air toxics Applications
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Keyword: air toxics ×
Mold Control
by AgriAir Equipment based in Mukilteo, WASHINGTON (USA)Controlling mold spores and bio-contaminants is a challenge for indoor gardeners that requires attention to detail and specialized equipment. An average cubic foot of air has around 100,000 mold spores. When sufficient moisture is available, mold grows. AgriAir Purifiers control and eliminate Aspergillus and many other types of spores, mildew, odors, and VOC as well as sanitize the air and hard surfaces from biological contaminants generated by organic decay during the entire growing process. AgriAir Purifiers generate ionized-hydro-peroxides, which result in a proactive method of indoor air sanitation and promote organic garden production. This purification method eliminates the need for the use of additional chemicals or biocides that generally contain toxic compounds. AgriAir products can safely be used in occupied spaces throughout the entire grow cycle all while effectively destroying mold spores and other harmful bio-contaminants.
Portable Stack Monitoring
by Boreal Laser Inc. based in Edmonton, ALBERTA (CANADA)Many industries are required to measure stack emissions of toxic gases periodically, but not continuously. Extractive wet chemical methods currently used are slow, labor intensive and expensive. A single GasFinderFC can perform stack monitoring requirements for a specific gas, quickly, easily and accurately.
Measurement solution for accurate continuous formaldehyde measurement formaldehyde in emissions and ambient air applications
by Protea Limited based in Middlewich, UNITED KINGDOMFormaldehyde (HCHO) is the simplest aldehyde species and is present, or generated by, many sources (both natural and industrial). It is classed as a substance that is toxic and harmful to human health.
Air pollution control for the printing, laminating & converting industry
by Anguil Environmental Systems, Inc. based in Milwaukee, WISCONSIN (USA)Achieving cost effective local regulatory compliance in the printing and converting industry requires a complete understanding of both regulatory standards and the printing process. Through experience, Anguil has developed unparalleled expertise in meeting your unique requirements. We understand the effects of water versus solvent-based inks on the line, elimination of odors and toxic fumes from dryers and oven tunnel exhausts, and the capture of fugitive emissions. Over 300 successful printing installations worldwide, in plants just like yours, have shown Anguil to be a Proven Solutions Provider.
Gas monitoring instruments and systems for compressed breathing air
by Gasmet Technologies Oy based in Helsinki, FINLANDCompressed breathing air is subject to strict limits of harmful contaminants defined in European standard EN 12021 and various defence standards such as DEF STAN 68-284 issue 3. The testing interval of breathing air compressors and associated equipment is 3 months and gases tested include carbon monoxide, carbon dioxide and oil vapour defined as hexane and heavier hydrocarbons. EN 12021 covers underwater applications including self-contained open circuit compressed gas breathing (SCUBA) and compressed gas line breathing (hard-helmet diving), respiratory equipment used on ground for escaping from toxic atmospheres and for working in contaminated atmospheres. It also covers breathing gas for hyperbaric operations and synthetic air. While EN 12021 does not cover aerospace applications, the British MOD publication DEF STAN 68-284 and its counterparts in other countries cover also the breathing gases used in aviation.
Air pollution control for soil remediation
by Epcon Industrial Systems, LP based in The Woodlands, TEXAS (USA)Epcon is known in the industry for the Soil Remediation Oxidizer, including Hazardous and Toxic Spills. Epcon Thermal OxidizerSystems, which operate in a very safe manner, clean up the toxic chemicals from the ground. We pre-test and pre-assemble the majority of systems in our 150,000 Sq. Ft. modern shop.
Integrated real-time gas analysis solution for emissions industry
by CIC Photonics, Inc. based in Albuquerque, NEW MEXICO (USA)Pollutant emissions from industrial smoke stacks are a major national concern due to both health concerns and climate change. As a consequence, there are at least tens of gas analyzer manufacturers in the U.S. alone that compete in that market and have done so for years. What CIC Photonics brings to that competitive field is its expertise derived from its Combustion Efficiency Solution and its high performance IRGAS Systems. The IRGAS-CEM provides real-time and simultaneous measurements of the multitude of toxic combustion products, including CO, CO2, NOx, SOx, CH4, CxHy, H2S, etc. The EP-IRGAS-SPA is also applicable for fast time responses.
