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作为食品包装工具之一的一次性快餐盒,如今已变成“白色污染”,成为全球性公害。据报载,我国铁路运输系统一年使用四亿多只泡沫塑料餐盒,而回收率仅百分之十六点六,其余的大多被扔在铁路沿线两侧,形成了“白色污染带”。在某些状况严重的地段,列车驶过,带动左右两条“白龙”上下翻飞,实为触目惊心。为回收并掩埋这些餐盒、塑料袋,铁道部1994年竟花去了一亿元巨资。化学专家指出,这种高分子化合物需要200年至400年才能分解掉。这类塑料制品,丢弃或掩埋在土壤中,都会妨碍农作物生长。据测算每亩土地残留塑盒、碗、膜四公斤,可使玉米减产11%—23%,小麦减产10%—6%,大豆减产6%—10%,蔬菜减产15%—60%。近年来,残留在全国农田里的废盒、碗、膜、塑料袋已
Disposable snack boxes, one of the food packaging tools, have now become “white-colored” and become a global nuisance. According to reports, the rail transport system in our country uses more than 400 million foam lunch boxes a year, while the recovery rate is only 16.6%. The rest are mostly thrown on both sides along the railway line, forming a “white pollution belt” . In some serious conditions, the train passing by, driving around two “White Dragon” flying up and down, it is shocking. In order to recycle and bury these lunch boxes and plastic bags, the Ministry of Railways actually spent a huge sum of 100 million yuan in 1994. Chemical experts pointed out that the polymer compound takes 200 years to 400 years to break down. Such plastic products, discarded or buried in the soil, will hinder the growth of crops. It is estimated that residual plastic boxes, bowls and membranes per mu of land can reduce corn yield by 11% -23%, wheat yield by 10% -6%, soybean yield by 6% -10% and vegetables by 15% -60%. In recent years, residues in the farmland in the waste boxes, bowls, membranes, plastic bags have been