refined naphthalene

In accord with electrostatic formation principle, the electrostatic voltage at every part in refined naphthalene production is tested, and static electricity is eliminated by means of electrostatic eliminating device.

文中根据静电产生机理，测试了精萘生产过程中各部位的静电电压，并通过静电消除装置对静电进行消除。

The purity of refined naphthalene could be more than 99.5 % by said fractional crystallization process.

通过分级结晶提纯过程,可获得纯度达到99.5%以上的精萘产品.

Application of Anti-electrostatic Technology in Refined Naphthalene Production

防静电技术在精萘生产中的应用

In this paper, a comparision was made between distillation and extractive distillation for separation of naphthalene and thionaphthene to produce refined naphthalene.

本文对精馏法和萃取精馏法进行萘与硫茚的分离进行了对比。

The naphthalene content of refined naphthalene obtained is above 99%, which meets its national standard of commodity. The recovery of naphthalene is above 88%.

实验结果表明，以阴离子表面活性剂形成的乳化液膜结合精馏可有效地将萘油制成精萘，萘含量大于99%，符合国家精萘标准，萘收率大于88%。

Effect of Mordenite Modified by Rare Earths on Isopropylation of Refined Naphthalene

稀土修饰丝光沸石对精萘异丙基化反应的影响