North America’s #1 Leader in Mobile Vapor Scrubbing

Since 1992, Envent Corporation has been the premier provider of mobile vapor scrubbing equipment, skilled technicians, and specialized logistics.

Industrial facilities, refineries, and municipal organizations count on us for complete management of their emissions control requirements, whether for planned maintenance or 24/7 emergency response. Together, we’ll build the most effective plan to handle your vapor scrubbing and odor control needs anywhere in North America.

” They provided timely communication and, with the support of their teams, contributed to a safe Turnaround. Their quick response to events helped us maintain our commitments to safety and the environment. I would not hesitate to recommend them to lead crews on other jobs.”

Area Technical Manager at Irving Oil

“They deliver exceptional performance, over and beyond our expectations contractually.”

S&H Superintendent at BP

Based on this experience, I am comfortable recommending Envent Corporation for any degassing, vapor control, or related services. Their technical capability and consistent performance make them a dependable service provider.

Senior Project Engineer, Valero Houston Refinery

Envent Corporation completed their scope ahead of schedule and under budget. Their planning, resource management, and execution met the needs of the project.

Senior Project Engineer, Valero Houston Refinery

Safety remained a consistent focus during the project. Envent Corporation’s approach to identifying and addressing potential risks contributed to a safe work environment for personnel.

Senior Project Engineer, Valero Houston Refinery

Envent Corporation mobilized promptly and reached the required degas threshold within 18 hours of startup, prior to any tank washing or cleaning.

Senior Project Engineer, Valero Houston Refinery

Envent Corporation demonstrated professionalism and provided reliable engineering and operational support throughout the job.

Senior Project Engineer, Valero Houston Refinery

Degassing & Vapor Control

The Critical Need for Professional Vapor Control

Organizations must make sure that hazardous vapors and nuisance odors are handled safely and in full alignment with strict environmental regulations.

We neutralize gases and chemicals by using our advanced mobile units and proprietary scrubbing solutions. Whether managing a routine tank vent or an urgent environmental snag, professional control is vital to protecting your workers, the community, and your regulatory standing.

Why Choose Envent for Vapor Scrubbing & Odor Control

  • Engineering Tenure & Expertise
    Envent’s engineers have an average of 6+ years with our team, allowing us to provide custom solutions for your unique operation.
  • Advanced Scrubbing Technology
    We use powerful equipment, including our VaporBite™ Technology and VapoScrub™ chemicals, to neutralize VOCs, H2S, ammonia, and toxic vapors.
  • Full Regulatory Compliance
    We guarantee all projects meet or exceed EPA, OSHA, and USCG standards.
  • Immediate Mobilization
    With the largest fleet in North America, we respond to emergency needs with unmatched speed, often deploying within hours.

Specialized Scrubbing & Filtration

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Envent Corporation is the premier provider of industrial vapor scrubbers in North America. We provide a wide range of scrubber systems to accommodate municipal authorities, large refineries, wastewater plants, manufacturing facilities, and chemical liquid storage terminals. Our mobile vapor scrubbing units are engineered to handle high-flow emissions and complex chemical streams with precision.

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VapoScrub™ chemicals combined with our proprietary VaporBite™ Technology in our Escrub™ & EVAC line of scrubbers offers your plant the top option for vapor control. VapoScrub™ chemicals offer a lot of cost savings over activated carbon and provide a low-cost and easy solution when Envent Mobile Thermal Oxidizer Systems (EMTOS™) or Envent Combustion Systems are not the answer.

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Envent designs and operates carbon media systems for industrial facilities, refineries, and petrochemical plants across North America. Our systems have undergone strict safety reviews such as HAZOPs, PHAs, and other process safety assessments, making sure the highest operational standards. We offer activated carbon systems with capacities ranging from 200 lb to 20k+ lbs, engineered for efficiency, safety, and regulatory compliance across a variety of emission control applications

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Envent provides a complete line of industrial blowers and air movers, designed to support a wide range of vapor control and degassing operations. Our equipment spans from low-flow, low-vacuum units to high-flow, high-vacuum systems, delivering safe, reliable air movement for even the most demanding hazardous environments.
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Envent’s equipment fleet includes the most cost-effective and new Vacuum Truck Scrubbers in the industry. Stringent state and local regulations often include mobile-unit vapors in a facility’s total emission caps, making high-efficiency scrubbing essential for maintaining site-wide compliance.

