公开(公告)号：US11912803B2

公开(公告)日：2024-02-27

申请号：US17103381

申请日：2020-11-24

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Jee Hye Byun ,  Eunhoo Jeong ,  Seok Won Hong

IPC: C08F259/08 ,  B01D71/34 ,  B01D69/12 ,  B01D67/00 ,  B01D65/08 ,  C02F1/44 ,  C08J5/22 ,  C02F101/30 ,  C02F101/20

CPC classification number: C08F259/08 ,  B01D65/08 ,  B01D67/0095 ,  B01D67/00931 ,  B01D69/125 ,  B01D71/34 ,  C02F1/44 ,  C08J5/2293 ,  B01D2321/168 ,  B01D2323/30 ,  B01D2323/36 ,  C02F2101/20 ,  C02F2101/308 ,  C02F2303/04 ,  C02F2303/20 ,  C08J2351/00

Abstract: The present disclosure relates to a conjugated polyelectrolyte-grafted membrane, which is obtained by fixing a conjugated polyelectrolyte (CPE) capable of generating active oxygen under visible light irradiation to a membrane through crosslinking, and can remove contaminants in water, while reducing bio-fouling on the surface of the membrane, by generating active oxygen through a photocatalytic reaction of the conjugated polyelectrolyte (CPE), as well as to a method for manufacturing the same. The method for manufacturing a conjugated polyelectrolyte-grafted membrane includes the steps of: preparing a conjugated polyelectrolyte (CPE); coating a conjugated polyelectrolyte (CPE) on the surface of a membrane; and carrying out crosslinking of the conjugated polyelectrolyte (CPE) with the surface of the membrane.

公开(公告)号：US11142472B2

公开(公告)日：2021-10-12

申请号：US16677679

申请日：2019-11-08

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Seong Pil Jeong ,  Kyungjin Cho ,  Jae Woo Choi ,  Seok Won Hong ,  Seunghak Lee ,  Eun-Ju Kim ,  Jae Shik Chung ,  Hien Thi Nguyen ,  Youngjae Kim

IPC: C02F1/52 ,  E03B3/34 ,  C02F101/32 ,  C02F1/00

Abstract: The present invention is an aquifer storage and recovery system using a natural coagulant, in which in purifying raw water through aquifer storage and recovery, assimilable organic carbon (AOC) included in the raw water is effectively removed using a natural coagulant produced in the aquifer storage and recovery process, thereby reducing the time required to purify raw water by aquifer storage and recovery.

公开(公告)号：US09938168B2

公开(公告)日：2018-04-10

申请号：US15052085

申请日：2016-02-24

Applicant: Korea Institute of Science and Technology

Inventor： Seok Won Hong ,  Kang Woo Cho ,  Yunchul Chung ,  Sanghyup Lee ,  Boyoung Jeong

IPC: C02F1/467 ,  C02F1/461 ,  C02F101/36

CPC classification number: C02F1/4672 ,  C02F1/46114 ,  C02F2001/46142 ,  C02F2101/36 ,  C02F2201/46135

Abstract: The apparatus for water treatment using in-situ activation of a manganese dioxide catalyst includes: a reaction bath configured to give a space where aqueous organic contaminants are removed by means of reaction with permanganate (MnO4−) generated by electrochemical oxidation of manganese oxide (MnO2); a plurality of manganese dioxide catalysts provided at the reaction bath and electrochemically oxidized into permanganate (MnO4−) by a voltage applied thereto; and a power supply device configured to apply power to the manganese dioxide catalyst so that the manganese dioxide (MnO2) is electrochemically oxidized into permanganate (MnO4−).

公开(公告)号：US09295974B2

公开(公告)日：2016-03-29

申请号：US13900109

申请日：2013-05-22

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Seok Won Hong ,  Sanghyup Lee ,  Kyung Guen Song ,  Eunhoo Jeong ,  Jae Woo Choi

IPC: B01J20/26 ,  B01J20/32 ,  B01J20/34 ,  B01J20/28

CPC classification number: B01J20/3475 ,  B01J20/26 ,  B01J20/28045 ,  B01J20/3231 ,  B01J20/3257

Abstract: The present disclosure relates to a floating type adsorbent for removal of phosphate that can effectively remove phosphate from aqueous phase through reaction between an amine function attached on the surface of a sponge and phosphate. This adsorbent can be regenerated by desorbing the adsorbed phosphate, a method for fabricating same and a method for regeneration the floating type adsorbent for removal of phosphate. The floating type adsorbent for removal of phosphate according to the present disclosure is fabricated by immersing a sponge in a mixture solution of an amine precursor and anhydrous toluene to form an amine function on the surface of the sponge. The amine precursor may be 3-aminopropyltriethoxysilane (APTES) and the APTES and the anhydrous toluene may be mixed at a volume ratio of 0.5-1:1.

