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A study was undertaken to measure the efficiency with which carbon dioxide was stripped from freshwater (0‰) and saline water (35‰ NaCl) passing through an air-lift at 15°C. The air-lift was constructed of 50mm (OD) PVC pipe submerged 95cm in a tank, had an adjustable air injection rate, and could be adjusted to three lifting heights: 11, 16 and 25cm. The gas to liquid ratio (G:L) was high (∼1.9–2...
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