Skip to main contentAccessibility help
Accessibility feedback
Earth Day 2026
Earth Day 2026
Go to Google home
Press / to jump to the search box
Choose what you’re giving feedback on
  • Delete
  • See more
  • Delete
    • See more
    • Report inappropriate predictions
    Quick Settings
    Sign in
    AI Mode
    All
    Images
    Shopping
    Videos
    Forums
    Short videos
    More
    Tools

    Search Results

    Any time
    Any time
    Past hour
    Past 24 hours
    Past week
    Past month
    Past year
    Custom range...
    Custom date range
    Go
    All results
    All results
    Verbatim
    Advanced Search
    About 16,300 results (0.34s) 
    Ctrl+Shift+X to select
    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    A sulphonation reactor, commonly a multi-tube falling film reactor, is the core industrial equipment used for producing anionic surfactants (like LABSA, SLES, AOS) by reacting organic feedstocks with gaseous sulfur trioxide (
    SO3cap S cap O sub 3
    𝑆𝑂3
    ). These reactors utilize a thin-film, co-current flow design, allowing for high-efficiency heat removal and precise control over product quality and by-products. 
    This video provides an introduction to surfactant sulfation and sulfonation:
    Related video thumbnail
    56s
    Neil Burns
    YouTube• Jul 9, 2025
    Key Features and Technology 
    • Design: Multi-tube (e.g., 1 to 240+ tubes) reactors allow for precise control of the thin liquid film falling down the inner tube surface, ensuring uniform reaction with
      SO3cap S cap O sub 3
      𝑆𝑂3
       gas.
    • Operating Principle: Organic liquid flows down the inner tube wall while gaseous
      SO3cap S cap O sub 3
      𝑆𝑂3
       (typically 2.5–7% in air) flows concurrently, with temperature controlled by water cooling on the shell side.
    • Applications: Primarily used for sulfonating linear alkylbenzene (LAB) for LABSA, and sulfating fatty alcohols (alcohol form or ethoxylated) for SLES/SLS.
    • Capacity: Modern units can achieve up to 10 tons per hour. 
    Common Features of Advanced Reactors 
    • Uniformity: High-precision CNC-machined distribution heads and nozzles are used to ensure uniform film flow across all tubes.
    • Reliability: High-precision cold-rolling and annealing for the reaction tube wall, with special attention to sealing systems.
    • Process Performance: High yield and low by-product formation are ensured through careful monitoring of contact time.
    • Efficiency: Advanced systems can operate with continuous production for up to 40 days for LABSA and 3 months for SLES production. 
    Key manufacturers and technologies include Weixian multi-tube falling film reactors and Marsina Engineering SRL systems, along with Chemithon's Annular Falling Film Reactor (AFFR). 
    • Sulphonation/Sulfonation Reactor
      A sulfonation reactor is a plant that supplies turnkey sulphonation and sulfhation technology. The technology focuses on the R&D o...
      WEIXIAN (Nanjing) Science Technology co., ltd
    • Customized sulphonation reactor, ...
      Apr 21, 2023 — Search * WEIXIAN Sulfonator Introduction Jun 26, 2024. Sulphonation Reactor: Sulfonator is the core equipment of a sulphonation pl...
      WEIXIAN (Nanjing) Science Technology co., ltd
    • Introducing the World's Largest 192-Tube, 8-TPH ...
      Apr 24, 2025 — introducing the world's largest 192 tube 8 ton per hour sulfonation reactor engineered by Nanjing Wayen. at Weien we pride ourselv...
      0:43
      YouTube·WEIXIAN NANJING SCIENCE TECHNOLOGY CO.,LTD
    • Chemithon Detergents
      Plants can be configured to produce single products such as Linear Alkyl Benzene Sulfonic Acid (LAS/LABSA) or Methyl Ester Sulfona...
      Chemithon Enterprises
    • Sulphonation Technologies - Marsina Engineering SRL
      Sulphonation Reactor * The reactor is the heart of any sulphonation process. * By sulphonation, the industry identifies a set of p...
      Marsina Engineering SRL
    • Sulfonation Technology for Anionic Surfactant Manufacture | Organic Process Research & Development
      Sulfonation reactions can be carried out in high yields and conversions. They can produce surfactants with tight specifications fo...
      ACS Publications
    • WEIXIAN Sulfonator Introduction | njweixian.com
      Jun 26, 2024 — Other advantages: 1. Long extended washing interval: continuous production of LABSA can reach more than 40 days, more than 3 month...
      WEIXIAN (Nanjing) Science Technology co., ltd
    • Unit 03 Sulphonation & Sulphation
      A liquid gas separator sulphonation plant has the following features: * **Flow rate** Controlled by a mass flow meter and control ...
      WEIXIAN (Nanjing) Science Technology co., ltd
    • Sulphonation/Sulfonation Reactor
      A sulfonation reactor is a plant that supplies turnkey sulphonation and sulfhation technology. The technology focuses on the R&D o...
      WEIXIAN (Nanjing) Science Technology co., ltd
    • Customized sulphonation reactor, ...
      Apr 21, 2023 — Search * WEIXIAN Sulfonator Introduction Jun 26, 2024. Sulphonation Reactor: Sulfonator is the core equipment of a sulphonation pl...
      WEIXIAN (Nanjing) Science Technology co., ltd
    • Introducing the World's Largest 192-Tube, 8-TPH ...
      Apr 24, 2025 — introducing the world's largest 192 tube 8 ton per hour sulfonation reactor engineered by Nanjing Wayen. at Weien we pride ourselv...
      0:43
      YouTube·WEIXIAN NANJING SCIENCE TECHNOLOGY CO.,LTD
    Show all
    Dive deeper in AI Mode
    AI can make mistakes, so double-check responses
    Share
    Facebook
    WhatsApp
    X
    Email
    Click to copy link
    Share link
    Link copied
    Thank you
    Your feedback helps Google improve. See our Privacy Policy.
    Share more feedback
    Report a problem
    Close
    Thank you
    Your feedback helps Google improve. See our Privacy Policy.
    Share more feedback
    Report a problem
    Close
    Thank you
    Your feedback helps Google improve. See our Privacy Policy.
    Share more feedback
    Report a problem
    Close
    Show more
    My Ad Center

