Article
Engineering, Environmental
Shaoheng Ge, Mudassir Hussain Tahir, Dezhen Chen, Liu Hong, Yuheng Feng, Zhen Huang
Summary: This research explored the contact configuration between high-temperature CO2, volatile compounds, and char from municipal solid waste pyrolysis to obtain high-quality synthesis gas. The results showed that the third contact mode was the most effective, with the highest synthesis gas yield and energy conversion rate, as well as the lowest tar yield.
Article
Energy & Fuels
Yun Liu, Yuan Zhang, Yu-qing Zhang, Lian-sheng Chen, Hai-ying Li, Hui-min Liu
Summary: The study investigated the effects of pyrolysis heating rate on the char structure and CO2 gasification reactivity of energy crops, revealing that bio-char obtained at a rapid heating rate had more structural defects and carbon crystallite imperfections, leading to higher gasification reactivity. However, this also resulted in a decrease in crystallization size, graphitization, and aromatization degree.
Article
Energy & Fuels
Christoph Schneider, Stella Walker, Aekjuthon Phounglamcheik, Kentaro Umeki, Thomas Kolb
Summary: This study investigates the thermal deactivation of beech wood chars during secondary pyrolysis, showing that the initial conversion rate Ro decreases linearly from 1000 degrees C to 1400 degrees C, but increases significantly at 1600 degrees C. Graphitization of the carbon matrix and CaO dispersion were also analyzed, indicating the formation of thin CaO layers at 1600 degrees C, which greatly affect the char reactivity.
Article
Thermodynamics
Ruochen Wu, Jacob Beutler, Larry L. Baxter
Summary: This investigation examines the trends in biomass char diameter during gasification using continuous particle size data and a theoretical model to describe the variations. The model captures the qualitative and most of the quantitative variation in the data.
Article
Energy & Fuels
Bo Wang, Fanfan Xu, Xin Wang, Jun Li, Yongyi Song, Yingyun Qiao, Yuanyu Tian
Summary: This study provides a comprehensive comparative investigation on feedstock pyrolysis and char gasification performance of typical forestry biomass from Northeast Asia. The results showed that different forestry biomass has close thermal decomposition characteristics, and Salicaceae char has better gasification performance than Pinaceae char due to its high AAEMs content.
Article
Energy & Fuels
Bo Wang, Fanfan Xu, Xin Wang, Jun Li, Yongyi Song, Yingyun Qiao, Yuanyu Tian
Summary: The present study provides a comprehensive comparative investigation on the feedstock pyrolysis and char gasification performance of typical forestry biomass from Northeast Asia. The results show that different forestry biomass has similar thermal decomposition characteristics, and the performance of Salicaceae is better than that of Pinaceae in terms of pyrolysis and char gasification.
Article
Engineering, Environmental
Shaoheng Ge, Dezhen Chen, Lijie Yin, Liu Hong, Hongquan Zhou, Zhen Huang
Summary: By reforming the volatile compounds from municipal solid waste (MSW) pyrolysis using high-temperature flue gas and char as the reagents, the energy recovery efficiency of MSW can be improved. This research provides guidance for producing high-quality syngas from MSW.
Article
Engineering, Environmental
Jorge Preciado-Hernandez, Juan Zhang, Isabelle Jones, Mingming Zhu, Zhezi Zhang, Dongke Zhang
Summary: The study investigated the effects of steam activation on pyrolysis char under different conditions, showing that the steam gasification reaction was kinetically controlled. The volumetric model was found to best describe the behavior of the solid-gas gasification reaction rate.
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
(2021)
Article
Engineering, Environmental
Song Qianshi, Wang Xiaohan, Li Haowen, Yang Zixin, Ye Yue, Huo Jiepeng
Summary: The study found that the self-developed char reactivity model accurately predicted the reaction rate of char samples under different gasification temperatures, providing a valuable reference for predicting char gasification reaction rate.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Energy & Fuels
Dikun Hong, Liang Liu, Chunbo Wang, Ting Si, Xin Guo
Summary: An atomistic coal char representation was constructed via ReaxFF MD simulation, investigating the combustion and gasification characteristics of the char. The activation energies obtained for various reactions were in good agreement with experimental data, revealing the generation of large amounts of C2 species during char-H2O gasification.
