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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 chemicalresidue.This 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 wasResults 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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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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Emission factors of gaseous carbonaceous species from residential combustion of coal and crop residue

Qin WANG, Chunmei GENG, Sihua LU, Wentai CHEN, Min SHAO

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 1,   Pages 66-76 doi: 10.1007/s11783-012-0428-5

Abstract: The s from crop residue briquette burning were generally higher than those from coals, with the exceptionwhile C2 unsaturated hydrocarbons were the dominant species (68.9%) emitted from the combustion of crop residueEmissions from the combustion of crop residue briquettes from stoves occurred mainly during the smoldering

Keywords： residential combustion     coal     crop residue briquette     emission factors     gaseous carbonaceous species    

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Environmental, social, and economic assessment of energy utilization of crop residue in China

Yueling ZHANG, Junjie LI, Huan LIU, Guangling ZHAO, Yajun TIAN, Kechang XIE

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 308-319 doi: 10.1007/s11708-020-0696-x

Abstract: The system boundaries include crop residue collection, transportation, pre-treatment, and conversionThe results show that the energy utilization of crop residue has carbon emission factors of 0.09–0.18

Keywords： crop residue     life cycle assessment     life cycle cost     social life cycle assessment     energy production    

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Assessing the potential of crop residue recycling in China and technology options based on a bottom-up

Lili QU,Tianzhu ZHANG,Wei LU

Frontiers of Environmental Science & Engineering 2014, Volume 8, Issue 4,   Pages 570-579 doi: 10.1007/s11783-013-0604-2

Abstract: Taking 2010 as the baseline year, the CRRC model is used to determine the quantity trends of crop residueresources, simulating the recycling potential and selecting key crop residue recycling technologiesThe results illustrate that the total residue output from different crops will gradually increase toThe proportion of crop residue for field burning is expected to decrease as a result of guidance andMarket mechanisms are also improving the development of the crop residue recycling industry.

Keywords： China     crop residue     recycling potential     technology options    

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Porous silica synthesis out of coal fly ash with no residue generation and complete silicon separation

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1712-2

Abstract:

● Both amorphous and crystalline silicon are completely separated from coal fly ash.

Keywords： Coal fly ash     Alkali fusion     Micro-/meso-porous Si     Zeolite MCM-48     Crystalline transformation    

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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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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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Immobilized

Pei MA, Dan ZHANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 498-508 doi: 10.1007/s11783-012-0429-4

Abstract: To investigate the potential use of ( ) residue for Cd adsorption, poly alcohol Na alginate (PVA) was

Keywords： immobilization     Lentinus edodes residue     competitive adsorption     isotherm    

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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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Utilization of nano/micro-size iron recovered from the fine fraction of automobile shredder residue for

Jiwan SINGH, Yoon-Young CHANG, Jae-Kyu YANG, Seon-Hong KANG, Janardhan Reddy KODURU

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0848-8

Abstract: The study investigates the magnetic separation of Fe from automobile shredder residue (ASR) (<0.25 mm

Keywords： Automobile shredder residue (ASR)     Fe     Phenol     Scanning electron microscopy (SEM) and Fourier transform    

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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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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 (TPAOH) as the template in the presence of various amounts of Na , characterized by inductively coupled plasma, X-ray diffraction, scanning electron microscope, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy and ultro-violet-visible spectroscopy and studied in cyclohexanone ammoximation. The characterization results show that with the increase of Na concentration in the synthesis, both the crystal sizes of TS-1and extra framework Ti increase but framework Ti decreases. The addition of Na below 3 mol-% of TPAOH in the synthesis does not influence the catalytic properties with above 98% conversion of cyclohexanone and 99.5% selectivity to cyclohexanone oxime. However, at the concentrations of Na ≥3 mol-% of TPAOH in the synthesis, the catalysts are deactivated faster with the increase of Na addition, which can be attributed to more high molecular weight byproducts deposited in the large TS-1 particles and the loss of the frame-work titanium. The results of this work are of great importance for the industry.

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

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Challenges and Thoughts on the Development of Sodium Battery Technology for Energy Storage

Hu Yingying, Wu Xiangwei, Wen Zhaoyin, Hou Ming, Yi Baolian

Strategic Study of CAE 2021, Volume 23, Issue 5,   Pages 94-102 doi: 10.15302/J-SSCAE-2021.05.013

Abstract: The sodium battery technology is considered as one of the most promising grid-scale energy storage technologiesIn this article, we highlight the technical advantages and application scenarios of typical sodium batterysystems, including sodiumsulfur batteries and sodium-metal chloride batteries.Moreover, we propose the possible development directions of sodium battery technology in China.Furthermore, we suggest supporting the fundamental research and engineering development for sodium batteries

Keywords： electrochemical energy storage     sodium battery     sodium-sulfur battery     sodium-metal chloride battery     ZEBRA    

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Title Author Date Type Operation

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

Zhongguo LI,Wenyi YUAN

Journal Article

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

Jay N. MEEGODA, Wiwat KAMOLPORNWIJIT

Journal Article

Emission factors of gaseous carbonaceous species from residential combustion of coal and crop residue

Qin WANG, Chunmei GENG, Sihua LU, Wentai CHEN, Min SHAO

Journal Article

Environmental, social, and economic assessment of energy utilization of crop residue in China

Yueling ZHANG, Junjie LI, Huan LIU, Guangling ZHAO, Yajun TIAN, Kechang XIE

Journal Article

Assessing the potential of crop residue recycling in China and technology options based on a bottom-up

Lili QU,Tianzhu ZHANG,Wei LU

Journal Article

Porous silica synthesis out of coal fly ash with no residue generation and complete silicon separation

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

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

Journal Article

Immobilized

Pei MA, Dan ZHANG

Journal Article

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

Journal Article

Utilization of nano/micro-size iron recovered from the fine fraction of automobile shredder residue for

Jiwan SINGH, Yoon-Young CHANG, Jae-Kyu YANG, Seon-Hong KANG, Janardhan Reddy KODURU

Journal Article

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

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

Challenges and Thoughts on the Development of Sodium Battery Technology for Energy Storage

Hu Yingying, Wu Xiangwei, Wen Zhaoyin, Hou Ming, Yi Baolian

Journal Article