The adsorption of Cr(VI) from water samples using graphene oxide-magnetic (GO-Fe3O4) synthesized from natural cellulose-based graphite (kusambi wood or Schleichera oleosa): Study of kinetics, isotherms and thermodynamics

Mishra, 2016, Toxic and genotoxic effects of hexavalent chromium in environment and its bioremediation strategies, J Environ Sci Heal – Part C Environ Carcinog Ecotoxicol Rev, 34, 1, 10.1080/10590501.2015.1096883

Xia, 2019, A critical review on bioremediation technologies for Cr(VI)-contaminated soils and wastewater, Crit Rev Environ Sci Technol, 49, 1, 10.1080/10643389.2018.1564526

Dhal, 2013, Chemical and microbial remediation of hexavalent chromium from contaminated soil and mining/metallurgical solid waste: a review, J Hazard Mater, 250–251, 272, 10.1016/j.jhazmat.2013.01.048

Torkmahalleh, 2018, Aqueous chemistry of airborne hexavalent chromium during sampling, Air Qual Atmos Heal, 11, 1059, 10.1007/s11869-018-0607-z

Jobby, 2018, Chemosphere Biosorption and biotransformation of hexavalent chromium [Cr(VI)]: a comprehensive review, Chemosphere, 207, 255, 10.1016/j.chemosphere.2018.05.050

Chen, 2018, Interaction of chromium(III) or chromium(VI) with catalase and its effect on the structure and function of catalase: an in vitro study, Food Chem, 244, 378, 10.1016/j.foodchem.2017.10.062

Hamdan, 2014, Characterization of the removal of chromium(VI) from groundwater by electrocoagulation, J Ind Eng Chem, 20, 2775, 10.1016/j.jiec.2013.11.006

Lin, 2014, Sorption of metals and metalloids from reverse osmosis concentrate on drinking water treatment solids, Sep Purif Technol, 134, 37, 10.1016/j.seppur.2014.07.008

Cao, 2018, Removal of Cr(VI) by corn stalk based anion exchanger: the extent and rate of Cr(VI) reduction as side reaction, Colloids Surf A: Physicochem Eng Asp, 539, 424, 10.1016/j.colsurfa.2017.12.049

Abbasi-Garravand, 2014, Using micellar enhanced ultrafiltration and reduction techniques for removal of Cr(VI) and Cr(III) from water, Sep Purif Technol, 132, 505, 10.1016/j.seppur.2014.06.010

Onac, 2019, The removal of Cr(VI) through polymeric supported liquid membrane by using calix[4]arene as a carrier, Chinese J Chem Eng, 27, 85, 10.1016/j.cjche.2018.01.029

Ma, 2018, Hematite enhances the removal of Cr(VI) by Bacillus subtilis BSn5 from aquatic environment, Chemosphere., 208, 579, 10.1016/j.chemosphere.2018.06.037

Xia, 2018, Modified stannous sulfide nanoparticles with metal-organic framework: toward efficient and enhanced photocatalytic reduction of chromium (VI) under visible light, J Colloid Interface Sci, 530, 481, 10.1016/j.jcis.2018.05.015

Enniya, 2018, Adsorption of hexavalent chromium in aqueous solution on activated carbon prepared from apple peels, Sustain Chem Pharm, 7, 9, 10.1016/j.scp.2017.11.003

Avila, 2014, Surface functionalized nanofibers for the removal of chromium(VI) from aqueous solutions, Chem Eng J, 245, 201, 10.1016/j.cej.2014.02.034

Neolaka, 2017, Adsorption of hexavalent chromium from aqueous solutions using acid activated of natural zeolite collected from ende-flores, Indonesia, Rasayan J Chem, 10, 606

Shaban, 2018, Removal of Congo red, methylene blue and Cr(VI) ions from water using natural serpentine, J Taiwan Inst Chem Eng, 82, 102, 10.1016/j.jtice.2017.10.023