Article
Chemistry, Applied
Lin Li, Shuai Tong, Lunbo Duan, Changsui Zhao, Zhipeng Shi
Summary: By comparing chars produced under different atmospheres, it was found that the pore structure and specific surface area of chars are significantly affected by the gasification environment, while the presence of chemical groups has a minor impact on the chars. The best gasification reactivities were obtained on the chars produced under 50%CO2/50%N2 and 50%H2O/50%N2 atmospheres, largely influenced by the porosity of the chars.
FUEL PROCESSING TECHNOLOGY
(2021)
Article
Environmental Sciences
Hao Leng, Dongdong Feng, Jianmin Gao, Yu Zhang, Yijun Zhao, Qian Du, Guozhang Chang, Qingjie Guo, Xin Wang, Shaozeng Sun
Summary: This study investigates the interaction between coal char and NO through adjusting the coal char structure with high-temperature/microwave expanding modification. It shows that proper modification parameters can enhance the char-NO reactivity, while microwave modification increases the surface active sites for char-NO interaction.
SCIENCE OF THE TOTAL ENVIRONMENT
(2021)
Article
Energy & Fuels
Zixin Jiao, Li Liu, Yan Zhao, Xiye Chen, Penghua Qiu
Summary: The study evaluated the cogasification reactivity of Shenmu bituminous coal (SM) char and corn straw (CS) char in CO2 and found that increasing the blend ratio of CS and gasification temperature can weaken inhibition and enhance synergy. The addition of CS volatiles, especially potassium (K), can promote the cogasification reaction, with the promotion effect increasing with temperature. The comparison between CS-SM blend char and CS char volatiles-SM char showed different effects on gasification reactivity depending on the presence of alkali and alkaline earth metals.
Article
Thermodynamics
He Yang, Sarma Pisupati, Haoquan Hu
Summary: The study modified a previous model to predict the N2 adsorption specific surface area of high-volatile bituminous char and analyzed the relationship between char surface area change and particle swelling.
PROCEEDINGS OF THE COMBUSTION INSTITUTE
(2021)
Article
Engineering, Environmental
Kagiso Bikane, Jie Yu, Ravi Shankar, Xiangyi Long, Nigel Paterson, Marcos Millan
Summary: This study investigates the gasification kinetics of Morupule coal in atmospheric pressure CO2 and the structural evolution of residual chars. The research shows that gasification reaction rates are high, with little impact on the bulk chemical structure of chars but significant changes in surface chemistry. Residual chars from gasification experiments exhibit lower combustion reactivity compared to chars produced under inert pyrolysis conditions.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Energy & Fuels
Shule Wang, Henry Persson, Weihong Yang, Par Goran Jonsson
Article
Engineering, Environmental
Tong Han, Weihong Yang, Par G. Jonsson
CHEMICAL ENGINEERING JOURNAL
(2020)
Correction
Energy & Fuels
Devy K. Ratnasari, Antonia Horn, Thomas Brunner, Weihong Yang, Par G. Jonsson
Article
Green & Sustainable Science & Technology
Katarzyna Jagodzinska, Ilman Nuran Zaini, Rikard Svanberg, Weihong Yang, Par Goran Jonsson
Summary: This study focuses on the pyrolysis of refuse-derived fuel from excavated waste, identifying different compounds formed at various temperature ranges and highlighting the risks to be considered in the future utilization of these products.
