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ICESP X CONFERENCE PAPER ABSTRACTS 12B SERIES

Held in Cairns, Australia
June 25 - 29, 2006

The International Conference on Electrostatic Precipitation (ICESP) is the official conference of the International Society for Electrostatic Precipitation (ISESP).  

The following is a list of the Abstracts for the 12B Series papers from the X ICESP Conference.  

12B1
SIEVING ELECTROSTATIC PRECIPITATOR

H. PASIC, Z.H. KHAN AND R. RIDGEWAY

Abstract

The paper describes so-called Sieving Electrostatic Precipitator (SEP) suitable for efficient and cost-effective cleaning of polluted gases of both large and ultra fine particulates in a very broad temperature range. Some of the laboratory-pilot-test results are discussed. The paper also describes the ongoing research project jointly funded by the Ohio Coal Development Office (OCDO), American Electric Power (AEP), Electric Power Research Institute (EPRI), Ohio University (OU) and PECO Inc. related to design, building and testing of a large-size  pilot SEP to be built as a part of slipstream at the AEP’s Conesville, Ohio power plant. In the SEP the particulate-laden gas is passed through a set of closely packed and charged fine wire screens. Depending on the application, the screens can have the same or alternating polarity-- the former configuration being a more compact and cost-effective solution. In the last three years, a large number of fly ash collection-efficiency experiments have been conducted, first on a bench-size SEP with about 100 6-by-6-inche screens, at room temperature, high temperature (300-350 0F), and a few tests at 1500 0F. 

Most recently, the SEP has been demonstrated in a laboratory pilot-scale setting with 6-by-2- foot screens, at room temperature. All the results confirm that this technology deserves further studies. Its high efficiency is primarily attributed to good charging of particles, to particulate agglomeration, and to the beneficial combination of different charging and particulate-capturing mechanisms, all in the laminar flow conditions.

Utilization of this technology could result in drastic reduction of the precipitator size and cost.

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12B2 
MULTI-STAGE COLLECTOR (MSC™) PROOF-OF-CONCEPT PILOT
DESIGN AND EVALUATION
HENRY V. KRIGMONT, LAWRENCE J. MUZIO AND RANDALL A. SMITH

Abstract

The new MSC™ technology provides an optimum combination of single- and two-stage electrostatic precipitation augmented by barrier filtration. This arrangement ensures that essentially all dust is retained within the collector. 

The operation of the MSC™ is virtually independent of the collected material’s electrical resistivity. Hence, its application will be especially beneficial when the electrical resistivity of the collected material either exceeds 1011 or is less than 104 Ohm-cm levels.

This paper will present details of the Proof-of-Concept (POC) MSC™ pilot unit design. The initial pilot results have shown collection efficiencies of 99.99% at face velocities (FV) of about 8 ft/min. Up-to-date results of the MSC™ POC pilot evaluation and future development work will be discussed.

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12B3
THE DEVELOPMENT AND APPLICATION OF MECHANICAL AND
ELECTRONIC MULTIPLEX DOUBLE FIELDS ESP
GUO JUN, MENG LIU, WEN RONGSHEN, LIAO ZENAN AND ZHANG HUARONG

Abstract

This paper demonstrates the technical and structure characteristics of the new type Multiplex Double Fields ESP of our company. This ESP not only separates the charging and dust collecting completely, but also optimizes the electric operation of each section and make the best of the Double Fields advantage so that it can enhance the collecting of the high resistance and low resistance dust, which improves the dust cleaning efficiency. LongKing has gained national patent on this technique.

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