Patents Assigned to Korea Institute of Geosciences and Mineral Resources
  • Geothermal power generation system and method using heat exchange between working fluid and molten salt
    Patent number: 9121392
    Abstract: A geothermal power generation system using heat exchange between working fluid and molten salt includes a heat collecting unit. A plurality of molten salt containing units are disposed in the ground at predetermined intervals from each other. A heat exchanging unit transfers a heat source of the heat collecting unit to the molten salt in the plurality of molten salt containing units. A plurality of working fluid containing units respectively surround the molten salt containing units and are disposed in the ground at predetermined intervals from each other. A turbine unit is connected to the plurality of working fluid containing units, and generates mechanical energy using steam energy that is generated by the plurality of working fluid containing units. A power generating unit is connected to the turbine unit, and generates electrical energy using the mechanical energy.
    Type: Grant
    Filed: December 18, 2012
    Date of Patent: September 1, 2015
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Byoung Ohan Shim, Hyoung Chan Kim, Chanhee Park
  • Method for removing phosphorus and nitrogen contained in sewage or wastewater using iron ore wastewater
    Patent number: 9102555
    Abstract: 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.
    Type: Grant
    Filed: November 29, 2011
    Date of Patent: August 11, 2015
    Assignee: Korea Institute of Geosciences and Mineral Resources
    Inventors: Yong Jae Suh, Myung Eun Ju, Dae Sup Kil, Hee Dong Jang
  • Earthquake monitoring device and installation method thereof
    Patent number: 9091778
    Abstract: Disclosed are an earthquake monitoring device and a method of installing the same, which can permit stable and efficient installation and operation on any ground surface with free-field conditions including level and sloped ground conditions, and can provide precise monitoring results of earthquakes. The earthquake monitoring device includes a sensor for sensing vibration; and a base having an upper surface formed into a leveled surface, wherein the sensor is secured to the upper surface, and the base is placed on an excavated ground such that the upper surface of the base is positioned on a ground surface or the sensor on the upper surface of the base intersects the ground surface.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: July 28, 2015
    Assignee: Korea Institute of Geoscience & Mineral Resources
    Inventors: Chang-Guk Sun, Geun-Young Kim, Chang-Soo Cho, Jung-Ho Park
  • Method of removing asbestos from asbestos-containing materials by 99% through low temperature heat treatment
    Patent number: 9079055
    Abstract: Disclosed is a method of removing asbestos from an asbestos-containing material by 99% through low temperature heat treatment. The method includes mixing an asbestos-containing material with an oxalic acid at a weight ratio in a range of 1:0.002 to 1:1 and performing heat treatment with respect to a mixture at a temperature of 90° C. to 110° C. to remove asbestos from the asbestos-containing material by 99% or more.
    Type: Grant
    Filed: February 25, 2014
    Date of Patent: July 14, 2015
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Young-Nam Jang, Soo-Chun Chae, Myung-Kyu Lee, Hye-In Won, Kyoung-Won Ryu
  • System and method of controlling fluid temperature for improving injectivity of supercritical carbon dioxide into stratum
    Patent number: 9074456
    Abstract: A system and a method of controlling a fluid temperature for improving injectivity of a supercritical carbon dioxide into a stratum includes a casing part installed in a well, which is formed from a ground surface to a target stratum for injection, a grouting part formed between the casing part and a counterforted wall of the well, a cover covering an upper portion of the casing part, an injection tube inserted into the casing part through the cover and receiving the carbon dioxide injected into the injection tube, a perforation part serving as a passage allowing the carbon dioxide to flow from the injection tube to the target stratum, a packing part formed between the injection tube and an inner portion of the casing part, a heat coil part surrounding the injection tube, and a temperature adjusting unit controlling a temperature of the heat coil part.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: July 7, 2015
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Kue-Young Kim, Taehee Kim, Jeong-Chan Kim
  • CLINOMETER AND METHOD FOR MEASURING STRIKE AND DIP ANGLE USING SAME
    Publication number: 20150185004
    Abstract: A clinometer including a base plate and a compass which is mounted on the base plate and can measure a strike and a dip angle. The compass includes a first case which is rotationally provided on the base plate so as to move a strike scale indicated on the rim of the compass to a certain position and a second case which is provided in the first case, and which is fixed on the base plate so as to fix a dip scale indicated on the rim of the compass at a certain position.
