High Efficiency Aluminum Coagulant Recovery from Drinking Water Treatment Plant Sludge by Using Ultrasound Assisted Acidification
2013 ◽
Vol 777
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pp. 60-64
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Keyword(s):
In this study, a novel combination of ultrasound with acid for coagulant recovery from drinking water treatment plant sludge (DWTPS) is investigated in view of improving the coagulant recovery efficiencies. Optimal recovery conditions, a sulfuric acid concentration of 2.0 M, an ultrasonic treatment time of 30 minutes, an ultrasound power of 1000 W and stirring speed of 1000 rpm, have been found in the lab test. The aluminum recovery rates from acidification process with assistance of ultrasound increased by approximately 20% compared with that of acidification only. It was found that the synergistic effects between acid with ultrasound contribute to improving the treatment efficiency.
2019 ◽
Vol 14
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pp. 100312
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Synthesis and characterization of drinking water treatment plant sludge-incorporated Portland cement
2017 ◽
Vol 20
(2)
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pp. 891-901
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2007 ◽
2004 ◽
Vol 329
(1-3)
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pp. 99-113
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2018 ◽
Vol 24
(4)
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pp. 1127-1137
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