Surendran, 2018, Biosorption of Cr(VI) from wastewater using Sorghastrum Nutans L. Nash, Chem Ecol, 34, 762, 10.1080/02757540.2018.1487407

Liu, 2019, Magnetic nanocomposite adsorbents, 295

Herrero-Latorre, 2018, Graphene and carbon nanotubes as solid phase extraction sorbents for the speciation of chromium: a review, Anal Chim Acta, 1002, 1, 10.1016/j.aca.2017.11.042

Pang, 2019, Recent advances in composites of graphene and layered double hydroxides for water remediation: a review, Chem – An Asian J, 14, 2542, 10.1002/asia.201900493

Liu, 2019, Graphene oxide-based materials for efficient removal of heavy metal ions from aqueous solution: a review, Environ Pollut, 252, 62, 10.1016/j.envpol.2019.05.050

Perreault, 2015, Environmental applications of graphene-based nanomaterials, Chem Soc Rev, 44, 5861, 10.1039/C5CS00021A

Wang, 2015, Facile synthesis of polypyrrole decorated reduced graphene oxide – Fe3O4 magnetic composites and its application for the Cr(VI) removal, Chem Eng J, 262, 597, 10.1016/j.cej.2014.10.020

Reza, 2017, Comparative study on ultrasonic assisted adsorption of dyes from single system onto Fe3O4 magnetite nanoparticles loaded on activated carbon: experimental design methodology, Ultrason Sonochem, 34, 294, 10.1016/j.ultsonch.2016.05.047

Rajput, 2016, Magnetic magnetite (Fe3O4) nanoparticle synthesis and applications for lead (Pb2+) and chromium (Cr6+) removal from water, J Colloid Interface Sci, 468, 334, 10.1016/j.jcis.2015.12.008

Wang, 2013, Multifunctional Fe3O4/graphene oxide nanocomposites for magnetic resonance imaging and drug delivery, Mater Chem Phys, 141, 997, 10.1016/j.matchemphys.2013.06.054

Pu, 2018, In situ co-precipitation preparation of a superparamagnetic graphene oxide/Fe3O4 nanocomposite as an adsorbent for wastewater purification: synthesis, characterization, kinetics, and isotherm studies, Environ, Sci Pollut Res, 25, 17310, 10.1007/s11356-018-1872-y

Raghu, 2017, Adsorption and antimicrobial studies of chemically bonded magnetic graphene oxide- Fe3O4 nanocomposite for water purification, J Water Process Eng, 17, 22, 10.1016/j.jwpe.2017.03.001

Alam, 2017, Synthesis of graphene oxide (GO) by modified hummers method and its thermal reduction to obtain reduced graphene oxide (rGO), Graphene, 6, 1, 10.4236/graphene.2017.61001

Supriyanto, 2018, Graphene oxide from Indonesian biomass: synthesis and characterization, BioResources, 13, 4832, 10.15376/biores.13.3.4832-4840

Eriksen, 2017, The importance of cellulose content and wood density for attack of waterlogged archaeological wood by the shipworm, Teredo navalis, J Cult Herit, 28, 75, 10.1016/j.culher.2017.06.005

Sheikhmohammadi, 2018, Application of graphene oxide modified with 8-hydroxyquinoline for the adsorption of Cr(VI) from wastewater: optimization, kinetic, thermodynamic and equilibrium studies, J Mol Liq, 233, 75, 10.1016/j.molliq.2017.02.101

Shao, 2012, Graphene oxide: the mechanisms of oxidation and exfoliation, J Mater Sci, 4400, 10.1007/s10853-012-6294-5

Zhang, 2016, A novel modified graphene oxide/chitosan composite used as an adsorbent for Cr(VI) in aqueous solutions, Int J Biol Macromol, 87, 586, 10.1016/j.ijbiomac.2016.03.027

Zubir, 2014, Optimisation of graphene oxide-iron oxide nanocomposite in heterogeneous Fenton-like oxidation of Acid Orange 7, J Environ Chem Eng, 2, 1881, 10.1016/j.jece.2014.08.001

