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Non-thermal plasma enhances performances of biochar in wastewater treatment and energy storage applications

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 4,   Pages 475-483 doi: 10.1007/s11705-021-2070-x

Abstract: In this study, non-thermal plasma was applied for biochar surface carving before being used in contaminantMoreover, to add more functionality to biochar surface, biochar with and without plasma pre-treatmentUsing the same amount of KOH, the plasma treatment resulted in an activated carbon product with the largerguidelines for enhancing the surface functionality and application performances of biochar using non-thermal-based

Keywords： non-thermal plasma     surface functionalization     biochar modification     wastewater treatment     supercapacitor    

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Variation in humic and fulvic acids during thermal sludge treatment assessed by size fractionation, elementary

Yuning YANG,Huan LI,Jinyi LI

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 6,   Pages 854-862 doi: 10.1007/s11783-014-0755-9

Abstract: Thermal pretreatment can be applied to sludge anaerobic digestion or dewatering.To analyze the variation in humic substances during thermal sludge treatment, sludge humic and fulvicacids were extracted before and after 30-min thermal treatment at 180°C, and then their contents, moleculartreatment, but 35% of humic and fulvic acids were dissolved from the sludge solids.sludge treatment.

Keywords： sludge     thermal treatment     humic acids     fulvic acids    

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Occurrence and migration of microplastics and plasticizers in different wastewater and sludge treatmentunits in municipal wastewater treatment plant

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 11, doi: 10.1007/s11783-022-1577-9

Abstract:

● Reduce the quantifying MPs time by using Nile red staining.

Keywords： Microplastics     Municipal wastewater treatment plant     Phthalate esters     Thermal hydrolysis    

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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

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 4,   Pages 815-831 doi: 10.1007/s11705-018-1761-4

Abstract:

This paper analyses factors affecting the production of greenhouse gases from the treatment of residualdecision-making criteria may be later implemented into an optimisation task, which allocates waste treatmentidentify the environmental burdens and credits measured by GWP for the three fundamental methods for treatmentThe three methods are waste-to-energy (WTE), landfilling and mechanical-biological treatment (MBT) with

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

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Thermogravimetric coupled with Fourier transform infrared analysis study on thermal treatment of monopotassium

Yuheng FENG, Xuguang JIANG, Yong CHI, Xiaodong LI, Hongmei ZHU

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 186-192 doi: 10.1007/s11783-011-0322-6

Abstract: Both pyrolysis and combustion runs can be subdivided into three stages: drying, thermal decompositionThe average weight loss rate during fast thermal decomposition stage in pyrolysis is higher than combustion

Keywords： hazardous waste     combustion     pyrolysis     thermogravimetric coupled with Fourier transform infrared analysis (TG-FTIR)     monopotassium phosphate residue    

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Experimental study on low temperature thermal treatment of polychlorinated dibenzo-p-dioxins and dibenzofurans

YAN Jianhua, CHEN Tong, LU Shengyong, LI Xiaodong, GU Yueling, CEN Kefa

Frontiers in Energy 2007, Volume 1, Issue 3,   Pages 280-284 doi: 10.1007/s11708-007-0039-1

Abstract: The effects of temperature and time on polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/Fs) distribution in fly ash of a municipal solid waste incinerator (MSWI) were studied in a tubular oven under nitrogen atmosphere. The PCDD/Fs in the gas phase and solid phase were detected by high-resolution gas chromatography coupled with low resolution mass spectrometry (HRGC/LRMS) se para tely. The experimental results showed that the major congener was octa-chlorinated dibenzo--dioxin (OCDD) in the gas phase and the low chlorinated congeners were the major products in the solid phase. There were high levels of OCDD in the gas phase in several experimental conditions although the PCDD/Fs in the solid phase could be decomposed. The optimum condition for PCDD/Fs decomposition in fly ash was a heating time of 60 min at 400 vH under nitrogen atmosphere.

