𝔖 Bobbio Scriptorium
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Sludge retention time in the secondary clarifier effects on the growth of Microthrix parvicella

✍ Scribed by Eva Hagland; Åsa Dillner Westlund; Maria Rothman

Book ID
114205703
Publisher
IWA Publishing
Year
1998
Tongue
English
Weight
347 KB
Volume
37
Category
Article
ISSN
1606-9749

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## Abstract The activated sludge process is a core technology in wastewater treatment plants. Excess sludge produced in the process must be treated and disposed of properly and may account for up to 60% of total plant operating cost. Therefore, it is necessary to develop new biological concepts to