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waste gas Applications

  • Waste gas treatment for the TFT industry

    Manufacturing TFT/LCD displays requires waste gas treatment as well. Processes that produce large scale Thinfilm Transistors (TFT) on glass substrates, for instance, use Chemical Vapour Deposition – CVD – to separate the thin films onto the material. The process requires cleaning the process chamber periodically and usually employs etching with NF3. Etching of the separated thin films typically utilises CF4, SF6 and chlorinated gases, which release large amounts of waste gas mixtures.

    By DAS Environmental Expert GmbH based in Dresden, GERMANY.

  • Waste gas treatment for the LED industry

    Market analysts predict sustained growth in demand in the LED industry. After LED backlighting for the small LC displays of mobile phones and the LC displays of larger screens in the television market, the next potential growth market is the lighting industry: Sales of LEDs in this market in 2012 are almost USD 3.5 billion – thus nearly doubling since 2010. Analysts are expecting a growth of more than USD 7 billion in 2014 and believe that the total market for LEDs should peak at USD 17.7 billion.* A mass market of this scale for LEDs also means increasing emissions that need to be abated by specific waste gas treatment systems at the point of use. In the manufacture of products based on innovative light emitting diode (LED) technology, ammonia and hydrogen are used in large quantities as process gases. The environmental engineers at DAS have recognised this market trend and developed new solutions such as LARCH for waste gas treatment in MOCVD processes.

    By DAS Environmental Expert GmbH based in Dresden, GERMANY.

  • Waste gas treatment for the semiconductor industry

    In the early 1990s no appropriate and comprehensive technical solution had been available for waste gas treatment in the semiconductor industry. Back then as well as today many industrial and research production procedures use process gases and generate waste gases. These waste gases, considered greenhouse gases, are toxic and/or highly flammable and very often pose a significant risk to production facilities and the environment. The semiconductor industry, for instance, uses perfluorocarbons, whose global warming potential is extremely high and therefore requires an efficient waste gas treatment. Combining and transporting different gases into a fab’s central waste gas system might produce highly flammable and highly explosive gaseous mixtures, which in the past has occasionally caused the total loss of entire production facilities. Particles contained within gases may also cause exhaust blockages. To eliminate these risks, process waste gases need to be treated at the “Point-of-Use” (POU) where harmful exhausts are abated immediately.

    By DAS Environmental Expert GmbH based in Dresden, GERMANY.

  • Energy from biogas and natural gas for the waste to energy industry

    You are a farmer/entrepreneur and would like to make money from generating electricity and heat? Then you have come to the right place. Within just a few years Dreyer & Bosse Kraftwerke GmbH have advanced to become one of the leading manufacturers of combined heat and power stations on biogas basis - we have available a complete product portfolio for energy applications of biogases or biomethane.

    By Dreyer & Bosse Kraftwerke GmbH based in Gorleben, GERMANY.

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    Portable and fixed gas analysers for agricultural waste AD (large scale)

    Large agricultural processors install AD plant to generate revenue and dispose of biodegradable waste, which is usually a single type.

    By Geotech based in Leamington Spa, UNITED KINGDOM.

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    Very large waste gas volumes with low contaminant concentration

    The CTP desorption allows for an especially high concentration factor which, in turn, reduces the cost of ownership and permits an auto-thermal operation (additional burner switched off) even when the contaminant concentration is low.

  • Pumping solutions for fuel (waste)

    Fluids Handled - Petroleum Refining, Blending and Transporting.

    By Hydro Prokav Pumps (India) Pvt. Ltd. based in Sidco, INDIA.

  • Waste tyre recycling fuel oil pyrolysis plant

    Waste tyre recycling the obtain thing as follows: 45%-55% fuel oil, 10%-15% steel wire, 30%-35% carbon black and 8%-10% flammable gas. You can get diesel from fuel oil by distillation plant. You can get a very high profit by disposing these wastes, and also it's helpful for improving the local environment, avoid garbage pollution . As the fuel material used in Cement factory, glass factory, ceramic factory, electric power factory, steel making factory, boiler factory, etc. 2. Final diesel come out from our distillation plant and deodorant & decolorant can be used in diesel generator. 3. Used in diesel powered cars, such as vans, truck, tractor, etc. 4. Use as heating oil, industrial and home. Carbon black : 1. Make it to briquette for fuel. 2. Used in rubber and painting factory after carbon black grinding to 200-4000 mesh. Contact: Ms Bonnie Phone: +86-371-5677 1821 +86 15893800169 Skype: bonniezhao2 Email: oilmachine@doinggroup.com www.wastetireoil.com

    By Henan DOING Renewable Energy Equipment Co.,ltd based in Zhengzhou, CHINA.

