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The 2022 report of synergetic roadmap on carbon neutrality and clean air for China:Accelerating transition in key sectors

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Environmental Science and Ecotechnology 2024年第3期19卷 4-18页

作者： Yu Lei Zhicong Yin Xi Lu Qiang Zhang Jicheng Gong Bofeng Cai Cilan Cai Qimin Chai Huopo Chen Renjie Chen Shi Chen Wenhui Chen Jing Cheng Xiyuan Chi Hancheng Dai Xiangzhao Feng Guannan Geng Jianlin Hu Shan Hu Cunrui Huang Tiantian Li Wei Li Xiaomei Li Jun Liu Xin Liu Zhu Liu Jinghui Ma Yue Qin Dan Tong Xuhui Wang Xuying Wang Rui Wu Qingyang Xiao Yang Xie Xiaolong Xu Tao Xue Haipeng Yu Da Zhang Ning Zhang Shaohui Zhang Shaojun Zhang Xian Zhang Xin Zhang Zengkai Zhang Bo Zheng Yixuan Zheng Jian Zhou Tong Zhu Jinnan Wang Kebin He Center of Air Quality Simulation and System Analysis Chinese Academy of Environmental PlanningBeijing100041China Center for Carbon Neutrality Chinese Academy of Environmental PlanningBeijing100041China Key Laboratory of Meteorological Disaster Ministry of Education/Joint International Research Laboratory of Climate and Environment Change(ILCEC)/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters(CIC-FEMD)Nanjing University of Information Science&TechnologyNanjing210044China State Key Joint Laboratory of Environment Simulation and Pollution Control School of EnvironmentTsinghua UniversityBeijing100084China Institute for Carbon Neutrality Tsinghua UniversityBeijing100084China Ministry of Education Key Laboratory for Earth System Modelling Department of Earth System ScienceTsinghua UniversityBeijing100084China State Key Joint Laboratory for Environment Simulation and Pollution Control College of Environmental Sciences and Engineering and Center for Environment and HealthPeking UniversityBeijing100871China National Center for Climate Change Strategy and International CooperationBeijing100035China Nansen-Zhu International Research Centre Institute of Atmospheric PhysicsChinese Academy of SciencesBeijing100029China School of Public Health Key Lab of Public Health Safety of the Ministry of Education and Key Lab of Health Technology Assessment of the Ministry of HealthFudan UniversityShanghai200032China School of Economics and Management Beijing University of Chemical TechnologyBeijing100029China Department of Earth System Science University of CaliforniaIrvineCA92697USA National Meteorological Center China Meteorological AdministrationBeijing100081China College of Environmental Sciences and Engineering Peking UniversityBeijing100871China Policy Research Center for Environment and Economy Ministry of Ecology and Environment of the People's Republic of ChinaBeijing100029China Jiangsu Key Laboratory of Atmospheric Environment Monitoring

China is now confronting the intertwined challenges of air pollution and climate *** the high synergies between air pollution abatement and climate change mitigation,the Chinese government is actively promoting synergetic control of these two *** Synergetic Roadmap project was launched in 2021 to track and analyze the progress of synergetic control in China by developing and monitoring key *** Synergetic Roadmap 2022 report is the first annual update,featuring 20 indicators across five aspects:synergetic governance system and practices,progress in structural transition,air pollution and associated weather-climate interactions,sources,sinks,and mitigation pathway of atmospheric composition,and health impacts and benefits of coordinated *** to the comprehensive review presented in the 2021 report,the Synergetic Roadmap 2022 report places particular emphasis on progress in 2021 with highlights on actions in key sectors and the relevant *** milestones include the proportion of non-fossil power generation capacity surpassing coal-fired capacity for the first time,a decline in the production of crude steel and cement after years of growth,and the surging penetration of electric ***,in 2022,China issued the first national policy that synergizes abatements of pollution and carbon emissions,marking a new era for China's pollution-carbon *** changes highlight China's efforts to reshape its energy,economic,and transportation structures to meet the demand for synergetic control and sustainable ***,the country has witnessed a slowdown in carbon emission growth,improved air quality,and increased health benefits in recent years.

