Activation mechanism of peroxymonosulfate by biochar for catalytic degradation of 1,4-dioxane: Important role of biochar defect structures

Eberle, 2016, Peroxone activated persulfate treatment of 1,4-dioxane in the presence of chlorinated solvent co-contaminants, Chemosphere, 144, 728, 10.1016/j.chemosphere.2015.08.063

Barndõk, 2014, Electrooxidation of industrial wastewater containing 1,4-dioxane in the presence of different salts, Environ. Sci. Pollut. R, 21, 5701, 10.1007/s11356-013-2483-2

Ouyang, 2017, Degradation of 1,4-dioxane by biochar supported nano magnetite particles activating persulfate, Chemosphere, 184, 609, 10.1016/j.chemosphere.2017.05.156

Zhao, 2014, Degradation of 1,4-dioxane in water with heat- and Fe2+-activated persulfate oxidation, Environ. Sci. Pollut. R, 21, 7457, 10.1007/s11356-014-2668-3

Zhong, 2015, In-situ activation of persulfate by iron filings and degradation of 1,4-dioxane, Water Res., 83, 104, 10.1016/j.watres.2015.06.025

Chen, 2017, Heterogeneously catalyzed persulfate by CuMgFe layered double oxide for the degradation of phenol, Appl. Catal. A, 538, 19, 10.1016/j.apcata.2017.03.020

Fang, 2015, Manipulation of persistent free radicals in biochar to activate persulfate for contaminant degradation, Environ. Sci. Technol., 49, 5645, 10.1021/es5061512

Fang, 2017, Homogenous activation of persulfate by different species of vanadium ions for PCBs degradation, Chem. Eng. J., 323, 84, 10.1016/j.cej.2017.04.092

Fu, 2017, A novel solid digestate-derived biochar-Cu NP composite activating H2O2 system for simultaneous adsorption and degradation of tetracycline, Environ. Pollut., 221, 301, 10.1016/j.envpol.2016.11.078

Wang, 2017, Pyrolytic temperature dependent conversion of sewage sludge to carbon catalyst and their performance in persulfate degradation of 2-Naphthol, Chem. Eng. J., 324, 203, 10.1016/j.cej.2017.04.101

Sun, 2017, Activation of peroxymonosulfate by nitrogen-functionalized sludge carbon for efficient degradation of organic pollutants in water, Bioresour. Technol., 241, 244, 10.1016/j.biortech.2017.05.102

Anipsitakis, 2003, Degradation of organic contaminants in water with sulfate radicals generated by the conjunction of peroxymonosulfate with cobalt, Environ. Sci. Technol., 37, 4790, 10.1021/es0263792

Huang, 2016, Importance of reagent addition order in contaminant degradation in an Fe(II)/PMS system, Rsc Adv., 6, 70271, 10.1039/C6RA14081E

Shukla, 2010, Activated carbon supported cobalt catalysts for advanced oxidation of organic contaminants in aqueous solution, Appl. Catal. B, 100, 529, 10.1016/j.apcatb.2010.09.006

Cai, 2015, Ultrasound enhanced heterogeneous activation of peroxymonosulfate by a bimetallic Fe-Co/SBA-15 catalyst for the degradation of Orange II in water, J. Hazard. Mater., 283, 70, 10.1016/j.jhazmat.2014.08.053

Takdastan, 2018, Efficient activation of peroxymonosulfate by using ferroferric oxide supported on carbon/UV/US system: a new approach into catalytic degradation of bisphenol A, Chem. Eng. J., 331, 729, 10.1016/j.cej.2017.09.021

Mahdi-Ahmed, 2014, Ciprofloxacin oxidation by UV-C activated peroxymonosulfate in wastewater, J. Hazard. Mater., 265, 41, 10.1016/j.jhazmat.2013.11.034

Babaei, 2017, Comparative treatment of textile wastewater by adsorption, Fenton, UV-Fenton and US-Fenton using magnetic nanoparticles-functionalized carbon (MNPs@C), J. Ind. Eng. Chem., 56, 163, 10.1016/j.jiec.2017.07.009

