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隔膜法和离子膜法烧碱生产中氯氢处理扩改及并轨工艺 总被引:1,自引:0,他引:1
介绍了湖北沙隆达股份有限公司13万t/a氯气处理、氢气处理工序的扩改工艺。给出9万t/a隔膜法与4万t/a离子膜法烧碱装置的氯氢处理工序的并轨方案及实施办法。扩改过程中,在氯气系统配置了4个安全水封,在氢气系统配置了2个安全水封,起到了保证安全生产、保护电解槽的作用。 相似文献
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Electrolysis of saturated NaCl solution was carried out in laboratory cells to investigate mass transfer through the deposited asbestos diaphragm under operating conditions similar to those of practical cells. It was found that hydrogen bubbles generated on the cathode screen penetrated into the asbestos mat, and significantly disturbed the brine flow. 相似文献
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The mass transfer profile (permeability, diffusion, and solubility coefficients) of chlorine dioxide (ClO2), a strong oxidizing agent that is used in food and pharmaceutical packaging, was determined through various common polymeric packaging materials. A continuous system for measuring permeation of ClO2, using an electrochemical detector, was developed. It was observed that biaxially‐oriented poly(propylene), poly(ethylene terephthalate), poly(lactic acid), nylon, and a multilayer structure of ethylene vinyl acetate and ethylene vinyl alcohol were better barriers for gaseous ClO2, as compared to polyethylene, poly(vinyl chloride), and polystyrene. The activation energies of permeation for ClO2 through poly(ethylene terephthalate) and poly(lactic acid) were determined to be 51.05 ± 4.35 and 129.03 ± 2.82 kJ/mol, respectively. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, , 2009 相似文献
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介绍了隔膜碱系统初开车过程中,因氯气透平压缩机自身保护所引起的氯气系统不能形成有效负压,造成电解以及事故塔可能跑氯,并提出解决方法。 相似文献
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我国氯碱需求现状和前景预测 总被引:6,自引:1,他引:6
考察了我国各种氯产品和烧碱应用领域的现状,对2005年我国电解氯需求总量、烧碱内需量、副产盐酸量等作了预测。并提出了加大引进PVC中间体的力度以维持烧碱市场稳定及保持氯碱生产规模稳定等建议。 相似文献
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