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1. Graphene and graphene-based nanocomposites used for antibiotics removal in water treatment: A review

Author:
Liu, Yun-guo,   et al.   ; Li, Mei-fang; Zeng, Guang-ming; Liu, Ni; Liu, Shao-bo;     Show all 5 Authors
Source:
Chemosphere 2019 v.226 pp. 360-380
ISSN:
0045-6535
Subject:
adsorption; antibiotics; aquatic environment; aqueous solutions; graphene; humans; nanocomposites; nanomaterials; photocatalysis; photolysis; physicochemical properties; pollutants; statistical analysis; veterinary medicine; water treatment
Abstract:
... Due to their extensive application in human and veterinary medicine, antibiotics have been found worldwide and studied as new pollutants in the aquatic environment. In order to remove such pollutants, adsorption and photocatalysis have attracted tremendous attention because of their great potential in antibiotics removal from aqueous solutions. Graphene, as a novel two-dimensional nanomaterial, po ...
DOI:
10.1016/j.chemosphere.2019.03.117

2. Adsorption studies of 17β-estradiol from aqueous solution using a novel stabilized Fe–Mn binary oxide nanocomposite

Author:
Liu, Yun-guo,   et al.   ; Dai, Ming-yang; Zeng, Guang-ming; Liu, Shao-bo; Ning, Qi-meng;     Show all 5 Authors
Source:
Environmental science and pollution research international 2019 v.26 no.8 pp. 7614-7626
ISSN:
0944-1344
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; adsorbents; adsorption; anions; aqueous solutions; carbon nanotubes; estradiol; hydrogen bonding; nanocomposites; pH; phosphates; porous media; scanning electron microscopy; sorption isotherms; stabilizers; temperature; thermodynamics; transmission electron microscopy; water pollution
Abstract:
... The removal of 17β-estradiol (E2) from contaminated water on nanoscale Fe–Mn binary oxide-loaded multiwalled carbon nanotubes (MWCNTs/FMBO) was evaluated in this work. The characterizations of the mesoporous adsorbent were analyzed by using SEM, TEM, VSM, XRD, XPS, and FTIR measurements. The effects of experimental conditions in E2 removal, including stabilizer additional level, adsorption time, i ...
DOI:
10.1007/s11356-019-04173-7

3. Appraising the effect of in-situ remediation of heavy metal contaminated sediment by biochar and activated carbon on Cu immobilization and microbial community

Author:
Liu, Yun-guo,   et al.   ; Que, Wei; Zhou, Ya-hui; Wen, Jun; Tan, Xiao-fei; Liu, Si-jia; Jiang, Lu-hua;     Show all 7 Authors
Source:
Ecological engineering 2019 v.127 pp. 519-526
ISSN:
0925-8574
Subject:
Fourier transform infrared spectroscopy; Raman spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; activated carbon; biochar; copper; heavy metals; microbial communities; remediation; rice hulls; scanning electron microscopy; sediment contamination; sediments; surface area; surface water
Abstract:
... The immobilization of heavy metal Cu with rice husk biochar (RHB) and activated carbon (AC) addition were compared by in-situ remediation of sediment in this research. The RHB and AC were characterized using SEM, FTIR, XRD, XPS, Raman and BET surface area measurements. Heavy-metal contaminated sediments were immobilized by RHB and AC with the addition amount of 2%, 5% and 10% (w/w). The sequential ...
DOI:
10.1016/j.ecoleng.2018.10.005

4. Facile synthesis of MnOx‐loaded biochar for the removal of doxycycline hydrochloride: effects of ambient conditions and co‐existing heavy metals

