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Greenhouse gas emissions during the COVID-19 pandemic from agriculture in China

《农业科学与工程前沿（英文）》 doi: 10.15302/J-FASE-2024558

摘要：

● Methane led China’s growth in net greenhouse gas emissions over the pandemic.

关键词： Agricultural systems     emission factors     greenhouse gases     soil carbon sequestration    

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GREENHOUSE GAS EMISSIONS FROM LIVESTOCK IN CHINA AND MITIGATION OPTIONS WITHIN THE CONTEXT OF CARBON

《农业科学与工程前沿（英文）》 2023年 第10卷 第2期   页码 226-233 doi: 10.15302/J-FASE-2023486

摘要：

● Livestock is major greenhouse gas source in agriculture in China.

关键词： animal husbandry     emission reduction solutions     feed improvement     greenhouse gases emission     manure management    

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Systematical strategies for wastewater treatment and the generated wastes and greenhouse gases in China

Jingbo GUO, Fang MA, Yuanyuan QU, Ang LI, Liang WANG

《环境科学与工程前沿（英文）》 2012年 第6卷 第2期   页码 271-279 doi: 10.1007/s11783-011-0328-0

摘要： China now faces double challenges of water resources shortage and severe water pollution. To resolve Chinese water pollution problems and reduce its impacts on human health, economic growth and social development, the situation of wastewater treatment was investigated. Excess sludge and greenhouse gases (GHGs) emitted during wastewater treatment were also surveyed. It is concluded that Chinese water pollution problems should be systematically resolved with inclusion of wastewater and the solid waste and GHGs generated during wastewater treatment. Strategies proposed for the wastewater treatment in China herein were also adequate for other countries, especially for the developing countries with similar economic conditions to China.

关键词： wastewater treatment     solid waste     greenhouse gases     systematical strategies    

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SOIL NITROGEN CYCLING AND ENVIRONMENTAL IMPACTS IN THE SUBTROPICAL HILLY REGION OF CHINA: EVIDENCE FROM MEASUREMENTS AND MODELING

《农业科学与工程前沿（英文）》 2022年 第9卷 第3期   页码 407-424 doi: 10.15302/J-FASE-2022448

摘要：

● Soil nitrogen fluxes and influencing factors were reviewed in the subtropical hilly regions.

关键词： nitrogen cycling     soil nitrogen     nitrogen deposition     greenhouse gases emission     non-point source pollution     nitrogen use efficiency    

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Transportation: meeting the dual challenges of achieving energy security and reducing greenhouse gas

Michael Quanlu WANG, Hong HUO

《能源前沿（英文）》 2009年 第3卷 第2期   页码 212-225 doi: 10.1007/s11708-009-0016-y

摘要： As the population and economy continue to grow globally, demand for energy will continue to grow. The transportation sector relies solely on petroleum for its energy supply. The United States and China are the top two oil-importing countries. A major issue both countries face and are addressing is energy insecurity as a result of the demand for liquid fuels. Improvements in the energy efficiency of vehicles and the substitution of petroleum fuels with alternative fuels can help contain growth in the demand for transportation oil. Although most alternative transportation fuels - when applied to advanced vehicle technologies - can substantially reduce greenhouse emissions, coal-based liquid fuels may increase greenhouse gas emissions by twice as much as gasoline. Such technologies as carbon capture and storage may need to be employed to manage the greenhouse gas emissions of coal-based fuels. At present, there is no ideal transportation fuel option to solve problems related to transportation energy and greenhouse gas emissions. To solve these problems, research and development efforts are needed for a variety of transportation fuel options and advanced vehicle technologies.

关键词： transportation energy     energy security     greenhouse gases     alternative fuels     vehicle technologies    

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GREENHOUSE GAS AND AMMONIA EMISSION MITIGATION PRIORITIES FOR UK POLICY TARGETS

《农业科学与工程前沿（英文）》 2023年 第10卷 第2期   页码 268-280 doi: 10.15302/J-FASE-2023495

摘要：

● An expert survey highlighted the most effective strategies for GHG and ammonia mitigation.