关键词： Synergetic roadmap Carbon neutrality Clean air

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Large potential of strengthening the land carbon sink in China through anthropogenic interventions

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Science Bulletin 2024年第16期69卷 2622-2631页

作者： Xu Yue Hao Zhou Yang Cao Hong Liao Xiaofei Lu Zhen Yu Wenping Yuan Zhu Liu Yadong Lei Stephen Sitch Jürgen Knauer Huijun Wang Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control Jiangsu Collaborative Innovation Center of Atmospheric Environment and Equipment TechnologySchool of Environmental Science and EngineeringNanjing University of Information Science&Technology(NUIST)Nanjing 210044China College of Meteorology and Oceanography National University of Defense TechnologyChangsha 410073China Jiangsu Nanjing Environmental Monitoring Center Nanjing 210013China Key Laboratory of Agrometeorology of Jiangsu Province Institute of EcologySchool of Applied MeteorologyNUISTNanjing 210044China Institute of Carbon Neutrality Sino-French Institute for Earth System ScienceCollege of Urban and Environmental SciencesPeking UniversityBeijing 100871China Department of Earth System Science Tsinghua UniversityBeijing 100084China State Key Laboratory of Severe Weather and Key Laboratory of Atmospheric Chemistry of CMA Chinese Academy of Meteorological SciencesBeijing 100081China College of Life and Environmental Sciences University of ExeterExeter EX44RJUK Hawkesbury Institute for the Environment Western Sydney UniversityPenrith 2751Australia Key Laboratory of Meteorological Disaster Ministry of EducationJoint International Research Laboratory of Climate and Environment ChangeCollaborative Innovation Center on Forecast and Evaluation of Meteorological DisastersNUISTNanjing 210044China

The terrestrial ecosystem in China mitigates 21%-45%of the national contemporary fossil fuel CO_(2) emissions every *** and strengthening the land carbon sink is essential for reaching China’s target of carbon ***,this sink is subject to large uncertainties due to the joint impacts of climate change,air pollution,and human ***,we explore the potential of strengthening land carbon sink in China through anthropogenic interventions,including forestation,ozone reduction,and litter removal,taking advantage of a well-validated dynamic vegetation model and meteorological forcings from 16 climate *** anthropogenic interventions,considering Shared Socioeconomic Pathways(SSP)scenarios,the land sink is projected to be 0.26-0.56 Pg C a^(-1) at 2060,to which climate change contributes 0.06-0.13 Pg C a^(-1) and CO_(2) fertilization contributes 0.08-0.44 Pg C a^(-1) with the stronger effects for higher emission *** anthropogenic interventions,under a close-to-neutral emission scenario(SSP1-2.6),the land sink becomes 0.47-0.57 Pg C a^(-1) at 2060,including the contributions of 0.12 Pg C a^(-1) by conservative forestation,0.07 Pg C a^(-1) by ozone pollution control,and 0.06-0.16 Pg C a^(-1) by 20%litter removal over planted *** sink can mitigate 90%-110% of the residue anthropogenic carbon emissions in 2060,providing a solid foundation for the carbon neutrality in China.

关键词： Carbon sink Forestation Ozone Litter removal

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Visual Glucose Sensing Via Dispersive Liquid-Liquid Microextraction and Anion Exchange of Cspbbr3 Perovskite Nanocrystals

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SSRN 2025年

作者： Hong, Wenping Li, Yishan Luo, Jiamin Zhao, Shanshan Shun, Libo Li, Feiming Cai, Zhixiong Lin, Jinming Zhang, Maosheng College of Chemistry Chemical Engineering and Environment Minnan Normal University Zhangzhou363000 China Fujian Province Key Laboratory of Modern Analytical Science and Separation Technology Minnan Normal University Zhangzhou363000 China Fujian Provincial University Key Laboratory of Pollution Monitoring and Control Minnan Normal University Zhangzhou36300 China Department of Chemistry Tsinghua University Beijing100084 China The Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology China

A convenient, rapid, and reliable glucose sensor is especially essential in the food and beverage fields because excessive glucose intake can increase the risk of cardiovascular disease, diabetes, and hypertension. Here, a sensitive visual sensing and detection method for glucose has been successfully designed and constructed based on the dispersive liquid-phase microextraction (DLLME) technique combined with anion exchange in CsPbBr3 perovskite nanocrystals (PNCs). Benefiting not only from the enrichment effect of microextraction techniques but also from the sensitive and rapid anion-exchange capabilities of PNCs, this method displayed high sensitivity and a low detection limit of 3.25 μg/mL. To further demonstrate the feasibility, this approach was used for the determination of glucose in real samples, such as sugar-free beverages, and showed good selectivity and recoverability, ranging from 95.6% to 107.6%. Additionally, a test paper-based detection method was established, utilizing significant fluorescence color changes for sensitive, portable, and semi-quantitative detect glucose in the field. © 2025, The Authors. All rights reserved.

