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Introduction
General: Industrial Ecology; Waste Management; Environmental System Engineering.
Specific: Urban Metabolism; Material Flow Analysis (MFA); Building Stock; Resource Management; Built Environment; Cities; C&D Waste Management; Heavy Metals Pollution
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Publications
Publications (84)
China’s recent recognition as the largest producer and consumer of lead-acid batteries (LABs) underscores the need for increased efforts in controlling pollution. Existing environmental risk assessment (ERA) studies are focused on recycling processes, and they often neglect the storage phase of spent LABs. Hence, we delves into ERA near a Chongqing...
The intersection of Sustainable Development Goals (SDGs) and Environmental, Social and Governance (ESG) considerations in the mining sector is underexplored. This review aims to inform policymakers about the mining sector's experience and challenges in implementing SDGs and to encourage further discussions on the evolution of SDGs beyond 2030. It i...
The article meticulously examines the challenges of chemical recycling of waste plastics against the backdrop of the proposed Global Plastic Treaty. With the rapid socio-economic development, the extensive production and disposal of plastic products have posed severe pollution to the ecological environment. Traditional plastic resins, difficult to...
In order to efficiently remove 4-nitrophenol (4-NP) and 2,4-dinitrophenol (2,4-DNP), 4-NP and 2,4-DNP were used as template molecules and double-template magnetic molecularly imprinted polymers (D-MIPs) were prepared by surface molecular imprinting technology using itaconic acid as functional monomer, Fe3O4@SiO2 as carrier, ethylene glycol dimethac...
This study collected data on waste generation and management in China between 1979 and 2020 from government statistics and literature and reviewed the development of municipal solid waste (MSW) management in China. The extended stochastic impact by regression on population, affluence and technology (STIRPAT) model was employed to identify the drivi...
Material stocks have created alternative perspectives in many environmental and climate studies. Their significance nonetheless may be under-explored, partially due to scarcity of more precise, timely and higher-resolution information. To address this limitation, our present study developed a gridded material stocks dataset for China in Year 2000 a...
Concrete is the most commonly used construction material. However, its production leads to high carbon dioxide (CO2) emissions and energy consumption. Therefore, developing waste-substitutable concrete components is necessary. Improving the sustainability and greenness of concrete is the focus of this research. In this regard, 899 data points were...
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Lessening energy-related carbon emissions has become a crucial measure to achieve Chinese carbon neutrality. This study is the first to construct a Difference in Carbon pressures-adjusted Human Development Index (DCHDI) model for the purpose of exploring the coupling effect between carbon emissions and human development variety from 2000 to 2019 in...
In recent years, environmental pollution and public health incidents caused by the recycling of spent lead-acid batteries (LABs) has becoming more frequent, posing potential risk to both the ecological environment and human health. Accurately assessing the environmental risk associated with the recycling of spent LABs is a prerequisite for achievin...
The Beibu Gulf is a vital link between China and the ASEAN nations, and microplastic contamination is rising due to fast growth, coastal life, fisheries, and mariculture. The abundance, distribution, and source analyses were conducted at 25 sample points for this study. According to this study, the average MPs was 0.25 ± 0.05 items/m3, ranging from...
Knowledge gained from anthropogenic resource prospecting can shed light on the theoretical potential of secondary resources stored in anthropogenic systems. Among others, secondary resources accumulated in the built environment account for a big fraction of anthropogenic resources, indicating great potential for urban mining. However, realizing the...
Meeting the current demand for concrete requires not only mining tons of gravel and sand, but also burning large amounts of fossil fuel resources in cement kilning. Consequently, concrete recycling is crucial to achieving a material-efficient society, especially with the application of various categories of concrete and the goal of phasing out foss...
China has witnessed a construction boom and thus an enormous amount of cement use in the past decades. At the same time, cement manufacturing technology has been upgraded rapidly. Here, based on national- and provincial-level data, we adopt regression models, life cycle assessment, and scenario analyses to present the evolution and environmental im...
Few studies reported using the convolutional neural network with transfer learning to finely classify the construction and demolition waste. This study aims to develop a highly efficient method to realize the finely sorting the construction and demolition waste, which is a key step for promoting the recycling system to realize carbon neutrality in...