关键词： agriculture     ammonia     greenhouse gas     mitigation     net zero    

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Field scale measurement of greenhouse gas emissions from land applied swine manure

Devin L. Maurer, Jacek A. Koziel, Kelsey Bruning

《环境科学与工程前沿（英文）》 2017年 第11卷 第3期 doi: 10.1007/s11783-017-0915-9

摘要： Greenhouse gas emissions (GHGs) from swine production systems are relatively well researched with the exception of emissions from land application of manure. GHGs inventories are needed for process-based modeling and science-based regulations. Thus, the objective of this observational study was to measure GHG fluxes from land application of swine manure on a typical corn field. Assessment of GHG emissions from deep injected land-applied swine manure, fall and reapplication in the spring, on a typical US Midwestern corn-on-corn farm was completed. Static chambers were used for flux measurement along with gas analysis on a GC-FID-ECD. Measured gas concentrations were used to estimate GHGs flux using four different models: linear regression, nonlinear regression, first order linear regression and the revised Hutchinson and Mosier (HMR) model, respectively for comparisons. Cumulative flux estimates after manure application of 5.85 × 10 g·ha (1 ha= 0.01 km ) of CO , 6.60 × 10 g·ha of CH , and 3.48 × 10 g·ha N O for the fall trial and 3.11 × 10 g·ha of CO , 2.95 × 10 g·ha of CH , and 1.47 × 10 g·ha N O after the spring reapplication trial were observed. The N O net cumulative flux represents 0.595% of nitrogen applied in swine manure for the fall trial.

关键词： Climate change     Emissions     Greenhouse gases     Land application     Swine manure    

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Analyzing the energy intensity and greenhouse gas emission of Canadian oil sands crude upgrading through

Anton ALVAREZ-MAJMUTOV,Jinwen CHEN

《化学科学与工程前沿（英文）》 2014年 第8卷 第2期   页码 212-218 doi: 10.1007/s11705-014-1424-z

摘要： This paper presents an evaluation of the energy intensity and related greenhouse gas/CO emissions of integrated oil sands crude upgrading processes. Two major oil sands crude upgrading schemes currently used in Canadian oil sands operations were investigated: coking-based and hydroconversion-based. The analysis, which was based on a robust process model of the entire process, was constructed in Aspen HYSYS and calibrated with representative data. Simulations were conducted for the two upgrading schemes in order to generate a detailed inventory of the required energy and utility inputs: process fuel, steam, hydrogen and power. It was concluded that while hydroconversion-based scheme yields considerably higher amount of synthetic crude oil (SCO) than the coker-based scheme (94 wt-% vs. 76 wt-%), it consumes more energy and is therefore more CO -intensive (413.2 kg CO /m vs. 216.4 kg CO /m ). This substantial difference results from the large amount of hydrogen consumed in the ebullated-bed hydroconverter in the hydroconversion-based scheme, as hydrogen production through conventional methane steam reforming is highly energy-intensive and therefore the major source of CO emission. Further simulations indicated that optimization of hydroconverter operating variables had only a minor effect on the overall CO emission due to the complex trade-off effect between energy inputs.

关键词： Oil sands crude upgrading     hydroconversion     process modeling     greenhouse gas emissions    

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Greenhouse gas emissions from thermal treatment of non-recyclable municipal waste

Tomáš Ferdan, Martin Pavlas, Vlastimír Nevrlý, Radovan Šomplák, Petr Stehlík

《化学科学与工程前沿（英文）》 2018年 第12卷 第4期   页码 815-831 doi: 10.1007/s11705-018-1761-4

摘要：

This paper analyses factors affecting the production of greenhouse gases from the treatment of residual municipal waste. The analysis is conducted so that the environmentally-friendly decision-making criteria may be later implemented into an optimisation task, which allocates waste treatment capacities. A simplified method of life cycle assessment is applied to describe environmental impact of the allocation. Global warming potential (GWP) is employed as a unit to quantify greenhouse gases (GHG) emissions. The objective is to identify the environmental burdens and credits measured by GWP for the three fundamental methods for treatment of residual waste unsuitable for material recovery. The three methods are waste-to-energy (WTE), landfilling and mechanical-biological treatment (MBT) with subsequent utilization of refuse-derived fuel. The composition of the waste itself and content of fossil-derived carbon and biogenic carbon are important parameters to identify amounts of GHG. In case of WTE, subsequent use of the energy, e.g., in district heating systems in case of heat, is another important parameter to be considered. GWP function dependant on WTE capacity is introduced. The conclusion of this paper provides an assessment of the potential benefits of the results in optimisation tasks for the planning of overall strategy in waste management.

关键词： waste management     greenhouse gases     global warming potential     allocation planning     waste-to-energy    

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Pathways toward a pollution-free planet and challenges

《环境科学与工程前沿（英文）》 2024年 第18卷 第6期 doi: 10.1007/s11783-024-1827-0

摘要：

● Zero pollution does not mean no discharge of pollutants.

