry comprising coarse ground calcium carbonate having an average particle size of several micrometers (μm) and a surfactant is subjected to beads milling, such that grinding and dispersion in water of the ground calcium carbonate occur simultaneously, and the resultant calcium carbonate nanoparticles have an average particle size of 10-100 nm and a unimodal clustering distribution.

摘要翻译： 本发明涉及一种使用珠铣加工从微米（μm）级的研磨碳酸钙分散在水中的碳酸钙纳米粒子的方法。 更具体地说，本发明涉及一种制造分散在水中的碳酸钙纳米粒子的方法，通过该方法将包含平均粒度为几微米（μm）的粗糙研磨碳酸钙和表面活性剂的复合含水浆料进行珠磨， 磨碎的碳酸钙在水中的研磨和分散同时发生，所得到的碳酸钙纳米颗粒具有10-100nm的平均粒度和单​​峰聚类分布。

公开(公告)号：US20130105401A1

公开(公告)日：2013-05-02

申请号：US13306855

申请日：2011-11-29

申请人： Yong Jae Suh ,  Myung Eun Ju ,  Dae Sup Kil ,  Hee Dong Jang

发明人： Yong Jae Suh ,  Myung Eun Ju ,  Dae Sup Kil ,  Hee Dong Jang

IPC分类号： C02F1/52 ,  C02F101/16 ,  C02F101/10

CPC分类号： C02F1/52 ,  C02F1/5236 ,  C02F1/5245 ,  C02F1/5254 ,  C02F1/66 ,  C02F2101/101 ,  C02F2101/105 ,  C02F2101/16 ,  C02F2103/10 ,  C02F2209/06

摘要： The present invention provides a method for removing phosphorus and nitrogen contained in sewage or wastewater using iron ore wastewater. According to the method of the present invention, in which the phosphorus and nitrogen contained in sewage or wastewater are crystallized in the form of struvite using iron ore wastewater containing a large amount of Mg2+ produced in a process of upgrading low-grade iron ore and removed, it is possible to reduce the cost of Mg2+ and the cost of iron ore wastewater treatment, thereby earning economic profits. Moreover, it is possible to prevent water pollution by the removal of the phosphorus and nitrogen contained in sewage or wastewater. Furthermore, it is possible to use struvite crystals obtained as a by-product as a time-release compound fertilizer so as to reduce the amount of fertilizer used and the number of fertilizations, thereby reducing soil contamination.

摘要翻译： 本发明提供了使用铁矿石废水除去污水或废水中所含的磷和氮的方法。 根据本发明的方法，其中污水或废水中所含的磷和氮以使用在高品位铁矿石升级过程中产生的大量Mg2 +的铁矿石废水以鸟粪石的形式结晶， ，可以降低Mg2 +的成本和铁矿石废水处理成本，从而获得经济利润。 此外，可以通过除去污水或废水中含有的磷和氮来防止水污染。 此外，可以使用作为副产物获得的鸟粪石晶体作为时间释放复合肥料，以减少所用肥料的量和施肥次数，从而减少土壤污染。

公开(公告)号：US10135059B2

公开(公告)日：2018-11-20

申请号：US13537686

申请日：2012-06-29

申请人： Jiaxing Huang ,  Hee Dong Jang ,  Jiayan Luo

发明人： Jiaxing Huang ,  Hee Dong Jang ,  Jiayan Luo

IPC分类号： C09C1/46 ,  H01M8/16 ,  H01M4/04 ,  H01M4/583 ,  H01M4/88 ,  H01M4/96 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/194

摘要： In one aspect of the present invention, a method of for synthesizing compression- and aggregation-resistant particles includes forming a graphene dispersion solution with micron-sized graphene-based material sheets, nebulizing the graphene dispersion solution to form aerosol droplets, passing the aerosol droplets through a horizontal tube furnace pre-heated at a predetermined temperature by a carrier gas, and drying the aerosol droplets to concentrate and compress the micron-sized graphene-based material sheets into crumpled particles of sub-micron scale.