Material metabolism in a Chinese megacity, Shanghai, was investigated with an integrated approach. Production-based raw material input, city-wide waste output and carbon emissions were compiled for the period 1995-2020, by computing hundreds of products and by-products. Decoupling of these resource and environmental flows from economic development...
Metal-containing solid wastes can induce serious environmental pollution if managed improperly, but contain considerable resources. The detoxification and resource recoveries of these wastes are of both environmental and economic significances, being indispensable for circular economy. In the past decades, attempts have been made worldwide to treat...
Recyclable waste sorting has become a key step for promoting the development of a circular economy with the gradual realization of carbon neutrality around the world. This study aims to develop an intelligent and efficient method for recyclable waste sorting by the method of deep learning. Thus, RWNet models, which refers to various ResNet structur...
The sorting of Construction and Demolition (C&D) waste is a critical step to linking the recycling system and to the macro prediction, which helps to promote the development of the circular economy. Moreover, the effective classification and automated separation process will also help to stop the spreading of pathogenic organisms, such as virus and...
Increasing generation of municipal solid waste, heterogeneity of waste composition, and complex processes of waste management and recovery have limited the performance of traditional treatment approaches. It is urgent to innovate waste management toward smarter and more efficient modes and break up the bottlenecks of the current system. Recently, d...
The recovery of valuable metals from the LiNi0·5Mn0·3Co0·2O2 in spent batteries deserves more attention. We report a series of feasible procedures to selectively recover the four metals (Li, Ni, Mn, and Co) using a combination of hydrometallurgical and pyrometallurgyical processes. Firstly, oxalic acid is used to dissolve Li and precipitate the oth...
The harvesting of algal sludge from eutrophic lakes, including the large quantity of organic matters, has the potential to be used as valuable products through the process of resource recovery. This study investigates the fatty acid production potential from algal sludge via anaerobic fermentation under different pH values. The results indicated th...
Urbanization and population growth have contributed to a tripling of building material consumption from 2000 to 2017. Building materials have a range of environmental impacts throughout their life cycle, from extraction, processing, and transport of raw materials to building construction, use, and eventual demolition and waste. Mitigation measures...
Many cities across China are investing in subway projects, resulting in much subway construction activity, which has experienced a surge over the past decade. The construction activities inevitably cause a dramatic quantity of subway-related excavated soil and rock (ESR). How to manage it with minimal environmental impact on our urban ecosystem rem...
Resource recovery using algal sludge harvested from algal bloom has aroused broad interest. The present study investigated the methane production potential of algal sludge subjected to co-pretreatment with zero-valent iron and ultrasound. Results indicated that the combined zero-valent iron and ultrasound pretreatments induce algal cell wall disrup...
In rapidly developing countries, such as China, considerable quantities of construction materials have been mobilized with the fast expansion of urban areas. The rural to urban land use transition, especially the upgrade and redevelopment of original rural areas, is a noted driver of material flows. This rural–urban land transition should be incorp...
With the continuing growth of urbanization and the boom of the construction sector in China, a substantial quantity of construction and demolition waste has been generated. However, there has been little research to characterize the waste from buildings’ interior renovation (repair and maintenance) or decoration activities. The primary purpose of t...
http://science.sciencemag.org/content/353/6306/1374.1/tab-e-letters
Microcystis panniformis is a bloom forming species with flat panniform-like colonies. This species was recently found in Lake Taihu, China. To specifically characterize M. panniformis based on isolated strains, morphological examination on colonial transition and genetic examination are needed. Three M. panniformis strains isolated from a water blo...
In order to investigate the distribution characteristics and the human health risks of 12 metals (Al, As, Cd, Cr, Cu, Fe, Hg, Mn, Mo, Ni, Pb and Zn), 46 water samples were collected in drinking water source of Luhun Reservoir in 2017, with human health risk assessment model carried out. The results showed that the maximum concentration of Al and al...
