Case studies of microbubbles in wastewater treatment

Lau Hao Wen; Azhar Bin Ismail; P. M. Menon; Jayaprakash Saththasivam; Kyaw Thu; Ng Kim Choon

doi:10.5004/dwt.2011.1217

Case studies of microbubbles in wastewater treatment

Lau Hao Wen, Azhar Bin Ismail, P. M. Menon, Jayaprakash Saththasivam, Kyaw Thu, Ng Kim Choon

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

In this study, a physical separation method using a flotation system employing microbubbles was designed and tested as an alternative to conventional dissolved air flotation (DAF) systems. The proposed system is an environmentally friendly microbubble treatment using air, ozone, and CO₂ gases and requiring virtually no chemicals. Three case studies have been investigated in this paper which verify the efficacy of microbubbles in treating wastewater, namely, (i) treatment of oily wastewater derived from cleaning the hull of a tanker ship, (ii) treatment of hotel laundry water, and (iii) treatment of fish pond water. After microbubble treatment, the treated water was determined to be suitable for recycling or discharge to the environment. The test results show that both air and ozone microbubble in wastewater treatments achieved large reductions in TSS, BOD and COD in the tested samples.

Original language	English
Pages (from-to)	10-16
Number of pages	7
Journal	Desalination and Water Treatment
Volume	30
Issue number	1-3
DOIs	https://doi.org/10.5004/dwt.2011.1217
Publication status	Published - Jun 2011
Externally published	Yes

All Science Journal Classification (ASJC) codes

Water Science and Technology
Ocean Engineering
Pollution

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10.5004/dwt.2011.1217

Cite this

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AU - Saththasivam, Jayaprakash

AU - Thu, Kyaw

AU - Choon, Ng Kim

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Case studies of microbubbles in wastewater treatment

Abstract

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