JOURNAL OF CLEANER PRODUCTION
(2021)
Article
Chemistry, Physical
Devy Kartika Ratnasari, Anton Bijl, Weihong Yang, Par Goran Jonsson
Article
Thermodynamics
Ilman Nuran Zaini, Yamid Gomez-Rueda, Cristina Garcia Lopez, Devy Kartika Ratnasari, Lieve Helsen, Thomas Pretz, Par Goran Jonsson, Weihong Yang
Article
Energy & Fuels
Yuming Wen, Shule Wang, Wangzhong Mu, Weihong Yang, Par G. Jonsson
Article
Chemistry, Analytical
Xincheng Lu, Tong Han, Jianchun Jiang, Kang Sun, Yunjuan Sun, Weihong Yang
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2020)
Article
Chemistry, Analytical
Xincheng Lu, Jianchun Jiang, Kang Sun, Yunjuan Sun, Weihong Yang
Summary: The study found that aqueous phase bio-oil (APBO) obtained from hydrothermal treatment combined with pyrolysis of biomass has high antioxidant activity, which is influenced by its chemical composition. Phenolic compounds have a promoting effect on antioxidant activity, while acids have an inhibitory effect, and the substituent structure of phenols also plays a role in antioxidant activity.
JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS
(2021)
Article
Energy & Fuels
Shule Wang, Per Mandfloen, Par Jonsson, Weihong Yang
Summary: Anaerobic digestion is a practical process for recovering energy and materials from sewage sludge, but the land disposal of the derived digestate causes environmental problems. Copyrolysis of sewage sludge digestate and lignocellulosic biomass can produce high-quality oil and biochar. This study investigates the copyrolysis behavior using bench-scale experiments and finds that the interaction between feedstocks can enhance the quality and energy yield of the liquid biofuel.
Article
Environmental Sciences
Yuming Wen, Zhaoran Zheng, Shule Wang, Tong Han, Weihong Yang, Par Goran Jonsson
Summary: A series of magnetic bio-activated carbon (MBAC) has been produced from lignin and ferrous salts through processes such as impregnation, carbonization, and steam activation. The MBAC produced via wet impregnation method with higher steam flow rate showed higher iron content and better dispersion of iron species. The MBAC with the highest maximum phosphorus adsorption capacity demonstrated good potential for domestic wastewater treatment by removing up to 96.97% of total phosphorus from treated domestic wastewater.
Article
Thermodynamics
Yuming Wen, Ilman Nuran Zaini, Shule Wang, Wangzhong Mu, Par Goran Jonsson, Weihong Yang
Summary: This study investigates the pyrolysis of cardboard and polyethylene (PE) as well as their co-pyrolysis using thermogravimetric analysis, finding that the co-pyrolysis can promote the decomposition of cardboard and influence the heat absorption and reaction peak of PE. The research deepens the understanding of the synergistic effect of co-pyrolysis of cardboard and PE, supporting the potential application of pyrolysis of MSW.
Article
Green & Sustainable Science & Technology
Shule Wang, Yuming Wen, Henry Hammarstrom, Par Goran Jonsson, Weihong Yang
Summary: The study found that the hydrothermal carbonization of paper mill sludge (PPMS) resulted in a higher average activation energy for pyrolysis, and the concentration of monocyclic aromatic hydrocarbons in the organic liquid fraction increased with the pyrolysis temperature. The highest yield and highest heating value of the organic liquid fraction were achieved at 550 degrees Celsius, and the pyrolytic chars showed potential for use as a carbon sink.
Article
Green & Sustainable Science & Technology
Christian Aragon-Briceno, Artur Pozarlik, Eddy Bramer, Gerrit Brem, Shule Wang, Yuming Wen, Weihong Yang, Halina Pawlak-Kruczek, Lukasz Niedzwiecki, Agnieszka Urbanowska, Krzysztof Moscicki, Michal Ploszczyca
Summary: Anaerobic digestion is an efficient method for utilizing wet municipal solid waste (MSW) to produce biogas. This study focused on the determination of optimum hydrothermal carbonization (HTC) process conditions to recover water from MSW digestate. Results showed that HTC treatment increased water recovery during the dewatering process compared with the original feedstock. A process model was built, demonstrating a positive energy balance and electrical efficiency.
Article
Thermodynamics
Shule Wang, Hanmin Yang, Ziyi Shi, Ilman Nuran Zaini, Yuming Wen, Jianchun Jiang, Par Goron Jonsson, Weihong Yang
Summary: This study proposes a carbon-negative process for producing high purity hydrogen from organic waste, and evaluates its feasibility in Sweden. The process combines anaerobic digestion, pyrolysis, catalytic reforming, water-gas shift, and pressure swing adsorption technologies. Under optimal operating conditions, the process can produce 72.2 kg H2 and 701.47 kg negative CO2 equivalent emissions from 1 ton of dry organic waste. The techno-economic assessment shows that implementing the process in Stockholm can achieve an internal rate of return of 26% and a discounted payback period of 4.3 years when negative CO2 equivalent emissions are recognized as income.
