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【题目】根据材料回答问题。

材料一 煤矸石是煤炭生产过程中形成的固体废物,约占煤炭产量的10%-15%。不仅堆放占地,而且污染水源,还可能自燃引起火灾。但是,煤矸石可用于生产多种建筑材料,还可回收煤炭,与煤混蛲发电等。

材料二 宜宾市筠连县是产煤大县,同时产生大量煤矸石。该县紧紧抓住国家推动战略性新兴产业发展的历史机遇,强力推进煤矸石利用项目建设。简述筠连县强力推进煤矸石项目建设的意义。

【答案】

减少占地,减少了水污染和大气污染,改善环境质量;变废为宝,资源利用更加高效广泛,有利于延长煤炭资源的开采周期; 延长了产业链,增加了附加值;增加就业机会;增加经济收入;带动相关产业发展,优化产业结构,该县生态、经济、社会的可持续发展。

【解析】

试题分析:

根据材料,煤矸石是煤炭生产过程中形成的固体废物,推进煤矸石项目建设,可以减少占地,减少了水污染和大气污染,改善环境质量。将废弃物利用,变废为宝,资源利用更加高效广泛,有利于延长煤炭资源的开采周期。 延长了产业链,增加了附加值。增加就业机会,增加当地经济收入。带动相关产业发展,优化产业结构,该县生态、经济、社会的可持续发展。

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