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Description: Zebra mussels are invasive to Manitoba and deposit a mass amount of shells when they die, which are inconvenient and a nuisance to beach goers. The composition of the zebra mussel shells was examined to determine if a use could be found to provide an incentive for shell collection and removal. It was determined that Zebra mussel shells contain 87% calcium carbonate by mass. The effectiveness that these shells have as a phosphorous binding agent to remove phosphorous from water was examined. The shells were ground and sieved through a 75 ?m mesh and mixed with phosphate water for 10 minutes at 100 rpm. It was found that the shells had no effect on phosphorous levels in the water. The ground sieved shells were then heated for 13 hours in a 550 ?C oven. It was found that these shells effectively removed significant amounts of phosphorous from stock solution containing 8.93 mg/L of phosphorous. At doses of 2.0 g/L and 2.5 g/L the applied heated ground zebra mussel shells were found to reduce phosphorous by 94.2% (0.522 mg/L) and 95.2% (0.429 mg/L) respectively, at lower pH levels than calcium oxide could achieve. From the preliminary results in this report, more research into the feasibility of using zebra mussel shells as a material to reduce phosphorous in waste water is recommended.

Keywords: Zebra Mussel Shells, Phosphorus, Phosphorus Reduction, Effluent Treatment, Calcium Oxide
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Date: 2017-08-07
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Conference name: CSBE/SCGAB 2017 Annual Conference, Canad Inns Polo Park, Winnipeg, Manitoba, 6-10 August 2017.
Session name: Poster Session

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Type: Text.Article
Format: PDF
Publication type: Technical conference
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Coverage: Canada
Language 1: en
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Rights: Canadian Society for Bioengineering
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