    Type: Application
    Filed: March 25, 2013
    Publication date: July 2, 2015
    Applicant: Korea Institute of Geoscience and Mineral Resources
    Inventors: Chung-Ryul Ryoo, Hanyeang Lee
  • Apparatus and method for simulating submarine landslide resulting from gas hydrate dissociation or earthquake
    Patent number: 9068309
    Abstract: Disclosed herein is an apparatus and method for simulating a submarine landslide. The apparatus includes an inclined flume; a plurality of sedimentary layers which are stacked on top of one another in the flume and tapped; water which is charged into the flume on the sedimentary layers in such a way that the surface of the water is formed in the flume; and a plurality of injectors which are provided in a bottom of the flume so as to be movable upwards or downwards with respect to the flume and inject gas or water into the sedimentary layer. The sedimentary layers are changed in pressure and temperature by the gas or water injected from the injectors into the sedimentary layers so that an artificial slope collapse is caused, whereby a water wave is generated in the flume.
    Type: Grant
    Filed: June 20, 2013
    Date of Patent: June 30, 2015
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Sueng Won Jeong, Sung-Sik Park, Gil Young Kim, Jang-Jun Bahk, Seong-Pil Kim, Sang Hoon Lee
  • Debris-flow simulation apparatus having variable flume
    Patent number: 9070304
    Abstract: Disclosed herein is a debris-flow simulation apparatus having a variable flume. The flume includes a plurality of flume bodies which are connected to each other in the longitudinal direction. The heights of the flume bodies can be easily adjusted, thus varying the angles of inclination of the flume bodies.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: June 30, 2015
    Assignee: Korea Institute of Geoscience and Mineral Resources
    Inventor: Sueng Won Jeong
  • Apparatus and method for processing leaking carbon dioxide
    Patent number: 9068698
    Abstract: Disclosed herein is an apparatus for processing leaking carbon dioxide, which is provided to a transfer line composed of pipes connected from a carbon dioxide generation facility to a carbon dioxide reservoir to process the leakage of carbon dioxide, including: a box-shaped shield case provided to cover a connection part of the pipes constituting the transfer line to prevent carbon dioxide leaking from the connection part from diffusing; and a bypasser bypassing the carbon dioxide into the shield case to the outside of the shield and storing this carbon dioxide. The apparatus is advantageous in that the diffusion of the carbon dioxide leaking from the connection part of the transfer line is blocked by the shield case, and simultaneously is supplied to the collection tank and stored therein by the bypasser, thereby preventing the leaking carbon dioxide from diffusing.
    Type: Grant
    Filed: September 8, 2014
    Date of Patent: June 30, 2015
    Assignee: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Jongmyung Park, Dae Gee Huh
  • Method of producing calcite capable of controlling a grain size thereof
    Patent number: 9056781
    Abstract: Provided is a method of synthesizing high-purity calcite capable of controlling a grain size thereof, by reacting an aqueous calcium chloride solution with CO2 gas under strong alkaline condition, to crystallize into white and ultra-fine grain calcite. The method of synthesizing fine-grain calcite according to the present disclosure can decrease super-saturation by producing calcite under the strong alkaline conditions, thereby suppressing generation and growth of grain, resulting in controlling the grain size. Therefore, the above method is useful in producing high-purity ultra-fine grain calcite and can control the grain size of calcite from several hundreds of nanometers to several tens of nanometers by regulating the concentration of an aqueous caustic soda solution.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: June 16, 2015
    Assignee: Korea Institute of Geoscience and Mineral Resources
    Inventors: Young Nam Jang, Kyoung Won Ryu, Myung Gyu Lee, Seung Woo Lee, Kyung Sun Song, Jun Hwan Bang, Soo Chun Chae
  • Method for manufacturing electrode module for recovery of metal ions, electrode module for recovery of metal ions, and apparatus for recovery of metal ions including the same
    Patent number: 9057139
    Abstract: The present invention relates to a method for manufacturing an electrode module for recovery of metal ions, an electrode module for recovery of metal ions, and an apparatus for recovery of metal ions including the same. The present invention provides a method for manufacturing an electrode module for recovery of metal ions, the method including the steps of: a) preparing a first electrode part and a second electrode part for electrically adsorbing or desorbing metal ions contained in a liquid; and b) interposing an insulating layer, through which the liquid passes, between the first electrode part and the second electrode part, an electrode module for recovery of metal ions manufactured by the method, and an apparatus for recovery of metal ions including the same.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: June 16, 2015
    Assignee: Korea Institute of Geoscience and Mineral Resources (KIGAM)
    Inventors: Kang-Sup Chung, Tae Gong Ryu, Jae Chun Ryu
  • METHOD OF PRE-TREATING MOLYBDENITE CONTAINING COPPER
    Publication number: 20150147247
    Abstract: Disclosed is a method of pre-treating molybdenite containing copper. The method includes mixing molybdenite containing copper with sulfuric acid, performing a sulfation reaction through a heating process after the mixing process is performed, performing a water leaching process by putting and stirring water after the sulfation reaction is performed, separating a cake from liquid after the water leaching process is performed, and drying the separated cake.