Waste water treatment plants Air quality control by TRS MEDOR
by Chromatotec Group based in Val de Virvée, FRANCEContext & Challenges Globally, the wastewater treatment is the first public health issue. Urban development leads to urbanization near waste water treatment plant and extension of sewerage network. These aspects induce to an augmentation of sulfur compounds (H2S, mercaptans and sulfides) which are very corrosive, odorant and toxic. To monitor this compounds online CHROMATOTEC® offers high meteorological solutions. At the entrance of the waste water plants, where the waste water arrives, strongly smelling and polluted air is captured and neutralised by a chemical cleaning process called ‘’Stripping’’. The correct amount of chemical products needed to neutralise the polluted air has to be calculated.
Testing Fume Hood Flow Dynamics using SF6 as a Tracer Gas
by Spectro Scientific based in Chelmsford, MASSACHUSETTS (USA)A safe laboratory environment requires an effective method for clearing toxic material from fume hoods. Since all handling of toxic materials is completed in these hoods, it is critical to have a procedure to evaluate their operation to assure adequate protection for laboratory workers. The InfraRan Specific Vapor Analyzer, factory calibrated for SF6, is an ideal instrument for measuring fume hood efficiency in accordance with ASHRAE and other standards. Manufacturers identify the flow dynamics (factors that affect air flow in the hood and performance with air) using the ratings AM (as manufactured), AI (as installed), and AU (as used). A fume hood evaluation conducted under its operational environment is critical, as these tests will indicate any installation shortcomings as well as direct workers in proper laboratory hood techniques.
Waste water treatment plants Air quality control by TRS MEDOR Online Odor Monitoring
by Chromatotec Group based in Val de Virvée, FRANCEontext & Challenges Globally, the wastewater treatment is the first public health issue. Urban development leads to urbanization near waste water treatment plant and extension of sewerage network. These aspects induce to an augmentation of sulfur compounds (H2S, mercaptans and sulfides) which are very corrosive, odorant and toxic. To monitor this compounds online CHROMATOTEC® offers high meteorological solutions. Odors are very distinct air contaminants as they generate nuisances. The factors playing a role in the determination of odor annoyance are: odor concentration and intensity, frequency, appreciation, duration, synergy and location. CHROMATOTEC® proposes an automatic solution to well identify the origin and the level of odors.
Waste water treatment plants Personnel Safety & H2S filter management
by Chromatotec Group based in Val de Virvée, FRANCEContext & Challenges Globally, the wastewater treatment is the first public health issue. Urban development leads to urbanization near waste water treatment plant and extension of sewerage network. These aspects induce to an augmentation of sulfur compounds (H2S, mercaptans and sulfides) which are very corrosive, odorant and toxic. To monitor this compounds online CHROMATOTEC® offers high meteorological solutions. As a result of the confinement of the waste water stations, toxic components such as H2S and Methylmercaptan increased. Safety of employees on such working sites has therefore become of major problem. To fight this hazardous pollution, air filtering systems have been installed. For the station managers, personal safety coupled with the need for constant air quality control and filter change has been a heavy task.
Waste water treatment plants Screening area: stripping
by Chromatotec Group based in Val de Virvée, FRANCEContext & Challenges Globally, the wastewater treatment is the first public health issue. Urban development leads to urbanization near waste water treatment plant and extension of sewerage network. These aspects induce to an augmentation of sulfur compounds (H2S, mercaptans and sulfides) which are very corrosive, odorant and toxic. To monitor this compounds online CHROMATOTEC® offers high meteorological solutions. To ensure the safety of operatives in the screening building/area of waste water treatment works an H2S analyzer has been installed in the main building to complement the protection provided by individual monitors. Chromatographic measurements show that other sulfurous compounds including Methylmercaptans are present in the air in addition to H2S.
