effluent concentration Articles
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Effects of pipe materials on biofouling under controlled hydrodynamic conditions
Experiments were carried out to investigate pipe material impacts on biofouling, at high effluent concentration levels and under controlled hydrodynamic conditions. Two velocities (0.4 and 0.8 m s−1) were used to monitor biofilm growth on polyethylene (PE) and polyvinylchloride (PVC) pipe walls, respectively. These conditions were established based on wastewater irrigation practices. A ...
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Modeling the performance of biodegradation of textile wastewater using polyurethane foam sponge cube as a supporting medium
A pilot-scale fixed-biofilm reactor (FBR) was established to treat textile wastewater to evaluate the feasibility of replacing conventional treatment processes that involve activated sludge and coagulation units. A kinetic model was developed to describe the biodegradation of textile wastewater by FBR. Batch kinetic tests were performed to evaluate the biokinetic parameters that are used in the ...
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Modeling trichloroethene reduction in a hydrogen-based biofilm
We constructed a multispecies biofilm model for simultaneous reduction of trichloroethene (TCE) and nitrate (NO3−) in the biofilm of a H2-based membrane biofilm reactor (MBfR). The one-dimensional model includes dual-substrate Monod kinetics for a steady-state biofilm with multiple solid and dissolved components. The model has five solid components: autotrophic denitrifying bacteria ...
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