    Type: Application
    Filed: December 13, 2013
    Publication date: May 28, 2015
    Applicant: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Young-Yoon Choi, Shun-Myung Shin, Chul-Woo Nam, Hyung-Seok Kim
  • INDUCTION TYPE BROADBAND 3-COMPONENT BOREHOLE MAGNETIC MEASURING SENSOR AND BOREHOLE ELECTROMAGNETIC TOMOGRAPHY METHOD USING THE SAME
    Publication number: 20150145519
    Abstract: Borehole electromagnetic exploration or tomography (EM tomography). An induction type broadband 3-component borehole magnetic measuring sensor can accurately and precisely measure a broadband magnetic field about x, y and z axes using a three-dimensional (3D) model within a borehole by monitoring natural variations in the earth's magnetic field or based on EM tomography using the borehole. The measuring sensor is applicable to energy resource fields such as petroleum and coal, mineral resources fields and civil engineering and environmental fields.
    Type: Application
    Filed: October 31, 2014
    Publication date: May 28, 2015
    Applicant: Korea Institute of Geoscience and Mineral Resource
    Inventors: Tae Jong Lee, Yoonho Song, Myeong Jong Yi
  • CORING SYSTEM INCLUDING TENSIOMETER AND METHOD OF DECIDING ACCURATE CORING USING THE SAME
    Publication number: 20150136487
    Abstract: The present invention relates to a coring system and a determining method that can determine whether accurate coring was achieved. A coring system according to the present invention includes: a coring part with a core to be filled with an object to be cored; a driving unit controlling upward/downward movement of the coring part; a rope connecting the coring part with the driving unit; and a tensiometer measuring tension in the rope.
    Type: Application
    Filed: April 16, 2014
    Publication date: May 21, 2015
    Applicant: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCE
    Inventors: Moo Hee Kang, Gee Soo Kong, Kyong O. Kim, Jin Ho Kim, Young Ho Yoon, Chang Sik Lee, Kyu Jung Kim
  • CORING SYSTEM CONSIDERING TILTING OF CORING PART AND METHOD OF COMPENSATING DEPTH OF CORING PART USING THE SAME
    Publication number: 20150136486
    Abstract: The present invention relates to a coring system considering a tilt of a coring part and a method of compensating for a depth of a coring part using the same. A coring system according to the present invention includes: a coring part with a core to be filled with an object to be cored; a driving unit controlling upward/downward movement of the coring part; a rope connecting the coring part with the driving unit; and a tilt meter measuring a tilt of the coring part.
