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Thermal defluorination behaviors of PFOS, PFOA and PFBS during regeneration of activated carbon by molten salt

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 8, doi: 10.1007/s11783-022-1524-9

Abstract:

• New method of mineralizing PFCs was proposed.

Keywords： PFCs     Molten sodium hydroxide     Thermal degradation     Activated carbon regeneration    

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Resistance to acid degradation, sorptivity, and setting time of geopolymer mortars

Osama A MOHAMED; Rania AL-KHATTAB; Waddah AL-HAWAT

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 6,   Pages 781-791 doi: 10.1007/s11709-022-0862-9

Abstract: Mortar sorptivity decreased with age and sodium hydroxide concentrations, suggesting the production of

Keywords： alkali-activated materials     fly ash     sorptivity     durability of concrete     sodium hydroxide     sodium silicates    

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ALKALINE PRETREATMENT AND AIR MIXING FOR IMPROVEMENT OF METHANE PRODUCTION FROM ANAEROBIC CO-DIGESTION OF POULTRY LITTER WITH WHEAT STRAW

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 424-436 doi: 10.15302/J-FASE-2023506

Abstract:

● Integration of alkaline pretreatment and air mixing for co-digestion was validated.

Keywords： sodium hydroxide     air injection     cumulative methane yield     kinetic modeling analysis     digestate    

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Alkali-thermal gasification and hydrogen generation potential of biomass

Alexander B. Koven, Shitang S. Tong, Ramin R. Farnood, Charles Q. Jia

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 369-378 doi: 10.1007/s11705-017-1662-y

Abstract: Generating hydrogen gas from biomass is one approach to lowering dependencies on fossil fuels for energy and chemical feedstock, as well as reducing greenhouse gas emissions. Using both equilibrium simulations and batch experiments with NaOH as a model alkaline, this study established the technical feasibility of converting various biomasses (e.g., glucose, cellulose, xylan and lignin) into H -rich gas via catalyst-free, alkali-thermal gasification at moderate temperatures (as low as 300 °C). This process could produce more H with less carbon-containing gases in the product than other comparable methods. It was shown that alkali-thermal gasification follows , with carbonate being the solid product which is different from the one suggested in the literature. Moreover, the concept of hydrogen generation potential (H -GP)—the maximum amount of H that a biomass can yield, was introduced. For a given biomass C H O , the H -GP would be moles of H . It was demonstrated experimentally that the H -GP was achievable by adjusting the amounts of H O and NaOH, temperature and pressure.

Keywords： hydrogen generation potential     biomass     lignocellulose     alkali-thermal gasification     sodium hydroxide    

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Synthesis and characterization of magnesium hydroxide by batch reaction crystallization

Xingfu SONG, Shuying SUN, Dengke ZHANG, Jin WANG, Jianguo YU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 416-421 doi: 10.1007/s11705-011-1125-9

Abstract: Magnesium hydroxide with high purity and uniform particle size distribution was synthesized by the directThe particle size distribution, crystal phase, morphology, and surface area of magnesium hydroxide weretemperature had important effects on water content and the particle size distribution of the product, and sodiumchloride improved the crystallization behavior of magnesium hydroxide.and mild synthesis method was promising to be scaled up for the industrial production of magnesium hydroxide

Keywords： magnesium hydroxide     direct precipitation method     industrial crystallization     particle size distribution    

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Alumina modified sodium vanadate cathode for aqueous zinc-ion batteries

Frontiers in Energy   Pages 775-781 doi: 10.1007/s11708-023-0902-8

Abstract: Therefore, sodium vanadate Na2V6O16·3H2O (NVO) was chosen

Keywords： cathodes     aqueous zinc-ion batteries     sodium vanadate     alumina     coating    

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Construction of sustainable, colored and multifunctional protein silk fabric using biomass riboflavin sodium

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1131-1139 doi: 10.1007/s11705-023-2321-0

Abstract: Riboflavin sodium phosphate has been confirmed as a promising biomass product derived from natural plantsnovel method of dyeing and multifunctional modification of silk fabric by impregnation with riboflavin sodiumThe results of this paper confirmed that the pH and concentration of riboflavin sodium phosphate solutionThe damaged length of modified silk fabric with 40% owf riboflavin sodium phosphate was lower than 10.4As revealed by the result of this paper, riboflavin sodium phosphate is sufficiently effective in serving

Keywords： biomass     riboflavin sodium phosphate     silk protein     multifunctional modification     flame retardant    

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Noble-metal-free cobalt hydroxide nanosheets for efficient electrocatalytic oxidation

Jie Lan, Daizong Qi, Jie Song, Peng Liu, Yi Liu, Yun-Xiang Pan

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 6,   Pages 948-955 doi: 10.1007/s11705-020-1920-2

Abstract: Cobalt hydroxide has been emerging as a promising catalyst for the electrocatalytic oxidation reactionsHerein, we prepared cobalt hydroxide nanoparticles (CoHP) and cobalt hydroxide nanosheets (CoHS) on nickel

Keywords： electrocatalytic oxidation     cobalt hydroxide     nanosheet     water     glucose    

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Hierarchically porous cellulose nanofibril aerogel decorated with polypyrrole and nickel-cobalt layered double hydroxide

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 10,   Pages 1593-1607 doi: 10.1007/s11705-023-2348-2

Abstract: to integrate highly conductive polypyrrole and active nanoflower-like nickel-cobalt layered double hydroxide

Keywords： cellulose nanofibril     aerogel     nickel-cobalt layered double hydroxide     polypyrrole     nonenzymatic glucose    

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Preliminary design of an SCO conversion system applied to the sodium cooled fast reactor

Frontiers in Energy 2021, Volume 15, Issue 4,   Pages 832-841 doi: 10.1007/s11708-021-0777-5

