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Effects of a diesel oxidation catalyst on gaseous pollutants and fine particles from an engine operating on diesel and biodiesel

Xiaoyan SHI, Kebin HE, Weiwei SONG, Xingtong WANG, Jihua TAN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 463-469 doi: 10.1007/s11783-011-0317-3

Abstract: Special attention was focused on the effects of the DOC on elemental carbon (EC) and organic carbon (The results showed that total carbon (TC), OC and EC emissions for PM from diesel fuel were generallyThe decrease in TC was attributed to 35%–97% decrease in OC and 3%–65% decrease in EC emissions.At low load, a significant increase in the OC/EC ratio of PM was observed after the DOC.At low load, a slight increase in EC emissions and a significant decrease in OC/EC ratio of PM after

Keywords： diesel oxidation catalyst (DOC)     diesel particulate matters     elemental carbon (EC)     organic carbon (OC)    

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Performance of activated carbon coated graphite bipolar electrodes on capacitive deionization method

Hossein D. Atoufi, Hasti Hasheminejad, David J. Lampert

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1278-1

Abstract: . • Activated carbon Coating improves the application of the electrodes. • CDI is an environmentallywere performed with a pair of graphite bipolar electrodes that were coated with a one-gram activated carbon

Keywords： Capacitive deionization (CDI)     Desalination     Electrical conductivity (EC)     Graphite bipolar electrode     Activatedcarbon coated (ACC)    

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Predicting the elemental compositions of solid waste using ATR-FTIR and machine learning

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 10, doi: 10.1007/s11783-023-1721-1

Abstract:

● A method based on ATR-FTIR and ML was developed to predict CHNS contents in waste.

Keywords： Elemental composition     Infrared spectroscopy     Machine learning     Moisture interference     Solid waste     Spectral    

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Removal of elemental mercury by KI-impregnated clay

Boxiong SHEN,Jianhong CHEN,Ji CAI

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 2,   Pages 236-243 doi: 10.1007/s11783-014-0765-7

Abstract: This study described the use of clay impregnated by KI in gas phase elemental mercury (Hg ) removal inThe KI-clay demonstrated to be a potential adsorbent for Hg removal when compared with activated carbon

Keywords： clay     elemental mercury     removal efficiency     potassium iodide     mechanism    

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Removal of elemental mercury with Mn/Mo/Ru/Al

Yongfu GUO, Naiqiang YAN, Ping LIU, Shijian YANG, Juan WANG, Zan QU

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 464-473 doi: 10.1007/s11783-012-0430-y

Abstract: In this work, a catalytic membrane using Mn/Mo/Ru/Al O as the catalyst was employed to remove elemental

Keywords： flue gas     elemental mercury     membrane     catalysis     transition metal    

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Recent advances toward high voltage, EC-free electrolytes for graphite-based Li-ion battery

Tong Zhang, Elie Paillard

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 577-591 doi: 10.1007/s11705-018-1758-z

Abstract: operating above the anodic stability of state-of-the-art electrolytes based on ethylene carbonate (ECEC, however, is a crucial component of electrolytes, due to its excellent ability to allow graphite anodeThus, we review here the high voltage, EC-free alternative electrolytes, focusing on those allowing the

Keywords： lithium-ion     electrolyte     solid electrolyte interphase     additives     high voltage     graphite    

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Rapid alloying of CoCrFeMnNi high-entropy alloy from elemental feedstock toward high-throughput synthesis

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0727-x

Abstract: powder bed fusion (L-PBF) is adopted for the in situ synthesis of equiatomic CoCrFeMnNi HEA from elementalX-ray diffraction indicates that HEA microstructure can be obtained from elemental powders via L-PBF.

Keywords： laser powder bed fusion (L-PBF)     in situ alloying     high-entropy alloys     heat treatment     rapid synthesis    

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Mercury enrichment in

Chunhao Dai, Pufeng Qin, Zhangwei Wang, Jian Chen, Xianshan Zhang, Si Luo

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 1, doi: 10.1007/s11783-017-0892-z

