Title:
Reduction of Fine Particle Emissions from Small-Scale Wood Combustion by Use of Electrostatic Precipitation
Author(s):
Bologa, A., Paur, H.-R., Seifert, H., Woletz, K.
Document(s):
Paper
Abstract:
The small-scale wood combustion is responsible for emissions of fine particles. Last time quite a lot is done in development of compact gas cleaning systems, especially electrostatic precipitators (ESP). The purpose of the article is to discuss the development of a novel space-charge electrostatic precipitator (SCEP) for small-scale wood combustion. A new approach is applied to ensure long-term stable and effective operation of the SCSP. The electrostatic precipitator can be installed between the chimney and combustion appliance or in the chimney itself. It is equipped with an automatic system for collector cleaning from precipitated aerosol. The SCEP was tested with a wood-log stove. The tests were carried out at gas flow rate of 50-70 m³/h. The DC negative polarity corona discharge was used for particle charging. The SCEP collection efficiency depends on combustion conditions and operation parameters of the ionizer stage. The fractional collection efficiency of the electrostatic precipitator achieves the values over 90% and the mass collection efficiency is over 80%. In the article it is also analysed the possibility of use of the SCEP together with heat exchange equipment.
Keywords:
combustion, efficiency, gas cleaning, measurement, particle emission, wood
Topic:
Biomass Conversion Technologies for Heating, Electricity and Chemicals
Subtopic:
Combustion for small and medium scale applications
Event:
19th European Biomass Conference and Exhibition
Session:
VP2.1.10
Pages:
1230 - 1239
ISBN-13:
978-88-89407-55-4
ISBN-10:
88-89407-55-7
Paper DOI:
10.5071/19thEUBCE2011-VP2.1.10
Price:
FREE
