Download PDF by Rolf Gimbel, Nigel J. D. Graham, M. Robin Collins: Recent progress in slow sand and alternative biofiltration

Environmental Studies

By Rolf Gimbel, Nigel J. D. Graham, M. Robin Collins

ISBN-10: 1843391201

ISBN-13: 9781843391203

ISBN-10: 978184339X

ISBN-13: 9789781843396

Overview on various biofiltration structures from reviews carried out worldwide. The ebook offers a standpoint at the actual, chemical, organic, and operational elements affecting the functionality of gradual sand filtration (SSF), riverbank filtration (RBF), soil-aquifer remedy (SAT), and organic activated carbon (BAC) approaches. the most issues are: similar overviews of biofiltration systems; Read more...


gradual sand filtration is sometimes stated as being the 1st 'engineered' strategy in drinking-water therapy. This identify presents an review on various biofiltration platforms from studies Read more...

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Extra info for Recent progress in slow sand and alternative biofiltration processes

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Comparing the Chlorine Injection Rates in slow and rapid sand filtration systems, NH4+-N is better removed by slow sand filtration system. This shows that slow sand filtration system has an advantage in inhibiting the chloramine forming reaction, which causes chlorinous odor. REFERENCES 1) 2) 3) Nagoya City Waterworks Bureau (1964) Fifty-year History of the Waterworks, City of Nagoya. Isaji, C. (2008) Estimate of the ammonium nitrogen load and concentration in water resource area region. Kosui, 8, 100-104.

Chorus, I. and Bartel, H. (2002) Removal of microcystins by slow sand filtration. Env. , 17(4), 386-394. C. and Quince, C. (2011) Biological aspects of slow sand filtration: past, present and future. Wat. Sci. : Wat Supply, 11(4), 468-472. D. C. (1991) Particles and microorganisms in slow rate sand filtration. International Slow Sand Filtration Workshop, 27-30, October, Durham, USA. Huisman, L. E. (1974) Slow Sand Filtration, World Health Organisation, Geneva. , Nolte, J. and Grote, M. (2006) Behaviour of selected drugs during slow sand filtration.

Normally, there are no possibilities that NH4+-N is detected in the chlorine-disinfected water. According to the data of Residual Chlorine of the same water samples, disinfectant was injected enough and the water was surely disinfected. Slow Rapid raw w ater ① filtration ② disinfection → → Slow Rapid Slow Rapid filtered w ater filtered w ater (before disinfection) (after disinfection) ① Ammonium Nitrogen in raw w ater is mostly removed in slow sand filtration by its biological activity, but hardly removed in rapid sand filtration.

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Recent progress in slow sand and alternative biofiltration processes by Rolf Gimbel, Nigel J. D. Graham, M. Robin Collins

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