ORCID Profile
0000-0003-4113-9298
Current Organisations
Beijing University of Chemical Technology
,
Elsevier Ltd
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Publisher: Elsevier BV
Date: 28-09-2002
Publisher: Elsevier BV
Date: 04-1999
Publisher: Informa UK Limited
Date: 31-03-2001
DOI: 10.1081/SS-100102947
Publisher: Elsevier BV
Date: 2017
Publisher: Informa UK Limited
Date: 26-08-2015
Publisher: Elsevier BV
Date: 07-2017
DOI: 10.1016/J.JENVMAN.2017.03.080
Abstract: Nano zero-valent iron (NZVI) particles have been extensively investigated for nitrate reduction in water. However, the reduction by NZVI requires acidic pH conditions and the final product is exclusively ammonium, leading to secondary contamination. In addition, nanomaterials have potential threats to environment and the transport and storage of nanomaterials are of safety concerns. Aluminum, the most abundant metal element in the earth's crust, is able to reduce nitrate, but the passivation of aluminum limits its application. Here we report Al alloys (85% Al) with Fe, Cu or Si for aqueous nitrate reduction. The Al alloys particles of 0.85-0.08 mm were inactivate under ambient conditions and a simple treatment with warm water (45 °C) quickly activated the alloy particles for rapid reduction of nitrate. The Al-Fe alloy particles at a dosage of 5 g/L rapidly reduced 50 mg-N/L nitrate at a reaction rate constant (k) of 3.2 ± 0.1 (mg-N/L)
Publisher: Elsevier BV
Date: 05-2002
Publisher: Elsevier BV
Date: 05-2021
Publisher: Elsevier BV
Date: 07-2017
Publisher: Elsevier BV
Date: 10-1995
Publisher: Wiley
Date: 13-10-2011
Publisher: Elsevier BV
Date: 06-2016
Publisher: MDPI AG
Date: 30-10-2020
DOI: 10.3390/MEMBRANES10110321
Abstract: Removal of naturally occurring strontium (Sr) from groundwater is vital as excessive exposure may lead to bone growth problems in children. Nanofiltration/reverse osmosis (NF/RO) is commonly used in groundwater treatment due to the high effectiveness and simple maintenance of these pressure driven membrane processes. In this research, a pilot-scale NF/RO system was used to desalinate a natural groundwater s le containing high Sr concentration (10.3 mg/L) and “old” groundwater organic matter (70.9 mg/L) from Esilalei in northern Tanzania to understand the removal of strontium by NF/RO. The impact of applied pressure (10–15 bar) and groundwater pH (3–12) on the membrane performance including permeate flux, strontium and total organic carbon (TOC) flux and removal was investigated. Increasing applied pressure was found to enhance the flux by increasing the driving force and enhance Sr and TOC removal by dilution effect (water flux higher than Sr passage). The alkaline pH caused severe flux decline likely due to membrane fouling and scaling, while it slightly enhanced Sr removal of RO membranes, but weakened the TOC removal. In contrast, acidic and neutral pH of groundwater enhanced TOC removal. These findings suggest that appropriately high applied pressure and acidic pH condition of groundwater are recommended to apply to the NF/RO membrane system in groundwater desalination to achieve better membrane performance.
Publisher: Trans Tech Publications, Ltd.
Date: 07-1999
Publisher: Elsevier BV
Date: 07-2018
Publisher: Elsevier BV
Date: 03-2018
Publisher: Informa UK Limited
Date: 05-01-2003
DOI: 10.1081/SS-120020126
Publisher: Elsevier BV
Date: 12-2015
Publisher: Wiley
Date: 17-05-0202
Publisher: Elsevier BV
Date: 03-1993
Publisher: Wiley
Date: 16-07-2020
Publisher: Elsevier BV
Date: 07-1993
Publisher: Springer Science and Business Media LLC
Date: 27-01-2006
Publisher: Royal Society of Chemistry (RSC)
Date: 2018
DOI: 10.1039/C8CC00812D
Abstract: Hydrogen-motivated electrolysis of Na 2 CO 3 for energy-saving production of NaOH and CO 2 /NaHCO 3 is realized by using HOR to insert H + into the anolyte and by using HER to extract H + out of the catholyte.