关键词： Wastewater treatment     Resources     Recovery     Greenhouse gases     Energy     Pollution-free    

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Accounting greenhouse gas emissions of food consumption between urban and rural residents in China: a

《能源前沿（英文）》 2022年 第16卷 第2期   页码 357-374 doi: 10.1007/s11708-021-0763-y

摘要： Food consumption is necessary for human survival. On a global scale, the greenhouse gas (GHG) emission related to food consumption accounts for 19%–29% of the total GHG emission. China has the largest population in the world, which is experiencing a rapid development. Under the background of urbanization and the adjustment of the diet structure of Chinese residents, it is critical to mitigate the overall GHG emission caused by food consumption. This study aims to employ a single-region input-output (SRIO) model and a multi-regional input-output (MRIO) model to measure GHG emission generated from food consumption in China and compare the contributions of different industrial sectors, uncovering the differences between urban and rural residents and among different provinces (autonomous regions/municipalities), as well as identifying the driving forces of GHG emission from food consumption at a national level. The results indicate that the total GHG emission generated from food consumption in China tripled from 157 Mt CO2e in 2002 to 452 Mt CO2e in 2017. The fastest growing GHG emission is from the consumption of other processed food and meat products. Although GHG emissions from both urban and rural residents increased, the gap between them is increasing. Agriculture, processing and manufacture of food, manufacture of chemical and transportation, storage and post services sectors are key sectors inducing food consumption related GHG emissions. From a regional perspective, the top five emission provinces (autonomous regions/municipalities) include Shandong, Hubei, Guangdong, Zhejiang, and Jiangsu. Based on such results, policy recommendations are proposed to mitigate the overall GHG emission from food consumption.

关键词： greenhouse gas (GHG) emission     food consumption     industry sectors     mitigation measures     urban governance    

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Integration of climate change considerations into environmental impact assessment — implementation, problems and recommendations for China

I-Shin CHANG, Jing WU

《环境科学与工程前沿（英文）》 2013年 第7卷 第4期   页码 598-607 doi: 10.1007/s11783-013-0496-1

摘要： Climate change plays an important role in affecting and altering the course of human development. So far, there have been no effective and efficient techniques to directly quantify the influences of climate change on human development, but there have been rough estimation and qualitative description of the effects. Since the 1990s, climate change considerations have been required to be included in environmental impact assessment, which is a flexible institutional framework of environmental risk evaluation and management. However, there have been no concrete achievements demonstrated. The purpose of this study was first to summarise the practical experience and to disclose the existing problems during the implementation of the process of integrating climate change considerations into environmental impact assessment in China through a case study. Currently in China, the practice of integrating climate change considerations into environmental impact assessment is mainly concentrated on the strategic environmental assessment level. The influences of climate change were identified as energy consumption, greenhouse gases emission, and the restraint of development under abnormal or extreme weather or climate conditions. Because of a lack of related technical guidelines and practical experience, the climate change considerations that have been selected and the evaluation methods that have been applied are quite different. Recommendations on policies, laws, and institutional regulations institution are proposed to better utilise environmental impact assessment to integrate climate change considerations into economic, social, and environmental decisions and actions.

关键词： climate change considerations     environmental impact assessment     energy consumption     greenhouse gases     low carbon    

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水库水域生态系统温室气体排放测量技术

戴会超,李华,郑铁刚

《中国工程科学》 2010年 第12卷 第9期   页码 21-28

摘要：

基于国内外对全球温室气体排放监测研究的基础，总结并探讨了水库水域生态系统中温室气体排放通量常用测量分析技术的基本原理，对比分析了各种监测方法的适用性及优化措施，对我国形成系统的水库水域生态系统温室气体监测技术导则提供重要参考，为我国绿色水电和可持续发展水利水电建设提供重要的技术支撑。