关键词： Perovskite

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Surface-Induced a Local Electronegative Field to Engineer K-Enriched Microenvironment for High-Performance Alkaline Hydrogen Evolution Reaction

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SSRN 2023年

作者： Chen, Jie Lin, Zhihuai Cai, Hongze Zeng, Jianpeng Zheng, Fengying Li, Yancai Li, Shunxing College of Chemistry Chemical Engineering and Environment Minnan Normal University Zhangzhou363000 China Fujian Province Key Laboratory of Modern Analytical Science and Separation Technology Minnan Normal University Zhangzhou363000 China Fujian Province University Key Laboratory of Pollution Monitoring and Control Minnan Normal University Zhangzhou363000 China

The design and development of the superior alkaline hydrogen evolution reaction (HER) electrocatalysts via tuning reaction microenvironment is an efficient but challenging approach. In this work, we proposed a surface-induced strategy for intentionally engineering a local electric field to in-situ enrich the active species. Specifically, Ru@CeC electrocatalyst with Ru clusters embedded in CeO2-C matrix was synthesized by the pyrolysis of Ru/Ce-MOFs composite. The surface charge modulation of CeO2 resulted in an electronegative environment for Ru clusters supported on its surface, thus abundantly enriching K cations from KOH electrolyte. The as-prepared Ru@CeC exhibited excellent HER activity and superior stability in alkaline condition. Moreover, this electrocatalyst can fully utilize the excess alkali-metal ions and inhibit the influence to active components by Cl anions in alkaline seawater HER. In a alkaline seawater electrolyte with 1 M KOH and 3 M KCl, it only required a low overpotential of 13 mV to obtain 10 mA cm-2 current density, with a Tafel slope of 24 mV dec-1. Theoretical calculation results also indicated that the energy barrier of water dissociation as rate-determining step on Ru surface is greatly reduced derived from the mediation of hydrated K cations. © 2023, The Authors. All rights reserved.

关键词： Electrocatalysts

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Enhanced As(Iii) Detection Under Near-Neutral Conditions: Synergistic Effect of Boosted Adsorption by Oxygen Vacancies and Valence Cycle Over Activated AU Nps Loaded on Fecoox Nanosheets

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SSRN 2023年

作者： Huang, Xing-Jiu Huang, Cong-Cong Song, Zong-Yin Li, Hui-Quan Yu, Xin-Yu Cui, Yu-Min Yang, Meng Key Laboratory of Environmental Optics and Technology And Environmental Materials and Pollution Control Laboratory Institute of Solid State Physics HFIPS Chinese Academy of Sciences Hefei230031 China Department of Materials Science and Engineering University of Science and Technology of China Hefei230026 China Anhui Provincial Key Laboratory for Degradation and Monitoring of Pollution of the Environment School of Chemistry and Materials Engineering Fuyang Normal University Fuyang236037 China Anhui Haoyuan Chemical Group Co. Ltd. Fuyang236146 China

It is reported that As(III) has always been detected in acidic environments. Nevertheless, the unstable modified nanomaterials under strong acidic conditions may lead to unreliable results. Herein, an innovative method is proposed to employ FeCoOx nanosheets with abundant oxygen vacancies to stabilize even activate Au NPs for enhancing As(III) detection under mild conditions synergistically. Specifically, the sensitivity of 1.45 μA ppb-1 with a detection limit (3σ method) of 0.27 ppb were obtained, which displays a promising application in the field of electrochemical detection. Moreover, the suggested electrode represented stable detection for As(III) in repetitive measurements (RSD=2.60%, n=10), and the ideal anti-interference performance was demonstrated. It is revealed that FeCoOx nanosheets with extensive interfacial area and the introduced oxygen vacancies afforded plentiful active sites for As(III) adsorption as well as assisted to stabilize Au NPs for uniform dispersion. Meanwhile, the valence cycle activated Au NPs and accelerated the transfer of electrons, which further synergies to boost the electro-catalysis of As(III). This study is not only favorable for understanding the positive facilitation of oxygen vacancies and the valence cycle of transition metals on catalytic performance;but also gives guidelines for constructing a novel electrochemical sensing interface. © 2023, The Authors. All rights reserved.

