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Detroit (DWSD) Incineration of Sewage Sludge

August 1, 2014

What did you flush down the toilet today,
or wash down your driveway this week ?
Chemicals, metal particles off car, and human waste, right ?
Now multiply that by about 5 million people and include
all the industrial/manufacturing/production sites in town.

Incineration of “sewage sludge” aka biosolids,
is quite the continual complex balancing act,
involving numerous mechanical mechanisms,
and of course – attentive human operators.

The EPA has some guidelines to aid the operators of incinerators
Chapter 4 – Guide to Part 503 Rule
http://water.epa.gov/scitech/wastetech/biosolids/upload/2002_06_28_mtb_biosolids_503pe_503pe_4.pdf

EPA BUFFER requirements – restrictions on public access to biosolids.
– Exceptional quality (Class A) biosolids used in small quantities
have no buffer requirements or site access restrictions.
– Exceptional quality biosolids is the name given to treated residuals
that contain low levels of metals.
When used in bulk, Class A biosolids are subject to buffer requirements.
There are buffer restrictions for virtually all forms of Class B biosolids

~~~~~~~~~ click to enlarge any of the pics below ~~~~~~

Sewage Sludge Components

Sewage Sludge Components


Incinerator Pollutant Factors

Incinerator Pollutant Factors


Pollutant Limits Incineration

Pollutant Limits Incineration


Incineration Air Pollution Devices

Incineration Air Pollution Devices


Monitoring Frequency of Incineration

Monitoring Frequency of Incineration


Continuous Monitoring of Incineration

Continuous Monitoring of Incineration


Incineration Temperatures and Operation

Incineration Temperatures and Operation


RecordKeeping Requirements Incineration

RecordKeeping Requirements Incineration

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