【Weekly Topic】In-depth Analysis: Alkylation Units Currently in Operation or Under Construction as of the 2nd Week of April 2016
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This post was last edited by Xiao Gong 1985 on 2016-4-12 at 09:40. As the most active sector within the petrochemical deep processing category, it features the most discussions on related topics in this section; discussions on alkylation-related matters began last week. This week, please provide responses discussing the alkylation units that are currently in operation or under construction in your vicinity: indicate the location or the companies where such units are found, state their scale, and it would be good to also mention the catalysts used, such as hydrofluoric acid for alkylation or sulfuric acid for alkylation ； Discussions can also be held on equipment for other types of advanced processing. We hope everyone feels free to share their opinions; suggestions regarding the management of petrochemical deep processing or new initiatives are also welcome. To encourage participation, we will offer rewards based on the quality of the contributions made. Everyone who participates will receive \"6-10 Wealth\", while those who submit outstanding contributions will get \"15-30 Wealth\" plus additional charm points as a reward. At the same time, I hope that moderators Long’er, Guanban, and Adventure Wang will pay more attention to and provide more support for this forum. I also request that moderators Fengshan and BOSS review it together. @Fengshan @Guan Gongyu @Yitailonger @Adventure Wang @BOSS – Promotion for petrochemical-related activities: 1. [Petrochemical Activities] Illustrated documentation of the process from construction to commissioning of facilities; registration link: http://bbs.hcbbs.com/thread-1577026-1-1.html (Source: Haichuan Chemical Industry Forum) 2. “My Facility, My Home” photo competition – registration link for this event: http://bbs.hcbbs.com/thread-1577027-1-1.html (Source: Haichuan Chemical Industry Forum) 3. [Petrochemical Activities] Discussions on various competitions related to job roles: http://bbs.hcbbs.com/thread-1557812-1-1.html (Source: Haichuan Chemical Industry Forum) 4. [Petroleum and Chemicals Section] Compilation of posts on basic professional knowledge; great prizes await winners (supported by the main forum): http://bbs.hcbbs.com/thread-1557057-1-1.html (Source: Haichuan Chemical Industry Forum) 5. [Petrochemical Section] Proposal regarding the use of prefixes for topic titles: http://bbs.hcbbs.com/thread-1573958-1-1.html (Source: Haichuan Chemical Industry Forum)
Constant force............
Industrially, catalytic alkylation processes can be divided into liquid-phase and gas-phase methods, with different catalysts being used in each. Liquid-phase alkylation catalysts are mainly used as follows: ① Acid catalysts, with sulfuric acid and hydrofluoric acid being the most commonly used ones. The alkylation of isobutane using propylene and butylene currently relies mostly on hydrofluoric acid. For the alkylation of benzene using high-carbon olefins or chlorinated alkanes with C10–C18 chains, as well as for the alkylation of phenols, sulfuric acid is most commonly used. ②Fred-Claift catalysts, such as aluminum chloride-hydrogen chloride and boron fluoride-hydrogen fluoride, are commonly used in the alkylation of benzene with ethylene, propylene, and higher carbon alkenes, as well as in the alkylation of phenols. Gas-phase alkylation catalysts are mainly used as follows: ① Solid acid catalysts, such as silica phosphoric acid, for the alkylation of benzene with ethylene and propylene, and naphthalene with propylene ； ②Metal oxide catalysts, such as alumina, alumina-silica, oxides of magnesium and iron, and activated clay, are commonly used in alkylation reactions of benzene with ethylene, phenol, and methanol. ③Molecular sieve catalysts, such as ZSM-5 molecular sieve catalysts, are primarily used in the alkylation of benzene with ethylene.
Alkylsulfonation 300,000 tons/year
Changxing Island Hengli Petrochemical, Menglian Petrochemical
Huiyuan Petrochemical in Yangzhou, Jiangsu, began operations in April and has already produced finished products