Clean Energy and Clean Air in one word:

ENVIROTHERM

Technologies for Clean Energy and Clean Air (Air Pollution Control Technologies)

2 Technologies for Clean Energy and Clean Air

ENVIROTHERM – Core of Technology Entities within the Allied Group

Allied Resource Corporation

Wayne, Pennsylvania, USA

Dongfang Boiler Group Co. Ltd.

Zigong, Sichuan, China

DKCSCR Catalyst Production

Chengdu, Sichuan, China

Allied Technologies GmbH

Frankfurt am Main, Germany

BAMAG International GmbH

Essen, Germany

BAMAG Mena LLCCairo, Egypt

Allied Syngas (ASC)

Wayne, Pennsylvania, USA

Puralube Inc.

Wayne, Pennsylvania, USA

Aloe Environment Fund

Paris, France

Chengdu Huilian Property Ma-nagement Stock Co. Ltd.

Chengdu, Sichuan, China

Allied Environmental Solutions, Inc. (AES)

Columbia, Maryland, USA

ENVIROTHERM GmbHEssen, Germany

Shareholder

Subsidiary

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Subsidiaries

Subsidiaries

Subsidiary

ENVIROTHERM is the core of experienced and qualified engineering companies within the Allied Technologies Group. We engineer, supply and start-up tailor made plants for environmentally friendly power and chemical industry applications as an EPC partner and technolo-gy provider, with emphasis on syngas generation, flue gas cleaning,

power production and dedusting technologies. ENVIROTHERM’s extensive list of references is based on close contact to customers and a broad portfolio of modern technologies, continuously updated by cooperation with competent suppliers worldwide as well as with research institutes.

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Thermal Technologies, Environmentally Friendly Clean Energy

Technologies for Clean Energy and Clean Air

Circulating Fluidized Bed (CFB) meets high acceptance and is base technology, applied in power plants and other industries for steam ge-neration by combustion of low/high quality coal, biomass, sludges, RDF and other residual fuels. Enhanced downstream flue gas treatment is available for waste combustion and is designed in accordance with the latest environmental standards.

In addition to CFB, ENVIROTHERM’s portfolio includes the stationary (FB) fluidized bed technology. Both – CFB and FB – offer proven and reliable technologies with excellent emission values.

Numerous CFB/FB plants have been built. ENVIROTHERM’s activities are highlighted by

• Stadtwerke Flensburg, Germany, combined heat and power plant: Engineering for a re-fuelling project to co-fire up to 25 % (energy) of biomass and RdF (high CV and high Cl content) in three 150 t/h hard coal fired boilers

• Cottbus, Germany, combined heat and power plant: Redesign / supply of 12 cyclones and reengineering of in-bed bundles in a pressurized lignite fired fluidized bed boiler (82 MWel)

• Turkey, three CFB boilers up to 460 t/h steam, in collaboration with SES / Slovak Republic.

Vojany, Slovak Republic

CFB Combustion

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Clean Energy Thermal Technologies, Environmentally Friendly

Technologies for Clean Energy and Clean Air

Circulating Fluidized Bed (CFB) gasification is applied in the power, steel and other gas consuming industries for the gasification of various feedstocks ranging from low/high quality coal and waste materials to CO2 neutral biomass.

The unit capacity range corresponds to 5-50 MWel.

CFB is operated at temperatures below ash softening point (i. e. 750-950 °C), with an even temperature profile in the reactor and excellent heat and mass transport. Thus the CFB gasification technology is well suited for temperature sensitive (alkaline containing) fuels like various types of coal and biomass (woodchips, straw etc.).

Numerous CFB plants have been built. ENVIROTHERM’s CFB gasification activities are represented by the following references:

• CFB gasification of RdF in the cement industry – Ruedersdorf, Germany

• CFB gasification of demolition wood – Geertruidenberg, The Netherlands

• CFB gasification of high ash Indian coal and lignite – Barbil, India, two units

• permit engineering for a 5 MWel straw gasification plant, Germany

The commercially operated gasification units generate 50,000 Nm³/h syngas each.

CFB Gasification

Barbil, India

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Thermal Technologies, Environmentally Friendly Clean Energy

Technologies for Clean Energy and Clean Air

The BGL (British Gas Lurgi) fixed bed slagging gasifier operates at pressures up to 40 bar. Fields of application are power, chemicals and fertilizer industries as well as producers of liquid fuels or synthetic natural gas.

The BGL offers compelling competitive advantages like

• high cold gas efficiency (82 % - 93 %)

• high specific fuel throughput

• low oxygen consumption

• low steam consumption

• low aqueous liquor production

• high fuel flexibility: nearly all coal qualities and other types of fuels (e.g. waste) can be processed

• excellent load following capabilities

• slag as by-product is non-leachable and can be re-utilized

• enables CO2 capture and storage (“CCS”)

• modular design with a nominal capacity of approx. 1,000 tons of coal per day, equivalent to approx. 150 MWel (depending on feedstock)

• proven and robust design

14 BGL gasifiers are currently under engineering or construction, thereof 12 in China and 2 in India. Application is for ammonia, urea and fuel gas generation. Commissioning is planned from 2012 onwards.

