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Calcium hydroxide setting process

The destruction process being used is based on the controlled oxidation of the mustard gas and phenyldichloroarsine with hydrogen peroxide. The reaction is exothermic and cooling is required to maintain the optimum reaction temperature of about 95 C. At the end of the oxidation stage the highly acid product is neutralised by the addition of calcium hydroxide. The neutralised material is then mixed with sand and cement and is poured into a precast concrete cylinder, where it sets to form a solid concrete block. The plant is operated in a batch mode and has a throughput of approximately 250 kg per batch. [Pg.24]

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See also in sourсe #XX -- [ Pg.180 ]



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Calcium hydroxide

SET process

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