Review
Chemistry, Multidisciplinary
Pratyush Kumar Das, Bidyut Prava Das, Patitapaban Dash
Summary: Sukinda valley in India is a major source of chromites but also the fourth most polluted site worldwide. Immediate solutions are needed to protect the health of biotic species of this region and their surroundings.
ENVIRONMENTAL CHEMISTRY LETTERS
(2021)
Article
Environmental Sciences
Mohd Talha Anees, Mohammad Muqtada Ali Khan, Mohd Omar Abdul Kadir, Kamal Abdelrahman, Ahmed M. Eldosouky, Peter Andras, Nasehir Khan Bin E. M. Yahaya, Zubaidi Johar, Mohammed S. Fnais, Fatehah Mohd Omar
Summary: The study utilized spatio-temporal water quality modeling to assess the environmental impact of mining activities in Gua Musang, Malaysia. It found that mining activities resulted in high water pollution during the wet season, but no significant differences were observed during the dry season. Implementing mitigation measures improved water quality.
Article
Green & Sustainable Science & Technology
Aaron Swift, Eric Smoorenburg, Alexandra Newman, Gregory E. Bogin Jr
Summary: Diesel-powered equipment in underground mines generates heat and emissions. Changes in ambient temperature and humidity affect engine performance and emissions, which can impact worker exposure. This study models and simulates six turbocharged diesel engines to investigate the relationship between local changes in temperature, pressure, humidity, and the output of heat, nitrogen oxides, and soot. The results show that variations in temperature and humidity can lead to changes in emissions from the engines.
JOURNAL OF CLEANER PRODUCTION
(2023)
Article
Environmental Sciences
Lei Jiang, Hongjuan Sun, Tongjiang Peng, Wenjin Ding, Bo Liu, Quan Liu
Summary: The study evaluated heavy metal pollution in abandoned non-ferrous metal tailings using various assessment methods, identifying Mo, Cd, Pb, Sr, and Mn as high-risk elements, while Cu, Ni, Cr, and Zn are low risk. Results indicated that the evaluation of Mo, Mn, and Sr is more accurate, and the release of Pb and Cd is influenced by the pH of the tailings. The most significant finding was the proposal of a comprehensive integration result of pollution risk levels based on multiple assessment methods.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2021)
Article
Chemistry, Multidisciplinary
Jiali Zhang, Yinghong Liu, Songtao Hong, Meilan Wen, Chaojie Zheng, Panfeng Liu
Summary: This study collected 140 soil samples around the Dachang tin polymetallic mining area in Guangxi to explore the distribution and pollution degree of heavy metals in the farmland soil. The analysis of total amount and various forms of seven heavy metals revealed that the soil in the study area is acidic, reducing, and with low organic matter content. Cd, Pb, and As were found to exceed the control value and are the main pollutants. The overall pollution level of the soil was found to be heavily polluted, with Cd being the most serious pollutant. Remediation suggestions involving stabilization remediation technology and the use of Typha orientalis Presl were proposed according to the pollution degree and the actual situation of the farmland around the mining area.
APPLIED SCIENCES-BASEL
(2023)
Article
Environmental Studies
Dan Li, Fangting Ge, Tongxin Li
Summary: This study examines the long-term sustainability of the metal ore mining industry in 16 ASEAN+6 countries. Factors such as public education spending, foreign direct investment, inflation rates, green energy resilience, and carbon dioxide emissions are analyzed for their impact on energy intensity in the sector. The results show that increased public education spending reduces energy intensity, while foreign direct investment has a positive influence. Inflation rates and green energy resilience also affect energy intensity. However, there is a concerning link between carbon dioxide emissions and higher energy intensity in the industry.
Article
Environmental Sciences
Dandan Wang, Liugen Zheng, Mengxi Ren, Chang Li, Xianglin Dong, Xiangpin Wei, Weijun Zhou, Jiasheng Cui
Summary: In mining areas affected by long-term coal mining activities, zinc pollution poses a serious threat to soil quality and human health. This study analyzed the zinc content and isotopes composition in soil samples to understand the characteristics and sources of zinc in the soil. The results showed that zinc content exceeded the background value, and zinc primarily originated from wind dispersion and natural weathering. The use of zinc isotopes can effectively evaluate the impact of anthropogenic and natural processes on zinc in mining area soil.
ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
(2022)
Article
Crystallography
Tlotlo Solomon Gabasiane, Gwiranai Danha, Tirivaviri A. Mamvura, Tebogo Mashifana, Godfrey Dzinomwa
Summary: Copper slag is a byproduct of pyrometallurgical processes used to extract copper and nickel from their ores, and has been a major concern in metallurgical industries. Research has focused on finding ways to reuse and recycle copper slag in order to reduce waste, greenhouse gas emissions, and promote the concept of circular economy. Recycling methods for copper slag include physical separation, magnetic separation, flotation, leaching, and direct reduction roasting of iron, with potential recovery of valuable metals such as Cu, Fe, Ni, Co, and Ag.
Article
Environmental Sciences
Anju Joseph, Srinivas Billakanti, Manzoor Ahmad Pandit, Sajmina Khatun, Aravind Kumar Rengan, Krishnamurthi Muralidharan
Summary: This study focuses on the production of ZnS and metal-doped ZnS nanoflakes and investigates their activity in relation to bandgap variation. The materials show photocatalytic and antibacterial activities, with sf-Cd-ZnS exhibiting strong photocatalytic activity. The excellent performance of these ZnS materials can be attributed to the free surface of nanoparticles and the intimate interaction between the inorganic material and organic molecules. Therefore, these materials have potential for environmental remediation, particularly water purification.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2022)
Article
Environmental Sciences
Kun Lin, Tao Yu, Wenbing Ji, Bo Li, Zhiliang Wu, Xu Liu, Cheng Li, Zhongfang Yang
Summary: Carbonate rocks play a crucial role in the genesis and spatial distribution of polymetallic sulfide deposits. This study investigates the distribution and speciation of Cd, Zn, and Pb in the water and soil-rice system at a polymetallic sulfide deposit in Guangxi. The results show that the natural buffering of carbonate rocks can reduce the concentration of heavy metals in water and influence their migration and transformation.
ENVIRONMENTAL POLLUTION
(2023)
Article
Biotechnology & Applied Microbiology
Thangavel Mathimani, Eldon R. Rene, Sandhanasamy Devanesan, Mohamad S. AlSalhi
Summary: This study investigated the phycoremediation of zinc by the unicellular green alga, Selenastrum sp., and the simultaneous biodiesel production from zinc-resistant biomass. The results showed that Selenastrum sp. exhibited good growth and 90% removal efficiency of zinc at concentrations of 5 and 7 ppm. The zinc-resistant Selenastrum biomass also provided a high lipid content and biodiesel yield.
ALGAL RESEARCH-BIOMASS BIOFUELS AND BIOPRODUCTS
(2023)
Article
Environmental Sciences
Ayush Singh, Munish K. Chandel
Summary: The study evaluated the mobility and chemical speciation of heavy metals in fine fraction collected from a municipal solid waste dumpsite in Mumbai, India. Results showed an increasing trend in heavy metal concentration with waste age, with zinc having the highest concentration. Cadmium was identified as the most polluting and mobile heavy metal, while chromium had the least mobility.
JOURNAL OF ENVIRONMENTAL MANAGEMENT
(2022)
Article
Environmental Sciences
Yasuo Mitsui Nakamaru, Retsushi Matsuda, Takeshi Sonoda
Summary: Composted sewage sludge (CSS) containing zinc and copper is used as fertilizer in agriculture in Abashiri, Hokkaido, northern Japan. The local environmental risks of these organic fertilizers were studied, specifically focusing on the risks posed by heavy metals to the brackish-water bivalve, Corbicula japonica. The study monitored the long-term effect of CSS application in agricultural fields and evaluated the factors influencing the availability of copper and zinc in the presence of organic fertilizers in pot cultivation. The study also examined the mobility and availability of these heavy metals in organic fertilizers in a field experiment.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Plant Sciences
Marie Luyckx, Jean-Francois Hausman, Kjell Sergeant, Gea Guerriero, Stanley Lutts
Summary: This study found that zinc and cadmium have different impacts on plant metabolism, and silicon can enhance the stress tolerance of plants to heavy metals.
