PAC for Mercury Control

This article discusses powdered activated carbon (PAC) injection for mercury emission control in cement plants to satisfy the National Emission Standards for Hazardous Air Pollutants (NESHAP) requirements – Dr Prasanna Seshadri, PEC Consulting Group LLC, USA

Introduction

During OPC clinker production, the raw feed and fuel undergo physical and chemical transformations that produce intermediate solids, liquids and gases. Some of these species, especially those in gas phase, are classified as hazardous air pollutants (HAPs) due to their detrimental effect on both the environment and human health. …read more