International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Since Year 2012 | Open Access | Double Blind Reviewed

ISSN: 2319-7064




Downloads: 150

Research Paper | Civil Engineering | India | Volume 3 Issue 10, October 2014


Improved Rapid Sand Filter for Performance Enhancement

Ranjeet Sabale | Sahil Mujawar


Abstract: Filtration is process in which water is purified by passing through sand media. In India rapid sand filters are used conventionally for filtration. Sand media having characteristics as effective size (E. S.0.35-0.60mm), uniformity coefficient (U. C. - 1.3-1.7), specific gravity- 2.67, limiting head loss- 1.8-3.0m, depth of sand- 60cm, depth of gravel support-40 cm, etc. The advantages of rapid sand filter are easy operation, less space requirement, more filtration rate, more output and easy backwashing. Along with some advantages there are some drawbacks in rapid sand filter. Due to improper backwashing mud ball formation is a major problem shown in filter media. At the time of backwashing process stratification of sand media takes place. Sand grains having small size come at top layer. It reduces porosity at top layer which results in maximum removal at top layer. Thereforeheadloss increases in shorter run time which affects filtration process. To overcome these problems researchers have tried for capping of rapid sand filter. Capping is process in which upper sand bed layer of few cm is replaced with capping material. Some materials suitable for capping are anthracite coal, PVC granules, Polypropylene bids, and bituminous coal etc. In the present work conventional rapid sand filter and capped rapid sand filter are compared.


Keywords: Rapid sand filtration, capping of filters, PVC granules


Edition: Volume 3 Issue 10, October 2014,


Pages: 1031 - 1033


How to Cite this Article?

Ranjeet Sabale, Sahil Mujawar, "Improved Rapid Sand Filter for Performance Enhancement", International Journal of Science and Research (IJSR), Volume 3 Issue 10, October 2014, pp. 1031-1033, https://www.ijsr.net/get_abstract.php?paper_id=OCT14416

How to Share this Article?

Enter Your Email Address




Similar Articles with Keyword 'Rapid'

Downloads: 71

Research Paper, Civil Engineering, India, Volume 9 Issue 11, November 2020

Pages: 526 - 529

Rapid Pace Construction Using Prefabrication

Ar. Gaurav Nidariya | Ar. Sachin Paliwal

Share this Article

Downloads: 93

Review Papers, Civil Engineering, India, Volume 4 Issue 3, March 2015

Pages: 596 - 601

Light Rail Transit - Todays Need for Developing Cities in India

Dhruv Sanghvi | H. R. Varia

Share this Article


Top