A comprehensive study on the biological treatabilities of phenol and methanol—III Treatment system design

The design method for CSTR (continuous-stirred-tank-reactor) systems was briefly reviewed, and numerical methods and batch kinetic diagrams were developed for the batch treatment system design. Batch systems require less aeration time to achieve a certain effluent quality than CSTR systems. The rela...

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Bibliographic Details
Published in:Water research (Oxford) 1981, Vol.15 (11), p.1249-1257
Main Authors: Kim, Jung Wk, Armstrong, Neal E.
Format: Article
Language:English
Subjects:
aeration
CSTR (Continuous Stirred Tank Reactor)
effluents
fluid mechanics
process development
statistical analysis
suspended solids
wastewater treatment
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Summary:The design method for CSTR (continuous-stirred-tank-reactor) systems was briefly reviewed, and numerical methods and batch kinetic diagrams were developed for the batch treatment system design. Batch systems require less aeration time to achieve a certain effluent quality than CSTR systems. The relative efficiency of CSTR (the ratio of aeration time in batch systems to that in CSTR systems to achieve a given effluent quality) is dependent mainly on the influent to effluent quality ratio. The relative efficiency of CSTR decreases as the influent to effluent quality ratio increases: if an effluent quality of 5 mg l −1 TOC of phenol is required with 3000 mg l −1 of initial VSS (volatile suspended solids) available, the efficiency is 0.7 for 10 mg l −1 influent, 0.27 for 50 mg l −1 influent, and 0.05 for 500 mg l −1 influent.
ISSN:0043-1354
1879-2448
DOI:10.1016/0043-1354(81)90101-9