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本文通过理论分析,得到了利用反应热提高苯酐收率的方法。现场测试验证了该方法的可行性。应用实践表明,该法可使苯酐的平均收率提高3～5％。
In this paper, by theoretical analysis, the method of using the heat of reaction to improve the yield of phthalic anhydride was obtained. The field test verified the feasibility of the method. Application practice shows that the method can make the average yield of phthalic anhydride increased by 3 to 5%.