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Electrostatic Precipitators (ESPs) in sulphonation plants, such as those producing LABSA or SLES, are high-efficiency, specialized filtration units that remove organic acid mists, unreacted
, and sulfuric acid from exhaust gases. They use high-voltage (e.g., 40,000–60,000 V) electrostatic charges to ionize and collect fine particulate matter (PM), improving air quality and protecting downstream equipment.
Key Aspects of Sulphonation ESP Technology
- Purpose: Effectively remove fine organic mists, , andmists from the exhaust, reducing acid emissions.
- Design Features: Often use tubular cathode designs with stainless steel tubes or rods to prevent "black acid" (accumulated contamination) and ensure long operational life.
- Operation: High-voltage electrodes (up to ) impart charge to mist particles, which are then attracted to grounded collection plates/tubes.
- Performance: Can achieve over 90–99% collection efficiency for sub-micron solid particulates, condensables, and sulfuric acid mist.
- Efficiency Drivers: Modern systems use smart controllers for automatic voltage adjustment and dry air flushing to prevent insulator moisture condensation.
Common Technologies
- Wet Electrostatic Precipitators (WESP): Ideal for sticky aerosols like sulfuric acid mist, WESPs use a water film to continuously remove particulates, offering superior efficiency in high-concentration exhaust.
- Dry ESP: Can be used for dust control but is often replaced by wet systems when acid mist removal is the primary goal.
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Web results
sulphonation plant exhaust gas treatment electrostatic ...
WEIXIAN (Nanjing) Science Technology co., ltd
https://www.njweixian.com › sulphonation-plant-exhaust...
WEIXIAN (Nanjing) Science Technology co., ltd
https://www.njweixian.com › sulphonation-plant-exhaust...
It adopts the cathode plate hollow-out design to avoid “black acid” accumulation. Cathode SS wires are replaced by SS tubes, in order to eliminate the risk ...Read more
Treatment of Exhaust Gases Exiting Sulfonation Reactors
Ballestra S.p.A.
https://www.ballestra.com › ... › Sulphonation Suphation
Ballestra S.p.A.
https://www.ballestra.com › ... › Sulphonation Suphation
Organic Mist Elimination: Ballestra offers two highly efficient technological solutions: New Generation Electrostatic Precipitator (ESP); Wet Brink Filter (NEGT).Read more
Exhaust gas and Effluent Treatment SO3/Air Sulphonation ...
Springer Nature Link
https://link.springer.com › chapter
Springer Nature Link
https://link.springer.com › chapter
by WH de Groot — The need to meet local and national demands to restrict effluent levels from sulphonation plants makes it increasingly important that installed treatment ...Read more
US6302945B1 - Electrostatic precipitator for removing SO2
Google Patents
https://patents.google.com › patent
Google Patents
https://patents.google.com › patent
An electrostatic precipitator for removing sulfur dioxide and other polluting particles has a wet liquid removal area or compartment down stream.Read more
Challenge of SO3 removal by wet electrostatic precipitator ...
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
by Z Yang2018Cited by 98 — Wet electrostatic precipitators (WESP) have been proven to be a promising technology for the removal of sulfuric acid mist from flue gases.Read more
A proven technology for sulfuric acid gas and mist cleaning
beltrantechnologies.com
https://www.beltrantechnologies.com › 2021/01
beltrantechnologies.com
https://www.beltrantechnologies.com › 2021/01
PDF
Jan 14, 2021 — Acid mist precipitators or wet electrostatic precipitators. (WESPs) are used in metallurgi- cal acid plants to protect the cata- lyst beds.Read more
3 pages
Klean Sulphonation Plant Electrostatic Precipitator (ESP)
KLEAN Environmental Equipment Co., Ltd.
https://klean-esp.en.made-in-china.com › rwHftWplaiaN
KLEAN Environmental Equipment Co., Ltd.
https://klean-esp.en.made-in-china.com › rwHftWplaiaN
SPECIALLY DESIGNED FOR COM MERCIAL COOKING ESTABLISHMENTS Hard-core Safety Features Primary electrical isolation, access door interlock, keylocking latch, ...Read more
$589.00In stockReview by MIC_BUYERFree delivery
ESP (Electrostatic Precipitator, for sulfonation/sulfation ...
WEIXIAN (Nanjing) Science Technology co., ltd
https://www.njweixian.com › esp-electrostatic-precipitator
WEIXIAN (Nanjing) Science Technology co., ltd
https://www.njweixian.com › esp-electrostatic-precipitator
ESP (Electrostatic Precipitator, for sulfonation/sulfation plant use only). It adopts the cathode plate hollow-out design to avoid “black acid” accumulation.Read more
Wet electrostatic precipitators are proven for emission ...
Plant Engineering
https://www.plantengineering.com › wet-electrostatic-pr...
Plant Engineering
https://www.plantengineering.com › wet-electrostatic-pr...
Sep 9, 2020 — Wet electrostatic precipitators (WESPs) have proven particularly valuable in industries that emit sulfur oxides and sulfuric acid.Read more
Chapter 3 Section 6 - Electrostatic Precipitators
U.S. Environmental Protection Agency (.gov)
https://www.epa.gov › default › files › documents
U.S. Environmental Protection Agency (.gov)
https://www.epa.gov › default › files › documents
PDF
An electrostatic precipitator (ESP) is a particle control device that uses electrical forces to move the particles out of the flowing gas stream and onto ...Read more
70 pages