[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"news-1000000000000002542":3,"session-user":16,"\u002Fapi\u002Fnews\u002Flist?categoryId=1000000000000000011&orderByColumn=publishTime&isAsc=desc&pageSize=5":17},{"id":4,"articleNo":5,"categoryId":6,"categoryName":7,"title":8,"summary":9,"content":10,"publishTime":11,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":13,"collectCount":14,"updateTime":11,"contentHtml":15},"1000000000000002542","q543","1000000000000000011","固体废物","如何评估煤矸石的污染性","如何评估煤矸石的污染性?","如何评估煤矸石的污染性?\n\n煤矸石的污染性主要是指煤矸石本身含有的重金属等可能造成污染。常用的方法是按照HJ 557—2010《固体废物浸出毒性浸出方法水平振荡法》规定方法获取浸出液，并按照GB 8978—2002《污水综合排放标准》中的方法测定特征污染物种类、浓度等。但由于煤矸石具有一定产酸能力，酸性条件下重金属离子更容易溶出，因此可按照HJ 299—2007《固体废物浸出毒性浸出方法硫酸硝酸法》中规定的方法或采用毒性浸出程序提取煤矸石浸出液，并根据GB 5085.3《危险废物鉴别标准 浸出毒性鉴别》中的规定进行毒性鉴别。考虑到重金属的不同形态在环境中的迁移性和潜在危害性差异较大，可采用三步提取法分析土壤中重金属的形态，并利用风险评估编码法对煤矸石内重金属的潜在生态风险进行评估，确定充填工程的生态风险。","2024-11-24T23:31:23+08:00","N",1321,0,"\u003Cp>如何评估煤矸石的污染性?\u003C\u002Fp>\n\u003Cp>煤矸石的污染性主要是指煤矸石本身含有的重金属等可能造成污染。常用的方法是按照HJ 557—2010《固体废物浸出毒性浸出方法水平振荡法》规定方法获取浸出液，并按照GB 8978—2002《污水综合排放标准》中的方法测定特征污染物种类、浓度等。但由于煤矸石具有一定产酸能力，酸性条件下重金属离子更容易溶出，因此可按照HJ 299—2007《固体废物浸出毒性浸出方法硫酸硝酸法》中规定的方法或采用毒性浸出程序提取煤矸石浸出液，并根据GB 5085.3《危险废物鉴别标准 浸出毒性鉴别》中的规定进行毒性鉴别。考虑到重金属的不同形态在环境中的迁移性和潜在危害性差异较大，可采用三步提取法分析土壤中重金属的形态，并利用风险评估编码法对煤矸石内重金属的潜在生态风险进行评估，确定充填工程的生态风险。\u003C\u002Fp>\n",null,{"items":18,"total":55,"pageNum":56,"pageSize":57},[19,26,33,41,48],{"id":20,"articleNo":21,"categoryId":6,"categoryName":7,"title":22,"summary":23,"publishTime":24,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":25,"collectCount":14,"updateTime":24},"1000000000000002630","q631","关于复合污染的“阻断逻辑”问题","针对‘固废堆体+土壤污染+地下水扩散’这种复合型场地，现在的趋势是‘一体化’，但在资金分配上，通常是调查费低、修复费高。如何说服甲方在早期调查阶段就投入足够的经费去做精细化的三维建模，以避免后期修复方案因为底数不清而频繁变更？","2026-04-28T17:59:31+08:00",53,{"id":27,"articleNo":28,"categoryId":6,"categoryName":7,"title":29,"summary":30,"publishTime":31,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":32,"collectCount":14,"updateTime":31},"1000000000000002629","q630","关于固废属性的“定性焦虑”问题","历史遗留固废堆场最头疼的是‘属性鉴别’。有时候一堆废渣，采样做浸出毒性是一般固废，但总量里可能夹杂着危险废物。在采样时，如何把握‘代表性’？如果后期开挖发现了未识别的危险废物，有没有应急预案或合规的处置路径，避免工地全面停工？","2026-04-28T17:58:36+08:00",61,{"id":34,"articleNo":35,"categoryId":6,"categoryName":7,"title":36,"summary":37,"publishTime":38,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":39,"collectCount":14,"updateTime":40},"1000000000000002628","q629","关于“以废治废”的合规性问题","现在很多项目想搞‘资源化利用’，比如用煤矸石填坑造地。但在跨省转移固废用于生态修复时，经常会遇到接收地环保部门的阻力。在现行‘无废城市’建设的政策框架下，有没有打通跨区域固废协同处置的成熟机制或案例可以参考？","2026-04-28T17:51:45+08:00",54,"2026-04-28T17:59:02+08:00",{"id":42,"articleNo":43,"categoryId":6,"categoryName":7,"title":44,"summary":45,"publishTime":46,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":47,"collectCount":14,"updateTime":46},"1000000000000002622","q623","历史遗留固废堆存场地，往往伴随土壤地下水复合污染，这类场地调查 — 风险评估 — 修复 — 管控一体化实施有哪些成熟经验？？","历史遗留固废堆存场地，往往伴随土壤地下水复合污染，这类场地调查 — 风险评估 — 修复 — 管控一体化实施有哪些成熟经验？","2026-04-21T16:41:19+08:00",71,{"id":49,"articleNo":50,"categoryId":6,"categoryName":7,"title":51,"summary":52,"publishTime":53,"isTop":12,"isHot":12,"isRecommend":12,"viewCount":54,"collectCount":14,"updateTime":53},"1000000000000002578","q579","固体废弃物焚烧过程中“重金属的迁移与归趋”是什么？如何控制其排放？","### 固体废弃物焚烧过程中“重金属的迁移与归趋”是什么？如何控制其排放？","2025-02-21T10:49:54+08:00",835,89,1,5]