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Back to Signature Projects
Picture
Client:
Manistee Salt Works Development

Corporation

Location:
Manistee, MI

Prime Consultant:
NTH Consultants, Ltd.


NTH Project Budget:
$84,000


Manistee Salt Works Development Corporation
Air Quality Services

NTH developed an air permit application for a 425 MW pulverized coal plant in
Manistee, MI for the Tondu Corporation. The power plant would generate electricity
for distribution to the electric power grid system. The proposed power plant consisted
primarily of a pulverized coal-fired boiler that would generate steam to drive a steam
turbine. Other ancillary equipment consisted of coal receiving, storage and handling;
bottom and fly ash handling and storage; lime receiving, handling and storage;
ammonia receiving and storage; material from the flue gas desulfurization process;
auxiliary steam boiler; emergency natural gas-fired generator; and emergency natural
gas-fired fire pump.

Project Approach
The new electrical generating station would have been subject to the federal PSD
regulations, due to its potential emissions being greater than the major source
thresholds as defined in the PSD regulations. NTH analyzed the various BACT
determinations, and proposed BACT for those new source review pollutants that were
subject to BACT. NTH prepared a project description, discussion of the major project
equipment, operating scenarios, fuel types, proposed emission controls, process
description and flow diagram, proposed emission rates, and exhaust stack
parameters.

The new plant would also be impacted by federal MACT and NSPS regulations, and
NTH performed analyses of these for the company. Furthermore, extensive mercury
control and impacts were addressed based on the MDEQ– AQD’s rules for toxic air
contaminants. NTH performed initial deposition modeling to determine the net loading
of mercury to the Manistee Lake watershed.

Ultimately, the developer withdrew the permit application after the local municipality
denied the required Special Use Permit.