Author:
Liu, Yun‐guo,   et al.   ; Liu, Si‐jia; Tan, Xiao‐fei; Liu, Shao‐bo; Li, Mei‐fang; Liu, Ni; Yin, Zhi‐hong; Tian, Si‐rong; Zhou, Ya‐hui;     Show all 9 Authors
Source:
Journal of chemical technology and biotechnology 2019 v.94 no.7 pp. 2187-2197
ISSN:
0268-2575
Subject:
adsorbents; adsorption; biochar; biomass; chromium; copper; cost effectiveness; doxycycline; electrostatic interactions; heavy metals; ionic strength; manganese monoxide; metal ions; moieties; nanoparticles; pH; pretreatment; pyrolysis
Abstract:
... BACKGROUND: In this study, manganese oxide (MnOₓ) nanoparticle loaded biochar (BC) was applied for doxycycline hydrochloride (DOX) removal from water. Biochar composites were synthesized by either pre‐treating biomass using MnCl₂/KMnO₄/NaOH (PMBC) or inserting MnOₓ ultrafine particles after pyrolysis of biomass (AMBC). In complex water environments, the presence of heavy metals may affect the remo ...
DOI:
10.1002/jctb.6000

5. Insights into the effect of chemical treatment on the physicochemical characteristics and adsorption behavior of pig manure-derived biochars

Author:
Liu, Yun-Guo,   et al.   ; Wang, Rong-Zhong; Huang, Dan-Lian; Zhang, Chen; Zeng, Guang-Ming; Lai, Cui; Gong, Xiao-Min; Cheng, Min; Wan, Jia; Zhang, Qing;     Show all 10 Authors
Source:
Environmental science and pollution research international 2019 v.26 no.2 pp. 1962-1972
ISSN:
0944-1344
Subject:
absorption; adsorption; alkali treatment; ash content; biochar; heavy metals; lead; magnetic fields; physicochemical properties; pig manure; pollution; solid wastes; swine
Abstract:
... Chemical treatment could improve the adsorption performance of biochars (BC). In order to deal with Pb(II) pollution, four types of biochars including unmodified, acid-treated, alkali-treated, and magnetic-treated pig manure-derived biochars (PBCs) were prepared. The effect of chemical treatment on the physical property, chemical composition, and the adsorption behavior of biochars was compared. M ...
DOI:
10.1007/s11356-018-3772-6

6. Efficiency estimation of urban metabolism via Emergy, DEA of time-series

Author:
Liu, Yun-guo,   et al.   ; Wu, Yi; Que, Wei; Li, Jiang; Cao, Li; Liu, Shao-bo; Zeng, Guang-ming; Zhang, Jing;     Show all 8 Authors
Source:
Ecological indicators 2018 v.85 pp. 276-284
ISSN:
1470-160X
Subject:
business enterprises; ecosystems; emergy; industrial symbiosis; input output analysis; material flow analysis; metabolism; principal component analysis; time series analysis; urban areas
Abstract:
... Evaluating the efficiency of urban metabolism is an effective tool to quantitatively analyze the relationship between social, environmental and economic input and output in an urban ecosystem. In this paper, there are the combination Emergy synthesis, Principal Component Analysis (PCA) and Date Envelopment Analysis (DEA) of time-series approach to comprehensive assessment urban metabolism for the ...
DOI:
10.1016/j.ecolind.2017.10.043

7. Isolation and characterization of twenty two polymorphic simple sequence repeat markers from AFLP sequences of Crassostrea gigas

Author:
Liu, Yun-Guo,   et al.   ; Liu, Ling-Xiao;     Show all 2 Author
Source:
Conservation genetics resources 2015 v.7 no.3 pp. 659-661
ISSN:
1877-7252
Subject:
Crassostrea gigas; alleles; amplified fragment length polymorphism; genetic markers; genetic variation; loci; microsatellite repeats; natural resources; population structure; China
Abstract:
... A total of 22 polymorphic simple sequence repeat (SSR) markers have been developed and characterized from AFLP sequences of Crassostrea gigas in order to protect its natural resources. Polymorphisms of these SSR markers were evaluated in a natural population of 30 individuals collected from Shandong peninsula in China. The number of alleles ranged from three to thirteen. Observed and expected hete ...
DOI:
10.1007/s12686-015-0471-1