公开(公告)号：US20130004798A1

公开(公告)日：2013-01-03

申请号：US13537686

申请日：2012-06-29

申请人： Jiaxing Huang ,  Hee Dong Jang ,  Jiayan Luo

发明人： Jiaxing Huang ,  Hee Dong Jang ,  Jiayan Luo

IPC分类号： C09C1/46 ,  H01M8/16

CPC分类号： H01M4/04 ,  B82Y30/00 ,  B82Y40/00 ,  C01B32/194 ,  C01P2004/03 ,  C01P2004/04 ,  C01P2006/10 ,  H01M4/583 ,  H01M4/88 ,  H01M4/96 ,  H01M8/16 ,  Y02E60/527

摘要： In one aspect of the present invention, a method of for synthesizing compression- and aggregation-resistant particles includes forming a graphene dispersion solution with micron-sized graphene-based material sheets, nebulizing the graphene dispersion solution to form aerosol droplets, passing the aerosol droplets through a horizontal tube furnace pre-heated at a predetermined temperature by a carrier gas, and drying the aerosol droplets to concentrate and compress the micron-sized graphene-based material sheets into crumpled particles of sub-micron scale.

摘要翻译： 在本发明的一个方面，用于合成抗压缩和抗聚集颗粒的方法包括用微米尺寸的石墨烯材料片形成石墨烯分散液，将石墨烯分散液雾化以形成气溶胶液滴，使气雾剂液滴 通过在预定温度下由载气预热的水平管式炉，并干燥气溶胶液滴以将微米尺寸的石墨烯材料片材压缩并压缩成亚微米级的皱巴巴的颗粒。

公开(公告)号：US09102555B2

公开(公告)日：2015-08-11

申请号：US13306855

申请日：2011-11-29

申请人： Yong Jae Suh ,  Myung Eun Ju ,  Dae Sup Kil ,  Hee Dong Jang

发明人： Yong Jae Suh ,  Myung Eun Ju ,  Dae Sup Kil ,  Hee Dong Jang

IPC分类号： C02F1/52 ,  C02F1/66 ,  C02F101/10 ,  C02F101/16

CPC分类号： C02F1/52 ,  C02F1/5236 ,  C02F1/5245 ,  C02F1/5254 ,  C02F1/66 ,  C02F2101/101 ,  C02F2101/105 ,  C02F2101/16 ,  C02F2103/10 ,  C02F2209/06

摘要： The present invention provides a method for removing phosphorus and nitrogen contained in sewage or wastewater using iron ore wastewater. According to the method of the present invention, in which the phosphorus and nitrogen contained in sewage or wastewater are crystallized in the form of struvite using iron ore wastewater containing a large amount of Mg2+ produced in a process of upgrading low-grade iron ore and removed, it is possible to reduce the cost of Mg2+ and the cost of iron ore wastewater treatment, thereby earning economic profits. Moreover, it is possible to prevent water pollution by the removal of the phosphorus and nitrogen contained in sewage or wastewater. Furthermore, it is possible to use struvite crystals obtained as a by-product as a time-release compound fertilizer so as to reduce the amount of fertilizer used and the number of fertilizations, thereby reducing soil contamination.

摘要翻译： 本发明提供了使用铁矿石废水除去污水或废水中所含的磷和氮的方法。 根据本发明的方法，其中污水或废水中所含的磷和氮以使用在高品位铁矿石升级过程中产生的大量Mg2 +的铁矿石废水以鸟粪石的形式结晶， ，可以降低Mg2 +的成本和铁矿石废水处理成本，从而获得经济利润。 此外，可以通过除去污水或废水中含有的磷和氮来防止水污染。 此外，可以使用作为副产物获得的鸟粪石晶体作为时间释放复合肥料，以减少所用肥料的量和施肥次数，从而减少土壤污染。

公开(公告)号：US08337805B1

公开(公告)日：2012-12-25

申请号：US13306857

申请日：2011-11-29

申请人： Yong Jae Suh ,  Myung Eun Ju ,  Dae Sup Kil ,  Hee Dong Jang

发明人： Yong Jae Suh ,  Myung Eun Ju ,  Dae Sup Kil ,  Hee Dong Jang

IPC分类号： C01G49/00

CPC分类号： C01G49/08 ,  B01J20/06 ,  B01J20/28007 ,  B01J20/30 ,  B01J20/3085 ,  B82Y30/00 ,  C01P2002/72 ,  C01P2004/04

摘要： The present invention provides a method for preparing magnetite nanoparticles from low-grade iron ore and magnetite nanoparticles prepared by the same. According to the method of the present invention, in which iron ore leachate is obtained by adding low-grade iron ore powder to an acidic solution, Si and Mg that inhibit the formation of magnetite nanoparticles present in the leachate are selectively removed, iron hydroxide (Fe(OH)3) is allowed to be precipitated from a supernatant containing Fe2+ ions and Fe3+ ions, a mixed iron solution containing Fe2+ ions and Fe3+ ions is prepared using the iron hydroxide (Fe(OH)3), and the mixed iron solution is added to an alkaline solution to react, thereby preparing magnetite nanoparticles.

