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Energy from Waste (EfW)

Energy from Waste PlantEnergy from Waste (EfW) plants recover energy from waste, producing electricity and/or heat. Their purpose is not to compete with waste recycling, reuse and prevention, but to complement them. EfW is designed to remove waste from less environmentally sound disposal routes, such as landfill, or incineration with insufficient energy recovery.

The delivery of heat from EfW plants can be conducted at much higher efficiencies than electricity only plants. Those that operate in combined heat and power (CHP) mode will therefore continue to be superior to landfill, with longer plant lifetimes and using waste streams with a much wider range of biogenic content.

EfW plants generally employ one of three technologies: direct combustion, pyrolysis and gasification.

Direct combustion burns waste that cannot be recycled, producing high-pressure steam that is converted to electricity using a turbine and generator. This electricity is either used locally or transferred to the national grid. These plants can also produce hot water or steam that can be used for industrial or domestic heating purposes. Pyrolysis is the thermal degradation of waste in the absence of air to produce a syngas which is then used to generate power. Gasification involves the partial oxidation of the waste, producing a syngas which is then used to generate power.

All waste burning plants, including small waste incineration plants, have to meet at least the stringent emissions limit, monitoring, waste reception and treatment standards brought in under the Waste Incineration Directive (2000/76/EC) which has been recast into the Industrial Emissions Directive (2010/75/EU).

In May 2017, the first draft of the new waste incineration best available techniques (BAT) reference document (WI BREF) was released by the European IPPC Bureau. It is currently a working draft, replacing a BREF from 2006, but it will eventually form the legally binding rules for the operation, and in particular emission levels, of Europe’s EfW plants. BAT is to monitor emissions to air with at least the frequency specified and in accordance with EN standards. If EN standards are not available, BAT is to use ISO, national or other international standards that ensure the provision of data of an equivalent scientific quality. Continuous monitoring is prescribed in the WI BREF for NOx, NH3, CO, SO2, HCl. HF, Dust, Hg, and TVOC.

Quantitech is able to specify, design, install and commission complete integrated continuous emission monitoring systems to ensure regulatory compliance and to inform process control. Please contact our technical support staff if you need any help or advice in planning your requirements.

Quantitech is one of the UK’s leading providers of MCERTS approved CEMS. As a subsidiary of Gasmet Technologies, Quantitech is able to integrate Gasmet’s leading edge FTIR technology into CEMS systems, enabling operators to monitor multiple gases and other process parameters such as particulates and flow, simultaneously.

Why choose Quantitech/Gasmet as your CEMS partner?

  • Reduced-risk equipment satisfies all regulatory requirements without any exceptions.
  • Save with minimal maintenance, operational costs and calibration.
  • Increased number of gases certified to future-proof your investment. With Gasmet FTIR, if there are additional requirements, new compounds can be added to the measurement setup without costly hardware changes.
  • Improved design - durable, rugged and dependable.
  • Gain longevity of investment with long lifetime expectancy.
  • Reputation for providing analytical expertise, supplying quality products and services. Including rental of equipment - responding to and helping many sites meet their monitoring obligations during difficult equipment downtime periods.

 

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For more information

Telephone us on on +44 (0)1908 227722

Quantitech Ltd
Unit 3, Old Wolverton Road
Milton Keynes
England
MK12 5NP

Quantitech is a subsidiary of Gasmet Technologies Oy

Tel: +44 (0)1908 227722
Fax: +44 (0)1908 227733
Email: info@quantitech.co.uk

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