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水果套袋添烦恼 根治之策如何寻

2017-09-07 06:11:54   中国青年网

随着水果套袋技术的普及,“消化”大量废旧套袋成为新难题

□李青依 本报记者 郭静雯

治标

●政府对柠檬废旧套袋回收处理企业进行补助

●建立柠檬废旧套袋禁烧和综合利用举报制度及巡查制度

治本

●通过提高不需要套袋的青柠檬消费比例,引进脱绿新工艺和设备,实现贮藏脱绿等手段,减少废旧套袋的产生

近日,资阳市安岳县接到中央第五环境保护督察组移交的一封信访件,来信举报称:每年9月至次年1月柠檬集中采摘期间,安岳县上万吨废弃的柠檬套袋多就地焚烧,污染空气。接到信访件后,资阳市及安岳县相关单位立即前往龙台镇等乡镇进行调查。调查发现,安岳每年套袋使用量在8000吨至1万吨,尽管大多数套袋已回收,但仍有一部分套袋被露天焚烧。

实际上,处置套袋不是安岳一地的苦恼。近年来,随着水果产业的发展、水果套袋技术的普及,这些套袋成了新的污染源。如何处置才能避免面源污染和套袋焚烧造成的大气污染,成为多地都亟待解决的问题。

调查每年万吨套袋需回收 少数套袋被露天焚烧

柠檬产业是安岳的支柱性产业。“套袋技术可以使柠檬品相更好,每斤增值1元多,被广泛运用。”安岳县柠檬产业局局长田再泽介绍,安岳柠檬套袋率为65%左右,每年使用套袋量在8000吨至1万吨。

但套袋就地焚烧或填埋,会造成空气和面源污染。意识到这一问题后,2014年底,安岳县开始探索引导、鼓励企业集中回收处理。兴益环境卫生有限公司成为“第一个吃螃蟹的人”。

近日,资阳市城市行政执法局牵头多部门调查了解到,2016年至今,安岳县规模种植及成片种植的散户使用套袋多数被兴益公司回收,占全县套袋比例的近八成。这些套袋回收之后被运至火力发电厂焚烧发电。另有约7%的套袋被农户重复利用,约3%的套袋作为垃圾送至垃圾处理场填埋。

但是,由于部分农户对柠檬废旧套袋回收处理的意识不够,加上兴益公司回收处理能力也未全覆盖偏远乡镇的零星散户,仍有约10%的套袋作为农户的生活燃料在室内焚烧,少数在露天焚烧。

难点套袋回收利用成本倒挂 企业亏本运行

如何提高企业对套袋的回收率,是套袋水果种植地区面临的共性问题,影响这一问题的关键在于成本管控。

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