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Planted Drying Beds

303 bytes added, 23:25, 24 February 2021

→‎References and external links

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This technology has the benefit of dewatering and stabilizing the sludge. Also, the roots of the plants create pathways through the thickening sludge that allow water to easily escape. The appearance of the bed is similar to a [[Vertical Flow Constructed Wetland |Vertical Flow Constructed Wetland]] (T.9). The beds are filled with sand and gravel to support the vegetation. Instead of effluent, sludge is applied to the surface and the filtrate flows down through the subsurface where it is collected in drains.

===Design Considerations===

===References and external links===

* Crites, R. and Tchobanoglous, G. (1998). Small and Decentralized Wastewater Management Systems. WCB/McGraw- Hill, New York, US.(Book)

* Heinss, U. and Koottatep, T. (1998). [https://ocw.un-ihe.org/pluginfile.php/4081/mod_resource/content/1/HEINSS%20and%20KOOTTATEP%201998%20Use%20of%20Reed%20Beds%20for%20FS%20Dewatering.pdf Use of Reed Beds for Faecal Sludge Dewatering. A Synopsis of Reviewed Literature and Interim Results of Pilot Investigations with Septage Treatment in Bangkok, Thailand]. Eawag (Department Sandec), Dübendorf, CH and AIT, Bangkok, TH.:Available at: [http://www.sandec.ch sandec.ch]

* Kengne Noumsi, I. M. (2008). Potentials of Sludge Drying Beds Vegetated with Cyperus papyrus L. and Echinochloa pyramidalis (Lam.) Hitchc. & Chase for Faecal Sludge Treatment in Tropical Regions [PhD dissertation]. University of Yaounde, Yaounde, CM.

:Available at: [http://www.north-south.unibe.ch north-south.unibe.ch]

* Koottatep, T., Surinkul, N., Polprasert, C., Kamal, A. S. M., Koné, D., Montangero, A., Heinss, U. and Strauss, M. (2005). [https://www.eawag.ch/fileadmin/Domain1/Abteilungen/sandec/publikationen/EWM/Project_reports/CW_7yearresults_AIT.pdf Treatment of Septage in Constructed Wetlands in Tropical Climate – Lessons Learnt after Seven Years of Operation]. Water Science & Technology 51 (9): 119-126.:Available at: [http://www.sandec.ch sandec.ch]

* Strande, L., Ronteltap, M. and Brdjanovic, D. (Eds.) (2014). [https://www.susana.org/en/knowledge-hub/resources-and-publications/library/details/3591 Faecal Sludge Management. Systems Approach for Implementation and Operation]. IWA Publishing, London, UK. (Detailed book compiling the current state of knowledge on all aspects related to FSM):Available at: [http://www.sandec.ch sandec.ch]

* Tchobanoglous, G., Burton, F. L. and Stensel, H. D. (2004). Wastewater Engineering: Treatment and Reuse, Metcalf & Eddy, 4th Ed. (Internat. Ed.). McGraw-Hill, New York, US. p. 1578.(Book)

===Acknowledgements===

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