公开(公告)号：US20240035135A1

公开(公告)日：2024-02-01

申请号：US18481659

申请日：2023-10-05

Applicant: Stamicarbon B.V.

Inventor： Daniel GULLBERG ,  Christina HARALDSSON ,  Anders WILSON ,  Alexander Aleida Antonius SCHEERDER ,  Kirk Anguah OFEI

IPC: C22C38/58 ,  B01J19/02 ,  C22C38/00 ,  C22C38/02 ,  C22C38/04 ,  C22C38/44 ,  F28F21/08 ,  C21D9/08 ,  C21D8/00 ,  C22C33/04 ,  C07C273/04 ,  C21D6/00 ,  B01D1/06 ,  B01D3/32 ,  C22C1/02 ,  C22C38/42

CPC classification number: C22C38/58 ,  B01J19/02 ,  C22C38/001 ,  C22C38/02 ,  C22C38/04 ,  C22C38/44 ,  F28F21/083 ,  C21D9/08 ,  C21D8/005 ,  C22C33/04 ,  C07C273/04 ,  C21D6/004 ,  B01D1/06 ,  C22C38/004 ,  B01D3/32 ,  C22C1/02 ,  C22C38/42 ,  C21D2211/001 ,  C21D2211/005 ,  B01J2219/0286 ,  Y02P10/122

Abstract: The present disclosure relates to a corrosion resistant duplex stainless steel (ferritic austenitic alloy) which is suitable for use in a plant for the production of urea; and uses thereof. The disclosure also relates to objects made of said duplex stainless steel. Furthermore, the present disclosure also relates to a method for the production of urea and to a plant for the production of urea comprising one or more parts made from said duplex stainless steel, and to a method of modifying an existing plant for the production of urea.

公开(公告)号：US20180195158A1

公开(公告)日：2018-07-12

申请号：US15746384

申请日：2016-07-20

Applicant: STAMICARBON B.V.

Inventor： Daniel GULLBERG ,  Christina HARALDSSON ,  Anders WILSON ,  Alexander Aleida Antonius SCHEERDER ,  Kirk Anguah OFEI

IPC: C22C38/58 ,  C22C38/44 ,  C22C38/42 ,  C22C38/04 ,  C22C38/02 ,  C22C38/00 ,  F28F21/08

CPC classification number: C22C38/58 ,  B01D1/06 ,  B01D3/32 ,  B01J19/02 ,  B01J2219/0286 ,  C07C273/04 ,  C21D6/004 ,  C21D8/005 ,  C21D9/08 ,  C21D2211/001 ,  C21D2211/005 ,  C22C1/02 ,  C22C33/04 ,  C22C38/001 ,  C22C38/004 ,  C22C38/02 ,  C22C38/04 ,  C22C38/42 ,  C22C38/44 ,  F28F21/083 ,  Y02P10/122

Abstract: The present disclosure relates to a corrosion resistant duplex stainless steel (ferritic austenitic alloy) which is suitable for use in a plant for the production of urea; and uses thereof. The disclosure also relates to objects made of said duplex stainless steel. Furthermore, the present disclosure also relates to a method for the production of urea and to a plant for the production of urea comprising one or more parts made from said duplex stainless steel, and to a method of modifying an existing plant for the production of urea.