Ab. Halim, Mohd. Hakim and Anuar, Aznah Nor and Azmi, Siti Izaidah and Jamal, Nur Syahida Abdul and Wahab, Norhaliza Abdul and Ujang, Zaini and Shraim, Amjad and Bob, Mustafa M. (2015) Aerobic sludge granulation at high temperatures for domestic wastewater treatment. Bioresource Technology, 185 . pp. 445-449. ISSN 0960-8524
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Official URL: http://dx.doi.org/10.1016/j.biortech.2015.03.024
Abstract
With inoculum sludge from a conventional activated sludge wastewater treatment plant, three sequencing batch reactors (SBRs) fed with synthetic wastewater were operated at different high temperatures (30, 40 and 50±1°C) to study the formation of aerobic granular sludge (AGS) for simultaneous organics and nutrients removal with a complete cycle time of 3h. The AGS were successfully cultivated with influent loading rate of 1.6CODg(Ld)(-1). The COD/N ratio of the influent wastewater was 8. The results revealed that granules developed at 50°C have the highest average diameter, (3.36mm) with 98.17%, 94.45% and 72.46% removal efficiency observed in the system for COD, ammonia and phosphate, respectively. This study also demonstrated the capabilities of AGS formation at high temperatures which is suitable to be applied for hot climate conditions.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | start-up, wastewater treatment |
| Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
| Divisions: | Civil Engineering |
| ID Code: | 57712 |
| Deposited By: | Haliza Zainal |
| Deposited On: | 04 Dec 2016 04:07 |
| Last Modified: | 01 Feb 2017 00:51 |
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