Consisting of a phenyl group (−C6H5) attached to an amino group (−NH2), aniline is the simplest aromatic amine. It is an industrially significant commodity chemical, as well as a versatile starting material for fine chemical synthesis. Its main use is in the manufacture of precursors to polyurethane, dyes, and other industrial chemicals.

2024年8月11日 · Production of Aniline The majority of aniline synthesis processes used in commercial applications initiate from benzene. Although there have been attempts to directly aminate benzene, the process requires high temperature and pressure, as well as an excess of ammonia, which has hindered the development of an economically viable method.

2016年3月1日 · The following paragraphs describe aniline production from nitrobenzene via a liquid-phase hydrogenation process, similar to the one owned by DuPont (Wilmington, Del.; www.dupont.com). The process can be divided into three main parts: nitrobenzene hydrogenation, dehydration and purification.

This report presents the economics of Aniline production from nitrobenzene and hydrogen. The process is a liquid phase nitrobenzene hydrogenation technology (similar to technologies developed by Dupont and Chematur). The primary objective of this study is to explain the cost structure of the aforementioned process,

2017年1月20日 · The objective is to design a plant from raw material to product for the production of aniline by direct amination of benzene. The process design is started on a conceptual level and ended on a basic engineering level as well as a techno-economical evaluation.

2020年12月1日 · Given that the nitration of benzene and the Halcon synthesis route – two of the most commonly used aniline production processes – require severe operating conditions, and that the design of a process employing a safer reaction mechanism remains unexplored, we report a novel and profitable aniline manufacturing process via the amination of ...

This report presents Aniline manufacturing cost analysis of Aniline production from phenol. The process examined is a typical phenol ammonolysis process. In this process, phenol is reacted with ammonia in a fixed-bed reactor, producing Aniline. This report examines Aniline plant capital costs and the continuing operating costs associated

The first commercial manufacturing process of aniline was developed by Bechamp and Perkin based on the reduction of nitrobenzene under the presence of iron powder and acid in the 1850's.

2023年8月2日 · The traditional aniline production method has proved to be economically efficient but not atom-efficient. Consequently, chemists have been interested in aniline production via direct benzene amination, with the ideal method combining ammonia and benzene with …

2018年6月3日 · A process for the production of high-quality aniline from mononitrobenzene. Aniline is produced by the nitration of benzene with nitric acid to mononitrobenzene (MNB) which is subsequently hydrogenated to aniline.