Emission Performance Results for a Liquid Waste Incinerator upgraded to meet the HWC MACT Standards

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Abstract

Eastman Chemical Company operates three hazardous waste incinerators at its facility in Kingsport, Tennessee, one liquid waste incinerator and two rotary kilns. The air pollution control systems for these incinerators are being upgraded to meet the MACT standard for existing hazardous waste incinerators. The upgraded air pollution control systems include a vertical, rapid-quench chamber, multi-rod condenser/absorber, and two wet electrostatic precipitators in series. The former systems consisted of a waste heat boiler, horizontal quench chamber, packed bed scrubber (liquid waste incinerator only), and high-energy venturi scrubber.

The upgrade of the liquid waste incinerator has been recently completed. The unit has undergone startup and emissions testing. The upgraded facility has successfully demonstrated emissions performance in compliance with the MACT standards for particulate matter, hydrogen chloride/chlorine, MACT metals, and dioxins/furans during a series of preliminary performance tests. This paper presents a summary of emission results for these tests.

Introduction

Eastman Chemical Company operates three hazardous waste incinerators at its facility in Kingsport, Tennessee, one liquid waste incinerator and two rotary kiln incinerators. These incinerators are currently operating under RCRA permits and are subject to the HWC MACT rule.

The air pollution control systems (APCS) for these incinerators are being upgraded to reliably meet the MACT emissions standards for existing hazardous waste incinerators. The upgraded air pollution control systems include a vertical, rapid-quench chamber, multi-rod condenser / absorber, and two wet electrostatic precipitators (WESPs) in series.

Eastman obtained agency approval for a Class 11 RCRA permit modification and proceeded with construction of the liquid waste incinerator upgrade in September 1999. This was the first of the three incinerators to be upgraded. The liquid waste incinerator was returned to RCRA service in January of 2000.

A series of stack emissions tests were performed in April through June 2000. During these tests, emissions data were collected to determine system performance with respect to HWC MACT emissions standards. The final test, conducted on June 13, 2000, simulated the likely test conditions for a MACT Comprehensive Performance Test (CPT). The results of the tests demonstrate emissions performance in compliance with the MACT standards for particulate matter, hydrogen chloride/chlorine, MACT metals, and dioxins/furans.

This paper presents a discussion of the upgrade, the design of the emission tests, and the results of the emissions testing.

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