Article
Engineering, Environmental
Shun-Shun Chen, Xu-Xiu Chen, Tian-Yu Yang, Li Chen, Zheng Guo, Xing-Jiu Huang
Summary: A temperature-modulated sensing strategy was proposed to identify and determine BTEX compounds. Highly effective identification of BTEX was achieved using linear discrimination and convolutional neural network analyses. Additionally, quantitative analysis of concentration was accomplished by establishing the relationship between concentration and response.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Myungkyung Noh, Jeong Yeon Sim, Jisung Kim, Jee Hwan Ahn, Hye-Young Min, Jong-Uk Lee, Jong-Sook Park, Ji Yun Jeong, Jae Young Lee, Shin Yup Lee, Hyo-Jong Lee, Choon-Sik Park, Ho-Young Lee
Summary: This study reveals that chronic exposure to PM induces chronic inflammation and development of COPD by dysregulating NAD+ metabolism and subsequent SIRT1 deficiency in pulmonary macrophages. Activation of SIRT1 by resveratrol effectively mitigates PM-induced inflammation and COPD development. Targeting metabolic and epigenetic reprogramming in macrophages induced by PM is a promising strategy for COPD treatment.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Yu Liu, Linlin Qin, Yiming Qin, Tong Yang, Haoran Lu, Yulong Liu, Qiqi Zhang, Wenyan Liang
Summary: Co/NC/PAC electrode was prepared by compounding ZIF-67 with powder-activated carbon for the electrocatalytic treatment of nitrogen-containing heterocyclic compounds. The degradation efficiency of the four compounds reached 90.2-93.7% under optimal conditions, and the degradation order was pyridazine < pyrimidine < pyrazine < pyridine.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Julien Couturier, Pierre Tamba Oulare, Blanche Collin, Claire Lallemand, Isabelle Kieffer, Julien Longerey, Perrine Chaurand, Jerome Rose, Daniel Borschneck, Bernard Angeletti, Steven Criquet, Renaud Podor, Hamed Pourkhorsandi, Guilhem Arrachart, Clement Levard
Summary: This study analyzes the properties of bauxite residue samples and explores the influence of bauxite ore origin, storage conditions, and storage time. The results show that the speciation of yttrium is related to the origin of bauxite ore, while no significant variation was observed with storage conditions or aging of the residues.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Sakthinarenderan Saikumar, Ravi Mani, Mirunalini Ganesan, Inbakandan Dhinakarasamy, Thavamani Palanisami, Dharani Gopal
Summary: Microplastic contamination in marine ecosystems poses a growing concern due to its trophic transfer and negative effects on marine organisms. This study investigates the transfer and impacts of polystyrene microplastics in an estuarine food chain. The results show that microplastics can be transferred through the food chain, although the transfer rates are low. The exposed organisms exhibit stress responses, suggesting the potential risk of microplastics reaching humans through the food chain.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Review
Engineering, Environmental
Yan-Jiao Li, Ying Yuan, Wen-Bing Tan, Bei-Dou Xi, Hui Wang, Kun-Long Hui, Jia-Bao Chen, Yi-Fan Zhang, Lian-Feng Wang, Ren-Fei Li
Summary: This review investigated and analyzed the distribution, composition, and abundance of heavy metals and antibiotic resistance genes (ARGs) in landfill. The results showed that heavy metals have lasting effects on ARGs, and complexes of heavy metals and organic matter are common in landfill. This study provides a new basis to better understand the horizontal gene transfer (HGT) of ARGs in landfill.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Jessy Joseph, Ari Vaisanen, Ajay B. Patil, Manu Lahtinen
Summary: Efficient and environmentally friendly porous hybrid adsorbent beads have been developed for the removal of arsenic from drinking water. The structural tuning of the adsorbents has been shown to have a significant impact on their adsorption performance, with high crystallinity leading to increased adsorption capacity and selectivity towards As5+.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Yangyang Liu, Minhua Xiao, Kaiqin Huang, Juntao Cui, Hongli Liu, Yingxin Yu, Shengtao Ma, Xihong Liu, Meiqing Lin