Publisher: Elsevier BV
Date: 08-1998
Publisher: Royal Society of Chemistry (RSC)
Date: 08-01-2002
DOI: 10.1039/B109959K
Publisher: Elsevier BV
Date: 10-2021
Publisher: Informa UK Limited
Date: 15-11-2010
Publisher: Informa UK Limited
Date: 22-06-1999
DOI: 10.1081/SS-100100744
Publisher: Springer Science and Business Media LLC
Date: 03-2017
DOI: 10.1038/543491D
Publisher: Elsevier BV
Date: 12-2017
Publisher: Elsevier BV
Date: 09-2021
Publisher: Springer Science and Business Media LLC
Date: 06-06-2012
Publisher: Elsevier BV
Date: 06-2018
Publisher: Elsevier BV
Date: 10-2020
Publisher: Royal Society of Chemistry (RSC)
Date: 2001
DOI: 10.1039/B103645A
Publisher: Wiley
Date: 22-10-2020
Abstract: The reliable and accurate quantification of ammonia in electrochemical and photochemical experiments has been a technical challenge owing to the extremely low concentration of generated ammonia, interference from trace amounts of cations and organic compounds, and ammonia contamination from various sources. As a result, overestimation and significant errors may happen in many research works. Herein, accuracy and precision of ion chromatography (IC) are evaluated at different pH excellent performance with a low detection limit (<2 μg L
Publisher: Wiley
Date: 24-07-2018
Publisher: American Chemical Society (ACS)
Date: 04-1999
DOI: 10.1021/AC980833W
Abstract: This paper presents a new chemical separation method for Hf and Zr from rocks using extraction chromatographic resins prepared from inert polymeric supports and the liquid anionic exchangers tri-n-octylamine or trioctylmethylammonium chloride (Aliquat 336). The method was developed using basaltic and trachyandesitic rocks with high contents of Al, Fe, and Ti. A 100-mg rock s le was decomposed with HF-HNO(3)-HClO(4) and fumed with HClO(4). The residue of this process was dissolved in 10 M HCl and then loaded on the column (6 mm i.d. × 75 mm). The major elements (Al, Ca, Mg, Ti, etc.) were eluted with 10 mL of 10 M HCl, and then Hf, Zr, and Fe were eluted sequentially using 20 mL of 8 M HCl, 20 mL of 2 M HCl, and 5 mL of 1 M HNO(3). The removal efficiency of major elements (Al, Fe, Ca, Mg) was greater than 99% and that of Ti was greater than 95%. The recoveries of Hf and Zr were better than 90% and the Zr/Hf ratio decreased from the natural ratio of 45 in the rock s le to 0.3 in the Hf fraction. This method provides an alternative to the less straightforward procedures based on several stages of ion-exchange separation and might be used for s le preparation prior to (176)Hf/(177)Hf determinations by magnetic sector multicollection ICPMS.
Publisher: American Association for the Advancement of Science (AAAS)
Date: 12-02-2016
Publisher: Wiley
Date: 26-08-2015
Publisher: Springer Science and Business Media LLC
Date: 03-2005
DOI: 10.1007/S00216-004-3019-X
Abstract: Despite the widespread use of the USEPA method (U.S. Environmental Protection Agency, 40 CFR 136 Appendix B) for the determination of method detection limit (MDL), criticisms have been raised that the method does not account for measurement bias and outliers that subsequently lead to a common misunderstanding of the requirement for the determination of MDL. This paper demonstrates that it is difficult to follow the USEPA method for verifying the MDL for analysis involving multiple metals and proposes a precision and bias criterion for determining the MDL. A multiple-point fitted profile, based on the correlation between relative standard deviation (RSD) and concentration, is used to derive a robust MDL value. Representative ex les of As, Ca, Cr, and Cu are used to illustrate this procedure. A procedure for identifying outliers is also discussed.
