公开(公告)号：US20250074859A1

公开(公告)日：2025-03-06

申请号：US18292365

申请日：2022-07-19

Applicant: BASF SE

Inventor： Tile GIESHOFF ,  Marvin KRAMP ,  Cornelis Hendricus DE RUITER ,  Karl-Friedrich SCHNEIDER ,  Felix HUELSMANN ,  Christian REIN ,  David ELIXMANN

IPC: C07C67/54

Abstract: A process for continuously distiling acrylates by means of a rectification column, wherein the acrylate content in the feed to the rectification column is at least 80% by weight, the liquid in the bottom region of the rectification column is heated by means of an evaporator, and the parts of the evaporator that are in contact with product are made from stainless steel.

公开(公告)号：US20240198263A1

公开(公告)日：2024-06-20

申请号：US18288043

申请日：2022-04-19

Applicant: BASF SE

Inventor： Yunfei ZHOU ,  Ortmund LANG ,  Matthias Wilhelm MEIER ,  Cornelis Hendricus DE RUITER ,  Marvin KRAMP ,  Gregor GRACKIEWICZ ,  Josef MACHT ,  Markus GITTER ,  Claus HECHLER

IPC: B01D45/16 ,  B01D47/06

CPC classification number: B01D45/16 ,  B01D47/06

Abstract: The invention relates to a centrifugal droplet separator for separating liquid droplets out of a gas stream, comprising a shell (1) having a circular cross section and a vertical longitudinal axis (11), an upper hood (2) that bounds the shell (1) at the top and has a gas exit port (7) for the gas stream cleaned in the centrifugal droplet separator, a drip plate (8) disposed beneath the gas exit port (7), a lower hood (10) that bounds the shell (1) at the bottom and has a liquid exit port (4) for removal of the deposited liquid droplets, and an inlet (3) that opens tangentially into the shell (1) for supply of the gas stream,



wherein
there are at least two nozzles (9) for feeding a stabilizer liquid into the interior of the centrifugal droplet separator, the respective nozzle outlet (15) of which is disposed between the tangential inlet (3) and the drip plate (8) in vertical direction, where the main spraying direction (12) of the nozzles (9) is directed upward at an internal angle of 0 to 60° relative to the vertical longitudinal axis (11).




The invention additionally also relates to a method of separating liquid droplets out of a gas stream in such a centrifugal droplet separator.

公开(公告)号：US20240010603A1

公开(公告)日：2024-01-11

申请号：US18039986

申请日：2021-12-08

Applicant: BASF SE

Inventor： Dominik HERBRECHT ,  Cornelis Hendricus DE RUITER ,  Marvin KRAMP ,  Maike FEUERSTEIN ,  Piotr MAKARCZYK ,  Tile GIESHOFF

IPC: C07C67/08

CPC classification number: C07C67/08

Abstract: The present invention relates to a process for the continuous preparation of (meth)acrylate by reacting an alcohol with a (meth)acrylic acid using at least one control unit which is closed-loop controlled by a sensor (S).