Abstract translation: 本公开涉及一种用于除去磷酸盐的浮选型吸附剂，其可以通过附着在海绵表面和磷酸盐之间的胺官能团的反应，从水相中有效地除去磷酸盐。 该吸附剂可以通过解吸吸附的磷酸盐，其制造方法和再生漂浮型吸附剂以除去磷酸盐的方法而再生。 根据本公开的用于去除磷酸盐的浮动型吸附剂通过将海绵浸入在胺前体和无水甲苯的混合溶液中以在海绵表面上形成胺官能团来制造。 胺前体可以是3-氨基丙基三乙氧基硅烷（APTES），APTES和无水甲苯可以以0.5-1:1的体积比混合。

公开(公告)号：US20140144839A1

公开(公告)日：2014-05-29

申请号：US14043246

申请日：2013-10-01

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Yong Su Choi ,  Kyu Won Seo ,  Jae Shik Chung ,  Seok Won Hong ,  Gyobeom Kim

IPC: C02F3/02

CPC classification number: C02F3/02 ,  C02F3/1268 ,  C02F3/308 ,  C02F3/322 ,  C12M21/02 ,  C12M23/58 ,  C12M29/04 ,  C12M29/06 ,  C12M29/14 ,  C12M29/26 ,  C12M33/14 ,  C12N1/12 ,  Y02W10/15

Abstract: Disclosed herein are an apparatus and method for cultivating microalgae using effluent from sludge treatment. The apparatus includes an advanced sewage treatment apparatus, a sludge treatment apparatus and a microalgae cultivation apparatus, the sludge treatment apparatus including: a first aerobic reactor which is operated under aerobic conditions and serves to ferment sludge; a second aerobic reactor which is operated in a state in which air is injected in an amount larger than that in the first aerobic reactor, and serves to increase the fermentation activity of microorganisms in the sludge and degrade the sludge; a membrane bio-reactor (MBR) which serves to receive effluent from the second aerobic reactor and biologically remove high-concentration organic matter from the effluent by the action of aerobic microorganisms while removing total suspended solids using a membrane, wherein the effluent discharged from the MBR reactor is supplied to the microalgae cultivation apparatus.

Abstract translation: 本文公开了使用污泥处理的流出物培养微藻的装置和方法。 该装置包括先进的污水处理装置，污泥处理装置和微藻培养装置，所述污泥处理装置包括：在需氧条件下运行并用于发酵污泥的第一需氧反应器; 第二需氧反应器，其以大于第一需氧反应器中的空气的量喷射的状态运行，并且用于增加污泥中微生物的发酵活性并降解污泥; 膜生物反应器（MBR），其用于接收来自第二需氧反应器的流出物，并通过有氧微生物的作用从流出物中生物去除高浓度有机物质，同时使用膜去除总悬浮固体，其中从 向微藻培养装置供给MBR反应器。

公开(公告)号：US09358522B2

公开(公告)日：2016-06-07

申请号：US13667797

申请日：2012-11-02

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Seok Won Hong ,  Sang Hyup Lee ,  Jae Woo Choi ,  Seung Gun Chung

IPC: B01J20/18 ,  B01J20/28 ,  B01J20/22 ,  B01J20/285 ,  B01J20/02 ,  B01J20/24 ,  B01J20/06 ,  B01J20/30 ,  B01J20/32 ,  C02F1/28 ,  C02F101/20

CPC classification number: B01J20/28019 ,  B01J20/0229 ,  B01J20/06 ,  B01J20/18 ,  B01J20/22 ,  B01J20/223 ,  B01J20/24 ,  B01J20/2803 ,  B01J20/285 ,  B01J20/3014 ,  B01J20/3078 ,  B01J20/3085 ,  B01J20/3204 ,  B01J20/3257 ,  C02F1/281 ,  C02F1/286 ,  C02F1/288 ,  C02F2101/20

Abstract: A composite medium and method thereof for simultaneous removal of cationic and anionic heavy metals are provided to remove cationic and anionic heavy metals effectively. The method includes dissolving sodium alginate powder into deionized water to provide an alginate solution, and introducing amine group-supported mesoporous iron oxide and synthetic zeolite into the alginate solution and kneading the resultant mixture. The method also includes adding the alginate solution mixed with the mesoporous iron oxide and synthetic zeolite dropwise to an aqueous calcium chloride solution so that each drop of alginate solution is cured to form a bead-like composite medium, and vacuum drying the bead-like composite medium to remove water present in the composite medium, while the mesoporous iron oxide and synthetic zeolite are moved from the inside of the composite medium toward the surface of the composite medium.

Abstract translation: 提供用于同时去除阳离子和阴离子重金属的复合介质及其方法以有效地去除阳离子和阴离子重金属。 该方法包括将藻酸钠粉末溶解在去离子水中以提供藻酸盐溶液，并将胺基担载的介孔氧化铁和合成沸石引入到藻酸盐溶液中并捏合所得混合物。 该方法还包括将中孔氧化铁和合成沸石混合的藻酸盐溶液滴加到氯化钙水溶液中，使每一滴藻酸盐溶液固化形成珠状复合介质，真空干燥珠状复合材料 介质以除去存在于复合介质中的水，同时介孔氧化铁和合成沸石从复合介质的内部朝向复合介质的表面移动。