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Pollution Control Systems Design

Services

There comes a time when emissions from a facility exceed the regulated limits, and no further refinements to the modeling will demonstrate environmental compliance.

Our team of engineers bring global experience to your local problem. Whether it’s a simple ventilation control strategy or a complex multi-stage off-gas treatment system, we have the technical experience and proven track record to implement the proper solution for your facility.

Having completed hundreds of projects on four continents, and maintaining working relationships with over 200 different equipment manufacturers, we will help identify the right solutions for your facility.

Our areas of expertise include:

  • Industrial Ventilation
  • Duct Design / Capture Designs
  • Hazardous Area Ventilation
  • Worker Exposure Mitigation
  • Off-Gas Treatment Systems
  • Particulate Matter Collection Systems
  • Dioxin & Furans Control
  • Odour / VOC Abatement
  • Acid Gas Treatment
  • Wastewater / Process water treatment and recovery
  • Slag Control/Dust Management Plan

Industrial Pollution Control

For facilities located in Ontario, the air quality limits set out in O. Reg 419/05 are becoming more stringent, and the reality of needing to implement pollution control systems is becoming more and more of a necessity. All facilities are required to obtain an Environmental Compliance Approval (ECA), which establishes the facility’s environmental compliance through a detailed analysis known as an Emission Summary and Dispersion Model (ESDM) report. The ESDM report itemizes every emission point from the facility and uses the results of atmospheric chemistry dispersion models to determine compliance with provincial limits. But what happens when environmental compliance cannot be demonstrated and your facility’s emissions are over the limits? The first step is to ensure that the emissions estimates are accurate and realistic; often this can include stack testing to validate the emission rate. The next step is to develop a custom compliance strategy that complements the goals of your facility. That is where Rubidium Environmental excels; our staff have a diverse knowledge of the challenges associated with selecting the right pollution control technology. Whether it’s designing a system to function in highly abrasive environments, dealing with gas streams that are highly corrosive, flammable or laden with condensable volatile organics that make the inside of ducts caked with a ‘tar-like’ substances, we’ve got the experience to help overcome the challenges.

One of Rubidium’s unique aspects is our strong working relationship with equipment manufactures around the world, and our ability to run pilot scale tests to ensure the desired outcome before full-scale implementation. This is particularly important when working gas streams laden a multitude of chemicals, and you want to ensure that the desired outcome is achieved. Most pilot equipment has been containerized and is easy to ship to your facility on the back of a truck. All that is needed is a connection to a small process slip-stream, provision of an electrical connection to power the fans and control system, and everything is operational.

Hazardous Area / Worker Exposure Mitigation

Workers in industrial environments can be exposed to chemical agents during the course of their work, typically from process contaminants or emissions from processing equipment (diesel powered equipment, etc). The Ministry of Labour sets allowable exposure limits in O. Reg 833, Control of Exposure to Biological or Chemical Agents. Rubidium has experience designing and implementing engineering control solutions to limit worker exposure. Most commonly, the problem stems from inadequate ventilation; either process or general building ventilation.

Processes or areas which contain flammable gases, combustible dusts, or ignitable fibers are subject to additional regulations which govern their ventilation requirements. Rubidium’s staff have extensive experience providing ventilation solutions for hazardous areas. Whether it’s storage of flammable gases (such as hydrogen or xylene), processing of a combustible dust from the agricultural, metal or plastics sector, we can assist by identifying the appropriate control and safe ventilation measures.

Hazardous areas can be broken down into three classes, three zones and two divisions:

Classes

  • Class I A location made hazardous by the presence of flammable gases or vapors that may be present in the air in quantities sufficient to produce an explosive or ignitable mixture
  • Class II – A location made hazardous by the presence of combustible or electrically conductive dust.
  • Class III – A location made hazardous by the presence of easily ignitable fibers or flyings in the air, but not likely to be in suspension in quantities sufficient to produce ignitable mixtures.

Divisions

  • Division 1 – A location where a classified hazard exists or is likely to exist under normal conditions
  • Division 2 – A location where a classified hazard does not normally exist but is possible to appear under abnormal conditions

In 1998, the Canadian Electrical Code (CEC) adopted the International Electrotechnical Commission’s (IEC) Three Zone Classification System for Class I hazardous locations. All new installations must use the 3-Zone system, while existing installations may continue to use the 2-Division system or opt to re-classify using the 3-zone system. Essentially, it further refines the Division 1 areas as shown in the table below.

Zones

  • Zone 0 – An area in which an explosive gas atmosphere is continuously present for a long period of time
  • Zone 1 – An area in which an explosive gas atmosphere is likely to occur in normal operation
  • Zone 2 – An area in which an explosive gas atmosphere does not normally exist.
Continuous Hazard Intermittent Hazard Hazard Only Under Abnormal Conditions
Zone 0 Zone 1 Zone 2
Division 1 Division 2

To find out more about how we can assist you in solving your environmental compliance challenges through innovative pollution control strategies, mitigate worker exposure or hazardous area ventilation, please contact us.

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