Publisher: Elsevier BV
Date: 05-2022
Publisher: Elsevier BV
Date: 10-2017
Publisher: Elsevier BV
Date: 08-1998
Publisher: Informa UK Limited
Date: 14-01-2016
Publisher: Wiley
Date: 11-11-2019
Publisher: Elsevier BV
Date: 11-2019
Publisher: Elsevier BV
Date: 02-2013
Publisher: American Association for the Advancement of Science (AAAS)
Date: 04-11-2016
Publisher: IOP Publishing
Date: 03-2020
DOI: 10.1088/1757-899X/782/2/022047
Abstract: Due to the increasing use of scrap galvanized steel in converter process, the content of zinc in converter dust is rising gradually as a result of zinc enrichment and accumulation, which will cause problems to dust recycling from long-term production stability and safety. The aim of this study was to reveal the chemical, physical, mineralogical and morphological characteristics of zinc-containing converter dust. The study shows that the concentration of Fe, Ca, Zn is 52.43~54.25%, 5.97~6.09%, 3.60~3.73% respectively. The phases such as Fe 3 O 4 , Fe 2 O 3 , FeO, ZnFe 2 O 4 , ZnO and C were detected through XRD analysis. Granulometric analysis indicated that, the particle size distribution is very concentrated and almost 80% of particles are finer than 1μm. Further researches on integrated utilization process are necessary in order to develop effective method to recycle zinc-containing converter dust.
Publisher: Wiley
Date: 09-08-2012
Publisher: Wiley
Date: 08-12-2021
Abstract: It is a great challenge to fabricate highly efficient pH‐universal electrocatalysts for oxygen reduction reaction (ORR). Herein, a facile strategy, which includes coating the Fe modified ZIF8 on Cu foil and in situ pyrolysis to evaporate and dope Cu into the MOF derived carbon, is developed to fabricate Fe/Cu−N co‐doped carbon material (Cu/Fe−NC). Profiting from the modulated electron distribution and textual properties, well‐designed Cu/Fe−NC exhibits superior half‐wave potential ( E 1/2 ) of 0.923 V in alkaline, 0.757 V in neutral and comparable 0.801 V in acid electrolytes, respectively. Furthermore, the ultralow peroxides yield of ORR demonstrates the high selectivity of Cu/Fe−NC in full pH scale electrolytes. As expected, the self‐made alkaline and neutral zinc‐air batteries equipped with Cu/Fe−NC cathode display excellent discharge voltages, outstanding peak power densities and remarkable stability. This work opens a new way to fabricate highly efficient and pH‐universal electrocatalysts for ORR through strategy of Fe/Cu−N co‐doping, Cu foil evaporation and carbon defects capture.
Publisher: Informa UK Limited
Date: 05-09-2017
DOI: 10.1080/09593330.2017.1369577
Abstract: Water contamination with chlorinated hydrocarbons such as chloroform (CHCl
Publisher: Springer Science and Business Media LLC
Date: 14-11-2009
Publisher: Elsevier BV
Date: 31-05-2002
Publisher: Elsevier BV
Date: 11-1994
DOI: 10.1016/0039-9140(94)E0115-8
Abstract: An easily applicable separation method has been developed for the accurate and simultaneous determination of trace amounts of Al, Ca, Co, Cr, Cu, Mg, Mn, Ni, Pb and Zn in high purity europium oxide by inductively coupled plasma atomic emission spectrometry (ICP-AES) combined with extraction chromatography. Spectral interferences and europium matrix effects were examined. The chromatographic separation procedure was carried out with a di-(2-ethylhexyl) phosphoric acid (HDEHP)-Levextrel resin as the stationary phase, which retained the matrix europium, and dilute nitric acid as the mobile phase, which eluted the analyte of interest. The effect of nitric acid concentration on the adsorption of europium and the analyte ions on the resin, the eluting behaviour of these elements on the chromatographic column, and the capacity of the resin for europium oxide were investigated. The quantitative limits for determination (10 sigma), based on a 0.5-g amount of europium oxide, are between 0.36 microg/g for Mn and 6.4 microg/g for Pb. The method was applied to two spiked s les and a high purity europium oxide certified reference material. Results were obtained for recoveries of 93.2-112% and precision of 4-13%, expressed as the relative standard deviation and excellent agreement with the certified value with a relative error of <4%.