    Web results

    Sulphonation/Sulfonation Reactor


    WEIXIAN (Nanjing) Science Technology co., ltd
    https://www.njweixian.com › sulphonationsulfonation-re...
    WEIXIAN (Nanjing) Science Technology co., ltd
    https://www.njweixian.com › sulphonationsulfonation-re...
    WEIXIAN sulfonator adopts multi-tube falling film reactor. Capacity range is from 1-tube to 240-tube (10t/h). Since 1995, WEIXIAN has supplied hundreds of ...Read more

    Sulphonation


    Phoenix Equipment
    https://www.phxequip.com › resource-detail › sulphonati...
    Phoenix Equipment
    https://www.phxequip.com › resource-detail › sulphonati...
    The cooled down Sulphur dioxide is then conveyed to a multi-layer catalytic reactor, where sulphur dioxide (SO2) is converted almost completely to sulphur ...Read more
    Videos
    Weixian's Sulphonation Reactor
    YouTube · PLATTECH _Harry
    Nov 19, 2022
    YouTube · PLATTECH _Harry
    2:12
    Sulphonation Process: Unit 03 Sulphonation & Sulphation
    YouTube · WEIXIAN NANJING SCIENCE TECHNOLOGY CO.,LTD
    Jan 18, 2024
    YouTube · WEIXIAN NANJING SCIENCE TECHNOLOGY CO.,LTD
    3:16
    SO3 gas reacts with organic materials like linear alkyl Benzene & dodosil Benzene in a multi-tube falling film reactor.
    WEIXIAN NANJING SCIENCE TECHNOLOGY CO.,LTD
    YouTube·
    Jan 18, 2024

    Sulphonation Process: Unit 03 Sulphonation & Sulphation

    YouTube·WEIXIAN NANJING SCIENCE TECHNOLOGY CO.,LTD·Jan 18, 2024
    YouTube
    Introducing the World's Largest 192-Tube, 8-TPH ...
    YouTube · WEIXIAN NANJING SCIENCE TECHNOLOGY CO.,LTD
    Apr 24, 2025
    YouTube · WEIXIAN NANJING SCIENCE TECHNOLOGY CO.,LTD
    0:43
    Nanjing Weixian engineered the world's largest 192-tube, 8-ton per hour sulfonation reactor for unmatched performance.
    WEIXIAN NANJING SCIENCE TECHNOLOGY CO.,LTD
    YouTube·
    Apr 24, 2025

    Introducing the World's Largest 192-Tube, 8-TPH ...

    YouTube·WEIXIAN NANJING SCIENCE TECHNOLOGY CO.,LTD·Apr 24, 2025
    YouTube
    View all

    Web results

    Sulfonation and Sulfation Processes


    Chemithon Enterprises
    https://www.chemithon.com › Technical_papers
    Chemithon Enterprises
    https://www.chemithon.com › Technical_papers
    PDF
    The sulfonator is the heart of a sulfonation plant. Sulfonic acid forms in the sulfonator when an SO3-in-air mixture is injected into the reactor simultaneously ...Read more
    36 pages
    People also ask
    What is a sulphonation plant?
    The reaction is called sulfation or sulfonation depending on the functional group created in the reaction product. The products of sulphonation plants find prominent application as cleaning and foaming agents in detergents, as well as wetting and emulsifying agents in dyes, pigments, medicines, pesticides, etc.

