Novel dual media combination for drinking water treatment

Mikol, A; Fitzpatrick, Csb; Chipps, Michael; Steele, ME; Bayley, R.

doi:10.2166/ws.2007.148

Cited by 2 publications

(1 citation statement)

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“…Mikol et al [48] performed the same comparison with similar results for roughing filters, which are used before slow sand filters or membranes. In addition, the backwashing of the configurations was investigated, with the conclusion that no major changes in the process would be required [48].…”

Section: Expanded Aluminosilicate-filtralitementioning

confidence: 90%

Filtration Process and Alternative Filter Media Material in Water Treatment

Cescon

Jiang

2020

Water

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In drinking water treatment, filtration plays an important role in the multi-barrier approach employed for the removal of pathogens. The presence of suspended solids and other particulate matter in water increases the resistance of most microbes to disinfection. Therefore, high performance in the removal of particles achieved by granular filtration can increase the disinfection efficiency. Although sand is one of the major filter media, alternative media have been developed and used in recent years. In this review, the performance of alternative media is compared with traditional sand/anthracite for drinking water treatment. Advantages in the use of alternative media, especially glass media, have been found, including high filtration performance in removing residual particles and turbidity, minor modification requirements to the existing filtration configuration and slow head loss development. However, before the employment of them in industry, additional tests are recommended. In particular, full scale tests with variations in the operating conditions and analyses of pathogen removal should be performed. Moreover, this paper reviews the filtration processes and operating configurations which provide overall references to those who are studying and working in the field of water technology and treatment. In this paper, legislations/standards of safe drinking water are summarized as they are the driving force of developing new treatment technologies; mathematical modules for predicting the media filtration performance are briefed. Finally, future work on the application of alternative filter media is recommended.

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Section: Expanded Aluminosilicate-filtralitementioning

confidence: 90%

Filtration Process and Alternative Filter Media Material in Water Treatment

Cescon

Jiang

2020

Water

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Assessment of recycled glass and expanded clay in a dual media configuration for drinking water treatment

Cescon

Jiang

Haffey

et al. 2016

Separation Science and Technology

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The aim of this study was to investigate the overall performance of different types of recycled glass media with the optimised coagulation conditions for drinking water treatment. Tests were performed using a laboratory-based filtration unit, with dual filter media configurations and synthetic raw water. The glass media showed comparable performance for both filtration and backwashing and avoided the breakthrough of particles in the effluent. Moreover, the promising performance of the glass media was a slow head loss development which should grant longer filtration runs, less backwashing requirement and thus possible clean water and energy savings.Finally, the optimised combination of filtration media and coagulation operations can lead to the best filtration performance.

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Novel dual media combination for drinking water treatment

Cited by 2 publications

References 0 publications

Filtration Process and Alternative Filter Media Material in Water Treatment

Filtration Process and Alternative Filter Media Material in Water Treatment

Assessment of recycled glass and expanded clay in a dual media configuration for drinking water treatment

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