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67 soil samples from the road greenbelts, the paddy/vegetable fields, the parks, the commercial and residential areas in the subtropical city, Guangzhou, China, were collected and analyzed for 11 organophosphate esters (OPEs) and triphenylphosphine oxide (TPPO). OPEs were detected in all soil samples analyzed, which indicate that OPEs are ubiquitous environmental contaminants. The ∑11OPEs concentrations...
The granulation of activated sludge was investigated using two parallel sequencing batch reactors (SBRs) operated in biological nitrogen and phosphorus removal conditions though the reactor configuration and operating parameters did not favor the granulation. Granules were not observed when the SBR was operated in biological nitrogen removal period for 30d. However, aerobic granules were formed naturally...
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