摘要翻译： 本发明提供一种由低品位铁矿石制备磁铁矿纳米粒子的方法及由其制备的磁铁矿纳米颗粒。 根据本发明的方法，其中通过向酸性溶液中添加低等级的铁矿粉而获得铁矿石浸出液，选择性地除去抑制存在于浸出液中的磁铁矿纳米颗粒的形成的Si和Mg，将氢氧化铁 Fe（OH）3）从含Fe2 +离子和Fe3 +离子的上清液中析出，使用氢氧化铁（Fe（OH）3）制备含Fe2 +离子和Fe3 +离子的混合铁溶液，混合铁溶液 加入到碱性溶液中进行反应，从而制备磁铁矿纳米颗粒。

公开(公告)号：US07550618B2

公开(公告)日：2009-06-23

申请号：US11961177

申请日：2007-12-20

申请人： Hee Dong Jang ,  Yong Jae Suh ,  Dae Sup Kil ,  Kee Kahb Koo ,  Jae Kyeong Kim ,  Han Sang Oh

发明人： Hee Dong Jang ,  Yong Jae Suh ,  Dae Sup Kil ,  Kee Kahb Koo ,  Jae Kyeong Kim ,  Han Sang Oh

IPC分类号： C07F15/02

CPC分类号： C07C51/412 ,  C07C53/10

摘要： The present invention relates to a preparation of iron(II) acetate powder from low grade magnetite and comprises the following steps: (a) adding organic acid to low grade magnetite powder to obtain iron solution; (b) adding hydroxide to the iron solution to obtain iron hydroxide; and (c) adding acetic acid to the iron hydroxide, thereby obtaining iron(II) acetate. According to the present invention, it is possible to obtain high purity iron(II) acetate using low grade magnetite and there are advantages of mass producible environmentally-friendly simple process and prevention of corrosion of facilities.

摘要翻译： 本发明涉及一种低等级磁铁矿的乙酸铁（II）粉末制备方法，包括以下步骤：（a）将有机酸加入到低品位磁铁矿粉中，得到铁溶液; （b）向铁溶液中加入氢氧化物以得到氢氧化铁; 和（c）向氢氧化铁中加入乙酸，从而得到乙酸铁（II）。 根据本发明，可以使用低品位磁铁矿获得高纯度的乙酸铁（II），并且具有大规模生产的环保简单工艺和防止设备腐蚀的优点。

公开(公告)号：US20090105493A1

公开(公告)日：2009-04-23

申请号：US11961177

申请日：2007-12-20

申请人： Hee Dong Jang ,  Yong Jae Suh ,  Dae Sup Kil ,  Kee Kahb Koo ,  Jae Kyeong Kim ,  Han Sang Oh

发明人： Hee Dong Jang ,  Yong Jae Suh ,  Dae Sup Kil ,  Kee Kahb Koo ,  Jae Kyeong Kim ,  Han Sang Oh

IPC分类号： C07F15/02

CPC分类号： C07C51/412 ,  C07C53/10

摘要： The present invention relates to a preparation of iron(II) acetate powder from low grade magnetite and comprises the following steps: (a) adding organic acid to low grade magnetite powder to obtain iron solution; (b) adding hydroxide to the iron solution to obtain iron hydroxide; and (c) adding acetic acid to the iron hydroxide, thereby obtaining iron(II) acetate.According to the present invention, it is possible to obtain high purity iron(II) acetate using low grade magnetite and there are advantages of mass producible environmentally-friendly simple process and prevention of corrosion of facilities.

摘要翻译： 本发明涉及一种低等级磁铁矿的乙酸铁（II）粉末制备方法，包括以下步骤：（a）将有机酸加入到低品位磁铁矿粉中，得到铁溶液; （b）向铁溶液中加入氢氧化物以得到氢氧化铁; 和（c）向氢氧化铁中加入乙酸，从而得到乙酸铁（II）。 根据本发明，可以使用低品位磁铁矿获得高纯度的乙酸铁（II），并且具有大规模生产的环保简单工艺和防止设备腐蚀的优点。