Air Quality Consulting / Management

Analytical Services

Chromatography and Wet Methods

Coating and Ink Analysis

Flue Gas Desulfurization System Sample Analyses

Flyash Analysis

Gravimetric Analysis

Inorganic Analysis

Organic Analysis

Particle Characterization

Resistivity Analysis

Resistivity and Particle Size Introduction

Function of Temperature

Fig. 1: Temp. vs. Resistivity

Resistivity in Simulated Flue Gas

Table 1: Coal and Ash Chemistry

Fig. 2: Resistivity vs. Electric Field

Fig. 3: Resistivity Model

Particle Size Distribution

Fig. 4: Bahco Particle Size

Greenhouse Gas Management

Mercury Monitoring

Performance / Efficiency

Performance Test Instrumentation Support

Stack / Source Emissions Testing

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ESP Modeling

Particle collection performance of an electrostatic precipitator is predicted using customer-supplied precipitator mechanical and electrical data as well as coal and fly ash compositional data. The model is described in EPA-600/7-84-069 a&b and is commonly referred to as the EPA/SRI computer model. In addition to modeling the existing precipitator performance, the effects of various changes (such as coal switching and gas conditioning) can be predicted.

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