8. Investigating the adsorption behavior and the relative distribution of Cd2+ sorption mechanisms on biochars by different feedstock

Author:
Liu, Yun-Guo,   et al.   ; Wang, Rong-Zhong; Huang, Dan-Lian; Zhang, Chen; Lai, Cui; Zeng, Guang-Ming; Cheng, Min; Gong, Xiao-Min; Wan, Jia; Luo, Hao;     Show all 10 Authors
Source:
Bioresource technology 2018 v.261 pp. 265-271
ISSN:
0960-8524
Subject:
adsorption; aqueous solutions; ash content; bamboos; biochar; cadmium; cation exchange; corn straw; feedstocks; moieties; pig manure
Abstract:
... The objective of this study was to investigate the adsorption behavior and the relative distribution of Cd2+ sorption mechanisms on biochars by different feedstock. Bamboo biochars (BBCs), corn straw biochars (CBCs) and pig manure biochars (PBCs) were prepared at 300–700 °C. Adsorption results showed PBCs have the best adsorption capacity for Cd2+, the extra adsorption capacity of PBCs mainly attr ...
DOI:
10.1016/j.biortech.2018.04.032

9. Performance of magnetic graphene oxide/diethylenetriaminepentaacetic acid nanocomposite for the tetracycline and ciprofloxacin adsorption in single and binary systems

Author:
Liu, Yun-guo,   et al.   ; Li, Mei-fang; Liu, Shao-bo; Zeng, Guang-ming; Hu, Xin-jiang; Tan, Xiao-fei; Jiang, Lu-hua; Liu, Ni; Wen, Jun; Liu, Xiang-hui;     Show all 10 Authors
Source:
Journal of colloid and interface science 2018 v.521 pp. 150-159
ISSN:
0021-9797
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; adsorbents; adsorption; antibiotics; ciprofloxacin; electrostatic interactions; endothermy; graphene oxide; heat production; hydrogen bonding; ionic strength; ions; magnetism; models; nanocomposites; pH; scanning electron microscopy; sorption isotherms; transmission electron microscopy; zeta potential
Abstract:
... Adsorption of tetracycline (TC) and ciprofloxacin (CIP) in single and binary systems by diethylenetriaminepentaacetic acid-functionalized magnetic graphene oxide (DDMGO) was explored. DDMGO were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), X-ray photoelectron spectroscopy (XPS) ...
DOI:
10.1016/j.jcis.2018.03.003

10. Hydrothermal synthesis of montmorillonite/hydrochar nanocomposites and application for 17β-estradiol and 17α-ethynylestradiol removal

Author:
Liu, Yun-guo,   et al.   ; Tian, Si-rong; Liu, Shao-bo; Zeng, Guang-ming; Jiang, Lu-hua; Tan, Xiao-fei; Huang, Xi-xian; Yin, Zhi-hong; Liu, Ni; Li, Jiang;     Show all 10 Authors
Source:
RSC advances 2018 v.8 no.8 pp. 4273-4283
ISSN:
2046-2069
Subject:
adsorbents; adsorption; clay; electrostatic interactions; estradiol; hydrochars; hydrogen bonding; hydrophobicity; hydrothermal carbonization; models; montmorillonite; nanocomposites; nanoparticles; pH; pollution; pollution control; potassium hydroxide; sorption isotherms
Abstract:
... With a view to reducing estrogens pollution in aqueous environments, montmorillonite/hydrochar (MMT/HC) with or without modification by KOH via hydrothermal carbonization process (HTC) were applied to remove 17β-estradiol (E2) and 17α-ethynylestradiol (EE2). The characterizations of MMT/HC indicated that MMT had been successfully attached onto HC surface, which could cause an improvement in the st ...
DOI:
10.1039/c7ra12038a

