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A sewage biological purification system
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Liquids biological oxygenation plant preventing formation of aerosols
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Apparatus and process for the treatment of liquid wastes
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Gas dissolution in natural and synthetic basins
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Apparatus and process for purifying polluted water contained in natural or artificial pools by direct injection of oxygen
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Water purificn. by oxygen injection - recycles undissolved oxygen from collecting dome through coalescence filter and catalytic combustion
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Water purificn. by oxygen injection - recycles undissolved oxygen from collecting dome through coalescence filter and catalytic combustion
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