air filter product Applications

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Air dedusting for clinker cooler

by Advanced Cyclone Systems, S. A.     based in Porto, PORTUGAL

e control of clinker fines emissions after the heat exchanger, placed downstream of the clinker cooler is usually a problem for plant managers. The process is characterized by high material abrasiveness, high loads and variable flow rate in normal and maximum conditions.

The usual dedusting arrangement is achieved through a bag house which is typically associated with high maintenance costs and downtime in production due to frequent filter element replacements.

Air filtration for the automotive industry

by Ahlstrom Filtration     based in Tampere, FINLAND

As a leader in automotive filtration applications, Ahlstrom has always been at the forefront of high-performance filter media.  Our Research and Development organization works hard to develop next generation products to meet the market needs for Air intake filtration.  Our air intake filter media range covers all market requirements from Heavy Duty and Automotive panel filter applications.    

 

Emission control & air dedusting for steel and ferrous alloys

by Advanced Cyclone Systems, S. A.     based in Porto, PORTUGAL

teel and ferrous alloys production happens in industrial manufacturing processes which involve high temperature exhaust streams, often at more than 900 ºC. Typically, the gas flows into a gas conditioning tower to cool down to approximately 200 ºC, before entering into an ESP. These flue gases from steel or ferrous alloys kilns are also very maintenance demanding for bag filters and the very small size of the particles limit the use of usual dedusters such as regular cyclones and multicyclones as pre-separators. Bag filter failure is consequently a very common problem for clients in this industry. 

Client`s needs include a very robust dedusting system, either serving as end-stage collector avoiding the need to cool down flue gases, or strongly minimizing the loads of aggressive material to bag filters. 

Industrial air pollution control for the chemical and petrochemical industry

by Chemisch Thermische Prozesstechnik GmbH / CTP Air Pollution Control     based in Graz, AUSTRIA

CTP systems can be found in every leading production company: thanks to the experience and the expertise developed in partnership with our customers for processes with inconsistent waste gas volumes; varying concentrations of organic components; gases contaminated with aerosols. CTP has installed systems for waste gas streams ranging from 1,000 to 200,000 Nm³/h. CTP supplies this industry with mainly catalytic systems, regenerative thermal oxidisers (RTO) and adsorbers. As the flue gases in this industry are often explosive mixtures, CTP systems have to be completed with special safety conduits and filters to help reduce hazards during continued operation.

Odor control for the poultry feed production

by Aerox B.V.     based in Vleuten, NETHERLANDS

The animal feed industry has its roots in the way traditional millers grinded the grains centuries ago, using (wooden) windmills. Nowadays feed is produced for chickens and other poultry, as well as for cattle, pigs and horses. There is a wide variety of feed and grains produced, with different raw materials (nutrients) applied in several compositions.

In this modern era electric driven pellet mills are applied and grains are cooled mainly in counterflow coolers. To remove dust from the used cooling air usually a baghouse filter is being used which can meet the current severe dust emission standards. After this the air eventually will be blown outside. Especially the cooling air of poultry feed and pig feed production should be deodorized to prevent complaints.

A factory usually has multiple pellet lines in service with about 15,000 to 25,000 m3/h of cooling air per line. Aerox has developed specific solutions for this industry.

On the one hand a compact Aerox®-Injector can be installed per pellet line. On the other hand, airflows of different production lines can be joined together and can be treated with one compact Aerox®-Injector. In practice, this can be added up to 4 lines with a total airflow of up to 90,000 m3/h.

Since the Aerox®-Injector can run on different capacities unnecessary power consumption is prevented when not all pellet lines are in service. This benefits the environment and reduces operational costs.

Dust monitoring and Sand Storm Monitoring

by Ecotech Pty Ltd     based in Knoxfield, AUSTRALIA

The frequency and intensity of dust and sand storms in many parts of the world are steadily increasing due to droughts and climate change. The severity of such storms is anticipated to increase over the coming years. These dust storms may last hours or days and cause huge damage and imposed a heavy toll on society with its physical effects, such as visibility reduction, heavy winds, red sky, hailstone and severe lightning. Such Dust storms, have a negative impact on human health, and industrial products and activities. They reduce visibility, layer on skin and cloths, infiltrate buildings and find their way into food and drinking water leaving a permanent sandy feeling in your mouth. Traditional dust monitoring instruments whether they be purely filter based gravimetric samplers or continuous monitors utilising Tapered Element Oscillating Microbalance (TEOM) or Beta Attenuation (BAM) simply are unable to cope with the high dust loads created by these storms. The filters on these instruments are quickly clogged and no further measurements are possible until a service technician visits to replace filters and filter tapes. In dust storm events this is impossible. Therefore, over the past few years a need for alternate technology which are non filter based, can cope with extremely high dust loads, require minimal maintenance and can operate off solar power has been employed in regions such as the Gobi Desert of China for the continuous monitoring of dust storm events. These instruments have demonstrated that an instrument can measure dust storm events with maintenance performed only once every 12 months. That it is possible to communicate remotely and that these systems can not only provide an early warning for dust events but have the accuracy and sensitivity to be an extremely useful tool in gauging hourly changes of visibility. Infact such instruments have been utilised by a number of EPAs around the world, including all Australian EPAs for the purpose of measuring ambient visibility as well as providing an accurate indication of rising dust events.

Solutions for personal protection against vapors, gases, air particles & dust

by Calgon Carbon Corporation     based in Pittsburgh, PENNSYLVANIA (USA)

Our activated carbons provide personal defense solutions against vapors, gases, air particles, and dust. Proven Experience: Since 1942, Calgon Carbon has been helping the world breath more easily by providing the most technologically advanced activated carbons for personal and collective protection filters. Today, we supply high-quality impregnated carbon for military, industrial, and laboratory markets. As new needs for personal protection emerge, we will continue to develop new products and find innovative uses for existing ones.

X-ray fluorescence XRF analysis for environmental protection and waste management

by Bruker Corporation     based in Billerica, MASSACHUSETTS (USA)

To meet the requirements of new regulations and to protect the environment effectively, industries need techniques that enable the analysis of elements at lowest concentration levels. Bruker X-ray fluorescence (XRF) analysis is the most suitable analytical technique for handling different kinds of materials. Bruker’s XRF, ICP-MS, GC, TOF-MS, FT-IR, CBRNE products and applications help you to monitor contaminated land efficiently and quickly, to determine hazardous elements in the air and water, as well as to classify waste material and to specify products for recycling and disposal. Whether solids, sludge, filters, liquids or powders: there is a fast and simple sample preparation technique for every material type.

Oil Mist and VOC Collection

by DiversiTech     based in Montreal, QUEBEC (CANADA)

Oil Mist is Unbreathable. Oil based cutting fluids are often used in CNC milling, machining and metalworking. During production, these processes can produce a mist that can threaten sensitive electronic circuitry and presents serious physical risks to employees (accidents from slipping, breathing hazards).? What are the risks in a workshop with oil mist? Exposure to oil mist for a prolonged period of time can cause a number of health issues. Dermatitis Eye, nose and throat irritation Damage to the respiratory system Bronchitis Bronchial asthma Chronic cough Slip hazards (falling, dropping of tools/materials)? How can you protect yourself?? Mist collectors are effective at capturing and filtering harmful oil mist pollution. They can either be installed on individual machines or to a central location. Having the correct oil mist filtration equipment installed will protect your employees from unnecessary health risks. In addition to this, it will also help to protect your business from long term liability and healthcare costs related to workplace air contamination.?

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.

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