BGL Gasification

Schwarze Pumpe, Germany

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Clean Energy Thermal Technologies, Environmentally Friendly

Technologies for Clean Energy and Clean Air

Hazardous Waste Incineration

Izmit, Turkey

7Technologies for Clean Energy and Clean Air

ENVIROTHERM supplies plants for the incineration of various types of solid and liquid hazardous waste in a rotary kiln. Long residence time in the rotary kiln in connection with a downstream high tem-perature post combustion chamber is meant to ensure an excellent burn-out and complete destruction of hazardous substances.

Heat from the hot flue gases is recovered by a waste heat boiler and converted into electric power in a steam turbine.

The cooled flue gas is cleaned in a modern flue gas treatment plant to highest emission standards. The flue gas treatment plant is tailor made and may be effluent free depending on local conditions and requirements.

ENVIROTHERM can draw on a number of 25 hazardous waste incineration plants built worldwide.

One of them is located in Izmit / Turkey, has a waste incineration capacity of 35,000 t/a and provides for the generation of steam at a rate of 27 t/h to be converted into 5.2 MWel.

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Clean Air Air Pollution Control Technologies

Technologies for Clean Energy and Clean Air

ENVIROTHERM’s flue gas cleaning technologies are best suited for power plants, sludge, municipal solid waste or hazardous waste incineration plants. All plants are tailor made acc. to capacity and expected contaminants. They provide for the elimination of toxic substances to meet most stringent environmental standards.

The cleaning units consist of proven and reliable components.

Effluent free units are available for coping with challenging local conditions and requirements.

ENVIROTHERM’s flue gas cleaning plants are part of numerous sewage sludge and hazardous waste incineration plants.

Flue Gas Cleaning

9

Air Pollution Control Technologies Clean Air

Technologies for Clean Energy and Clean Air

For more than 50 years ENVIROTHERM’s catalysts have been developed and continuously improved for the application in catalytic reduction processes, e. g. for the reduction of nitrogen oxides in the flue gas of power plants (SCR technology, ZERONOX®). In addition to the reduction of nitrogen oxides the ZERONOX® D catalysts stand for reducing dioxins.

Depending on local conditions Envirotherm’s monolithic TiO2 based honeycomb catalysts are installed either on the high dust or on the low dust side of the flue gas path. Catalytically active components can be customised for specific applications in accordance with process related requirements. They have a square cross-section of 150 x 150 mm and can be supplied up to lengths of 1,300 mm.

Compared to non-catalytic processes the consumption of ammonia containing reducing agents is significantly less.

The production of the catalysts has been moved into a Joint Venture in China in 2006. Over 40,000 m³ of the ZERONOX® and ZERONOX® D catalysts have been supplied. This is equivalent to a nitrogen oxides reduction capacity of approximately 40,000 MW of electrical power station capacity.

SCR Catalyst

ENVIROTHERM catalysts production, Chengdu, Sichuan, China

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Clean Air Air Pollution Control Technologies

Technologies for Clean Energy and Clean Air

Precipitator technique has constantly been optimized and is the most economical dedusting system for numerous applications. ENVIROTHERM has further developed the technology and uses various electrode types like framed-wire or rigid discharge electrodes to suit process requirements.

ENVIROTHERM supplies new plants or retrofit improvements based on flow simulations and alterations of mechanical or electric equipment.

Fields of application

• power plants, coal and oil fired

• Waste-To-Energy plants, sludge incineration

• production plants for cement, lime and gypsum such as kilns, dryers and coolers

• gas production plants

• pulp and paper industry aerosol removal as sulphuric acid, phosphoric acid, hydrochloric acid, removal of very fine salt aerosols

• coke oven plants (e.g. detarrer)

References

• Wachtberg, RWE, Germany, lignite fired boiler

• Zweckel, E.ON, Germany, oil fired boiler

• Niederaussem, RWE, Germany, dust separation in lignite drying process

• Yeosu, KOSEP, Korea, hard coal fired boiler

• Shell-Godorf, Cologne, Germany, aerosol removal in an oil fired power station

• Trimmis, Switzerland, SO3 removal in a waste incineration plant

• Durban, Huntsman, South-Africa, H2SO4 removal in a TiO2 production plant

Electrostatic Precipitator (ESP)

Dry ESPWachtberg, Germany

Wet ESPGodorf, Germany

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Air Pollution Control Technologies Clean Air

Technologies for Clean Energy and Clean Air

Fields of application

• coal fired power plants

• Waste-To-Energy plants, sludge incineration

• flue gas cleaning plants, dry or semi-dry system

References:

• Fynsvaerket Vattenfall, Denmark, coal-fired boiler dedusting, retrofit contract

• Moneypoint, ESB, Ireland, fabric filter as integral part of CFB-FGD, 3 units

• Nordweststadt, Frankfurt am Main, Germany, fabric filter as integral part of CFB-FGD, 4 units

• more references in Europe, South-Africa, Australia

Fabric filters are using bags to remove dust and particles from the gas stream. ENVIROTHERM offers filters with textile bags up to 10 m length, high quality non-woven felt made of PE, PPS, PTFE.

Different types of filters are available in Pulse-Jet or Low Pressure technology. The enhanced and proven design allows for easy access for maintenance and provides a walkable plenum chamber, differential pressure monitoring and free adjustable settings.

Fabric Filter

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Nature appreciates the way ENVIROTHERM does the job!

Technologies for Clean Energy and Clean Air (Air Pollution Control Technologies)

ENVIROTHERM GmbH

Ruhrallee 185 n D – 45136 Essen n info@envirotherm.de n www.envirotherm.de

Phone +49 201 6346 400 n Fax +49 201 6346 500