关键词： Oxygen vacancies

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Oxidation of Toluene Over the Mesoporous Mno2/Ceo2 Nanosphere Catalysts: Effects of the Mno2 Precursor and the Type of the Support

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SSRN 2023年

作者： Cui, Yan Zhang, Yixin Xu, Leilei Wu, Cai-E Zou, Weixin Zhang, Lan Wang, Ning Dong, Lin Hu, Xun Chen, Mindong Collaborative Innovation Centre of the Atmospheric Environment and Equipment Technology School of Environmental Science and Engineering Nanjing University of Information Science & Technology Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control Nanjing210044 China College of Light Industry and Food Engineering Nanjing Forestry University Nanjing210037 China State Key Laboratory of Pollution Control and Resource Reuse School of the Environment Nanjing University Nanjing210093 China Faculty of Environment and Life Beijing University of Technology Beijing100124 China School of Material Science and Engineering University of Jinan Jinan250022 China

Toluene was the most common volatile organic compounds (VOCs), and MnO2-based catalysts was one of the excellent non-precious metal catalysts for the toluene oxidation. In this study, the effects of the MnO2 precursors and types of the supports on the catalytic oxidation activity of toluene were systematically explored. The results showed that the 15MnO2/MS-CeO2-N catalyst with Mn(NO3)2·4H2O as the precursor and the mesoporous CeO2 nanosphere (MS-CeO2) as the support exhibited the most excellent performance. To reveal the essential reason hidden behind, the calcination process of the catalyst precursor and the reaction process of the toluene oxidation were investigated by the in-situ DRIFTS. It was found that the MnO2 precursor and the type of the catalyst support could greatly influence the reaction intermediates and pathway. Therefore, the roles of the MnO2 precursor and type of the support should be the key considerations when developing the high-performance MnO2-based toluene oxidation catalysts. © 2023, The Authors. All rights reserved.

关键词： Cerium oxide

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Nano Zero-Valent Iron Enhances the Mobilization and Absorption of Chromium in Rice (Oryza Sativa L.): Implication for Cr Risks Management in Paddy Fields

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SSRN 2023年

作者： Liu, Ting Guan, Zeting Li, Jingjing Ao, Ming Sun, Shengsheng Deng, Tenghaobo Wang, Shizhong Tang, Yetao Lin, Qingqi Ni, Zhuobiao Qiu, Rongliang Guangdong Laboratory for Lingnan Modern Agriculture Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety College of Natural Resources and Environment South China Agricultural University Guangzhou510642 China Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation School of Environmental Science and Engineering Sun Yat-sen University Guangzhou510006 China Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences Guangzhou510640 China

Chromium (Cr) accumulating in soil caused serious pollution to cultivated land. At present, nano zero-valent iron (nZVI) is considered to be a promising remediation material for Cr-contaminated soil. However, the impact on the behavior of Cr in the soil-rice system under high natural geological background value remains unknown. We studied the effects of nZVI on the migration and transformation of Cr in paddy soil-rice by pot experiment. Three different doses of nZVI (0, 0.001% and 0.1% (w/w)) treatments and one dose of 0.1% (w/w) nZVI treatment without plant rice were set up. Under continuous flooding conditions, nZVI significantly increased rice biomass compared with the control. At the same time, nZVI significantly promoted the reduction of Fe in the soil, increased the concentration of dissolved Fe and bioavailable Cr, then facilitated the absorption of Cr in rice roots and the transportation to the aboveground part. In addition, the enrichment of Fe(III)-reducing bacteria and sulfate-reducing bacteria in soil provided electron donors for Cr oxidation, which helps to form bioavailable Cr that is easily absorbed by plants. There is an unexpected environmental risk associated with nZVI application to the high geological background contaminated paddy soil, and one should be aware this risk when applying nZVI aiming to minimize human Cr exposure health risks via rice consumption. © 2023, The Authors. All rights reserved.

