公开(公告)号：US20230286811A1

公开(公告)日：2023-09-14

申请号：US18016527

申请日：2021-07-23

申请人： LG CHEM, LTD.

发明人： Young Hun KIM ,  Tae Gyeong KANG ,  Joon Ho SHIN ,  Se Won BAEK ,  Kyoung Shil OH ,  Sang Woo PARK ,  Sung Jin YOO

IPC分类号： C01B33/158 ,  C01B33/152

CPC分类号： C01B33/1585 ,  C01B33/152

摘要： Provided is a method of manufacturing a silica aerogel, which includes: (1) manufacturing a hydrogel composite; (2) washing the manufactured hydrogel composite with a washing solvent; and (3) drying the washed hydrogel composite, wherein, impurities are removed from the hydrogel composite in Step (2), and the washing solvent is heated to a temperature equal to or higher than the boiling point (b.p.) of the washing solvent.

公开(公告)号：US20210140072A1

公开(公告)日：2021-05-13

申请号：US16623162

申请日：2018-12-24

申请人： LG CHEM, LTD.

发明人： Jae Ik LEE ,  Sung Jin YOO ,  Jeong Seok LEE, ,  Mi Kyung KIM

IPC分类号： D01F13/00 ,  B01D3/14 ,  B01D3/32 ,  B01D5/00 ,  D01F6/54

摘要： The present invention relates to an energy saving method for separating an unreacted monomer, by which an unreacted monomer may be easily recovered from a mixture solution including an unreacted monomer, and a separation system which is capable of performing the method.