LPG aromatization project

Is it catalytic liquefaction of LPG or C4 after etherification? The benefits of aromatization are not very good at the moment

Currently, few aromaticization units under construction are operating properly; Linzi Qiwanda is one of the more successful ones, with a mature manufacturing process

This post was last edited by wangsc on 2011-6-3 at 10:53. Nowadays, there are many devices for the advanced processing of C4 compounds after etherification, and the processes involved are diverse. I. Aromatication route: 1. Direct aromatication ； 2. Mixed aromatics ； The goal is to produce aromatic hydrocarbons, increase value, and sell them as household gas or use them for producing vehicle fuel. II. Isomerization route: Increase the value of gasoline produced, and sell it as household gas or use it to produce vehicle fuel. III. The efficiency depends mainly on the price difference between aromatics (gasoline) and naphtha, while the price difference between naphtha and mixed C4 is virtually negligible. The price of vehicle fuel is high, but as for the market situation, it still needs to be assessed based on local conditions. IV. Laminating: The ancient laminating technique has seen a revival and is now shining with new brilliance. The reason is that the current price system is profitable. It can be used by “capitalists” as means and tools to pursue profits.

Reply to friend 4# wangsc. I’m not in the oil industry, so I don’t fully understand some of these concepts. How is aromatization and isomerization both used to produce gasoline? Is it for producing octane? Please give your advice

The last edit to this post was made by wangsc on 2011-6-6 at 08:04. 1. Both aromatization and isomerization are methods in chemical reactions used to alter or modify the structure of molecular chains; due to differences in the directions and mechanisms governed by thermodynamics and kinetics, the desired products as well as the reaction pathways employed (including the catalysts used as reaction mediators) vary. 2. Aromatization and isomerization are both among the main reactions in catalytic reforming. 3. Both can produce high-octane gasoline components, as both aromatics and isoparaffins have relatively high octane numbers. 4. The raw materials for aromatization are more diverse than those for isomerization; not only mixed C4 hydrocarbons and straight-run gasoline, but also light hydrocarbons from oil fields can be used in the aromatization process ； Currently, the heterogenization processes that have been relatively successful and for which significant research results have been achieved mainly involve light C5 and C6 components. 5. Isomerization does not merely produce isooctane; rather, the equivalent value of the products resulting from isomerization is determined according to the gasoline octane rating method.

This post was last edited by qhywyy on 2011-9-29 at 14:58; liquefied gas cracking could be considered.

Aromatics are not easy to sell in the summer, and the requirements for product specifications are becoming increasingly strict. The LPG market is volatile; if the price difference between LPG and household gas is large, the profit margin becomes slim, after all, the equipment investment has already been made

Actually, it mainly depends on the investment returns. There is no such thing as good or bad

Reply to 7# qhywyy: I would like to learn about the processes for producing propylene, butylene, benzene, etc. from liquefied gas; are there any relevant materials available?

This post was last edited by dky2002 on 2011-9-2 22:15. Today we conducted a simple analysis: for a specific material, the raw material LPG ranges from 6100 to 6200 (100%); the product light aromatics range above 8000 (I can’t remember exactly) (50%+); the product automotive LPG is at 6500 (30+%). There are also dry gas, heavy aromatics, etc