Plasma furnaces and reactors for waste treatment technology of - - PowerPoint PPT Presentation

Plasma furnaces and reactors for waste treatment

technology of processing wastes

• n the basis of plasma chemistry technology

Our vision is to create a world where waste is an asset, not a liability

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With the development of civilization waste of human activity is increasing at an alarming rate Waste Management - the inevitable trend of the XXI century, every year mankind will be forced to spend more and more money on recycling Our task is to make this process environmentally safe and cost- effective

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Plasma, due to the high temperatures, can destroy any waste to the atomic level, which makes the plasma technology the most versatile and efficient method treatment the full range of waste man-made Plasma technologies can be involved in re-circulation maximum amount

• f the substance found in the waste

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Advantages ¡of ¡plasma ¡technologies: ¡

• Ecological cleanliness
• Waste products can be processed without preliminary sorting
• Absence of harmful emissions (inclusive dioxids)
• Quantity of gaseous products of gasification of the waste products subject to

clearing of essentially less quantity of products of their burning, formed in the traditional technologies based on burning of waste products. It results in sharp reduction of dimensions of system of clearing of departing gases

• Reception of the clean alloyed slag which can be used as building materials or

buries, not being exposed to destruction

• Opportunity to receive from organic waste products combustible gases which can

be used in the technological purposes. For example syngas with high calorific value and high hydrogen content is produced

• Opportunity to receive thermal or electric energy
• High energy density, high thermal transfer efficiency
• Reduction of time constants, high process rates
• Possibility to flexibly to guide the process for different versions of the script

physicochemical

• Reduction of reaction volume
• The low inertia of the process and, as a consequence, a higher degree of

security, since the process can quickly stop and restart

• Better control of exhaust gas composition
• Reduction of production of tars (organic compounds with high molecular weight)

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Plasma technologies are widely applied to processing various waste products

• Municipal
• Industrial
• Medical
• Radioactive
• Military

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Products treatment and processing target

(Two major problems)

Getting a secondary useful products (energy, fuels and chemical raw materials)

• organic vegetable waste
• organic biological waste
• synthetic waste (polymers,

plastics)

• petrochemical waste
• low-grade mineral fuels
• municipal
• industrial (non-toxic)

Environmentally safe disposal, recycling in the inert form

• тoxic (including persistent
• rganic pollutants (POPs))
• medical
• radioactive
• military

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Vegetable waste

• wood and articles thereof
• foliage
• waste and timber felling
• agricultural waste
• defective agricultural products
• waste paper and other cellulosic waste

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Biological waste

• waste and poultry slaughterhouses
• waste of food production
• products have become unusable
• fallen pets

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Synthetic waste (polymers, plastics)

• polyethylene waste
• plastic articles
• synthetic textiles
• car tires and other rubber waste
• polymer components of electrical and

electronic devices

• household products containing plastics

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Petrochemical waste

• waste oil refining including acid tars
• oil sludges
• waste lubricating materials
• still bottoms
• bituminous sand
• removed asphalt
• waste soft roofing made ​based on

bitumen and tar

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Low-grade mineral fuels

• shale oil
• peat
• brown coal

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By-products

• Thermal or electric energy
• Construction material
• Synthesis-gas

Chemical conversion by-products

• Methanol
• Hydrogen
• Engine fuel

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Plasma torches 20 kW – 2 MW

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Direct current stream plasma torches 60 kW

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Alternating current plasma torches 250 kW

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Direct current plasma torches 500 kW

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Original design of three-jet plasma reactor for treatment liquid organic wastes

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One of the plasma waste treatment technologies with heat recovery module

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Plasma furnace for waste treatment 500 kg/h

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Plasma furnace for waste treatment 50 kg/h Plasma furnace for waste treatment 50 kg/h

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Plasma furnace of direct action

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Plasma set for liquid waste treatment 30 kg/h with non transferred arc plasma torch

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DC Transferred Plasma Torch

Power – 100 kW Plasma forming gas – Argon, Nitrogen Gas consumption – 1-4 l/min

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Plasma set for RAW processing with non transferred arc plasma torch

Power – 50 kW Productivity – 25 kg/h Vitrified Ash

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Multilevel exhaust gas purification system

Unit for slag disposal

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Unit for slag disposal

Unit for slag disposal

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Sources of such radioactive waste

• Nuclear power plants;
• Nuclear fuel cycle industries;
• Research centers; Universities;
• Hospitals, medical centers and

laboratories;

• Industries (non-energy);
• Historical waste.

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Methods of radioactive waste processing

Cementation Bituminization Curing in polymer matrices Combustion Pyrolysis.

All of these methods are limited in their application in the field of

chemical, morphological, and aggregate composition of material to be processed.

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Product processing

Combustion Toxic ultra dispersed ash Plasma vitrification Vitrified compound

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Product processing

Cementation - Steel tank with cemented waste Plasma vitrification – Steel tank with vitrified compound Volume reduction

• f 10 to 50

times

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Element Concentration in solution, mg/l Ca 0,0230 ± 0,0021 Fe 0,0010 ± 0,0002 Mg 0,0010 ± 0,0002 Na 0,0020 ± 0,0003

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Why we do it better than others? What are our up trumps?

• Highly qualified and creative staff;
• 50 years of experience of HMTI in the creation
• f plasma technology;
• Deep knowledge and experience in the field of

physics and chemistry of hydrocarbon conversion processes and heat transfer;

• The possibility of relying on experts from other

institutions of the Academy of Sciences and universities, to solve adjacent technical problems.

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MOBILE UNIT

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MOBILE UNIT 200 Kg/hour

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MOBILE UNIT 200 Kg/hour

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