Recent Scrubbers & Odor Control Projects

Explore how Envent’s vapor scrubbing equipment and technicians have successfully managed complex emissions across North America

Southern California, Vapor Control

Southern California, Vapor Control

June 17, 2025
Refinery in Texas City, Texas, Sulfur Loading

Refinery in Texas City, Texas, Sulfur Loading

January, 2025
North Dakota Tank Vapor Control

North Dakota Tank Vapor Control

June 17, 2025
Refinery in Port Arthur, Texas, Liquid Ring – High Volume, Vacuum Truck Vapor Control

Refinery in Port Arthur, Texas, Liquid Ring – High Volume, Vacuum Truck Vapor Control

June 17, 2025
Houston, Texas Pipeline Blowdown Emission Control Services

Houston, Texas Pipeline Blowdown Emission Control Services

June 17, 2025
Texas Pipeline & Terminal Sludge Processing /Tank Cleaning Vapor Control & Degassing

Texas Pipeline & Terminal Sludge Processing /Tank Cleaning Vapor Control & Degassing

June 17, 2025
California Refinery Vapor Degassing & Emissions Control – VOCs & H2S

California Refinery Vapor Degassing & Emissions Control – VOCs & H2S

June 17, 2025
H2S Scrubber + Thermal Oxidizer: How Envent Safely Handled 500,000 ppm Sour Water in a 2025 Washington Refinery

H2S Scrubber + Thermal Oxidizer: How Envent Safely Handled 500,000 ppm Sour Water in a 2025 Washington Refinery

May, 2025
Ammonia Vapor Treatment – Texas Chemical Plant

Ammonia Vapor Treatment – Texas Chemical Plant

February, 2025
Emergency Reactor Degassing & Refinery Degassing: How Envent Saved a Gulf Coast Refinery Millions in Just 7 Days

Emergency Reactor Degassing & Refinery Degassing: How Envent Saved a Gulf Coast Refinery Millions in Just 7 Days

March 2019
Canada Butane Tank Vapour Fuel Storage Tank Degassing

Canada Butane Tank Vapour Fuel Storage Tank Degassing

August, 2025
Illinois Hydrogen Sulfide (H2S) Emissions Control

Illinois Hydrogen Sulfide (H2S) Emissions Control

June 17, 2025
Port Arthur Refinery, Flareless Turnaround Vapor Control

Port Arthur Refinery, Flareless Turnaround Vapor Control

June 17, 2025
Emergency Vapor Scrubbing – Southern California Refinery

Emergency Vapor Scrubbing – Southern California Refinery

June 17, 2025
Mid-West, USCG Certified Marine Vapor Recovery System

Mid-West, USCG Certified Marine Vapor Recovery System

June 17, 2025
Refinery Tank Farm Vapor Control Breakdown Emergency Response – VOCs

Refinery Tank Farm Vapor Control Breakdown Emergency Response – VOCs

June 17, 2025

Scrub Base & Odor Control FAQs

Can you manage vapor control for barge and ship loading?

Yes. Envent provides USCG-certified marine vapor recovery and scrubbing services. We handle the capture and destruction of VOCs during loading and unloading operations, ensuring marine terminals stay in full compliance with maritime environmental standards.

Yes. Since 1992, Envent has been a leader in emergency response for vapor scrubbing and odor control across North America, ready to respond 24/7, any time, any day.

Our advanced equipment and scrubbing solutions are designed to clean or neutralize gases of various chemicals.

Yes, Our mobile units are designed for seamless integration with existing plant infrastructure. We can provide supplemental vapor destruction during refinery turnarounds or serve as a temporary replacement for stationary flares during scheduled maintenance or repairs.

Yes. All Envent systems undergo rigorous safety assessments, including HAZOP (Hazard and Operability) and PHA (Process Hazard Analysis) reviews. This engineering-first approach ensures that our equipment operates safely within high-risk refinery and chemical plant environments.

Since 1992, Envent has been a leader in 24/7 emergency response across North America. With the largest fleet in the industry, we can often mobilize and deploy specialized equipment within hours of an urgent environmental snag.

VapoScrub™ chemicals offer a high-performance alternative for neutralizing specialized contaminants like H₂S and ammonia. Unlike activated carbon, which requires media change-outs, VapoScrub™ allows for continuous neutralization within a smaller equipment footprint. It is the ideal solution for high-concentration streams when thermal oxidation is not required.

Yes, we design and operate carbon media systems with capacities ranging from 200 lbs. to 20,000 lbs+. These systems have undergone strict safety reviews, including HAZOPs and PHAs, to make sure the highest operational standards are met.

Through rigorous engineering and process safety reviews. Every system we deploy has undergone strict HAZOP (Hazard and Operability) and PHA (Process Hazard Analysis) assessments. We utilize OQ-qualified technicians and real-time monitoring to safely handle “sour” materials (H₂S) and volatile hydrocarbons like benzene and butadiene, maintaining a zero-incident culture on every job site.

We provide comprehensive monitoring and documentation for every project. Our technicians use calibrated Gas Chromatographs and high-precision sensors to verify removal efficiencies. By utilizing our proprietary VaporBite™ technology and VapoScrub™ chemistry, we make sure that your emissions meet or exceed EPA, OSHA, and local AQMD requirements, providing you with a “shield” against potential regulatory penalties.

Protect Your Site with Advanced Vapor Scrubbing

Don’t risk regulatory penalties or community complaints due to hazardous emissions and odors. Partner with Envent Corporation for a comprehensive, engineered approach to vapor control. We handle everything from routine tank venting to 24/7 emergency response, using the industry’s latest VaporBite™ technology to guarantee your facility stays in full compliance.