Waste recovery for energy & utilities
by Tetronics (International) Limited based in Swindon, UNITED KINGDOMIn order to stay competitive and to be seen as being environmentally responsible, energy and utility companies are always looking for alternative routes to generate power. One method of doing this is by leveraging waste to energy incineration plants linked to the processing municipal solid waste. During this incineration process, APC residues, which are a mixture of fly ash, organic pollutants (including dioxins and furans), are generated and are classified as hazardous waste and have a detrimental environmental impact. This fly ash is subject to Air Pollution Control as it is contaminated with extremely high concentrations of heavy metals and toxic compounds like dioxins, linked to cancer and other health problems. Tetronics offers valuable waste recovery plants that can eliminate the hazardous element within the fly ash while generating an inert building aggregate with the remaining material.
Poultry Ozone
by Ozone Engineers based in Coimbatore, INDIAPoultry Ozone - Disinfection of Drinking Water Advantages Increase DO Level in Water Improve taste in water Non toxic water Reduces waterborne pathogens Low maintenance cost Green Technology) Environmental Friendly Gas Faster Return Of Investment due to the below benefit factors No Harmful By-Products ( Improved Air Quality and Work Environment
Mercury monitoring for on-site remediation
by Tekran Instruments Corporation based in Knoxville, TENNESSEE (USA)Fugitive emissions can be a health concern during removal and disposal of mercury-contaminated material at remediation sites. Thus, remediation projects either indoors or outdoors often require on-site, real-time mercury air monitoring with a Tekran 2537. This assures permitted levels are not exceeded during waste processing and human exposure levels are below government regulated toxicity thresholds. Often multiple sites must be monitored continuously. The Tekran 1115 Multi-Port Sampler is the ideal tool for multiplexing the Tekran 2537 for real-time continuous on-site monitoring of mercury fugitive emissions. Please contact us for more information on mercury remediation monitoring.
Bio-Hazard and Crime Scene Cleanup
by Omnitec Design, Inc. based in Mukilteo, WASHINGTON (USA)OmniAire HEPA air filtration machines can remove odors and toxic VOCs released into the air during the cleaning and removal process. OmniAire portable air filtration and purification equipment offers the most efficient and economical solution to reduce toxicity and improve safely for your Bio-Hazard projects. Typically, the standard 99.97% HEPA filter is sufficient, however, if you need the next level of airborne pollutant removal for more toxic applications, such as filtering out VOCs, viruses, smoke and gas molecules, add an OdorGuard Activated Carbon filter.
Process Design
by Yates Environmental Services based in Spokane, WASHINGTON (USA)Custom water and wastewater engineering, consulting and process design services to prevent air, land, water and environmental pollution. We rework systems as processes change and troubleshoot where necessary to bring systems into compliance. • High purity and process water • Biological nutrient removal • Solids treatment • Toxicity reduction • Industrial treatment • Advanced oxidation and alternative disinfection • Effluent reclamation and reuse • Land application systems • Natural treatment systems • Hydrogen sulfide and odor control • Decentralized treatment systems • Process optimization / operations assistance • Conceptual and strategic water planning
Laser & Plasma Cutting
by DiversiTech based in Montreal, QUEBEC (CANADA)Laser & Plasma Cutting fumes are Unbreathable. Using laser or plasma cutting equipment on either metals or plastics introduces several known carcinogens, such as fused silica and ethyl acrylate, into the air. Occupational Health and Safety organizations recommend reducing personal exposure to the lowest level feasible. Hand held plasma cutting provides metalworkers with a quick and fast way to cut large sheets of metal material. However, plasma and oxy cutting generate a large amount of sparks, slag and fume which can contain different pollutants depending on the type of material being cut. Diversitech's line of downdraft tables incorporating the plasma cutting kit are designed to extinguish the sparks and slag, using heavy duty steel bar grating and a gravel filled baffle tray while the blower pulls away all of the toxic plasma cutting fumes. When considering how to capture and filter the fumes generated from large CNC plasma cutting and laser cutting machines, a large central dust
