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公开(公告)号:US12092010B2
公开(公告)日:2024-09-17
申请号:US18232290
申请日:2023-08-09
Inventor: Jin Hee Lee , Iljeong Heo , Tae Sun Chang , Ji Hoon Park , Sang Joon Kim , Young Jin Kim
CPC classification number: F01N3/202 , B01D53/0438 , B01D53/30 , B01D53/9431 , B01D53/9481 , B01D53/9495 , F01N3/208 , F01N3/2803 , B01D2253/108 , B01D2257/708 , F01N2370/04 , F01N2900/1402
Abstract: The present invention relates to a VOC reduction system and a VOC reduction method that applies pulse type thermal energy to a catalyst to activate the catalyst and oxidizes and removes the VOC.
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公开(公告)号:US10648387B1
公开(公告)日:2020-05-12
申请号:US16694508
申请日:2019-11-25
Applicant: Hyundai Motor Company , Kia Motors Corporation , Korea Research Institute of Chemical Technology
Inventor: Dalyoung Yoon , Chang Hwan Kim , Iljeong Heo , Young Woo You , Jin Hee Lee
Abstract: An exhaust gas post processing apparatus of a gasoline vehicle may include a housing mounted on the exhaust pipe to receive the exhaust gas discharged from the engine and to exhaust the exhaust gas passed through rearward thereof, a front end honeycomb catalyst unit embedded in the housing to primarily purify the exhaust gas introduced into the housing through a front end portion of the housing, and a rear end honeycomb catalyst unit embedded in the housing to secondarily purify the exhaust gas via the front end honeycomb catalyst unit before flowing out to a rear end portion of the housing, wherein the front end honeycomb catalyst unit includes a powder type catalyst in which an iridium-ruthenium alloy is supported on an aluminum oxide support powder, and the rear end honeycomb catalyst unit includes three-way catalyst powder which is configured to remove carbon monoxide, nitrogen oxides, and hydrocarbons simultaneously.
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公开(公告)号:US12121845B2
公开(公告)日:2024-10-22
申请号:US17630306
申请日:2020-07-24
Inventor: Iljeong Heo , Jin Hee Lee , Young Woo You , Yun Ho Jeong , Sang Joon Kim
CPC classification number: B01D53/0407 , B01D45/06 , G01N1/22
Abstract: The present invention relates to a kit for concentrating low-concentration air pollutants, and to a concentration kit for concentrating low-concentration air pollutants, and then desorbing same so as to detect the components and concentrations of the pollutants. The present invention comprises: a sensor positioned on a channel in which gas moves, so as to detect pollutants in the gas; and a concentration part, which comprises an adsorbent for adsorbing and desorbing the pollutants in the gas moving to the sensor, so as to transfer concentrated pollutants to the sensor.
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公开(公告)号:US20220033258A1
公开(公告)日:2022-02-03
申请号:US17390675
申请日:2021-07-30
Inventor: Ji Hoon Park , Kwan Yong Jeong , Soo Min Kim , Sunil Kwon , Iljeong Heo , Jin Hee Lee , Tae Sun Chang
Abstract: Proposed are a naphthalene-based hydrogen storage material including a naphthalene group, the naphthalene-based hydrogen storage material being capable of being used as a hydrogen storage media for supplying hydrogen to a device using hydrogen such as a fuel cell and a hydrogen combustion device, and to a method of storing and releasing hydrogen using the same. The hydrogen storage material can exhibit a significantly high hydrogen capacity, and can have excellent cost competitiveness with the use of a low-cost organic compound which is commercially available in the art.
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公开(公告)号:US11965446B2
公开(公告)日:2024-04-23
申请号:US17432063
申请日:2020-02-20
Inventor: Jin Hee Lee , Iljeong Heo , Tae Sun Chang , Ji Hoon Park , Sang Joon Kim , Young Jin Kim
CPC classification number: F01N3/202 , B01D53/0438 , B01D53/30 , B01D53/9431 , B01D53/9481 , B01D53/9495 , F01N3/208 , F01N3/2803 , B01D2253/108 , B01D2257/708 , F01N2370/04 , F01N2900/1402
Abstract: The present invention relates to a VOC reduction system and a VOC reduction method that applies pulse type thermal energy to a catalyst to activate the catalyst and oxidizes and removes the VOC.
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公开(公告)号:US11565997B2
公开(公告)日:2023-01-31
申请号:US16768866
申请日:2018-11-19
Inventor: Ji Hoon Park , Tae Sun Chang , Young Woo You , Iljeong Heo , Jin Hee Lee , Seul Gi Han , Kwan Yong Jeong
IPC: C07C269/04 , B01J23/10 , B01J23/44
Abstract: The present invention relates to a method of directly preparing a dicarbamate compound from a diamine compound, and more particularly to a method of directly preparing a dicarbamate compound by reacting a diamine compound with an alcohol compound in the presence of a mixed gas of carbon monoxide (CO) and oxygen (O2) using a Pd/MOx catalyst configured such that a palladium (Pd) active metal is supported on a metal oxide or metalloid oxide carrier.
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