Abstract: Mercury enrichment in response to elevated atmospheric mercury concentrations in the organs of rape ( ) was investigated. Elevated soil mercury content had significant impact on mercury accumulation in rape stems, roots, seeds and seed coats. Leaf mercury in the leaves was mostly affected by atmospheric input while the stems were mostly affected by soil concentrations. Mercury in the aboveground plant tissue mainly derived from atmospheric absorption, and atmospheric mercury absorption in leaves was higher than that in the stems. Mercury enrichment in response to elevated atmospheric mercury concentrations in the organs of rape ( ) was investigated using an open top chamber fumigation experiment and a soil mercury enriched cultivation experiment. Results indicate that the mercury concentration in leaves and stems showed a significant variation under different concentrations of mercury in atmospheric and soil experiments while the concentration of mercury in roots, seeds and seed coats showed no significant variation under different atmospheric mercury concentrations. Using the function relation established by the experiment, results for atmospheric mercury sources in rape field biomass showed that atmospheric sources accounted for at least 81.81% of mercury in rape leaves and 32.29% of mercury in the stems. Therefore, mercury in the aboveground biomass predominantly derives from the absorption of atmospheric mercury.

Keywords： Open top chamber     Gaseous elemental mercury (GEM)     Soil Mercury     Brassica napus    

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Exposure-response of Cr(III)-organic complexes to Saccharomyces cerevisiae

Nivedita CHATTERJEE, Zejiao LUO,

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 2,   Pages 196-202 doi: 10.1007/s11783-010-0008-5

Abstract: Hexavalent chromium [Cr(VI)] bioreduction produces soluble Cr(III)-organic complexes. The Cr(III)-organic complexes are relatively stable once they are formed, and no data about their toxicity were reported. Therefore, this study aims to investigate the bioavailability and toxicity of the soluble Cr(III)-organic complexes. L-1 wild type yeast strain was chosen as the model organism and Cr(III)-citrate was selected as the representative compound of the Cr(III)-organic complexes. The short-term chronic aquatic toxicity tests of the Cr(III)-citrate was explored by measuring growth inhibition, direct viable cell count, dry biomass, biosorption, and the amount of CO production. Cr(III)-citrate exerted a toxicity of 51mg/L with an , which was calculated from the percent growth inhibition. These toxicity data would be helpful to define the toxic potential of the organo-chromium-III compounds in the environment.

Keywords： Cr(III)-organic complexes     Saccharomyces cerevisiae     toxicity     EC50     bioavailability    

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Relationship between electricity consumption and economic growth of Guangdong Province in China

Lianhong LV, Hong LUO, Baoliu ZHANG

Frontiers in Energy 2012, Volume 6, Issue 4,   Pages 351-355 doi: 10.1007/s11708-012-0209-7

Abstract: Guangdong is a province with the most electricity consumption (EC) and the fastest economic growth inmethod of granger causality test and co-integration test is used to analyze the relationship between ECThe results indicate that there is unidirectional causality between the economic growth and the EC, andThere has been a long-term stable equilibrium relationship between the EC and the economic growth.The long-term marginal utility of the EC is more than 1.

Keywords： co-integration     granger causality     electricity consumption (EC)     economic growth    

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New insights into mercury removal mechanism on CeO

Ling Li, Yu He, Xia Lu

Frontiers of Environmental Science & Engineering 2018, Volume 12, Issue 2, doi: 10.1007/s11783-018-1007-1

Abstract: First-principles calculations were performed to investigate the mechanism of Hg adsorption and oxidation on CeO (111). Surface oxygen activated by the reduction of Ce to Ce was vital to Hg adsorption and oxidation processes. Hg was fully oxidized by the surface lattice oxygen on CeO (111), without using any other oxidizing agents. HCl could dissociate and react with the Hg adatom on CeO (111) to form adsorbed Hg–Cl or Cl–Hg–Cl groups, which promoted the desorption of oxidized Hg and prevented CeO catalyst deactivation. In contrast, O–H and H–O–H groups formed during HCl adsorption consumed the active surface oxygen and prohibited Hg oxidation. The consumed surface oxygen was replenished by adding O into the flue gas. We proposed that oxidized Hg desorption and maintenance of sufficient active surface oxygen were the rate-determining steps of Hg removal on CeO -based catalysts. We believe that our thorough understanding and new insights into the mechanism of the Hg removal process will help provide guidelines for developing novel CeO -based catalysts and enhance the Hg removal efficiency.

Keywords： Elemental mercury removal     Surface adsorption     Ceria     First-principles calculations    

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Comparison and analysis of energy consumption of energy-efficient office buildings in different climate regions in China: case studies

Ke ZHANG, Neng ZHU

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 399-405 doi: 10.1007/s11708-013-0260-z

Abstract: The purpose of this paper is to analyze the energy consumption (EC) and find out the determining factorsBesides, the outdoor climate can change the EC of air conditioning/heating systems, and further determinethe monthly volatility of the total EC of the whole building.

