WebMar 1, 2012 · The total concentrations of heavy metals in municipal sludges from seven individual Wastewater Treatment Plants (WWTPs) were determined by microwave digestion process; the fractional distribution ... WebApr 1, 2014 · GB4284-84 aiming at concentration control of pollutants for sludge use in agriculture was used as temporary alternative standards to evaluate the feasibility of this anaerobic digestate for land application in view of heavy metals due to the similar moisture content and physicochemical properties between this anaerobic digestate and sludge ...
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WebCN101066793A CNA2007101080520A CN200710108052A CN101066793A CN 101066793 A CN101066793 A CN 101066793A CN A2007101080520 A CNA2007101080520 A CN A2007101080520A CN 200710108052 A CN200710108052 A CN 200710108052A CN 101066793 A CN101066793 A CN 101066793A Authority CN China Prior art keywords … WebOct 12, 2024 · 近日,国家市场监督管理总局 国家标准委正式批准发布《农用污泥污染物控制标准 》( GB 4284-2024),新标准将于2024年6月1日起实施。. 小编特找来标准全 … WebOct 17, 2007 · Table 2 Contents of heavy metals in fly ash and sewage sludge and their standards for land application (GB4284–84 and GB8173–87) (mg kg −1) Full size table Using wastes such as fly ash, poultry, mine tailing and municipal sewage sludge mixtures without nature soil for ecological remediation in mining areas to solve the shortage of soil ... gillian hibbert