公开(公告)号：US11772971B2

公开(公告)日：2023-10-03

申请号：US18245254

申请日：2022-07-15

Applicant: STAMICARBON B.V.

Inventor： Carmen Pérez Salmerón ,  Aldo Maria Iaquaniello ,  Joey Dobree ,  Maria Paz Muñoz López

IPC: C01B21/40 ,  C01C1/04 ,  B01D53/18 ,  B01J8/02 ,  B01J19/24

CPC classification number: C01B21/40 ,  B01D53/18 ,  B01J8/0278 ,  B01J8/0285 ,  B01J19/245 ,  C01C1/0405 ,  B01J2208/00504

Abstract: The disclosure pertains to a nitric acid production process and plant. The process involves supplying an oxygen gas stream and ammonia feedstock to the burner section. In embodiments, a part of the tail gas stream (4) is heated in a tail gas heating section (7) and supplied to the burner section (1).