scope:

This manual has been limited to the application of control equipment to fuel burning boilers and incinerators for the purpose of reducing point-source emission rates. A procedural schematic for its use is illustrated in figure 1 - 1. Although the selection of a site, a fuel, and burning equipment are outside the scope of this manual, there are alternatives available to the engineer in arriving at the least-cost solution to air pollutant problems. Once these factors have been decided, boiler or incineration emission rates and reduction requirements can be estimated using chapters 2 and 3.

If emission rates are in compliance with local, state, and federal regulations for point-sources, their effect on local air quality must yet be ascertained. Such factors as stack height and prevailing meteorological conditions, while affecting ambient pollution levels, do not have an effect on point-source emission rates. They are considered in this manual only to make the reader aware of their importance. These factors are unique for each particular site, and usually warrant expert consultation. If emission rates for a boiler or incinerator are above local, state or federal requirements, or if air-quality regulations might be violated, selection of a pollution control device will be required. The technical and cost selection of control equipment are embodied in this manual.

Appendix A contains a list of references used in this manual. A bibliography listing publications of subject material relating to the topic of this manual can be found at the end of this manual. Also included is a glossary listing abbreviations and a brief definition of terminology used in the text.

Purpose

This manual is designed to facilitate the identification of air pollutant emission rates, and the selection of control equipment required to meet local, state, and federal compliance levels. Presented herein are fuel classifications, burning equipment types, emission rate factors, emission measuring techniques, control equipment types, and control methods. Also included are discussions of stack dispersion techniques, and control equipment selection.

Each control equipment chapter provides performance data and equipment limitations which aid in the comparative selection of control equipment types. Each chapter includes a discussion of the basic control theory, various equipment types, collection efficiency, pressure drop, operating requirements and limitations, application, materials of construction, and advantages and disadvantages in relation to other type control equipment.