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Source: R.D. Hoak, 1950, Sewage and Ind. Wastes 22:212.

Notes: aCa(OH)2 waste product. From CaC2 + 2H2O d C2H2+ + Ca(OH)2

bPulverized limestone.

Source: R.D. Hoak, 1950, Sewage and Ind. Wastes 22:212.

Notes: aCa(OH)2 waste product. From CaC2 + 2H2O d C2H2+ + Ca(OH)2

bPulverized limestone.

priate control equipment to protect against freezing during winter. As with lime, neutralization reactions depend on the acid or acids being neutralized as follows:

For the reactions described by Equations 7.39(9), (10), and (11), all products are highly soluble, and unlike lime, at least for high H2SO4 concentrations, precipitate accumulation is not a problem.

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