11. Development and characterization of 20 polymorphic microsatellite markers from RAPD product in Populus euphratica

Author:
Liu, Yun-Guo,   et al.   ; Wang, Chunhua; Liu, Ling-Xiao;     Show all 3 Authors
Source:
Conservation genetics resources 2015 v.7 no.3 pp. 669-671
ISSN:
1877-7252
Subject:
Populus euphratica; alleles; genetic markers; genetic variation; microsatellite repeats; population structure; random amplified polymorphic DNA technique; species diversity; China
Abstract:
... Twenty polymorphic mirosatellite markers have been developed and characterized from RAPD product in Populus euphratica for protection of its natural resources. Polymorphisms of these microsatellite markers were evaluated in a natural population of 30 individuals collected from Xinjiang Region in China. The number of alleles ranged from 3 to 12. Observed and expected heterozygosities varied from 0. ...
DOI:
10.1007/s12686-015-0473-z

12. Property Variation of Magnetic Mesoporous Carbon Modified by Aminated Hollow Magnetic Nanospheres: Synthesis, Characterization, and Sorption

Author:
Liu, Yun-guo,   et al.   ; Li, Xin; Cao, Wei-cheng; Zeng, Guang-ming; Zeng, Wei; Qin, Lei; Li, Ting-ting;     Show all 7 Authors
Source:
ACS sustainable chemistry 2017 v.5 no.1 pp. 179-188
ISSN:
2168-0485
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; adsorption; carbon; cations; endothermy; methylene blue; models; nanospheres; pH; porous media; scanning electron microscopy; sorption isotherms; thermodynamics
Abstract:
... Magnetic mesoporous carbon with particular morphologies was fabricated by immobilizing uniform aminated hollow magnetic nanospheres (AHMNs) in an oxidized mesoporous carbon (OC) matrix with different mass ratios (AHMOC-Y, Y = 1:1, 2:1, 5:1). This study was devoted to exploring the effects on morphology, surface charge, and adsorption capacity when AHMNs were immobilized onto OC. The morphology and ...
DOI:
10.1021/acssuschemeng.6b01207

13. The effect of several activated biochars on Cd immobilization and microbial community composition during in-situ remediation of heavy metal contaminated sediment

Author:
Liu, Yun-guo,   et al.   ; Liu, Si-jia; Tan, Xiao-fei; Zeng, Guang-ming; Zhou, Ya-hui; Liu, Shao-bo; Yin, Zhi-hong; Jiang, Lu-hua; Li, Mei-fang; Wen, Jun;     Show all 10 Authors
Source:
Chemosphere 2018 v.208 pp. 655-664
ISSN:
0045-6535
Subject:
Fourier transform infrared spectroscopy; X-ray diffraction; X-ray photoelectron spectroscopy; activated carbon; bioavailability; biochar; cadmium; community structure; heavy metals; microbial communities; microwave treatment; moieties; oxygen; remediation; rivers; scanning electron microscopy; sediments; surface area
Abstract:
... Chemical activation and microwave assisted activation were adopted to modify biochar. Activated biochars were characterized by SEM, BET, FTIR, XRD and XPS. Raw biochar, activated biochars and commercial activated carbon were compared as remediation strategies for sediment from the Xiangjiang River containing 14.70 mg/kg Cd. After the treatment by activated biochar, the overlying water and pore wat ...
DOI:
10.1016/j.chemosphere.2018.06.023

14. Development and characterization of thirteen polymorphic microsatellite loci in the Cynoglossus semilaevis

Author:
Liu, Yun-Guo,   et al.   ; Liu, Ling-Xiao; Xing, Shi-Chao;     Show all 3 Authors
Source:
Conservation genetics resources 2014 v.6 no.3 pp. 683-684
ISSN:
1877-7252
Subject:
Cynoglossus semilaevis; alleles; genetic variation; linkage disequilibrium; loci; microsatellite repeats; population structure
Abstract:
... Thirteen polymorphic microsatellite loci have been isolated and characterized from Cynoglossus semilaevis for the purpose of protecting its wild resources. They had between three and nine alleles. Observed and expected heterozygosities varied from 0.57 to 0.93, and from 0.56 to 0.82, respectively. All the loci conformed to Hardy–Weinberg equilibrium after Bonferroni correction. No significant link ...
DOI:
10.1007/s12686-014-0181-0