Publisher: Elsevier BV
Date: 28-09-2002
Publisher: Springer Science and Business Media LLC
Date: 05-02-2017
Publisher: IWA Publishing
Date: 15-09-2019
DOI: 10.2166/WST.2019.349
Abstract: Chlorophenols are extremely toxic to the environment and recalcitrant to biological degradation. Herein chemical degradation of 4-chlorophenol (4-CP) from aqueous solutions by zero-valent aluminum (Al), zero-valent iron (Fe), Al and Fe mixtures (Al/Fe mass ratio 90/10, labeled as Al/Fe10) and Al-Fe alloy (Al/Fe mass ratio 90/10, labeled as Al-Fe10) were investigated. No removal was found for 50 mg·L−1 4-CP under anoxic conditions at initial pH 2.5 during a period of 10 hrs while 56%, 83%, 78% and 99% of 4-CP were removed by Fe, Al, Al/Fe10 and Al-Fe10, respectively under aeration conditions. The removal of 4-CP by Al/Fe10 mixtures was primarily in the Fe mode in the beginning 4 h and then transitioned to the Al mode. The removal of 4-CP by Al-Fe10 alloy was accomplished via two intermediate products, hydroquinone (HQ) and 4-chlorocatechol (4-CC), and it was speculated that reactive oxygen species and hydroxyl radicals (·OH) play an important role in the degradation of 4-CP and that Al-Fe intermetallic compounds might catalyze the reactions. This study demonstrates that alloying Al with Fe offers a promising strategy for developing new materials for water and wastewater remediation.
Publisher: Wiley
Date: 06-08-2004
DOI: 10.1002/JCTB.1071
Publisher: American Chemical Society (ACS)
Date: 26-09-2013
DOI: 10.1021/IE401290V
Publisher: Springer Science and Business Media LLC
Date: 02-04-2019
Publisher: Royal Society of Chemistry (RSC)
Date: 2013
DOI: 10.1039/C3AY26095J
Publisher: Elsevier BV
Date: 07-1999
Publisher: Wiley
Date: 12-04-2019
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C9TA03473K
Abstract: 3D self-supported hierarchical Ni@NCNT/NiMoN shows remarkable activity, durability and anti-oxidation ability as the promising HER& OER electrode for storing electricity.
Publisher: Springer Science and Business Media LLC
Date: 19-10-2014
DOI: 10.1007/S10646-014-1368-6
Abstract: A pot culture experiment was carried out to investigate the roles of Glomus mosseae in Cu and Pb acquisition by upland rice (Oryza sativa L.) and the interactions between Cu and Pb. The soil was treated with three Cu levels (0, 100 and 200 mg kg(-1)) and three Pb levels (0, 300, and 600 mg kg(-1)). All treatments were designed with (+M) or without (-M) G. mosseae inoculation in a randomized block design. The addition of Cu and Pb significantly decreased root mycorrhizal colonization. Compared with -M, +M significantly increased root biomass in almost all treatments, and also significantly increased shoot biomass in the Pb(0)Cu(200), Pb(300)Cu(0), and all Pb(600) treatments. AM fungi enhanced plant Cu acquisition, but decreased plant Cu concentrations with all Cu plus Pb treatments, except for shoot in the Cu(200)Pb(600) treatment. Irrespective of Cu and Pb levels, +M plants had higher Pb uptakes than -M plants, but had lower root Pb and higher shoot Pb concentrations than those of -M plants. Another interpretation for the higher shoot Pb concentration in +M plants relied on Cu-Pb interactions. The study provided further evidences for the protective effects of AM fungi on upland rice against Cu and Pb contamination, and uncovered the phenomenon that Cu addition could promote Pb uptake and Pb partitioning to shoot. The possible mechanisms by which AM fungi can alleviate the toxicity induced by Cu and Pb are also discussed.