    Type: Application
    Filed: March 21, 2014
    Publication date: May 21, 2015
    Applicant: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Moo Hee Kang, Gee Soo Kong, Kyong O. Kim, Jin Ho Kim, Young Ho Yoon, Chang Sik Lee, Kyu Jung Kim
  • CLINOCOMPASS FOR MEASURING STRIKE AND DIP ON IRREGULAR GEOLOGICAL OUTCROP, AND METHOD OF MEASURING STRIKE AND DIP BY USING THE SAME
    Publication number: 20150128430
    Abstract: Disclosed is a clinocompass for measuring a strike and a dip on an irregular geological outcrop and a method of measuring the strike and the dip by using the same. Since the level meter of the clinometer is supported by providing a support force and a fixing force on an irregular geological outcrop having no exposed flat plane, the clinocompass serves as a supporting member or a fixing member for the measurement of the strike and the dip on an irregular geological outcrop having no exposed flat plane. Accordingly, the clinocompass has a structure to measure the strike and the dip suitable for the geological structure and the orientation of the outcrop having no exposed flat plane, so that the strike and the dip are usefully measured.
    Type: Application
    Filed: February 28, 2014
    Publication date: May 14, 2015
    Applicant: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Raehee Han, Ki-Sung Sung, Jeong-Chan Kim
  • Portable unmanned airship for magnetic-force surveying and a magnetic-force surveying system employing the same
    Patent number: 9030203
    Abstract: Disclosed are a portable unmanned airship for magnetic survey and a magnetic survey system using the same. The portable unmanned airship includes a fuselage using buoyancy of gas and propelled by motive power of the fuselage itself; an auto-flight unit automatically guiding the fuselage; a magnetometer disposed in the fuselage and measuring magnetic force of a stratum or a surface of the earth; a wireless communication unit transmitting magnetic data obtained by the magnetometer outside; and a control module controlling operations of the auto-flight unit and the magnetometer. With this configuration, it is possible to increase total operation time and a payload capacity of the unmanned airship.
    Type: Grant
    Filed: October 29, 2009
    Date of Patent: May 12, 2015
    Assignee: Korea Institute of Geosciences & Mineral Resources
    Inventors: Seong-Jun Cho, Jong-Sou Park, Gye-Soon Park
  • METHOD OF LEACHING MOLYBDENUM FROM SULFIDE MINERAL CONTAINING MOLYBDENUM AND COPPER THROUGH ELECTROLYTIC OXIDATION SCHEME
    Publication number: 20150122667
    Abstract: Disclosed is a method of leaching molybdenum (Mo) from the sulfide mineral containing molybdenum (Mo) and copper (Cu) through the electrolytic oxidation scheme. The method includes dipping the sulfide mineral containing the molybdenum (Mo) and the copper (Cu) into a solution having chloride dissolved therein, loading an electrode into the solution, and then applying a current to the solution.
    Type: Application
    Filed: November 26, 2013
    Publication date: May 7, 2015
    Applicant: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Kyeong-Woo CHUNG, Hyung-Kyu PARK, Ho-Sung YOON, Chul-Joo KIM, Shun-Myung SHIN
  • METHOD OF RECOVERING RARE EARTH ELEMENTS FROM OXIDIZED SCRAP OF PERMANENT MAGNET
    Publication number: 20150122084
    Abstract: Disclosed is a method of recovering a rare earth element from oxidized scrap of permanent magnet. The method includes leaching an oxidized scrap of a permanent magnet from a sulfuric acid solution, and recovering the rare earth element after precipitating the rare earth element contained in the oxidized scrap of the permanent magnet by adding sodium sulfate into the sulfuric acid solution.
    Type: Application
    Filed: May 23, 2014
    Publication date: May 7, 2015
    Applicant: KOREA INSTITUTE OF GEOSCIENCE AND MINERAL RESOURCES
    Inventors: Ho-Sung YOON, Chul-Joo KIM, Kyeong-Woo CHUNG
  • Fixture structure for reusing underground micro-seismic sensor
    Patent number: 9016360
    Abstract: Disclosed herein is a fixture structure for reusing an underground micro-seismic sensor, including: a sensor body configured to be inserted in a borehole and having a sensing portion for sensing micro seismic event; a first fixture portion formed at one surface of the sensor body; a second fixture portion coupled to the first fixture portion and configured to be fixed to a grouting member injected into the borehole; and a separation unit installed between the first fixture portion and the second fixture portion and configured to separate the first fixture portion and the second fixture portion from each other by external force.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: April 28, 2015
    Assignee: Korea Institute of Geoscience and Mineral Resources
    Inventors: Dae-Sung Cheon, Eui-Sub Park, Dae-Gee Huh