Control of pH using mineral acid (sulphuric acid) and carbon dioxide.

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Control of pH using mineral acid (sulphuric acid) and carbon dioxide.
During the years I have done a lot of work with drainage water from construction sites. If cement is used the pH in the drainage water can be very high and needs to be adjusted before discharging it from site. In this video you see the dosing systems and what you need to think about in order to get it right.

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http://www.youtube.com/embed/iO3EbIIopH8

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