Abstract: supercritical carbon dioxide (SCO2) Brayton cycle has become an ideal power conversion system for sodium-cooledfast reactors (SFR) due to its high efficiency, compactness, and avoidance of sodium-water reaction.the 1200 MWe large pool SFR (CFR1200) is used as the heat source of the system, and the sodiumflowrate in the SCO2 power conversion system is adjusted with the goal of maintaining the sodium-carbondioxide heat exchanger sodium side outlet temperature unchanged, the inter-stage cooling recompression

Keywords： sodium-cooled fast reactor (SFR)     supercritical carbon dioxide (SCO2)     brayton cycle     load    

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Toxic effect of sodium perfluorononyloxy-benzenesulfonate on in aerobic denitrification, cell structure

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1391-9

Abstract:

• OBS inhibited the growth of P. stutzeri and destroyed its structure.

Keywords： Sodium perfluorononyloxy-benzenesulfonate     Aerobic denitrification     Pseudomonas stutzeri     Ecotoxicity    

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Formation of disinfection by-products during sodium hypochlorite cleaning of fouled membranes from membrane

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 5, doi: 10.1007/s11783-021-1389-3

Abstract:

•HAAs was dominant among the DBPs of interest.

Keywords： MBR     Biofouling     EPS     Chemical cleaning     DBPs     CLSM    

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Industrial waste utilization method: producing poly-ferric sulfate (PFS) from sodium-jarosite residue

Zhongguo LI,Wenyi YUAN

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 4,   Pages 731-737 doi: 10.1007/s11783-014-0687-4

Abstract: Sodium-jarosite is a type of industrial waste that results from hydrometallurgy and inorganic chemicalThis paper proposes a novel method for disposing sodium-jarosite which can be used to synthesize PFS,concentrated sulfuric acid consumption was 0.8 mL·g sodium-jarosite and the leaching temperature wasIn the experiment, decomposing iron from sulfate sodium-jarosite can take the place of ferric martialsResults show that the PFS synthesized from sodium-jarosite had a high poly-iron complex Fe (SO ) (OH)

Keywords： sodium-jarosite residue     utilization     poly-ferric sulfate (PFS)    

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Layered double hydroxide-based core-shell nanoarrays for efficient electrochemical water splitting

Wenfu Xie, Zhenhua Li, Mingfei Shao, Min Wei

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 3,   Pages 537-554 doi: 10.1007/s11705-018-1719-6

Abstract: Recently, layered double hydroxide (LDH)-based materials have gained increasing attentions as promising

Keywords： layered double hydroxides (LDHs)     core-shell nanoarrays     oxygen evolution reaction (OER)     hydrogen evolution reaction (HER)     photoelectrochemical water splitting (PEC)    

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Effect of sodium ions in synthesis of titanium silicalite-1 on its catalytic performance for cyclohexanone

Pengxu YAO,Yaquan WANG,Teng ZHANG,Shuhai WANG,Xiaoxue WU

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 2,   Pages 149-155 doi: 10.1007/s11705-014-1409-y

Abstract: Titanium silicalite-1 (TS-1) has been hydrothermally synthesized with tetrapropylammonium hydroxide (

Keywords： extra framework Ti     cyclohexanone ammoximation     titanium silicalite-1     sodium ion     crystal size    

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Title Author Date Type Operation

Thermal defluorination behaviors of PFOS, PFOA and PFBS during regeneration of activated carbon by molten salt

Journal Article

Resistance to acid degradation, sorptivity, and setting time of geopolymer mortars

Osama A MOHAMED; Rania AL-KHATTAB; Waddah AL-HAWAT

Journal Article

ALKALINE PRETREATMENT AND AIR MIXING FOR IMPROVEMENT OF METHANE PRODUCTION FROM ANAEROBIC CO-DIGESTION OF POULTRY LITTER WITH WHEAT STRAW

Journal Article

Alkali-thermal gasification and hydrogen generation potential of biomass

Alexander B. Koven, Shitang S. Tong, Ramin R. Farnood, Charles Q. Jia

Journal Article

Synthesis and characterization of magnesium hydroxide by batch reaction crystallization

Xingfu SONG, Shuying SUN, Dengke ZHANG, Jin WANG, Jianguo YU

Journal Article

Alumina modified sodium vanadate cathode for aqueous zinc-ion batteries

Journal Article

Construction of sustainable, colored and multifunctional protein silk fabric using biomass riboflavin sodium

Journal Article

Noble-metal-free cobalt hydroxide nanosheets for efficient electrocatalytic oxidation

Jie Lan, Daizong Qi, Jie Song, Peng Liu, Yi Liu, Yun-Xiang Pan

Journal Article

Hierarchically porous cellulose nanofibril aerogel decorated with polypyrrole and nickel-cobalt layered double hydroxide

Journal Article

Preliminary design of an SCO conversion system applied to the sodium cooled fast reactor

Journal Article

Toxic effect of sodium perfluorononyloxy-benzenesulfonate on in aerobic denitrification, cell structure

Journal Article

Formation of disinfection by-products during sodium hypochlorite cleaning of fouled membranes from membrane

Journal Article

Industrial waste utilization method: producing poly-ferric sulfate (PFS) from sodium-jarosite residue

Zhongguo LI,Wenyi YUAN

Journal Article

Layered double hydroxide-based core-shell nanoarrays for efficient electrochemical water splitting

Wenfu Xie, Zhenhua Li, Mingfei Shao, Min Wei

Journal Article

Effect of sodium ions in synthesis of titanium silicalite-1 on its catalytic performance for cyclohexanone

Pengxu YAO,Yaquan WANG,Teng ZHANG,Shuhai WANG,Xiaoxue WU

Journal Article