公开(公告)号：US20210387157A1

公开(公告)日：2021-12-16

申请号：US17459038

申请日：2021-08-27

Applicant: GAS TECHNOLOGIES LLC

Inventor： Evan VISSER ,  Walter BREIDENSTEIN

IPC: B01J19/24 ,  C10G5/06 ,  B64C27/12 ,  F16H57/00 ,  F16H57/025 ,  F16H57/04 ,  B01D3/00 ,  B01D3/14 ,  C07C41/56 ,  C07C41/58 ,  C10L1/02

Abstract: A method for forming poly(dimethoxymethane) includes a step of separating a formaldehyde-containing blend into a first bottom stream and a first top stream. The first formaldehyde-containing blend includes methanol, formaldehyde, and water while the first bottom stream includes water. The first top stream includes dimethoxymethane that is produced from the reaction between methanol and formaldehyde. The first top stream is separated into a second bottom stream and a second top stream. The second bottom stream includes poly(dimethoxymethane) while the second top stream includes dimethoxymethane, methanol, and ethanol. The second top stream is separated into a third bottom stream and a third top stream. Third bottom stream includes methanol and ethanol while the third top stream includes dimethoxymethane. The third top steam can be recycled to form additional poly(dimethoxymethane). A system that implements the method is also provided.

公开(公告)号：US20240409834A1

公开(公告)日：2024-12-12

申请号：US18700882

申请日：2022-10-12

Applicant: GAS TECHNOLOGIES LLC

Inventor： Walter BREIDENSTEIN ,  Evan VISSER ,  Hanif CHOUDHURY

IPC: C10L3/10

Abstract: A methane purification system includes one or more components that cool and compress an input methane-containing gaseous mixture stream to form a first methane-containing gaseous mixture stream. A filter-separator in fluid communication with the one or more components receives the first methane-containing gaseous mixture stream removing water therefrom to form a second methane-containing gaseous mixture stream. An activated carbon station receives the second methane-containing gaseous mixture stream removing hydrogen sulfide therefrom to form a third methane-containing gaseous mixture stream. A methanol scrubber that receives the third methane-containing gaseous mixture stream or an expanded stream therefrom, removing carbon dioxide to form a fourth methane-containing gaseous mixture stream. A final stage separator produces a purified methane stream from the fourth methane-containing gaseous mixture stream or an expanded stream therefrom.

公开(公告)号：US20190282993A1

公开(公告)日：2019-09-19

申请号：US16434318

申请日：2019-06-07

Applicant: GAS TECHNOLOGIES LLC

Inventor： Evan VISSER ,  Walter BREIDENSTEIN

IPC: B01J19/24 ,  B01D3/14 ,  C07C41/58 ,  B01D3/00 ,  C10L1/02 ,  C07C41/56

Abstract: A method for forming poly(dimethoxymethane) includes a step of separating a formaldehyde-containing blend into a first bottom stream and a first top stream. The first formaldehyde-containing blend includes methanol, formaldehyde, and water while the first bottom stream includes water. The first top stream includes dimethoxymethane that is produced from the reaction between methanol and formaldehyde. The first top stream is separated into a second bottom stream and a second top stream. The second bottom stream includes poly(dimethoxymethane) while the second top stream includes dimethoxymethane, methanol, and ethanol. The second top stream is separated into a third bottom stream and a third top stream. Third bottom stream includes methanol and ethanol while the third top stream includes dimethoxymethane. The third top steam can be recycled to form additional poly(dimethoxymethane). A system that implements the method is also provided.