Keywords： energy-efficient building     breakdown energy consumption (EC)     energy consumption index (ECI)     different    

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Synthesis and thermosensitive behavior of dextran graft copolymers containing poly (N-vinylcaprolactam) side chains

SHI Huangying, CHEN Wenjuan, ZHANG Liming

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 1,   Pages 72-75 doi: 10.1007/s11705-007-0015-7

Abstract: Their composition and structure were investigated by elemental analyses, infrared spectra and thermogravimetric

Keywords： transmittance     copolymer concentration     LCST     temperature     elemental    

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Characterization of humic substances in bio-treated municipal solid waste landfill leachate

Guangxia QI, Dongbei YUE, Yongfeng NIE

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 711-716 doi: 10.1007/s11783-012-0421-z

Abstract: this study, the HSs from landfill leachate treated by membrane bioreactor (MBR-HSs) were analyzed via elementalCompared with commercial HSs, MBR-HSs had lower carbon content [48.14% for fulvic acids (FA) and 49.52%and 6.16% for HA), lower aromatic structure content, and higher carbohydrate and carboxylic atoms of carbonThe aromatic carbon content of MBR-HSs was lower than that of humus-derived HSs but higher than that

Keywords： bio-treated landfill leachate     humic substances     elemental analysis     spectroscopic characteristics    

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AGRICULTURAL GREEN DEVELOPMENT TO ACHIEVE FOOD SECURITY AND CARBON REDUCTION IN THE CONTEXT OF CHINA’S DUAL CARBON GOALS

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 2,   Pages 262-267 doi: 10.15302/J-FASE-2023496

Abstract:

● To achieve food security, Chinese agriculture– food system could not achieve C neutrality.

Keywords： agriculture     carbon neutrality     carbon peak     food security     carbon mitigation strategies    

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Title Author Date Type Operation

Effects of a diesel oxidation catalyst on gaseous pollutants and fine particles from an engine operating on diesel and biodiesel

Xiaoyan SHI, Kebin HE, Weiwei SONG, Xingtong WANG, Jihua TAN

Journal Article

Performance of activated carbon coated graphite bipolar electrodes on capacitive deionization method

Hossein D. Atoufi, Hasti Hasheminejad, David J. Lampert

Journal Article

Predicting the elemental compositions of solid waste using ATR-FTIR and machine learning

Journal Article

Removal of elemental mercury by KI-impregnated clay

Boxiong SHEN,Jianhong CHEN,Ji CAI

Journal Article

Removal of elemental mercury with Mn/Mo/Ru/Al

Yongfu GUO, Naiqiang YAN, Ping LIU, Shijian YANG, Juan WANG, Zan QU

Journal Article

Recent advances toward high voltage, EC-free electrolytes for graphite-based Li-ion battery

Tong Zhang, Elie Paillard

Journal Article

Rapid alloying of CoCrFeMnNi high-entropy alloy from elemental feedstock toward high-throughput synthesis

Journal Article

Mercury enrichment in

Chunhao Dai, Pufeng Qin, Zhangwei Wang, Jian Chen, Xianshan Zhang, Si Luo

Journal Article

Exposure-response of Cr(III)-organic complexes to Saccharomyces cerevisiae

Nivedita CHATTERJEE, Zejiao LUO,

Journal Article

Relationship between electricity consumption and economic growth of Guangdong Province in China

Lianhong LV, Hong LUO, Baoliu ZHANG

Journal Article

New insights into mercury removal mechanism on CeO

Ling Li, Yu He, Xia Lu

Journal Article

Comparison and analysis of energy consumption of energy-efficient office buildings in different climate regions in China: case studies

Ke ZHANG, Neng ZHU

Journal Article

Synthesis and thermosensitive behavior of dextran graft copolymers containing poly (N-vinylcaprolactam) side chains

SHI Huangying, CHEN Wenjuan, ZHANG Liming

Journal Article

Characterization of humic substances in bio-treated municipal solid waste landfill leachate

Guangxia QI, Dongbei YUE, Yongfeng NIE

Journal Article

AGRICULTURAL GREEN DEVELOPMENT TO ACHIEVE FOOD SECURITY AND CARBON REDUCTION IN THE CONTEXT OF CHINA’S DUAL CARBON GOALS

Journal Article