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    About 2,120 results (0.19s) 
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    Including results for HAB sulfonation
    Search only for HAB sulphonation

    An AI Overview is not available for this searchCan't generate an AI overview right now. Try again later.
    AI Overview
    Heavy Alkyl Benzene (HAB) sulfonation is an industrial process that converts HAB (a by-product of linear alkylbenzene production) into heavy alkyl benzene sulfonates (HABS), which are effective surfactants, emulsifiers, and oilfield additives. The reaction typically involves sulfonating HAB with agents like oleum or sulfur trioxide (
    SO3cap S cap O sub 3
    𝑆𝑂3
    ) to produce anionic surfactants with superior emulsifying properties compared to standard sulfonates. 
    HAB Sulfonation Details 
    • Raw Material: HAB is a complex mixture of polyalkylbenzenes, diphenylalkanes, alkyl tetralins, and alkylindans separated by distillation during LAB production.
    • Sulfonating Agents: Common agents include concentrated sulfuric acid (
      H2SO4cap H sub 2 cap S cap O sub 4
      𝐻2𝑆𝑂4
      ), fuming sulfuric acid (oleum), or liquid/gaseous
      SO3cap S cap O sub 3
      𝑆𝑂3
      .
    • Mechanism: It is an electrophilic aromatic substitution reaction. The
      SO3cap S cap O sub 3
      𝑆𝑂3
       electrophile attacks the aromatic ring of the HAB component.
    • Process Conditions: Studies indicate that using dilute liquid
      SO3cap S cap O sub 3
      𝑆𝑂3
       in a rotating packed bed reactor (RPB) combined with a stirred tank reactor (STR) is an effective method.
    • Applications: The resulting HABS is primarily used in:
      • Oilfield recovery (enhanced oil recovery).
      • Lubricant additives (dispersants).
      • Emulsifiers. 
    Key Considerations 
    • Reversibility: Sulfonation is reversible (desulfonation), so removing water or optimizing the sulfonating agent concentration is crucial for high yield.
    • Optimal Conditions: The degree of sulfonation depends on the composition of the HAB distillation cut.
    • Synergism: HABS shows improved interfacial tension reduction, particularly when blended with other agents like lignosulfonate (LS). 
    • Synthesis of heavy alkyl benzene sulfonate in a rotating ...
      Dec 15, 2016 — This study presented the synthesis of HABS by sulfonation of HAB with dilute liquid SO3 in a combined reactor system of RPB combin...
      ScienceDirect.com
    • Determination of Sulfonation Conditions of HAB as a By-product ...
      Determination of Sulfonation Conditions of HAB as a By-product of Linear Alkylbenzene Production. ... Heavy alkylated benzene (HAB...
      پژوهشگاه صنعت نفت
    • Electrophilic Aromatic Substitution (EAS) Reaction: Sulfonation
      Dec 11, 2017 — hi everyone in this video tutorial I'd like to take a look at an electrophilic aromatic substitution reaction specifically the sul...
      3m
      YouTube·Sarah Chem
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    Videos
    Sulfonation (video) | Aromatic compounds
    Khan Academy · Khan Academy Organic Chemistry
    Mar 30, 2014
    Khan Academy · Khan Academy Organic Chemistry
    10:24
    Benzene reacts with sulfuric acid to form benzene sulfonic acid and water.
    Sulfonation of Benzene & Desulfonation Reaction Mechanism ...
    YouTube · The Organic Chemistry Tutor
    May 6, 2018
    YouTube · The Organic Chemistry Tutor
    12:59
    Learn the mechanism for sulfonation of benzene using concentrated sulfuric acid and desulfonation using water under dilute acidic conditions.
    The Organic Chemistry Tutor
    YouTube·
    May 7, 2018

    Sulfonation of Benzene & Desulfonation Reaction Mechanism ...

    YouTube·The Organic Chemistry Tutor·May 7, 2018
    YouTube
    In this video
    • 01:52
      Le Chatelier's Principle of Equilibrium
    • 02:22
      LeChatelier's Principle
    • 03:37
      Sulfonation Mechanism
    • 06:25
      Sulfonation of Benzene with SO3
    • 07:20
      Mechanism of Sulfonation of Benzene
    • 08:28
      Removal of Proton
    • 09:08
      Desulfonation Mechanism of Benzenesulfonic Acid
    • 09:19
      Desulfonation of Benzene Sulfonic Acid
    • 10:37
      Nucleophilic attack of H2O
    Electrophilic Aromatic Substitution: Sulfonation of Benzene
    YouTube · Molecular Memory
    May 4, 2017
    YouTube · Molecular Memory
    5:23
    Sulfonation of benzene can occur with sulfuric acid or sulfur trioxide, producing benzene sulfonic acid, which is a deactivating group.
    Molecular Memory
    YouTube·
    May 4, 2017

    Electrophilic Aromatic Substitution: Sulfonation of Benzene

    YouTube·Molecular Memory·May 4, 2017
    YouTube
    In this video
    • 00:35
      Sulfonation of Benzene with Sulfuric Acid
    • 00:51
      Generation of Conjugate Base
    • 01:03
      Generation of Oxonium Ion
    • 01:28
      Generation of the Electrophile
    • 01:58
      Deprotonation of the Conjugate Base
    • 02:49
      Mechanism of Sulfonation of Benzene
    • 03:02
      Attack of Benzene on Sulfur Trioxide
    • 03:52
      Properties of the Sulfonic Acid
    • 04:24
      Why the Sulfonic Acid Group is a Deactivating Group
    • 04:59
      Summary
    View all
    People also ask
    What is hab chemical?
    Heavy Alkyl Benzene (HAB) Chemical Name.