Keywords： congener     polychlorinated     temperature     chromatography     high-resolution    

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Submerged arc plasma system combined with ozone oxidation for the treatment of wastewater containing

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-020-1384-0

Abstract:

• Submerged arc plasma was introduced in terms of wastewater treatment

Keywords： Thermal plasma     Submerged arc plasma     Wastewater     Ozone     Phenol     Highly energetic electron    

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Cu/Cr co-stabilization mechanisms in a simulated AlO-FeO-CrO-CuO waste system

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1408-4

Abstract:

• Cu and Cr can be mostly incorporated into CuFexAlyCr2−x−yO4 with a spinel structure.

Keywords： Spinel structure     Copper     Chromium     Co-stabilization     Thermal treatment    

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Thermal Hydrolysis of Wastewater Sludge Followed by Fungal Fermentation for Organic Recovery and Hyphae Article

Jia-jin Liang, Bing Li, Lei Wen, Ruo-hong Li, Xiao-yan Li

Engineering 2021, Volume 7, Issue 2,   Pages 203-211 doi: 10.1016/j.eng.2020.09.002

Abstract: This study developed a three-phase innovative strategy for sludge treatment and reduction, includingthermal hydrolysis, fungal fermentation, and anaerobic digestion.Increasing the temperature during the treatment from 140 to 180 °C significantly improved the sludgeAfter two cycles of thermal hydrolysis, the overall volatile solid (VS) reduction ratios of the sludgewere 36.6%, 47.7%, and 58.5% for treatment at 140, 160, and 180 °C, respectively, and the total

Keywords： Wastewater sludge     Thermal hydrolysis     Fungal fermentation     Hyphae fibers     Anaerobic digestion     Sludgetreatment    

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Chromium steel from chromite ore processing residue----A valuable construction material from a waste

Jay N. MEEGODA, Wiwat KAMOLPORNWIJIT

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 159-166 doi: 10.1007/s11783-011-0325-3

Abstract: As species we humans generate excessive amounts of waste and hence for sustainability we should explore innovative ways to recover them. The primary objective of this study is to demonstrate an efficient and optimum way to recover chromium and iron from chromite ore processing residues (COPR) for the production of chrome steel and stainless steel. In Hudson County, New Jersey, there are more than two million tons of leftover COPR. Part of COPR was used as fill materials for construction sites, which spread the problem to a larger area. With high solubility along with their toxicity leached chromate from COPR is threatening the environment as well as human health. In this research, COPR was thermally treated to recover iron with chromium by applying techniques used in steel manufacturing. An extensive experimental program was performed using a Thermo-Gravimetric Analyzer (TGA) and bench scale tests to thermally treat the processed chromium contaminated soils with carbon and sand at varying temperatures and under reducing environment. The optimum chemical composition of COPR and additives to be used in the melts were evaluated based upon the thermodynamic properties of the mixture to ensure good phase separation, least amounts of iron and chromium oxides in the slag and minimum variability of final product (steel or iron with chromium). The impact of other oxides on the steel making process was evaluated to minimize the adverse impact on the process. The research demonstrated the feasibility of recovering a valuable construction material (chrome steel) from a waste (COPR).

Keywords： chromite ore processing residue     chromium steel     reduction     thermal treatment     beneficial use    

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Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics

Jinya KATSUYAMA, Shumpei UNO, Tadashi WATANABE, Yinsheng LI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 563-570 doi: 10.1007/s11465-018-0487-9

Abstract:

The thermal hydraulic (TH) behavior of coo-lant water is a key factor in the structural integrityassessments on reactor pressure vessels (RPVs) of pressurized water reactors (PWRs) under pressurized thermalanalysis with different operator action times, we also performed structural analyses for evaluating thermal-stress

Keywords： structural integrity     reactor pressure vessel     pressurized thermal shock     thermal hydraulic analysis     pressurized    

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Assessment indices for uniform and non-uniform thermal environments

ZHANG Yufeng, SUN Shufeng, ZHAO Rongyi

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 129-133 doi: 10.1007/s11708-008-0029-y

Abstract: Different assessment indices for thermal environments were compared and selected for proper assessmentof indoor thermal environments. 30 subjects reported their overall thermal sensation, thermal comfort, and thermal acceptability in uniform and non-uniform conditions.However, overall thermal sensation differs from the other two indices and cannot be used as a proper