关键词： 水库水域生态系统     温室气体     通量     测量技术    

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我国甲烷排放控制的中长期挑战与应对

张博,郭金玲,高俊莲,张国生,刘合

《中国工程科学》 2024年 第26卷 第2期   页码 185-197 doi: 10.15302/J-SSCAE-2024.07.007

摘要：

甲烷（CH4）是全球第二大温室气体，控制CH4排放兼具气候、环境、安全与经济效益；我国的CH4排放量较大，开展中长期CH4控排战略研究是强化我国温室气体减排能力体系建设的重要环节。本文从CH4排放控制的科学基础出发，辨识了我国CH4排放特征并剖析了CH4排放控制面临的中长期挑战；从总体管控思路、各领域CH4排放控制行动方向、减排技术与措施体系架构等方面阐明了我国中长期CH4排放控制的行动逻辑，进而提出了我国中长期CH4排放管控对策。研究认为，我国中长期CH4控排行动将面临排放总量大且部门及区域间迥异、排放演变趋势及具体路径不确定、技术减排与措施减排的潜力不明晰、减排风险量化及目标设定能力不足等问题。建议着眼长远，从设定全口径目标、责任分配与落实、筑牢减排能力、增强管控合力出发，战略谋划CH4排放控制工作，协同推进制度创新、科技创新、模式创新，加速实现我国从控制CH4排放向减少CH4排放的进程转变。

关键词： CH4排放控制；减排技术；减排措施；管控对策；温室气体减排    

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N2O emission from a sequencing batch reactor for biological N and P removal from wastewater

Lei SHEN,Yuntao GUAN,Guangxue WU,Xinmin ZHAN

《环境科学与工程前沿（英文）》 2014年 第8卷 第5期   页码 776-783 doi: 10.1007/s11783-013-0586-0

摘要： Nitrous oxide (N O) is a greenhouse gas that can be released during biological nitrogen removal from wastewater. N O emission from a sequencing batch reactor (SBR) for biological nitrogen and phosphorus removal from wastewater was investigated, and the aims were to examine which process, nitrification or denitrification, would contribute more to N O emission and to study the effects of heterotrophic activities on N O emission during nitrification. The results showed that N O emission was mainly attributed to nitrification rather than to denitrification. N O emission during denitrification mainly occurred with stored organic carbon as the electron donor. During nitrification, N O emission was increased with increasing initial ammonium or nitrite concentrations. The ratio of N O emission to the removed ammonium nitrogen (N O-N/NH -N) was 2.5% in the SBR system with high heterotrophic activities, while this ratio was in the range from 0.14% to 1.06% in batch nitrification experiments with limited heterotrophic activities.

关键词： biological nutrient removal     denitrification     greenhouse gas     nitrification     nitrous oxide    

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标题 作者 时间 类型 操作

Greenhouse gas emissions during the COVID-19 pandemic from agriculture in China

期刊论文

GREENHOUSE GAS EMISSIONS FROM LIVESTOCK IN CHINA AND MITIGATION OPTIONS WITHIN THE CONTEXT OF CARBON

期刊论文

Systematical strategies for wastewater treatment and the generated wastes and greenhouse gases in China

Jingbo GUO, Fang MA, Yuanyuan QU, Ang LI, Liang WANG

期刊论文

SOIL NITROGEN CYCLING AND ENVIRONMENTAL IMPACTS IN THE SUBTROPICAL HILLY REGION OF CHINA: EVIDENCE FROM MEASUREMENTS AND MODELING

期刊论文

Transportation: meeting the dual challenges of achieving energy security and reducing greenhouse gas

Michael Quanlu WANG, Hong HUO

期刊论文

GREENHOUSE GAS AND AMMONIA EMISSION MITIGATION PRIORITIES FOR UK POLICY TARGETS

期刊论文

Field scale measurement of greenhouse gas emissions from land applied swine manure

Devin L. Maurer, Jacek A. Koziel, Kelsey Bruning

期刊论文

Analyzing the energy intensity and greenhouse gas emission of Canadian oil sands crude upgrading through

Anton ALVAREZ-MAJMUTOV,Jinwen CHEN

期刊论文

Greenhouse gas emissions from thermal treatment of non-recyclable municipal waste

Tomáš Ferdan, Martin Pavlas, Vlastimír Nevrlý, Radovan Šomplák, Petr Stehlík

期刊论文

Pathways toward a pollution-free planet and challenges

期刊论文

Accounting greenhouse gas emissions of food consumption between urban and rural residents in China: a

期刊论文

Integration of climate change considerations into environmental impact assessment — implementation, problems and recommendations for China

I-Shin CHANG, Jing WU

期刊论文

水库水域生态系统温室气体排放测量技术

戴会超,李华,郑铁刚

期刊论文

我国甲烷排放控制的中长期挑战与应对

张博,郭金玲,高俊莲,张国生,刘合

期刊论文

N2O emission from a sequencing batch reactor for biological N and P removal from wastewater

Lei SHEN,Yuntao GUAN,Guangxue WU,Xinmin ZHAN

期刊论文