    AWS RELIABLE SOLUTIONS FOR SULPHONATION PLANTS


    AWS CORPORATION
    https://awscorp.it › blog-news › blog-news-2 › 331-aws-...
    AWS CORPORATION
    https://awscorp.it › blog-news › blog-news-2 › 331-aws-...
    What is a sulphonation reaction?
    Sulfonation is defined as a chemical reaction in which a sulfonic acid group (SO₃H) is introduced into a molecule or ion, typically replacing a hydrogen atom via electrophilic aromatic substitution.

    Sulphonation - an overview | ScienceDirect Topics


    ScienceDirect.com
    https://www.sciencedirect.com › topics › engineering › s...
    ScienceDirect.com
    https://www.sciencedirect.com › topics › engineering › s...
    What is sulfonation used for?
    Sulfonation is among the frequently used surface modification methods to endow new surface properties on polymer fibers. Direct sulfonation is the simplest chemical modification via incorporation of sulfonate functional groups onto fibers' surfaces at ordinary conditions.

    The correlation of sulfonation reaction kinetics with the degree of ... - PMC


    PMC - NIH
    https://pmc.ncbi.nlm.nih.gov › articles › PMC9844126
    PMC - NIH
    https://pmc.ncbi.nlm.nih.gov › articles › PMC9844126
    What catalysts are used in sulphonation?
    Sulfonation reactions are unusual in that the reagent used, sulfuric acid, is both a starting material and a catalyst for the reaction. No additional catalyst is needed. It is important to remember that sulfuric acid (H2SO4) is always contaminated with a small amount of water (H2O).

    10.7. Reaction: Sulfonation – Introduction to Organic Chemistry


    Saskoer
    https://www.saskoer.ca › intro-organic-chemistry › chapter
    Saskoer
    https://www.saskoer.ca › intro-organic-chemistry › chapter

    Web results

    Sulfonation Technology for Anionic Surfactant Manufacture


    ACS Publications
    https://pubs.acs.org › doi
    ACS Publications
    https://pubs.acs.org › doi
    This paper presents an overview of reactor technology and reaction chemistry for surfactant manufacture via sulfonation with sulfur trioxide.
    Missing: Sulphonation ‎| Show results with: Sulphonation

    Sulphonation Plants


    Technithon
    https://www.technithon.com › sulphonation-plants
    Technithon
    https://www.technithon.com › sulphonation-plants
    Technithon offers solutions and expertise to deliver: Continuous Air+ SO3 sulfonation plants with falling film reactors for both water and oil soluble ...Read more

    Optimized construction of the alkylbenzenes sulfonation ...


    ScienceDirect.com
    https://www.sciencedirect.com › article › abs › pii
    ScienceDirect.com
    https://www.sciencedirect.com › article › abs › pii
    by I Dolganova · 2025 — The optimal design sulfonation reactor is 40 reaction tubes with a diameter of 43 mm. Optimized sulfonation reactor design increases the washing cycle by 45.5%.Read more

    SULPHONATION REACTOR


    officine saspe
    https://www.officinesaspe.com › pages › 27-sulphonatio...
    officine saspe
    https://www.officinesaspe.com › pages › 27-sulphonatio...
    The reactor consists of a vertical bundle of small pipes, like in a heat exchanger. The number of reaction pipes depends on the production capacity required.Read more
    Images
    China Sulphonation/Sulphation Reactor, Sulphonation ...
    China Sulphonation/Sulphation Reactor, Sulphonation ...
    WEIXIAN (Nanjing) Science Technology co., ltd
    China Sulphonation/Sulphation Reactor, Sulphonation ...
    China Sulphonation/Sulphation Reactor, Sulphonation ...
    WEIXIAN (Nanjing) Science Technology co., ltd
    Sulphonation Reaction System - Buy LABSA/LAS, Multitube ...
    Sulphonation Reaction System - Buy LABSA/LAS, Multitube ...
    Nanjing Qino A.C.E
    All images
    Show more images

    Web results

    The sulphonation reactor for 7.5t/h project - Nanjing Qino A.C.E


    qinoace.com
    https://www.qinoace.com › The-sulphonation-reactor-for...
    qinoace.com
    https://www.qinoace.com › The-sulphonation-reactor-for...
    Sep 26, 2024 — The sulphonation reactor for 7.5t/h Nigeria project has finished painting. It is the most significant equipment during sulphonation process.Read more
    People also search for
    Sulphonation reactor diagram
    Sulphonation reactor for sale
    Sulphonation reactor pdf
    Sulphonation plant process
    Sulphonation of benzene
    Sulfonation
    Sulphonation reaction
    Chemithon sulfonation

    Page Navigation

    12345678910Next

    Footer Links

    Kentucky
     - Based on your past activity
     - 
    Update location
    Can't update your location
    Learn more
    Updating location...
    HelpSend feedbackPrivacyTerms
    Google apps