15. Adsorption of emerging contaminant metformin using graphene oxide

Author:
Liu, Yun-guo,   et al.   ; Zhu, Shuai; Liu, Shao-bo; Zeng, Guang-ming; Jiang, Lu-hua; Tan, Xiao-fei; Zhou, Lu; Zeng, Wei; Li, Ting-ting; Yang, Chun-ping;     Show all 10 Authors
Source:
Chemosphere 2017 v.179 pp. 20-28
ISSN:
0045-6535
Subject:
adsorption; desorption; electrolytes; graphene oxide; heat production; hydrogen bonding; ionic strength; kinetics; metformin; pH; temperature; wastewater; water resources
Abstract:
... The occurrence of emerging contaminants in our water resources poses potential threats to the livings. Due to the poor treatment in wastewater management, treatment technologies are needed to effectively remove these products for living organism safety. In this study, Graphene oxide (GO) was tested for the first time for its capacity to remove a kind of emerging wastewater contaminants, metformin. ...
DOI:
10.1016/j.chemosphere.2017.03.071

16. Biochar as potential sustainable precursors for activated carbon production: Multiple applications in environmental protection and energy storage

Author:
Liu, Yun-guo,   et al.   ; Tan, Xiao-fei; Liu, Shao-bo; Gu, Yan-ling; Zeng, Guang-ming; Hu, Xin-jiang; Wang, Xin; Liu, Shao-heng; Jiang, Lu-hua;     Show all 9 Authors
Source:
Bioresource technology 2017 v.227 pp. 359-372
ISSN:
0960-8524
Subject:
activated carbon; biochar; biomass; carbon dioxide; cost effectiveness; energy; environmental protection; feedstocks; physical properties; pyrolysis; wastes; water pollution
Abstract:
... There is a growing interest of the scientific community on production of activated carbon using biochar as potential sustainable precursors pyrolyzed from biomass wastes. Physical activation and chemical activation are the main methods applied in the activation process. These methods could have significantly beneficial effects on biochar chemical/physical properties, which make it suitable for mul ...
DOI:
10.1016/j.biortech.2016.12.083

17. Facile synthesis of Cu(II) impregnated biochar with enhanced adsorption activity for the removal of doxycycline hydrochloride from water

Author:
Liu, Yun-guo,   et al.   ; Liu, Su; Xu, Wei-hua; Tan, Xiao-fei; Zeng, Guang-ming; Li, Xin; Liang, Jie; Zhou, Zan; Yan, Zhi-li; Cai, Xiao-xi;     Show all 10 Authors
Source:
The Science of the total environment 2017
ISSN:
0048-9697
Subject:
adsorption; aqueous solutions; biochar; biomass; copper; doxycycline; electrostatic interactions; nitrates; peanut hulls
Abstract:
... In this study, the effect factors and mechanisms of doxycycline hydrochloride (DOX) adsorption on copper nitrate modified biochar (Cu-BC) was investigated. Cu-BC absorbent was synthesized through calcination of peanut shells biomass at 450°C and then impregnation with copper nitrate. The Cu-BC has exhibited excellent sorption efficiency about 93.22% of doxycycline hydrochloride from aqueous soluti ...
DOI:
10.1016/j.scitotenv.2017.03.087