Golshan, 2018, Photocatalytic activation of peroxymonosulfate by TiO2 anchored on cupper ferrite (TiO2@CuFe2O4) into 2,4-D degradation: process feasibility, mechanism and pathway, J. Hazard. Mater., 359, 325, 10.1016/j.jhazmat.2018.06.069

Jorfi, 2017, A novel combination of oxidative degradation for benzotriazoleremoval using TiO2 loaded on FeIIFe2IIIO4@C as an efficient activator ofperoxymonosulfate, Appl. Catal. B, 219, 216, 10.1016/j.apcatb.2017.07.035

Ghanbaric, 2017, Application of peroxymonosulfate and its activation methods for degradation of environmental organic pollutants: review, Chem. Eng. J., 310, 41, 10.1016/j.cej.2016.10.064

Fang, 2015, Mechanism of hydroxyl radical generation from biochar suspensions: implications to diethyl phthalate degradation, Bioresour. Technol., 176, 210, 10.1016/j.biortech.2014.11.032

Lin, 2016, Accelerated decomposition of Oxone using graphenelike carbon nitride with visible light irradiation for enhanced decolorization in water, J. Taiwan Inst. Chem. Eng., 60, 423, 10.1016/j.jtice.2015.10.046

Wu, 2018, Insights into the mechanism of persulfate activated by rice straw biochar for the degradation of aniline, Chemosphere, 200, 373, 10.1016/j.chemosphere.2018.02.110

Xie, 2014, Adsorption of sulfonamides to demineralized pine wood biochars prepared under different thermochemical conditions, Environ. Pollut., 186, 187, 10.1016/j.envpol.2013.11.022

Zhang, 2011, Sorption of simazine to corn straw biochars prepared at different pyrolytic temperatures, Environ. Pollut., 159, 2594, 10.1016/j.envpol.2011.06.012

Tong, 2016, Production of abundant hydroxyl radicals from oxygenation of subsurface sediments, Environ. Sci. Technol., 50, 214, 10.1021/acs.est.5b04323

Yang, 2015, Degradation of p-Nitrophenol on biochars: role of persistent free radicals, Environ. Sci. Technol., 50, 694, 10.1021/acs.est.5b04042

Chen, 2008, Transitional adsorption and partition of nonpolar and polar aromatic contaminants by biochars of pine needles with different pyrolytic temperatures, Environ. Sci. Technol., 42, 5137, 10.1021/es8002684

Chia, 2012, Imaging of mineral-enriched biochar by FTIR, Raman and SEM-EDX, Vib. Spectrosc., 62, 248, 10.1016/j.vibspec.2012.06.006

Duan, 2015, Nitrogen-doped graphene for generation and evolution of reactive radicals by metal-free catalysis, Acs Appl. Mater. Interfaces, 7, 4169, 10.1021/am508416n

Sun, 2012, Reduced graphene oxide for catalytic oxidation of aqueous organic pollutants, Acs Appl. Mater. Interfaces, 4, 5466, 10.1021/am301372d

Liu, 2016, Nitrogen and sulfur co-doped CNT-COOH as an efficient metal-free catalyst for the degradation of UV filter BP-4 based on sulfate radicals, Appl. Catal. B, 187, 1, 10.1016/j.apcatb.2016.01.036

Fontmorin, 2016, Stability of 5,5-dimethyl-1-pyrroline-N-oxide as a spin-trap for quantification of hydroxyl radicals in processes based on Fenton reaction, Water Res., 99, 24, 10.1016/j.watres.2016.04.053

Wang, 2015, Nitrogen-doped reduced graphene oxide as a bifunctional material for removing bisphenols: synergistic effect between adsorption and catalysis, Environ. Sci. Technol., 49, 6855, 10.1021/acs.est.5b01059

Lau, 2007, The aqueous degradation of butylated hydroxyanisole by UV/S2O82-: study of reaction mechanisms via dimerization and mineralization, Environ. Sci. Technol., 41, 613, 10.1021/es061395a

