漫话融雪剂

严冬除雪是我国北方城市面临的艰巨任务,积雪不及时清除,会给城市交通等带来诸多问题。2002年冬,北京采用融雪剂代替传统喷洒盐水(食盐水)方法除雪,但在2003年春天,北京市一些街道却发生了大批树木死亡现象。初步统计直接损失人民币几百万元。本文拟介绍融雪剂的主要化学组成,并讨论使用融雪剂提高融雪速度的原理,分析树木死亡的原因,并提出一些建议。

A Discussion on Melting Snow Reagent

Removing snow in severe winter is a hard task in northern cities of our country. Havingnot been cleaned out of the snow on time, the snow will bring about many problems to traffic and so in cities. In winter 2002, a melting snow reagent was used for removing snow instead of traditional brine. In spring of 2003, a great number of trees died on some streets in Beijing. According to a preliminary statistic, the direct lose was millions of china yuan. This paper introduces the main chemical components of the melting snow reagent and discusses the principles of improving the effect of melting snow. It also analyzes why those trees died and offer some advices for use of melting snow reagent.