Jaleh, 2016, Synthesis, characterization, magnetic and catalytic properties of graphene oxide/Fe3O4, J Mater Sci Mater Electron

Sammaiah, 2018, Synthesis of magnetic Fe3O4/graphene oxide nanocomposites and their tribological properties under magnetic field, Mater Res Express, 5, 105006, 10.1088/2053-1591/aadaab

Wu, 2017, Activated biochar prepared by pomelo peel using H3PO4 for the adsorption of hexavalent chromium: performance and mechanism, Water Air Soil Pollut, 1

Alizadeh, 2017, Graphene oxide/Fe3O4/SO3H nanohybrid: a new adsorbent for adsorption and reduction of Cr(VI) from aqueous solutions, RSC Adv, 7, 14876, 10.1039/C7RA01536D

Hu, 2017, Ethylenediamine grafted to graphene oxide@Fe3O4 for chromium(VI) decontamination: performance, modelling, and fractional factorial design, PLOS ONE, 1

Neolaka, 2018, Characterization, isotherm, and thermodynamic data for selective adsorption of Cr(VI) from aqueous solution by Indonesia (Ende-Flores) natural zeolite Cr(VI)-imprinted-poly(4-VP-co-EGDMA)-ANZ (IIP-ANZ), Data Br, 17, 1020, 10.1016/j.dib.2018.01.081

El-shafai, 2019, Fabrication and characterization of graphene oxide – titanium dioxide nanocomposite for degradation of some toxic insecticides, J Ind Eng Chem, 69, 315, 10.1016/j.jiec.2018.09.045

Danesh, 2016, Fabrication, characterization and physical properties of a novel magnetite graphene oxide/Lauric acid nanoparticles modi fied by ethylenediaminetetra acetic acid and its applications as an adsorbent for the removal of Pb(II) ions, Synth Met, 220, 508, 10.1016/j.synthmet.2016.07.025

Tang, 2012, Synthesis of graphene-supported Li4Ti5O12 nanosheets for high rate battery application, J Mater Chem, 22, 11257, 10.1039/c2jm30624g

Raghu, 2017, Adsorption and antimicrobial studies of chemically bonded magnetic graphene oxide-Fe3O4 nanocomposite for water purification Journal of Water Process Engineering Adsorption and antimicrobial studies of chemically bonded magnetic graphene oxide-Fe3O4, J Water Process Eng, 17, 22, 10.1016/j.jwpe.2017.03.001

Tan, 2016, Competitive adsorption of Cu2+, Cd2+ and Ni2+ from an aqueous solution on graphene oxide membranes, Colloids Surf A: Physicochem Eng Asp, 509, 56, 10.1016/j.colsurfa.2016.08.081

Prasad, 2017, Bio-inspired green synthesis of RGO/Fe3O4 magnetic nanoparticles using Murrayakoenigii leaves extract and its application for removal of Pb(II) from aqueous solution, J Environ Chem Eng, 10.1016/j.jece.2017.07.026

Dimiev, 2014, Terms of use mechanism of graphene oxide formation, ACS Nano, 3060, 10.1021/nn500606a

Vu, 2017, Magnetite graphene oxide encapsulated in alginate beads for enhanced adsorption of Cr(VI) and As(V) from aqueous solutions: role of crosslinking metal cations in pH control, Chem Eng J, 307, 220, 10.1016/j.cej.2016.08.058

Yoon, 2016, Comparative evaluation of magnetite-graphene oxide and magnetite-reduced graphene oxide composite for As(III) and As(V) removal, J Hazard Mater, 304, 196, 10.1016/j.jhazmat.2015.10.053

Aly, 2018, Graphene oxide: Follow the oxidation mechanism and its application in water treatment, J Mol Liq, 265, 226, 10.1016/j.molliq.2018.05.127

Huang, 2018, A novel ion-imprinted polymer based on graphene oxide-mesoporous silica nanosheet for fast and efficient removal of chromium (VI) from aqueous solution, J Colloid Interface Sci, 514, 544, 10.1016/j.jcis.2017.12.065

