As caustic solution prewashing of FCC gasoline discharges lots of lye, it is nec essary to improve the process.
用苛性对汽油进行
洗时易产生大量废
,为彻底消除废
提出了用固体
处理代替苛性
洗的方法。
PVC, Teflon and fluorion diaphragm were found to be better than glass as materials of diaphragm cell for their advantages in corrosion resistance as well as less electric resistance.
以聚氯乙烯、聚四氟乙烯和全氟离子隔膜为材料的套管式隔膜电解槽具有隔膜亲水性强、电小、耐
腐蚀、耐高铁酸盐氧化等优点,与平板式隔膜电解槽采用的普通玻璃和高硼硅玻璃相比是更加理想的电化学合成高铁酸盐的电解槽及隔膜材料。
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'Mad? Not She, Child; She is only wicked. She is a Gypsy, a sort of Vagabond, whose sole occupation is to run about the country telling lyes, and pilfering from those who come by their money honestly. Out upon such Vermin!
'疯狂的?不是她,孩子;她只是坏人。她是个吉普赛人,
种流浪汉,唯
的职业
是在乡下跑来跑去说碱液,并从那些诚实地来钱的人那里偷东西。对付这样的害虫!