Publisher: Elsevier BV
Date: 09-2019
Publisher: American Association for the Advancement of Science (AAAS)
Date: 12-04-2013
Publisher: Wiley
Date: 24-02-2021
Publisher: Oxford University Press (OUP)
Date: 05-1999
Publisher: Elsevier BV
Date: 05-1993
Publisher: Elsevier BV
Date: 11-2009
DOI: 10.1016/J.BIORTECH.2009.05.045
Abstract: A new method of wet state (WS) sodium hydroxide (NaOH) was advanced to pretreat corn stover for enhancing biogas production. The results showed that 88% moisture content, 3-day treatment time and ambient temperature (20 degrees C) was appropriate for WS NaOH pretreatment. The NaOH dose of 2% and the loading rate of 65 g/L were found to be optimal in terms of 72.9% more total biogas production, 73.4% more methane yield, and 34.6% shorter technical digestion time, as compared to the untreated one. WS pretreatment used 86% shorter treatment time and 66.7% less NaOH dose than solid state one. The analyses of chemical compositions and chemical structures showed that 9.3-19.1% reduction of the contents of total Lignin, cellulose, and hemicellulose (LCH), and 27.1-77.1% increase of hot-water extractives contributed to the enhancement of biogas production. WS NaOH pretreatment could be one of cost-effective methods for high efficient biological conversion of corn stover into bioenergy.
Publisher: Informa UK Limited
Date: 26-02-2018
Publisher: American Chemical Society (ACS)
Date: 15-03-2023
Publisher: Wiley
Date: 08-2012
Publisher: American Chemical Society (ACS)
Date: 20-12-2003
DOI: 10.1021/IE011044Z
Publisher: Elsevier BV
Date: 06-2021
Publisher: American Chemical Society (ACS)
Date: 12-06-2017
Abstract: Hierarchical porous Fe/N/S-doped carbon with a high content of graphitic nitrogen (FeNS/HPC) has been successfully synthesized by a facile dual-template method. FeNS/HPC shows not only macropores resulting from the dissolution of the SiO
Publisher: American Association for the Advancement of Science (AAAS)
Date: 18-10-2013
Publisher: IOP Publishing
Date: 08-2017
Publisher: Elsevier BV
Date: 12-2019
DOI: 10.1016/J.JCONHYD.2019.103541
Abstract: Groundwater contamination is a worldwide concern and the development of new materials for groundwater remediation has been of great interest. This study investigated removal kinetics and mechanisms of nitrate, copper ion and hexavalent chromium (20-50 mg L
Publisher: Springer Science and Business Media LLC
Date: 09-12-2014
Publisher: Elsevier BV
Date: 2017
DOI: 10.1016/J.CHEMOSPHERE.2016.09.102
Abstract: Zero-valent iron has been intensively investigated in chemical reduction of nitrate in water, but the reduction requires acidic or weak acidic pH conditions and the product of the reduction is exclusively ammonium, an even more toxic substance. Zero-valent aluminum is a stronger reductant than iron, but its use for the reduction of aqueous nitrate requires considerably alkaline pH conditions. In this study, aluminum-iron alloys with an iron content of 10%, 20% and 58% (termed Al-Fe10, Al-Fe20 and Al-Fe58, respectively) were investigated for the reduction of aqueous nitrate. Al-Fe alloys were efficient to reduce nitrate in water in an entire pH range of 2-12 and the reduction proceeded in a pseudo-first order at near neutral pH conditions. The observed reaction rate constant (K
Publisher: Wiley
Date: 23-10-2018
Publisher: IWA Publishing
Date: 2001
Abstract: The removal and recovery of Cu, Cr and Zn from plating rinse wastewater using supported liquid membranes (SLM) are investigated. SLMs with specific organic extractants as the liquid membrane carriers in series are able to remove and concentrate heavy metals with very high purity, which is very promising for recycling of heavy metals in the electroplating industry. A technical comparison between the membrane process and the conventional chemical precipitation process was made.
