18271877. PROCESS FOR WORKING-UP A NITROUS OXIDE COMPRISING OFF-GAS STREAM simplified abstract (BASF SE)

PROCESS FOR WORKING-UP A NITROUS OXIDE COMPRISING OFF-GAS STREAM

Organization Name

BASF SE

Inventor(s)

[[:Category:Andreas W�lfert of Ludwigshafen am Rhein (DE)|Andreas W�lfert of Ludwigshafen am Rhein (DE)]][[Category:Andreas W�lfert of Ludwigshafen am Rhein (DE)]]

Michael Lorenz of Ludwigshafen am Rhein (DE)

Gerrit Waters of Ludwigshafen am Rhein (DE)

Marcus Reble of Ludwigshafen am Rhein (DE)

Holger Friedrich of Ludwigshafen am Rhein (DE)

Andreas Weickgenannt of Ludwigshafen am Rhein (DE)

Wolfgang Gmeiner of Ludwigshafen am Rhein (DE)

PROCESS FOR WORKING-UP A NITROUS OXIDE COMPRISING OFF-GAS STREAM - A simplified explanation of the abstract

This abstract first appeared for US patent application 18271877 titled 'PROCESS FOR WORKING-UP A NITROUS OXIDE COMPRISING OFF-GAS STREAM

The invention involves a process for treating a nitrous oxide off-gas stream from the production of adipic acid by decomposing the nitrous oxide into nitrogen and oxygen in a fixed bed reactor of a NO decomposition unit at a temperature between 430 to 800°C to produce a purified gas.

• The process utilizes a nonlinear model predictive control system based on a reactor model of the fixed bed reactor, incorporating equations for energy transport and species transport of nitrogen, oxygen, and NO.
• The technology aims to efficiently control the NO decomposition unit for optimal performance and gas purification.
• By decomposing nitrous oxide into nitrogen and oxygen, the process helps reduce harmful emissions and environmental impact.
• The use of a fixed bed reactor and advanced control system enhances the overall efficiency of the gas treatment process.
• The innovation offers a more sustainable approach to handling nitrous oxide emissions in industrial processes.

Potential Applications: - Industrial gas treatment processes - Environmental protection and emission control in chemical plants - Sustainable production practices in the chemical industry

Problems Solved: - Efficient decomposition of nitrous oxide in off-gas streams - Enhanced control and optimization of NO decomposition units - Reduction of harmful emissions and environmental impact

Benefits: - Improved gas purification process - Reduced environmental footprint - Enhanced operational efficiency in chemical plants

Commercial Applications: Title: Advanced Nitrous Oxide Decomposition Technology for Industrial Gas Treatment This technology can be applied in various industries such as chemical manufacturing, environmental engineering, and gas treatment facilities. It offers a more sustainable and efficient solution for handling nitrous oxide emissions, aligning with the growing focus on environmental sustainability in industrial operations.

Questions about Nitrous Oxide Decomposition Technology: 1. How does the nonlinear model predictive control system improve the efficiency of the NO decomposition unit? - The nonlinear model predictive control system optimizes the performance of the NO decomposition unit by utilizing a reactor model of the fixed bed reactor to predict and adjust process parameters in real-time, ensuring optimal decomposition of nitrous oxide. 2. What are the key advantages of using a fixed bed reactor in the decomposition of nitrous oxide? - The fixed bed reactor provides a stable and efficient platform for decomposing nitrous oxide, allowing for better control over the reaction process and ensuring high purity of the resulting gases.

Original Abstract Submitted

The invention relates on a process for working-up a nitrous oxide comprising off-gas stream from a production process of adipic acid by decomposing the nitrous oxide contained in the off-gas stream into nitrogen and oxygen in a fixed bed reactor () of a NO decomposition unit () at a temperature in the range from 430 to 800° C. to obtain a purified gas, wherein for controlling the NO decomposition unit () a nonlinear model predictive control is used which is based on a reactor model of the fixed bed reactor based on equations of energy transport and species transport for nitrogen, oxygen and NO.