Online Total Organic Carbon (TOC) Analyzers for
Industrial Wastewater: A Performance Evaluation
PER11TOC-IND
This test reports presents results of five online total organic carbon analyzers
field-tested at an industrial wastewater treatment plant over a period of three
months utilizing various technologies.
Gulf Coast Waste Disposal Authority
(GCWDA), Bayport Industrial Wastewater Treatment Plant in Pasadena, Texas
sponsored and conducted this test. The GCWDA Bayport facility treats
approximately 30 mgd of industrial waste received from approximately 65
customers (primarily petrochemical).
Field tests consisted of operating online TOC analyzers at the influent of the
Bayport facility in which TOC concentrations can range from 490 to 1020 mg/L
with an average of 870 mg/L. GCWDA conducts approximately 102
TOC analyses in their laboratory per day at their Bayport treatment facility and
use TOC measurements for process control and billing purposes. GCWDA plans to
use online TOC analyzers for process control, detecting influent slug loads
from industries and to potentially use online TOC analyzers to detect and
monitor volatiles of the incoming stream.
Field tests were conducted for a
period of 4 monrtha and used laboratory conformance measurements once per day to
compare with analyzer output to demonstrate the instrument's overall accuracy
when subjected to many simultaneously changing parameters as experienced in
real-time monitoring conditions. Field test results can provide information
regarding instrument design, operation and maintenance requirements which
influence the performance of the instruments in field applications.
This field test report includes evaluations of the following online TOC
analyzers listed by technologies:
High Temperature Combustion (HTC)
Liquid Analytical Resource (LAR) QuickTOC
High Temperature Catalytic/Combustion Oxidation (HTCO)
Endress+Hauser CA72TOC-B1A1B2
Shimadzu TOC-4110
Supercritical Water Oxidation (SCWO)
GE Analytical Instruments Sievers InnovOx OL
Two-Stage Advanced Oxidation (TSAO)
HACH BioTector B7000
295 pages
20 MB
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