    Heavy Alkyl Benzene (HAB) - Qatar Energy


    Qatar Energy
    https://www.qatarenergy.qa › Chemicals_HAB_MSDS
    Qatar Energy
    https://www.qatarenergy.qa › Chemicals_HAB_MSDS
    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
    Can sulfonation be reversed?
    Unlike the other electrophilic aromatic substitution reactions, sulfonation is reversible. Removal of water from the system favours the formation of the sulfonation product. Heating a sulfonic acid with aqueous sulfuric acid can result be the reverse reaction, desulfonation.

    Ch12: Aromatic sulfonation - University of Calgary


    University of Calgary
    https://www.chem.ucalgary.ca › courses
    University of Calgary
    https://www.chem.ucalgary.ca › courses
    What is an example of sulphonation?
    Let us look at the sulfonation of a few compounds here. The method of heating benzene with fuming sulphuric acid (H2SO4 + SO3) to form benzenesulfonic acid is known as sulfonation of benzene.

    Sulfonation Explained: Reactions, Mechanism & Uses - Vedantu


    Vedantu
    https://www.vedantu.com › chemistry › sulfonation
    Vedantu
    https://www.vedantu.com › chemistry › sulfonation

    Web results

    Synthesis of heavy alkyl benzene sulfonate in a rotating ...


    ScienceDirect.com
    https://www.sciencedirect.com › article › abs › pii
    ScienceDirect.com
    https://www.sciencedirect.com › article › abs › pii
    by Z Wang · 2016 · Cited by 13 — This study presented the synthesis of HABS by sulfonation of HAB with dilute liquid SO3 in a combined reactor system of RPB combined with STR. The effects ...Read more

    Determination of Sulfonation Conditions of HAB as a by- ...


    ResearchGate
    https://www.researchgate.net › publication › 28078004...
    ResearchGate
    https://www.researchgate.net › publication › 28078004...
    Aug 17, 2015 — The sulfonation of the HAB mixture using oleum as the sulfonating agent has been carried out and optimum reaction conditions have been defined based on the ...Read more

    determination of sulfonation conditions of hab as a by- ...


    Semantic Scholar
    https://www.semanticscholar.org › paper › DETERMIN...
    Semantic Scholar
    https://www.semanticscholar.org › paper › DETERMIN...
    Jul 26, 2015 — The products of sulfonation of HAB or its distillation cuts are of wide industrial applications such as emulsifiers, dispersants in ...

    Electrophilic Aromatic Substitutions (2) – Nitration and ...


    Master Organic Chemistry
    https://www.masterorganicchemistry.com › 2018/04/30
    Master Organic Chemistry
    https://www.masterorganicchemistry.com › 2018/04/30
    Apr 30, 2018 — All about the nitration and sulfonation electrophilic aromatic substitution reactions of benzene, their mechanisms, examples, and more.
    Missing: HAB ‎| Show results with: HAB

    Aromatic sulfonation


    Wikipedia
    https://en.wikipedia.org › wiki › Aromatic_sulfonation
    Wikipedia
    https://en.wikipedia.org › wiki › Aromatic_sulfonation
    In organic chemistry, aromatic sulfonation is a reaction in which a hydrogen atom on an arene is replaced by a sulfonic acid (−SO 2OH) group.Read more
    Missing: HAB ‎| Show results with: HAB

    Heavy Alkyl Benzene (HAB) | CAS 68855-24-3


    royal-chem.com
    https://www.royal-chem.com › Heavy-Alkyl-Benzene-...
    royal-chem.com
    https://www.royal-chem.com › Heavy-Alkyl-Benzene-...
    Primarily used post-sulfonation, it enhances oilfield recovery operations and functions as a critical component in lubricant formulations. Additionally, HAB is ...Read more

    (PDF) Continuous sulfonation of hexadecylbenzene in a ...


    ResearchGate
    https://www.researchgate.net › publication › 35078673...
    ResearchGate
    https://www.researchgate.net › publication › 35078673...
    Jan 22, 2026 — Heavy alkyl benzene sulfonates are inexpensive surfactants that are extensively used as oil-displacing agents during tertiary oil recovery.Read more

    sulphation technology


    WEIXIAN (Nanjing) Science Technology co., ltd
    https://www.njweixian.com › sulphation-technology
    WEIXIAN (Nanjing) Science Technology co., ltd
    https://www.njweixian.com › sulphation-technology
    WEIXIAN is an engineering company specialized in supplying turnkey sulphonation/sulphation plant and it's technology, focusing on the R&D of LABSA, SLES, SLS, ...

    the sulphonation of benzene - electrophilic substitution


    Chemguide
    https://www.chemguide.co.uk › mechanisms › elsub › su...
    Chemguide
    https://www.chemguide.co.uk › mechanisms › elsub › su...
    There are two equivalent ways of sulphonating benzene: Heat benzene under reflux with concentrated sulphuric acid for several hours. Warm benzene under reflux ...Read more
    Missing: HAB ‎| Show results with: HAB
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    Hab sulphonation mechanism
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