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针对重庆市某工业废弃地Cr(Ⅵ)污染土壤，分别采用不同浓度草酸、柠檬酸、乙酸组合二乙基三胺五乙酸(DTPA)对其进行淋洗处理，结合XRD和SEM-EDS电镜扫描分析，探究组合淋洗剂对土壤Cr(Ⅵ)残留量和淋洗机理的影响。结果表明：有机酸单一淋洗优劣顺序为草酸>柠檬酸>乙酸(P<0.05)，DTPA在5 g·L−1时达到最大淋洗量；组合淋洗顺序对Cr(Ⅵ)去除率具有显著影响(P<0.05...
Effects of EDTA and DTPA on Lead and Zinc Accumulation of Ryegrass
EDTA DTPA Enrichment Plant Ryegrass Lead and Zinc
2013/3/12
The tailing ponds of lead-zinc mines are artificial environment pollution sources, and also important dangerous sources of heavy metal contamination in lead-zinc mining areas. To study the effects of ...