Keywords： thermal sensation     proper assessment     relationship     equivalent     thermal acceptability    

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Liquid metal thermal hydraulics R&D at European scale: achievements and prospects

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 842-853 doi: 10.1007/s11708-021-0743-2

Abstract: Commission in the past 20 years in the fields of liquid-metal heat transfer modeling, fuel assembly and core thermalhydraulics, pool and system thermal hydraulics, and establishment of best practice guidelines and verificationanalysis of the consequences of fuel assembly blockages on coolant flow and temperature, analysis of the thermalhydraulic effects in deformed fuel assemblies, extended validation of three-dimensional pool thermalhydraulic CFD models, and further development and validation of multi-scale system thermal hydraulic

Keywords： liquid metal     thermal hydraulics     Europe    

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Coupling evaluation for material removal and thermal control on precision milling machine tools

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 12-12 doi: 10.1007/s11465-021-0668-9

Abstract: material removal (MR) energy as useful energy consumption and ignored the useful energy consumed by thermalcontrol (TC) for maintaining internal thermal stability and machining accuracy.

Keywords： machine tools     cutting energy efficiency     thermal stability     machining accuracy     coupling evaluation    

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An autonomous system for thermal convection of viscoelastic fluids in a porous layer using a thermal

Qi WEI, Xiaohui ZHANG

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 507-516 doi: 10.1007/s11708-010-0017-x

Abstract: Thermal convection of viscoelastic fluids saturating a horizontal porous layer heated from below is analyzedusing a thermal nonequilibrium model to take account of the interphase heat transfer between the fluidThe effects of interphase heat transfer on the thermal convection of viscoelastic fluids in a porous

Keywords： thermal convection     porous media     viscoelastic fluid     thermal nonequilibrium model    

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Title Author Date Type Operation

Non-thermal plasma enhances performances of biochar in wastewater treatment and energy storage applications

Journal Article

Variation in humic and fulvic acids during thermal sludge treatment assessed by size fractionation, elementary

Yuning YANG,Huan LI,Jinyi LI

Journal Article

Occurrence and migration of microplastics and plasticizers in different wastewater and sludge treatmentunits in municipal wastewater treatment plant

Journal Article

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

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

Journal Article

Thermogravimetric coupled with Fourier transform infrared analysis study on thermal treatment of monopotassium

Yuheng FENG, Xuguang JIANG, Yong CHI, Xiaodong LI, Hongmei ZHU

Journal Article

Experimental study on low temperature thermal treatment of polychlorinated dibenzo-p-dioxins and dibenzofurans

YAN Jianhua, CHEN Tong, LU Shengyong, LI Xiaodong, GU Yueling, CEN Kefa

Journal Article

Submerged arc plasma system combined with ozone oxidation for the treatment of wastewater containing

Journal Article

Cu/Cr co-stabilization mechanisms in a simulated AlO-FeO-CrO-CuO waste system

Journal Article

Thermal Hydrolysis of Wastewater Sludge Followed by Fungal Fermentation for Organic Recovery and Hyphae

Jia-jin Liang, Bing Li, Lei Wen, Ruo-hong Li, Xiao-yan Li

Journal Article

Chromium steel from chromite ore processing residue----A valuable construction material from a waste

Jay N. MEEGODA, Wiwat KAMOLPORNWIJIT

Journal Article

Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics

Jinya KATSUYAMA, Shumpei UNO, Tadashi WATANABE, Yinsheng LI

Journal Article

Assessment indices for uniform and non-uniform thermal environments

ZHANG Yufeng, SUN Shufeng, ZHAO Rongyi

Journal Article

Liquid metal thermal hydraulics R&D at European scale: achievements and prospects

Journal Article

Coupling evaluation for material removal and thermal control on precision milling machine tools

Journal Article

An autonomous system for thermal convection of viscoelastic fluids in a porous layer using a thermal

Qi WEI, Xiaohui ZHANG

Journal Article