Li, 2018, Magnetic graphene oxide functionalized by poly dimethyl diallyl ammonium chloride for efficient removal of Cr(VI), J Taiwan Inst Chem Eng, 91, 449, 10.1016/j.jtice.2018.05.028

Wang, 2017, Synthesis of a multifunctional graphene oxide-based magnetic nanocomposite for efficient removal of Cr(VI), Langmuir, 33, 7007, 10.1021/acs.langmuir.7b01293

Yang, 2020, Synergistic removal and reduction of U(VI) and Cr(VI) by Fe3S4 micro-crystal, Chem Eng J, 385, 123909, 10.1016/j.cej.2019.123909

Yang, 2019, Ultrahigh sorption and reduction of Cr(VI) by two novel core-shell composites combined with Fe3O4 and MoS2, J Hazard Mater, 379, 120797, 10.1016/j.jhazmat.2019.120797

Zhou, 2017, 11042

Tan, 2017, Insight into the adsorption kinetics models for the removal of contaminants from aqueous solutions, J Taiwan Inst Chem Eng, 74, 25, 10.1016/j.jtice.2017.01.024

Neolaka, 2019, Synthesis and characterization of natural zeolite with ordered ion imprinted polymer structures (IIP@AFINZ) for selective Cr(VI) adsorption from aqueous solution, Moroccan J Chem, 7, 194

Neolaka, 2018, Characterization, kinetic, and isotherm data for Cr(VI) removal from aqueous solution by Cr(VI)-imprinted poly(4-VP-co-MMA) supported on activated Indonesia (Ende-Flores) natural zeolite structure, Data Br, 17, 969, 10.1016/j.dib.2018.01.076

Azizian, 2010, A new empirical rate equation for adsorption kinetics at solid/solution interface, Appl Surf Sci, 256, 5153, 10.1016/j.apsusc.2009.12.080

Akram, 2017, Biocomposite efficiency for Cr (VI) adsorption: kinetic, equilibrium and thermodynamics studies, J, Environ Chem Eng, 5, 400, 10.1016/j.jece.2016.12.002

Kecili, 2018, Mechanism of adsorption on nanomaterials, 89

Samuel, 2018, Preparation of graphene oxide/chitosan/ferrite nanocomposite for chromium(VI) removal from aqueous solution, Int J Biol Macromol, 119, 540, 10.1016/j.ijbiomac.2018.07.052

Neolaka, 2018, Adsorption performance of Cr(VI)-imprinted poly(4-VP-co-MMA) supported on activated Indonesia (Ende-Flores) natural zeolite structure for Cr(VI) removal from aqueous solution, J Environ Chem Eng, 6, 3436, 10.1016/j.jece.2018.04.053

Neolaka, 2020, A Cr(VI)-imprinted-poly(4-VP-co-EGDMA) sorbent prepared using precipitation polymerization and its application for selective adsorptive removal and solid phase extraction of Cr(VI) ions from electroplating industrial wastewater, React Funct Polym, 147, 104451, 10.1016/j.reactfunctpolym.2019.104451

Ayawei, 2017, Modelling and interpretation of adsorption isotherms, J Chem, 2017, 1, 10.1155/2017/3039817

Chaudhry, 2017, Equilibrium, kinetic and thermodynamic studies of Cr(VI) adsorption from aqueous solution onto manganese oxide coated sand grain (MOCSG), J Mol Liq, 236, 320, 10.1016/j.molliq.2017.04.029

Duranoĝlu, 2012, Kinetics and thermodynamics of hexavalent chromium adsorption onto activated carbon derived from acrylonitrile-divinylbenzene copolymer, Chem Eng J, 187, 193, 10.1016/j.cej.2012.01.120

Xue, 2017, Adsorption equilibrium, kinetics, and thermodynamic studies of cefpirome sulfate by using macroporous resin, Chem Eng Data, 62, 4266, 10.1021/acs.jced.7b00629