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    Several waste gas streams: Short, high concentration peaks and a constant |medium concentration

    Concentration peaks and liquid waste posed a tough challenge on the air pollution control system. With the CTP solution, this waste is not only disposed of but also reduces the burner energy considerably.

  • Biogas to Elecricity

    The range of supply of biogas to electricity solutions is from 10 kW to 1 MW. All the components of the solution are provided with matching capacities. It comprises the biogas digester system of the desired capacity, gas storage, biogas cleaning system to get rid of H2S from the gas, and the biogas genset. In the digester system, one may have a pre-digester or a feed mixing chamber or both. On the post-digester side, liquid from the slurry is separated and is recycled for feed preparation. It reduces the overall fresh water demand of the scheme. The digester itself may be temperature controlled and the input for the same could be given from heat recovery of the genset or from a solar heating system or from any other heat source as the case may be.

    By Kirloskar Integrated Technologies Limited based in Kothrud, INDIA.

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    Gas Sensing for Gasification

    Syngas (short for synthetic gas) can be burnt and used as a fuel source, the main constituents of syngas are Carbon Monoxide (CO) and Hydrogen (H), which amount for around 85% of Syngas, and it is produced by a process called Gasification. Gasification starts with a base material which can originate from a wide variety of materials for example wood chips and pellets, plastics, municipal solid waste, sewage, waste crops, and fossil fuels such as coal. During Gasification the base material is reacted at high temperature without combustion with controlled amounts of oxygen (O) or steam. The composition of the base material combined with the amount of oxygen and heat used in the process affects the composition of the resultant SynGas, in which the CO can vary between around 20 and 60%. In addition, large amounts of H and CO are also formed. The measurement of CO is therefore an important feature in the production of SynGas.

    By Edinburgh Sensors Ltd based in Livingston, UNITED KINGDOM.

  • Continuous process waste tyre to oil recycling

    Solution: Continuous pyrolysis plant Function: Recycling waste tire to fuel oil Applicable raw material: Car tire, Truck tires, OTR tries, etc Output: 45-52% crude oil, 30% carbon black,12-15%steel wire, 8% waste gas Heating fuel: Coal / wood / fuel oil / gas Pyrolysis plant land size: 25x20m Reactor design: Mutiple reactors with internal rotating Reactor material: Q245/Q345 Boiler plate

    By Henan DOING Renewable Energy Equipment Co.,ltd based in Zhengzhou, CHINA.

  • Biogas for Cooking

    This solution comprises a Biogas Digester of desired capacity working with specific substrate as input. It may or may not have H2S scrubbing system, depending on the quantity of H2S in the biogas and the requirement by the customer for cleaning it. As the heating value of biogas is almost half that of cooking LPG, specially designed biogas burners are provided to improve cooking speed. Depending on the demand by the customer, a blower to increase gas pressure may be employed.

    By Kirloskar Integrated Technologies Limited based in Kothrud, INDIA.

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    Dosing pumps for anaerobic disgestion and biogas industry

    Biogas is a natural gas also known as biofuel or biomass and is produced by breaking down organic material such as household waste, manure and crops grown specifically for biofuel with temperature-sensitive microbes and capturing the by-products.

    By Verderflex Peristaltic Pumps - part of the Verder Group based in Castleford, UNITED KINGDOM.

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    Sensor for Biogas

    Anaerobic Digestion plants produce various gas components from a source material (or feedstock) that can be composed either solely or as a mixture of slurries, purpose-grown crops, food and organic waste material. The composition of the gas produced varies depending upon the feedstock and the Anaerobic digestion process itself. As a consequence, it is normal to measure various components of the resultant gas produced to evaluate the efficiency of the Anaerobic Digestion process. Furthermore, due to the flammable nature of Methane (CH4), and the risk of asphyxiation, most plants feature ambient air monitoring to protect personnel from any unplanned accumulation of leaked gas. CH4 is the gas component fuel, which is the intended end product of the anaerobic digestion process. In biogas plants, the concentration of CH4 in a working plant varies between 50%-75%, which is well above the Upper Explosive Limit (UEL).

    By Edinburgh Sensors Ltd based in Livingston, UNITED KINGDOM.

  • Pyrolysis oil to diesel

    Pyrolysis oil to diesel continuous waste pyrolysis oil to diesel Solution: Oil refining machine Applicable: Tire oil, Plastic oil, Waste oil, Pyrolysis oil,Engine oil, Black oil, Heavy oil, etc Output: 85-90% good clean oil, the rest is slag and waste gas Heating fuel: Coal / wood/ fuel oil / gas Oil refining machine land size: 20X15m Reactor material:Q245/ Q345 Boiler plate

    By Henan DOING Renewable Energy Equipment Co.,ltd based in Zhengzhou, CHINA.

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