Liu, 2013, Physical and chemical activation of reduced graphene oxide for enhanced adsorption and catalytic oxidation, Nanoscale, 6, 766, 10.1039/C3NR04282K

Yuan, 2018, Nanostructured Co3O4 grown on nickel foam: An efficient and readily recyclable 3D catalyst for heterogeneous peroxymonosulfate activation, Chemosphere, 198, 204, 10.1016/j.chemosphere.2018.01.135

Ahmadi, 2019, Organic dye degradation through peroxymonosulfate catalyzed by reusable graphite felt/ferriferrous oxide: mechanism and identification of intermediates, Mater. Res. Bull., 111, 43, 10.1016/j.materresbull.2018.10.027

Shao, 2017, Heterogeneous activation of peroxymonosulfate by amorphous boron for degradation of bisphenol S, J. Hazard. Mater., 322, 532, 10.1016/j.jhazmat.2016.10.020

Spiro, 1979, The standard potential of the peroxosulphate/sulphate couple, Electrochim. Acta, 24, 313, 10.1016/0013-4686(79)85051-3

Feng, 2017, Surface-bound sulfate radical-dominated degradation of 1,4-dioxane by alumina-supported palladium (Pd/Al2O3) catalyzed peroxymonosulfate, Water Res., 120, 12, 10.1016/j.watres.2017.04.070

Cheng, 2017, Non-photochemical production of singlet oxygen via activation of persulfate by carbon nanotubes, Water Res., 113, 80, 10.1016/j.watres.2017.02.016

Zhou, 2017, Activation of peroxymonosulfate by phenols: important role of quinone intermediates and involvement of singlet oxygen, Water Res., 125, 209, 10.1016/j.watres.2017.08.049

Jaafarzadeha, 2017, Photo assisted electro-peroxone to degrade 2,4-D herbicide: the effects of supporting electrolytes and determining mechanism, Process Saf. Environ., 111, 520, 10.1016/j.psep.2017.08.012

Liu, 2015, Activation of peroxymonosulfate with magnetic Fe3O4-MnO2 core-shell nanocomposites for 4-chlorophenol degradation, Chem. Eng. J., 262, 854, 10.1016/j.cej.2014.10.043

Wang, 2015, 3D-hierarchically structured MnO2 for catalytic oxidation of phenol solutions by activation of peroxymonosulfate: structure dependence and mechanism, Appl. Catal. B, 164, 159, 10.1016/j.apcatb.2014.09.004

Zhu, 2016, Efficient transformation of DDTs with persulfate activation by zero-valent iron nanoparticles: a mechanistic study, J. Hazard. Mater., 316, 232, 10.1016/j.jhazmat.2016.05.040

He, 2015, Destruction of microcystins (cyanotoxins) by UV-254nm-based direct photolysis and advanced oxidation processes (AOPs): influence of variable amino acids on the degradation kinetics and reaction mechanisms, Water Res., 74, 227, 10.1016/j.watres.2015.02.011

Fang, 2014, Key role of persistent free radicals in hydrogen peroxide activation by biochar: implications to organic contaminant degradation, Environ. Sci. Technol., 48, 1902, 10.1021/es4048126

Estrade-Szwarckopf, 2004, XPS photoemission in carbonaceous materials: A “defect” peak beside the graphitic asymmetric peak, Carbon, 42, 1713, 10.1016/j.carbon.2004.03.005

Smith, 2016, Improving the deconvolution and interpretation of XPS spectra from chars by ab initio calculations, Carbon, 110, 155, 10.1016/j.carbon.2016.09.012

Duan, 2016, Unveiling the active sites of graphene-catalyzed peroxymonosulfate activation, Carbon, 107, 371, 10.1016/j.carbon.2016.06.016

Li, 2016, Simultaneous degradation of 1,1,1-trichloroethane and solvent stabilizer 1,4-dioxane by a sono-activated persulfate process, Chem. Eng. J., 284, 750, 10.1016/j.cej.2015.08.153