关键词： Bacteria

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Insight in the Mechanism of Alkaline Treatment Methods Effecting Dewatered Sludge Fermentation from Microbial Characteristics

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SSRN 2022年

作者： Xing, Yixiao Xiao, Huang Wang, Hongjie Yu, Jianghua Collaborative Innovation Center of Atmospheric Environment and Equipment Technology Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control School of Environmental Science and Engineering Nanjing University of Information Science & Technology Nanjing210044 China Shenzhen518055 China

This work explored the effecting mechanisms of alkali treatment methods (alkali pretreatment and alkali process treatment) on volatile fatty acids (VFAs) yield in anaerobic fermentation (AF) of dewatered sludge (DS). Alkali process treatment improved VFAs accumulation and the maximum VFAs yield was 3.55 times higher than alkali pretreatment. Acetic acid comprised 40% of VFAs in the alkali process treatment system, compared to less than 19% in the alkali pretreatment group. The DS was most considerably dissolved during the alkali process treatment, soluble chemical oxygen demand (sCOD), soluble protein and carbohydrate concentration were 3100.72, 1256.46, and 308.78 mg/L, respectively. Microbial community analysis indicated that the alkaline process treatment reduced the microbial diversity, and the dominant phyla were single and prominent (Firmicutes and Actinobacteria). Burkholderiaceae , Rikenellaceae , Corynebacteriaceae , and Microthrixaceae were promoted at the genus level. Additionally, carbohydrate metabolism was the highest, but lipid metabolism was the lowest by alkali process treatment. As a whole, alkali process treatments increased carbohydrate and amino acid metabolism and reduced lipid metabolism. This study offers an effectual microbial strategy for improving acid production from AF of DS. © 2022, The Authors. All rights reserved.

关键词： Anaerobic digestion

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Nano Zero-Valent Iron Enhances the Mobilization and Absorption of Chromium in Rice (Oryza Sativa L.): Implication for Cr Risks Management in Paddy Fields

SSRN

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SSRN 2023年

作者： Liu, Ting Guan, Zeting Li, Jingjing Ao, Ming Sun, Shengsheng Deng, Tenghaobo Wang, Shizhong Tang, Yetao Lin, Qingqi Ni, Zhuobiao Qiu, Rongliang Guangdong Laboratory for Lingnan Modern Agriculture Guangdong Provincial Key Laboratory of Agricultural and Rural Pollution Abatement and Environmental Safety College of Natural Resources and Environment South China Agricultural University Guangzhou510642 China Guangdong Provincial Key Laboratory of Environmental Pollution Control and Remediation School of Environmental Science and Engineering Sun Yat-sen University Guangzhou510006 China Institute of Quality Standard and Monitoring Technology for Agro-products Guangdong Academy of Agricultural Sciences Guangzhou510640 China

关键词： Bacteria

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A New-Style Pohotoelectrochemical Sensing Device Based on Nh2-Uio-66@Bi2o3 for the Sensitive Detection of Hydrogen Sulfide

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SSRN 2024年

作者： Song, Zhiping Luo, Tingfang Ke, Jingru Hu, Shuisheng Yang, Weiqiang Ni, Jiancong Chen, Xiaoping Chen, Zhonghui Fujian Provincial Key Laboratory of Pollution Monitoring and Control Fujian Provincial Key Laboratory of Modern Analytical Science and Separation Technology College of Chemistry Chemical Engineering and Environment Minnan Normal University Zhangzhou363000 China Key Laboratory of Prevention and Treatment of Cardiovascular and Cerebrovascular Diseases Ministry of Education Key Laboratory for Tissue Engineering of Jiangxi Province Gannan Medical University Jiangxi Ganzhou341000 China Central Laboratory Affiliated Hospital of Putian University Putian University Putian351100 China

Hydrogen sulfide (H2S) has been regarded as an environmentally hazardous substance and its abnormal level in the atmosphere can cause great harm for human body. Therefore, the development of a rapid and sensitive method for H2S detection is valuable for both human health and ecosystem safety. Herein, a new-style photoelectrochemical (PEC) sensing device integrated with a headspace separation system for sensing H2S was constructed by assembling a NH2-UiO-66@Bi2O3 modified photoelectrode array which was prepared by a vacuum filtration technique. According to the experimental results, the H2S gas volatilized from the test sample induces partial in situ transformation of the NH2-UiO-66@Bi2O3 modified on photoelectrode array into NH2-UiO-66@Bi2S3 which promotes electron-holes separation and visible light absorption, thus leading to the enhancement of photocurrent response. Correspondingly, a signal-on PEC sensing device was thereby constructed for sensing H2S concentration linearly ranging from 2.5 to 100 µM, with a detection limit of about 0.78 µM. Beyond that, the feasibility of sensing H2S in environment samples was further confirmed by recovery assays. This work could broaden a new vision of the elegant design of portable PEC sensor for rapid and sensitive environmental analysis. © 2024, The Authors. All rights reserved.

关键词： Hydrogen sulfide

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