benzene alkylation catalyst - Names and Identifiers
benzene alkylation catalyst - Physico-chemical Properties
Physical and Chemical Properties | Strip particles, the size of the shape is 1.8mm X (3~8)mm, the bulk density of 600 ~ 700kg/m3, compressive strength> 100N/mm. Catalytic activity: ethylene conversion rate> 90%, ethylene to ethylbenzene selectivity is greater than or equal to 80%. Evaluation conditions: reaction temperature 375 ° C., reaction pressure 0.69MPa, benzene ratio 3.0 (molar ratio), weight space velocity 1.0 h-1, and feedstock were catalytic cracking dry gas and benzene. |
benzene alkylation catalyst - Introduction
Benzene alkylation catalysts are a common class of chemical catalysts used to replace a hydrogen atom on a benzene ring with an alkyl group. Their nature, use, method and safety information are as follows:
Nature:
1. The catalyst is usually a metal ion or negative ion, such as ruthenium, cerium or uranium compounds.
2. The catalyst has high catalytic activity and selectivity, and can realize benzene alkylation reaction under mild conditions.
3. The catalyst has good stability and can be recycled.
Use:
1. Benzene alkylation catalysts are widely used in the field of organic synthesis for the synthesis of various organic compounds, such as alkyl benzene, substituted benzene, etc.
2. Benzene alkylation catalysts also have important applications in the petrochemical industry, such as for the alkylation of aromatic hydrocarbons.
Preparation Method:
1. The benzene alkylation catalyst can be obtained by synthesizing a specific organic metal compound, such as an organic ruthenium or cerium compound, and then using reduction or ion exchange to obtain the target catalyst.
2. There are many methods for preparing benzene alkylation catalysts, and the specific preparation steps depend on the selected metal ions and reaction conditions.
Safety Information:
1. General chemical safety procedures should be followed during preparation and use, and appropriate personal protective equipment should be worn.
2. catalyst may be toxic and corrosive, avoid inhalation, contact with eyes and skin, avoid ingestion.
3. when storing the catalyst, keep it dry and avoid contact with air and moisture.
In general, as an important catalyst, benzene alkylation catalyst has a wide range of applications in organic synthesis and petrochemical fields, but it is necessary to pay attention to safe operation during use.
Last Update:2024-04-09 15:17:33