One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 28th

2017-06-28View Original

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Multiple-choice question: In the sodium hypochlorite purification process for acetylene production via the calcium carbide method, what are the reasons for explosions occurring in the neutralization tower during alkali discharge? ( ) A. Excessive circulation rate of the NaClO solution. B. Poor quality of calcium carbide, high flow rate, and fast gas velocity. C. Inadequate alkali replacement in the neutralization tower, no tower washing performed, or low circulation rate of the alkaline solution. D. The NaClO solution is acidic with a high effective chlorine content; some of the NaClO decomposes to produce Cl2, resulting in chloroacetylene. Answer: ABCD

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One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； June 28th

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