Boiler Environmental Issues - Air Emissions© by Paul Durkin and James McLeish

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Today's social and economic pressures drive boiler owners and operators to achieve better energy efficiency while maintaining or improving emissions. Rapidly evolving environmental regulations in Ontario complicate the task of assessing and implementing appropriate emissions control technologies.

This paper presents a summary of environmental guidelines, rules and regulations presently in Ontario for boilers. Proposed new rules and regulations and those being implemented are also presented. The review focuses on recent and proposed changes which impact boiler owners and operators.

The paper also discusses the various boiler air pollutants and methods to control and minimize those pollutants.