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危废档案-HW36 石棉废物

2019-04-27  来源:互联网 阅读量:7

导读:【来源行业】 根据《国家危险废物名录》(2016版),HW36石棉废物来源于石棉及其他非金属矿采选,基础化学原料制造,石膏、水泥
 seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; color: rgb(51, 51, 51);">【来源行业】seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);"> 根据《国家危险废物名录》(2016版),HW36石棉废物来源于石棉及其他非金属矿采选,基础化学原料制造,石膏、水泥制品及类似制品制造,耐火材料制品制造,汽车零部件及配件制造,船舶及相关装置制造等行业。主要包括石棉矿选矿过程中产生的废渣,卤素和卤素化学品生产过程中电解装置拆换产生的含石棉废物,石棉建材生产过程中产生的石棉尘、废石棉等。seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);">
seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);"> 【危险特性】seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);"> 石棉废物的危害来自于其中的纤维,石棉纤维释出后可长时间浮游于空气中。被吸入的石棉纤维可多年积聚在人身体内,并可引致肺癌、间皮瘤、胸膜或腹膜癌、石棉肺等。直径小于3μm,长度与直径之比大于3,纤维测量长度大于5μm的石棉纤维对人体的危害最大。同时废物的堆存造成侵占土地、污染水体,对生态环境造成严重的破坏。据卫生部门的统计研究结果表明,约有10%的石棉矿从业人员及周边地区人员受到此类暴露影响诱发肺癌等严重疾病,而我国受到低剂量暴露及灾后废物中石棉影响的人员数量可能达到数百万,而这种潜在危害可能将造成严重的影响。seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);">
seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);"> 【危废代码】seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);"> 表1 HW36石棉废物seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);">seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51); text-align: center;">seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);">
seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);"> 【处置方式】seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);"> 目前,我国针对石棉废物的处置方式主要有资源化利用和安全填埋处置,以减少其对生态环境和人体健康的危害。资源化利用主要是利用石棉废物生产二氧化硅和氧化镁等产品,其中工艺流程如图1所示。seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51); text-align: center;">seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);">seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51); text-align: center;">图1 酸浸石棉尾矿制取微孔二氧化硅和轻质氧化镁工艺图seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);">seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);"> 【管理规定】seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);"> 根据《中华人民共和国固体废物污染环境防治法》和《危险废物转移联单管理办法》等相关法规,石棉废物必须委托有相应经营类别和经营规模的持有危险废物经营许可证的单位进行回收、利用、处置。seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);">seline; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial; margin: 0px; padding: 0px; list-style: none; color: rgb(51, 51, 51);">我国《工业场所有害因素职业接触限值》(GBZ2-2002)规定,石棉矿山和石棉制品生产企业其生产工作环境内粉尘含量不得超过2mg/m3。

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