本书共分8章，介绍了建筑废物资源化利用的新理论、新技术和新方法，系统归纳了现有建筑废物再生利用模式，提出了高阶利用理念可行性和主要方式，并通过部分工程应用实例实现了实效落地，旨在我国“十三五”城市矿山中建筑废物的资源化技术、产业链构建和实施提供参考。
本书内容全面，观点新颖，可供从事建筑废物处理处置的企业和建筑废物管理人员、工程人员参阅，也可供高等学校环境科学与工程、资源循环科学与工程及相关专业师生参阅。
Severe water pollution caused by excessive emissions of phosphorus (P) and nitrogen (N) into water bodies is a significant concern worldwide. In the present study, we synthesized a novel nano composite, nano-CaO2@clinoptilolite, for the simultaneous removal of P, COD, and N from sewage. X-ray diffraction and X-ray photoelectron spectroscopy were us...
本书主要介绍了覆盖化工、冶金、轻工、加工等行业所涉及的一般建筑废物以及重金属、难降解有机物、火灾和爆炸以及地震灾区建筑废物等处置和资源化污染控制技术。本书共分11章，分别是：概论、建筑废物取样技术及设备、建筑废物样品预处理与分析方法、建筑废物的污染特征、受污染建筑废物产生机制、建筑废物中污染物在环境中的迁移转化、受污染建筑废物再生利用浸出毒性及污染控制、建筑废物无害化处理技术、含重金属建筑废物重金属富集回收、建筑废物污染防治管理建议、建筑废物资源化再利用技术。
本书适合于从事建筑废弃物管理、建筑废物处置、建筑废物再生利用领域的工程人员、管理人员参考,也可供高等学校环境工程、市政工程及相关专业师生参阅。
To investigate the distribution characteristics and the human health risks of heavy metals in surface water samples, 30 samples were collected around electroplating factories of Machong, Shatian, Humen, Changan and Dalingshan towns in Dongguan city, 8 heavy metals (As, Cd, Cr, Cu, Hg, Ni, Pb and Zn) contents were measured and analyzed by using mult...
Exploration of heavy metals and organic pollutants, their leaching capacity along with health and environmental risks in contaminated industrial construction and demolition waste (ICDW) within a pesticide manufacturing plant were investigated. A maximum content of 90.8 mg•kg–1 Cd was found present in the wastes, which might originate from phosphoru...
Pollution Control and Resource Recovery: Industrial Construction and Demolition Wastes provides engineers with the techniques and technologies to cope with the common pollutants that are persistent in C&D waste.
Dedicated to pollution control and resource reuse of C&D wastes, this book fully describes sampling methods and equipment, pre-treatment...
Pollution Control and Resource Recovery: Industrial Construction and Demolition Wastes provides engineers with the techniques and technologies to cope with the common pollutants that are persistent in C&D waste.
Dedicated to pollution control and resource reuse of C&D wastes, this book fully describes sampling methods and equipment, pre-treatment...
The present invention relates to a construction method for stabilizing waste contaminated by heavy metals. First building dried waste polluted by heavy metals - crushing, then citric acid, dissolved heavy metal skin construction waste, 23 to 25h after solid-liquid separation, and the eluent to give a solid, heavy metal recycling the eluate discharg...
The present invention relates to a method for the detection of heavy metal waste in the building. First take 100g heavy metal contaminated construction waste, after pretreatment quartering riffling, selected randomly at a dried 1 hour at 100 oC; dry seal construction waste pulverized to a particle size of less than 180 m; then weighed 0.1 g-0.3g pl...
The present invention relates to a method for dry cleaning with the alkaline sand bag of oil contamination, oil pollution technical field belonging to repair. The main steps are as follows: (1) pre-baking bag; (2) at a temperature and to add a fine sand-lime, calcium carbide slag alkaline substance such as dry cleaning medium oil adsorbed contamina...
A comprehensive field investigation of organic pollutants was examined in industrial construction and demolition waste (ICDW) inside an abandoned pesticide manufacturing plant. Concentrations of eight types of pesticides, a metabolite and two intermediates were studied. The ICDW was under severe and long-term contamination by organophosphorus, inte...
A comprehensive field investigation of organic pollutants was examined in industrial construction and demolition wastes (ICDW) inside an abandoned pesticide manufacturing plant. Concentrations of eight types of pesticides, a metabolite and two intermediates were studied. ICDW was under severe and long-term contamination by organophosphorus, interme...
