相关实验视频

Updated: Jun 6, 2025

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent

Two-way Valorization of Blast Furnace Slag: Synthesis of Precipitated Calcium Carbonate and Zeolitic Heavy Metal Adsorbent

Published on: February 21, 2017

从城市固体废物焚烧底灰中出和多基物质 (PFAS),目的是将其作为二次聚合物用于道路底层

Jiri Hyks¹, Michal Šyc², Ekaterina Korotenko²

¹Danish Waste Solutions ApS, Agern Allé 3, DK-2970 Hørsholm, Denmark.

Journal of hazardous materials

|November 27, 2024

概括

来自废物焚烧底灰 (MIBA) 的矿物质分量含有和多醇基物质 (PFAS). 泄漏测试估计了MIBA在道路建设中使用时的潜在环境影响,为风险评估提供了关键数据.

科学领域:

环境化学环境化学
废物管理废物管理
地质化学地质化学

背景情况:

来自废物焚烧底灰 (MIBA) 的矿物分量是一种潜在的二次材料.
有关从这些材料中释放到环境中的和多基物质 (PFAS) 存在担忧.
了解PFAS漏对于评估MIBA利用的环境安全至关重要.

研究的目的:

量化废物焚烧底灰 (MIBA) 中的矿物分量中的基和多基物质 (PFAS).
通过批量漏试验,评估来自MIBA的PFAS的漏行为.
为了估计在道路建设中使用的MIBA产生的PFAS的潜在环境排放.

主要方法:

在固态MIBA样本中分析59个per-和多基物质 (PFAS).
在液体/固体比率为2L/kg的情况下进行批量漏试验.
为了估计排放量,将漏的PFAS标准化为PFOA等价物 (PFOA-eq).

主要成果:

固体阶段的PFAS含量 (Σ59PFAS(S)) 从0.21 ± 0.03到21.6 ± 1.47μg/kg DM.
漏的PFAS数量 (Σ59PFAS(L)) 从204 ± 63到3250 ± 77 ng/kg DM.
根据MIBA的来源,估计的散装漏排放量差异很大,捷克MIBA显示了最高的潜在排放量.

结论:

MIBA含有可测量的PFAS含量,在不同来源的不同度.
泄漏试验为估计道路建设中MIBA利用的环境排放提供了基础.
本研究提供了MIBA使用超出垃圾填埋的环境影响的初步评估,突出了进一步研究的必要性.

关键词:

下面的灰就是下面的灰.循环性是一种循环性.排放量排放量排放量排放量泄漏泄漏是一种泄漏.在PFAS中,有很多方法.使用利用利用利用利用利用利用利用利用

更多相关视频

Identifying Per- and Polyfluorinated Chemical Species with a Combined Targeted and Non-Targeted-Screening High-Resolution Mass Spectrometry Workflow

Identifying Per- and Polyfluorinated Chemical Species with a Combined Targeted and Non-Targeted-Screening High-Resolution Mass Spectrometry Workflow

Published on: April 18, 2019

Investigating Long-Distance Transport of Perfluoroalkyl Acids in Wheat via a Split-Root Exposure Technique

Investigating Long-Distance Transport of Perfluoroalkyl Acids in Wheat via a Split-Root Exposure Technique

Published on: September 28, 2022

相关概念视频

Deleterious Substances in Aggregate

Deleterious Substances in Aggregate

Deleterious substances in aggregates can be detrimental to the quality and durability of concrete. These substances include organic impurities like loam, which interfere with cement hydration and are usually present in the sand. These prevent a good bond between aggregate and cement paste. Organic impurities can be detected using the colorimetric test, where the darkness of a solution after agitation indicates the level of organic content.
Another type of impurity is clay and fine material that...

Sample Preparation for Analysis: Advanced Techniques

Sample Preparation for Analysis: Advanced Techniques

Accurate analysis of complex samples often requires advanced preparation techniques to achieve reliable and reproducible results. Samples containing inorganic or organic materials can be challenging to dissolve or decompose effectively. Standard sample preparation methods include acid digestion, fusion, dry ashing, and wet digestion.
Acid digestion with strong acids is commonly used to dissolve inorganic materials that are insoluble (do not dissolve) in water. This method can be useful for...