关于燃煤发电厂的排放的图书统计分析:系统审查和未来前景
Qi Liu1, Jiajia Gao1, Guoliang Li1
1School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing, 100083, China.
Environmental science and pollution research international
|February 21, 2024
概括
燃煤发电厂的排放是一个主要问题. 先进的控制技术和政策显著降低了污染和健康风险,去除率高达96%.
科学领域:
- 环境科学 环境科学
- 化学工程是化学工程的重要组成部分.
- 公共卫生 公共卫生
背景情况:
- 燃煤发电厂 (CFPP) 是重要的 (Hg) 排放来源,受到国际法规的约束,如米纳马塔公约.
- 对CFPPsHg排放的研究已经稳步推进,专注于表征,控制和环境影响.
研究的目的:
- 从2000年到2022年,系统地分析知识结构和研究CFPP产生的气排放的热点.
- 为有效的排放控制策略和环境风险评估提供见解.
主要方法:
- 使用Web of Science和CiteSpace进行文献计量分析,绘制研究趋势和热点.
- 系统的文献审查,以综合有关Hg排放特征,控制技术和环境影响的发现.
主要成果:
- 关键的研究领域包括Hg分类,排放计算,控制技术,污染和健康风险.
- 富含氧气的燃烧和高效的空气污染控制装置 (APCD) 减少Hg0的形成,APCD的去除率为82-93%,修饰吸附剂的去除率为41-100%.
- 燃烧副产品中的风险在脱硫污泥中最高,其次是飞灰和脱硫石膏.
结论:
- 在中国实施污染和碳减排政策,CFPP的气排放量大幅下降 (从2007年到2015年为45%),APCD效率提高 (高达96%).
- 这些措施有效地减少了全球大气中的Hg运输和相关的健康风险.
- 该研究增强了对CFPP Hg排放研究的理解,并提供了未来研究方向.
相关概念视频
02:41Constant Volume Calorimetry
27.1K
Calorimeters are useful to determine the heat released or absorbed by a chemical reaction. Coffee cup calorimeters are designed to operate at constant (atmospheric) pressure and are convenient to measure heat flow (or enthalpy change) accompanying processes that occur in solution at constant pressure. A different type of calorimeter that operates at constant volume, colloquially known as a bomb calorimeter, is used to measure the energy produced by reactions that yield large amounts of heat and...
27.1K
01:29Atomic Emission Spectroscopy: Lab
162
AES is a powerful analytical technique, especially effective when used with plasma sources, producing abundant spectra in characteristic emission lines. The Inductively Coupled Plasma (ICP), in particular, yields superior quantitative analytical data due to its high stability, low noise, low background, and minimal interferences under optimal experimental conditions. However, newer air-operated microwave sources are emerging as promising alternatives that could be more cost-effective than...
162
02:39Emission Spectra
52.7K
When solids, liquids, or condensed gases are heated sufficiently, they radiate some of the excess energy as light. Photons produced in this manner have a range of energies, and thereby produce a continuous spectrum in which an unbroken series of wavelengths is present.
52.7K
01:25Statistical Methods for Analyzing Epidemiological Data
366
Epidemiological data primarily involves information on specific populations' occurrence, distribution, and determinants of health and diseases. This data is crucial for understanding disease patterns and impacts, aiding public health decision-making and disease prevention strategies. The analysis of epidemiological data employs various statistical methods to interpret health-related data effectively. Here are some commonly used methods:
366
01:19Gas Chromatography: Types of Detectors-II
371
In gas chromatography, different detectors are employed to meet specific analytical needs. These detectors are often categorized based on their detection mechanisms and the types of compounds they are best suited to analyze. Thermal Conductivity Detectors (TCD), Flame Ionization Detectors (FID), and Electron Capture Detectors (ECD) represent common categories, each with unique operating principles and applications. However, beyond these, several other detectors are designed for more specialized...
371
01:20Atomic Emission Spectroscopy: Overview
2.2K
Atomic emission spectroscopy (AES) is an analytical technique used to determine the elemental composition of a sample by analyzing the light emitted from excited atoms. In AES, atoms in a sample are excited to higher energy levels by thermal energy from high-temperature sources, such as plasma, arcs, or sparks. When these excited atoms return to lower energy states, they emit light at specific wavelengths characteristic of each element. The resulting atomic emission spectrum, which consists of...
2.2K