The invention relates to a treating method of high-concentration heavy metal polluted building waste. The method includes: stripping surfaces of the building waste, smashing, washing, separating solid and liquid to obtain the cleaned building waste the water-soluble heavy metal of which is removed, adding an isopropylamine glyphosate solution into...
The invention relates to a method for determining organic matter in demolition wastes. The method comprises the following steps: adding an acetone solution into the demolition wastes, and carrying out synchronous pretreatment extraction through ultrasonic-centrifugal coupling to obtain extraction liquid containing organic matter; purifying the extr...
In this paper，pyrolyzed struvite is reused in the removal of ammonia nitrogen to reduce the cost of leachate treatment. The optimum technological condition includes pH of 9.5 - 10,dosage-ammonia nitrogen ratio at the 1.1: 1, the reaction time of 20 minutes and 100 ℃ pyrolyzes over 4 hours. The ammonia nitrogen removal efficiency of pyrolyzed struvi...
To evaluate the effects of different remediation methods on heavy metals contaminated recycled gravel, three immobilization agents (monopotassium phosphate, lime, nano-iron) and two mobilization agents (glyphosate, humic acid (HA)) were studied and compared. Results indicated that nano-iron powder was found to be more effective to immobilize Zn, Cu...
Distribution of hazardous substances and their release potential were investigated in industrial construction and demolition waste (ICDW) of several chemical and metallurgical factories. Results showed that inorganic matters like heavy metals, organic matters like pyrethroids exist as a result of industrial pollution, which might pose a potentially...
Total concentrations of heavy metals (Cu, Zn, Pb, Cr, Cd, and Ni) were measured among 63 samples of construction and demolition (C&D) wastes collected from chemical, metallurgical and light industries, and residential and recycled aggregates within China for risk assessment. The heavy metal contamination was primarily concentrated in the chemical a...
The total mercury (THg) and methylmercury (MeHg) distributions in the surface sediments of Kongsfjorden, Svalbard, in the Norwegian Arctic were investigated in this study. The results showed that THg concentrations ranged from 9.11 to 86.73 ng g−1, whereas MeHg concentrations had an average of only 0.11 ng g−1. Factors that control the distribution...
This paper simulated the landfill of heavy metal polluted construction and demolition waste(C&DW)to study the
transformation of contaminants under different acid rain condition.The results showed that pH of C&DW leachate fluctuated between 11 and 12, the concentration of Ca dropped from 7000mg/L to 250mg/L approximately, simultaneously total dissol...
The ammonia removal cost significantly decrease through the application of magnesium ammonia phosphate ( MAP) pyrolysis and reuse. The ammonia removal rate depends on the crystal morphology of the MAP and its pyrolysis products. The pyrolysis efficiency and ammonia removal rate in fresh leachate is far below the one in mature leachate. The crystal...
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The mechanical properties, phase change energy storage, environmental protection, and recycling of building materials are extensively studied, but few studies focus on the mercury adsorption of different building materials. Five types of cement brick powder including foam concrete, red brick, aggregate and gravel as well as several standard concret...
The invention belongs to the field of non-ferrous metal recovery and construction waste recycling, and relates to a method for separating and enriching zinc and lead from a heavy metal-polluted construction waste. The method comprises the following steps of: (1) delivering the heavy metal-polluted construction waste into a ball mill for ball millin...
Aimed at providing basic data in management of heavy metal polluted construction and demolition waste(C&DW), this paper establishes the exposure of concrete to heavy metal. Immersion of C20 concretes in Zn,Cu,Pb,Cr,Cd solution and their mixed solution was conducted in research, and analyzing the heavy metal distribution in different depths of concr...
本书主要内容包括生活垃圾的区域性收运系统、生物反应器卫生填埋技术、焚烧能源化利用技术、裂解资源化技术、机械生物处理技术、沼气发酵技术、源头分类和机械分选技术、垃圾中塑料、玻璃、纸张等回收废物的循环利用技术以及相关防治渗滤液、臭气等二次污染的环境保护技术。
Abstract: Objective To observe the trap effects of several different physical and chemical attractants on adult Culex pipiens quinquefasciatus, providing better designs of new mosquito trap devices. Methods The“Y”⁃tube olfactometer was used to measure the trap effects of seven chemicals (urea, lactic acid, glycerol, dodecanoic acid, tetradecanoic a...