Painting & Coating
by DiversiTech based in Montreal, QUEBEC (CANADA)Paint fumes are Unbreathable. Spray Painting VOCs and Powder Coating dust are both harmful pollutants which are produced during painting operations. The volatile organic compounds (VOCs) emitted from paint can cause respiratory issues and require proper ventilation to remove harmful gasses from the work area. Powder Coating lines and spray painting produce dangerous fumes and dusts which need to be filtered or exhausted outside your facility. Industrial coatings and chemicals can produce toxic VOCs and foul odors which can effect worker`s health and reduce productivity. Some of the most common coatings are polymers which include polyurethane, epoxy and moisture-cure urethane. Many different industries required the use of glues, adhesives, solvents and different chemical agents in their production process, but are unsure of the best way to handle this nuisance. Exhausting fumes outside may be an option when VOCs are extremely dangerous and odorous but companies must also comply with EPA guidelines which regulate which gases can be emitted. In cold climates and in air-conditioned facilities, capturing, filtering and recirculating fumes can provide huge energy savings preventing costly heat loss and energy intensive air makeup systems. Utilizing activated carbon granules can allow operators to filter VOCs and odors from painting and cutting applications. Different quantities and types of carbon modules are required depending upon the contaminant. Contact Diversitech with an MSDS sheet detailing your chemical`s characteristics for an evaluation of your workplace air quality problem.?
Sulfide Oxidation with Hydrogen Peroxide (H2O2)
by USP Technologies based in Atlanta, GEORGIA (US) (USA)Sulfide Odor Control Sulfide is found throughout the environment as a result of both natural and industrial processes. Most sulfide found in nature was produced biologically (under anaerobic conditions) and occurs as free hydrogen sulfide (H2S) - characterized by its rotten egg odor. We are most likely to encounter biogenic H2S in sour groundwaters, swamps and marshes, natural gas deposits, and sewage collection/treatment systems. Manmade sources of H2S typically occur as a result of natural materials containing sulfur (e.g., coal, gas and oil) being refined into industrial products. For a variety of reasons - aesthetics (odor control), health (toxicity), ecological (oxygen depletion in receiving waters), and economic (corrosion of equipment and infrastructure) - sulfide laden wastewaters must be handled carefully and remediated before they can be released to the environment. Typical discharge limits for sulfide are < 1 mg/L. Sulfide Treatment Alternatives There are dozens of alternatives for treating sulfide laden waters, ranging from simple air stripping (for the low levels present in groundwaters) to elaborate sulfur recovery plants (used to treat several tons per day at refineries and coal burning power plants). There are processes based on biology (using compost filters, scrubbing media, or inhibition/disinfection), chemistry (oxidation, precipitation, absorption, and combination), and physics (adsorption, volatilization, and incineration). Each process occupies a niche which is often defined by the scale and continuity of treatment, whether the sulfide is in solution or is a gas, the concentration of sulfide involved, and the disposition of the sulfide containing medium. However, for reasons relating to convenience and flexibility, chemical oxidation (using hydrogen peroxide) continues to grow in its scope of application. Treatment with Hydrogen Peroxide While other peroxygens such as permonosulfuric (Caro’s) acid, peracetic acid, and persulfates will oxidize sulfide, their use for this application is overkill. Hydrogen peroxide (H2O2) is considerably simpler and more cost-effective. H2O2 may control sulfides in two ways, depending on the application: Prevention - by providing dissolved oxygen which inhibits the septic conditions which lead to biological sulfide formation; and Destruction - by oxidizing sulfide to elemental sulfur or sulfate ion.