Summary: This study measured the levels of phthalate metabolites in breast milk collected from mothers in southern China. The results showed that phthalates are still prevalent in the region, and breastfeeding contributes to phthalate intake in infants. However, the levels detected do not pose significant health risks to infants based on dietary exposure. The increasing exposure to certain phthalates calls for further research into their sources and potential risks.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Zhiqiang Wu, Jianxing Sun, Liting Xu, Hongbo Zhou, Haina Cheng, Zhu Chen, Yuguang Wang, Jichao Yang
Summary: Ocean depth affects microbial diversity, composition, and co-occurrence patterns of microplastic microbial communities. Deterministic processes dominate the assembly of mesopelagic plastisphere microbial communities, while stochastic processes shape the assembly of bathypelagic microbial communities. The relationships between microorganisms in the mesopelagic layer are more complex and stable, with Proteobacteria and Actinobacteriota playing important roles.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Tingting Xiao, Renjie Chen, Chen Cai, Shijie Yuan, Xiaohu Dai, Bin Dong, Zuxin Xu
Summary: Based on the efficiency of catalytic ozonation techniques in enhancing sludge dewaterability, this study investigated its effectiveness in simultaneous reduction of antibiotics and antibiotic resistance genes. The results showed that catalytic ozonation conditioning changed the distribution of antibiotics and achieved high degradation rates. It also significantly reduced the abundance of ARGs, inhibited horizontal gene transfer, and decreased the signal transduction of typical ARGs host bacteria.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Yang Deng, Xiaohong Guan
Summary: This article discusses two different development approaches for ferrate(VI) technology in water treatment, arguing that process integration is a promising method that can drive technological innovation and revolution in water treatment, achieving higher treatment efficiency, reduced costs and energy consumption, and a smaller physical footprint.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Zhe Zhang, Lu Zhang, Zhihao Huang, Yuxin Xu, Qingqing Zhao, Hongju Wang, Meiqing Shi, Xiangnan Li, Kai Jiang, Dapeng Wu
Summary: In this study, a floating catalytic foam was designed and prepared to enhance the mass transfer in immobilized photocatalysts for wastewater treatment. The floating catalytic foam could float on the water surface and establish a temperature gradient, effectively promoting the diffusion and adsorption of target molecules during the photocatalytic process.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Muhammad Nafees, Adiba Khan Sehrish, Sarah Owdah Alomrani, Linlin Qiu, Aasim Saeed, Shoaib Ahmad, Shafaqat Ali, Hongyan Guo
Summary: The accumulation of cadmium and antibiotics in edible plants and fertile soil is a worldwide problem. This study investigated the potential of zinc oxide nanoparticles to alleviate the toxicity of both cadmium and antibiotics and promote spinach growth.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Lurui Wan, Kai Wang, Yuan Chen, Zhiyong Xu, Wenbo Zhao
Summary: In this study, a low viscosity and high thermal stability SO2 absorbent with dual interacting sites was successfully synthesized. The absorbent showed the highest absorption enthalpy change and entropy change values among reported SO2 absorbents, and exhibited lower viscosity and comparable thermal stability to ILs.
JOURNAL OF HAZARDOUS MATERIALS
(2024)
Article
Engineering, Environmental
Zhengwei Zhou, Guojie Ye, Yang Zong, Zhenyu Zhao, Deli Wu
Summary: This study utilized Mo powder and STPP to enhance the performance of the sodium percarbonate system in pollutant degradation. The presence of Mo and STPP resulted in a higher degradation rate of the model pollutant SMX, with low oxidant consumption. The system generated multiple active species through a series of chain reactions at different pH values, exhibiting excellent performance towards electron-rich pollutants. Furthermore, Mo demonstrated excellent stability and reusability.
JOURNAL OF HAZARDOUS MATERIALS
(2024)