FRONTIERS IN PLANT SCIENCE
(2021)
Article
Environmental Sciences
Michelle Mimi Vandyck, Emmanuel Kwesi Arthur, Emmanuel Gikunoo, Frank Ofori Agyemang, Bennetta Koomson, Gordon Foli, Douglas Siaw Baah
Summary: Remedial action is necessary to prevent heavy metal leachability and environmental risks in contaminated soils. This study assessed the effectiveness of limekiln dust (LKD) as a stabilizing agent for Ghanaian gold mine tailings contaminated with heavy metals. The contaminated soils were amended with different doses of LKD, and various tests were conducted to evaluate their effectiveness. The results showed that 20 wt.% of LKD was effective in remediating the mine tailings, except for cadmium, and 10 wt.% of LKD was sufficient for Cd-contaminated soil remediation. The use of LKD to remediate soils contaminated with Fe, Cu, Ni, Cd, and Hg was found to be safe and environmentally friendly.
ENVIRONMENTAL MONITORING AND ASSESSMENT
(2023)
Article
Green & Sustainable Science & Technology
Lars odegaard Bentsen, Narada Dilp Warakagoda, Roy Stenbro, Paal Engelstad
Summary: This study investigates uncertainty modeling in wind power forecasting using different parametric and non-parametric methods. Johnson's SU distribution is found to outperform Gaussian distributions in predicting wind power. This research contributes to the literature by introducing Johnson's SU distribution as a candidate for probabilistic wind forecasting.
JOURNAL OF CLEANER PRODUCTION
(2024)
Article
Green & Sustainable Science & Technology
Xing Liu, Qiuchen Wang, Yunhao Wen, Long Li, Xinfang Zhang, Yi Wang
Summary: This study analyzes the characteristics of process parameters in three lean gas ethane recovery processes and establishes a prediction and multiobjective optimization model for ethane recovery and system energy consumption. A new method for comparing ethane recovery processes for lean gas is proposed, and the addition of extra coolers improves the ethane recovery. The support vector regression model based on grey wolf optimization demonstrates the highest prediction accuracy, and the multiobjective multiverse optimization algorithm shows the best optimization performance and diversity in the solutions.
JOURNAL OF CLEANER PRODUCTION
(2024)
Article
Green & Sustainable Science & Technology
Cairong Song, Haidong Yang, Xian-Bing Meng, Pan Yang, Jianyang Cai, Hao Bao, Kangkang Xu
Summary: The paper proposes a novel deep learning-based prediction framework, aTCN-LSTM, for accurate cooling load predictions. The framework utilizes a gate-controlled multi-head temporal convolutional network and a sparse probabilistic self-attention mechanism with a bidirectional long short-term memory network to capture both temporal and long-term dependencies in the cooling load sequences. Experimental results demonstrate the effectiveness and superiority of the proposed method, which can serve as an effective guide for HVAC chiller scheduling and demand management initiatives.
JOURNAL OF CLEANER PRODUCTION
(2024)
Article
Green & Sustainable Science & Technology
Zhe Chen, Xiaojing Li, Xianli Xia, Jizhou Zhang
Summary: This study uses survey data from the Loess Plateau in China to evaluate the impact of social interaction on the adoption of soil and water conservation (SWC) technology by farmers. The study finds that social interaction increases the likelihood of farmers adopting SWC, and internet use moderates this effect. The positive impact of social interaction on SWC adoption is more pronounced for farmers in larger villages and those who join cooperative societies.
JOURNAL OF CLEANER PRODUCTION
(2024)
Article
Green & Sustainable Science & Technology
Chenghua Zhang, Yunfei Yan, Kaiming Shen, Zongguo Xue, Jingxiang You, Yonghong Wu, Ziqiang He
Summary: This paper reports a novel method that significantly improves combustion performance, including heat transfer enhancement under steady-state conditions and adaptive stable flame regulation under velocity sudden increase.
JOURNAL OF CLEANER PRODUCTION
(2024)