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11.
Mubeen Ishrat Buekens Alfons Chen Zhiliang Lu Shengyong Yan Jianhua 《Environmental science and pollution research international》2017,24(23):19031-19043
Environmental Science and Pollution Research - Municipal solid waste incineration (MSWI) fly ash has been classified as hazardous waste and needs treatment in an environmentally safe manner.... 相似文献
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Baseline soil levels of PCDD/Fs established prior to the construction of municipal solid waste incinerators in China 总被引:1,自引:0,他引:1
In order to determine the baseline contamination by polychlorinated dibenzo-p-dioxins (PCDDs) and polychlorinated dibenzofurans (PCDFs) in different areas in China, prior to the construction of municipal solid waste incinerators (MSWIs), a total of 32 representative soil samples was collected near 16 incinerators and analyzed for their PCDD/F concentrations. The PCDD/F baseline concentrations in the soil samples ranged from 0.32 to 11.4 ng I-TEQ kg−1 (dry matter), with average and median value of 2.73 and 2.24 ng I-TEQ kg−1 (dry matter), respectively, and a span between maximum and minimum recorded value of 36. The PCDD homologues predominated in 26 out of 32 soil samples, with the ratio (PCDDs)/(PCDFs) ranging from 1.1 to 164; however in the other 6 samples, PCDF homologues were larger, with the same ratio varying from 0.04 to 0.8. Principal component analysis (PCA) and hierarchical cluster analysis (HCA) were used to examine PCDD/F amount and profile in these soil samples, and their possible associations with known emission sources: in this process 6 really distinct isomer fingerprints were identified. Background PCDD/F levels and profiles were comparable to those found in soils from China and other countries and indicate a rather low baseline PCDD/F contamination of soils. The present data provide the tools for future assessment of a possible impact of these MSWIs. 相似文献
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Recycling of WEEE plastics: a review 总被引:1,自引:0,他引:1
Electric and electronic equipment (EEE) is swiftly growing in volume, level of sophistication, and diversity. Also, it evolves briskly, moved by innovation and technical change, and draws on numerous and at times rare resources. Waste EEE (WEEE) has evolved into an important societal problem. Recycling and treating WEEE implies occupational as well as environmental hazards that are still incompletely documented. Still, second hand EEE has been exported and treated in Africa, China, and India in a precarious informal context. In developed countries, EEE recycling has been sustained by a wide range of initiatives and motives, such as sustainability, creating jobs, and the value of precious or rare metals. Current EU Directives require a steep reduction of WEEE plastics (WEEP) going to landfill. Mechanical, thermal, and feedstock recycling of WEEP are analysed and some options confronted. Plastics recycling should be weighed against the eventual risks related to their hazardous ingredients, mainly legacy brominated fire retardants and heavy metals. Another paper is related to a somewhat similar problem, yet involving a different mix of plastics: recycling plastics from automotive shredder residue. 相似文献
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Halbert-Howard Aladdin Häfner Franziska Karlowsky Stefan Schwarz Dietmar Krause Ariane 《Environmental science and pollution research international》2021,28(42):59304-59304
Environmental Science and Pollution Research - The average nutrient concentrations values presented in Table 1 on page 4 in the publication have the unit mg L?1 for the mineral nutrients Fe,... 相似文献