18. Bioreduction of Chromate by an Isolated Bacillus anthracis Cr-4 with Soluble Cr(III) Product

Author:
Liu, Yun-Guo,   et al.   ; Xu, Wei-Hua; Jian, Hao; Zeng, Guang-Ming; Li, Xin; Zhang, Wei;     Show all 6 Authors
Source:
Water, air, and soil pollution 2015 v.226 no.3 pp. 2356
ISSN:
0049-6979
Subject:
Bacillus anthracis; biosorption; cell growth; chromium; copper; energy-dispersive X-ray analysis; growth retardation; nucleotide sequences; pollution; ribosomal RNA; slags; soil; zinc
Abstract:
... Microbial Cr(VI) reduction is a significant process in detoxification of Cr(VI) pollution. In this study, a new Cr(VI)-reducing bacterial strain, Cr-4, was isolated from soil around the chromium-containing slag. The analysis of the 16S ribosomal RNA (rRNA) gene sequence revealed that the newly isolated strain was closely related to Bacillus anthracis. The response to Cr(VI) stress and reduction ca ...
DOI:
10.1007/s11270-015-2356-z

19. Tetracycline absorbed onto nitrilotriacetic acid-functionalized magnetic graphene oxide: Influencing factors and uptake mechanism

Author:
Liu, Yun-guo,   et al.   ; Li, Mei-fang; Zeng, Guang-ming; Liu, Shao-bo; Hu, Xin-jiang; Shu, Ding; Jiang, Lu-hua; Tan, Xiao-fei; Cai, Xiao-xi; Yan, Zhi-li;     Show all 10 Authors
Source:
Journal of Colloid And Interface Science 2017 v.485 pp. 269-279
ISSN:
0021-9797
Subject:
X-ray diffraction; X-ray photoelectron spectroscopy; adsorbents; adsorption; aqueous solutions; electrolytes; graphene oxide; hydrogen bonding; ionic strength; ions; nanomaterials; nitrilotriacetic acid; pH; pollution control; scanning electron microscopy; sodium chloride; surface area; temperature; tetracycline; thermodynamics; transmission electron microscopy; zeta potential
Abstract:
... A novel magnetic nanomaterial was synthesized by grafting nitrilotriacetic acid to magnetic graphene oxide (NDMGO), which was applied as an adsorbent for removing tetracycline (TC) from aqueous solutions. The nanomaterial was characterized using TG-DTA, SEM, TEM, XRD, VSM, XPS, Raman, BET surface area and zeta potential measurements. Several experimental conditions (solution pH, adsorption time, t ...
DOI:
10.1016/j.jcis.2016.09.037

20. Biochar pyrolyzed from MgAl-layered double hydroxides pre-coated ramie biomass (Boehmeria nivea (L.) Gaud.): Characterization and application for crystal violet removal

Author:
Liu, Yun-guo,   et al.   ; Tan, Xiao-fei; Gu, Yan-ling; Liu, Shao-bo; Zeng, Guang-ming; Cai, Xiaoxi; Hu, Xin-jiang; Wang, Hui; Liu, Si-mian; Jiang, Lu-hua;     Show all 10 Authors
Source:
Journal of environmental management 2016 v.184 pp. 85-93
ISSN:
0301-4797
Subject:
Boehmeria nivea; Fourier transform infrared spectroscopy; X-ray photoelectron spectroscopy; adsorbents; adsorption; aqueous solutions; biochar; biomass; electrostatic interactions; endothermy; energy-dispersive X-ray analysis; gentian violet; groundwater; hydrogen bonding; hydroxides; industrial effluents; ionic strength; models; moieties; pH; pyrolysis; ramie; remediation; scanning electron microscopy; sorption isotherms; temperature; thermodynamics; transmission electron microscopy; wastewater treatment; zeta potential
Abstract:
... A novel biochar/MgAl-layered double hydroxides composite (CB-LDH) was prepared for the removal of crystal violet from aqueous solution by pyrolyzing MgAl-LDH pre-coated ramie stem (Boehmeria nivea (L.) Gaud.). Pyrolysis played dual role for both converting biomass into biochar and calcining MgAl-LDH during the pyrolysis process. Scanning electron microscopy (SEM), transmission electron microscopy ...
DOI:
10.1016/j.jenvman.2016.08.070