Publisher: American Chemical Society (ACS)
Date: 16-11-2011
DOI: 10.1021/ES203854Q
Publisher: Elsevier BV
Date: 03-2022
DOI: 10.1016/J.ENVRES.2021.112241
Abstract: In situ remediation of groundwater by zerovalent iron (ZVI)-based technology faces the problems of rapid passivation, fast agglomeration, limited range of pollutants and secondary contamination. Here a new concept of Magnesium-Aluminum (Mg-Al) alloys and in situ layered double hydroxides on is proposed for the degradation and removal of a wide variety of inorganic and organic pollutants from groundwater. The Mg-Al alloy provides the electrons for the chemical reduction and/or the degradation of pollutants while released Mg
Publisher: Royal Society of Chemistry (RSC)
Date: 2000
DOI: 10.1039/A908278F
Publisher: Wiley
Date: 14-11-2018
Publisher: Elsevier BV
Date: 06-2019
Publisher: Elsevier BV
Date: 11-2016
Publisher: Elsevier BV
Date: 10-2013
Publisher: Elsevier BV
Date: 15-04-2000
Publisher: Informa UK Limited
Date: 23-02-2023
Publisher: Wiley
Date: 03-2021
Abstract: The pedestal of the rechargeable zinc–air battery (ZAB) is based on high‐performance bifunctional oxygen reduction/evolution reactions (ORR/OER) electrocatalysts. Herein, without any template or surfactant, in situ grown nitrogen‐doped carbon‐nanotube (NCNT)‐embedded with two phases of bimetal CoFe alloys and CoFe 2 O 4 spinel oxide are constructed, using inexpensive materials of glucose, urea, and cobalt/iron acetates by programing the pyrolysis temperature. The obtained catalyst with optimal cobalt/iron acetates mass ratio (1:1) denoted as CoFe–CoFe 2 O 4 –NCNT not only exceeds Pt–Ru/C in terms of ORR half‐wave potentials [(0.88 vs 0.84 V versus reversible hydrogen electrode (RHE)] and limiting current densities (6.40 vs 5.40 mA cm −2 ), but also manifests superior OER activity with the potentials of (1.58 vs 1.67 V versus RHE) at 10 mA cm −2 . Therefore, CoFe–CoFe 2 O 4 –NCNT exhibits a smaller value of (0.70 V versus RHE), surpassing that of Pt–Ru/C (0.85 V versus RHE) and shows excellent stability as well as outstanding methanol tolerance compared with the Pt–Ru/C commercial catalyst. In addition, CoFe–CoFe 2 O 4 –NCNT applied as a bifunctional air electrode in rechargeable ZAB displays a promising rechargeability performance with high‐discharge and low‐charge potentials and a relatively stable potential gap under 550 cycles, outperforming those of Pt–Ru/C.
Publisher: Elsevier BV
Date: 31-08-2001
Publisher: Elsevier BV
Date: 11-2016
DOI: 10.1016/J.ECOENV.2016.07.032
Abstract: This study was conducted to investigate the capability of pyrene-degrading bacterium Ochrobactrum sp. PW and ryegrass (Lolium multiflorum) grown alone and in combination on the degradation of pyrene in soil. After 60 days of ryegrass growth, plant biomass, pyrene-degrading microbial mass, soil enzyme activity (catalase activity and polyphenol oxidase activity) and residual concentration of pyrene in soils were determined. Higher dissipation rates were observed in PW inoculation treatments: ryegrass+PW rhizosphere soil (RP-r) and ryegrass+PW non-rhizosphere soil (RP-nr), than planting of ryegrass alone, rhizosphere (R-r) or non-rhizosphere (R-nr). The inoculation with PW significantly (p<0.05) increased the dry weight of ryegrass root and shoot, nearly 2.8 and 3.3 times higher than ryegrass treatment. The pyrene-degrading microbial mass indicated that a much larger mass of bacteria, actinobacteria were present in RP treatment. The catalase activity in all different treatments were significantly (p<0.05) higher than in with treatment R-nr, and the polyphenol oxidase activity was also significantly (p<0.05) increased by inoculation with PW, leading to enhanced mineralization of pyrene from soil. Our results suggest that adding of PAHs-degrading bacteria to soil can enhance remediation of PAHs contaminated soil, while improving plant growth.
Publisher: Elsevier BV
Date: 10-1997
Location: United Kingdom of Great Britain and Northern Ireland
Location: United Kingdom of Great Britain and Northern Ireland
No related grants have been discovered for Jin Yang.