N-doped graphitic biochars from C-phycocyanin extracted Spirulina residue for catalytic persulfate activation toward nonradical disinfection and organic oxidation

Ahmed, 2017, Competitive sorption affinity of sulfonamides and chloramphenicol antibiotics toward functionalized biochar for water and wastewater treatment, Bioresour. Technol., 238, 10.1016/j.biortech.2017.04.042 Borowitzka, 2013, High-value products from microalgae-their development and commercialisation, J. Appl. Phycol., 25, 743, 10.1007/s10811-013-9983-9 Chaiklahan, 2018, Stepwise extraction of high-value chemicals from Arthrospira (Spirulina) and an economic feasibility study, Biotechnol. Rep., 20 Chang, 2018, Isolation of C-phycocyanin from Spirulina platensis microalga using Ionic liquid based aqueous two-phase system, Bioresour. Technol., 270, 320, 10.1016/j.biortech.2018.07.138 Chen, 2017, Efficient bacterial inactivation by transition metal catalyzed auto-oxidation of sulfite, Environ. Sci. Technol., 51, 12663, 10.1021/acs.est.7b03705 Chen, 2018, Graphene- and CNTs-based carbocatalysts in persulfates activation: material design and catalytic mechanisms, Chem. Eng. J., 354, 941, 10.1016/j.cej.2018.08.049 Chen, 2018, Integration of sludge digestion and microalgae cultivation for enhancing bioenergy and biorefinery, Renew. Sustain. Energy Rev., 96, 76, 10.1016/j.rser.2018.07.028 Chen, 2017, Waste biorefineries - integrating anaerobic digestion and microalgae cultivation for bioenergy production, Curr. Opin. Biotechnol., 50, 101, 10.1016/j.copbio.2017.11.017 Chen, 2018, Highly efficient adsorption of dyes by biochar derived from pigments-extracted macroalgae pyrolyzed at different temperature, Bioresour. Technol., 259, 104, 10.1016/j.biortech.2018.02.094 Cui, 2018, Constructing ultrathin g-C3N4 nanosheets with hierarchical pores by NaClO induced wet etching for efficient photocatalytic Cr(VI) detoxification under visible light irradiation, Diam. Relat. Mater., 88, 51, 10.1016/j.diamond.2018.06.016 Dalrymple, 2010, A review of the mechanisms and modeling of photocatalytic disinfection, Appl. Catal., B, 98, 27, 10.1016/j.apcatb.2010.05.001 Duan, 2015, Insights into N-doping in single-walled carbon nanotubes for enhanced activation of superoxides: a mechanistic study, Chem. Commun., 51, 15249, 10.1039/C5CC05101K Duan, 2018, Nonradical reactions in environmental remediation processes: uncertainty and challenges, Appl. Catal., B, 224, 973, 10.1016/j.apcatb.2017.11.051 Duan, 2018, Metal-free carbocatalysis in advanced oxidation reactions, Acc. Chem. Res., 51, 678, 10.1021/acs.accounts.7b00535 Eriksen, 2008, Production of phycocyanin-a pigment with applications in biology, biotechnology, foods and medicine, Appl. Microbiol. Biotechnol., 80, 1, 10.1007/s00253-008-1542-y Fang, 2015, Manipulation of persistent free radicals in biochar to activate persulfate for contaminant degradation, Environ. Sci. Technol., 49, 5645, 10.1021/es5061512 Hale, 2012, Quantifying the total and bioavailable polycyclic aromatic hydrocarbons and dioxins in biochars, Environ. Sci. Technol., 46, 2830, 10.1021/es203984k Hill, 2012, A simple route to full structural analysis of biophosphates and their application to materials discovery, Dalton Trans., 41, 5497, 10.1039/c2dt00023g Ho, 2018, Combining light strategies with recycled medium to enhance the economic feasibility of phycocyanin production with Spirulina platensis, Bioresour. Technol., 247, 669, 10.1016/j.biortech.2017.09.165 Ho, 2011, Perspectives on microalgal CO₂-emission mitigation systems - a review, Biotechnol. Adv., 29, 189, 10.1016/j.biotechadv.2010.11.001 Jain, 2017, Theoretical analysis of electron vibration interactions and study of photo physical properties in Ce3+ doped Ca2P2O7 nano phosphor capped with SHMP, Mater. Chem. Phys., 196, 213, 10.1016/j.matchemphys.2017.04.067 Ji, 2012, Reduced graphene oxide/nickel nanocomposites: facile synthesis, magnetic and catalytic properties, J. Mater. Chem., 22, 3471, 10.1039/c2jm14680k Kang, 2018, Nitrogen-doped bamboo-like carbon nanotubes with Ni encapsulation for persulfate activation to remove emerging contaminants with excellent catalytic stability, Chem. Eng. J., 332, 398, 10.1016/j.cej.2017.09.102 Kappler, 2014, Biochar as an electron shuttle between bacteria and Fe(III) minerals, Environ. Sci. Technol. Lett., 1, 339, 10.1021/ez5002209 Kolay, 2018, Blue light emitting Eu doped Ca2P2O7 and Ba2P2O7 particles synthesized at low temperatures, Solid State Sci., 85, 26, 10.1016/j.solidstatesciences.2018.09.007 Kuddus, 2013, Recent developments in production and biotechnological applications of C-phycocyanin, BioMed Res. Int., 2013, 742859 Lee, 2016, Activation of persulfates by graphitized nanodiamonds for removal of organic compounds, Environ. Sci. Technol., 50, 10134, 10.1021/acs.est.6b02079 Liang, 2017, N-doped graphene from metal–organic frameworks for catalytic oxidation of p-hydroxylbenzoic acid: N-functionality and mechanism, ACS Sustain. Chem. Eng., 5, 2693, 10.1021/acssuschemeng.6b03035 Liu, 2018, Negative impacts of biochars on urease activity: high pH, heavy metals, polycyclic aromatic hydrocarbons, or free radicals?, Environ. Sci. Technol., 52, 12740, 10.1021/acs.est.8b00672 Matzek, 2016, Activated persulfate for organic chemical degradation: a review, Chemosphere, 151, 178, 10.1016/j.chemosphere.2016.02.055 Michael-Kordatou, 2018, The role of operating parameters and oxidative damage mechanisms of advanced chemical oxidation processes in the combat against antibiotic-resistant bacteria and resistance genes present in urban wastewater, Water Res., 129, 208, 10.1016/j.watres.2017.10.007 Nakajima, 2007, Polycyclic aromatic hydrocarbon generation behavior in the process of carbonization of wood, Bull. Environ. Contam. Toxicol., 79, 221, 10.1007/s00128-007-9177-8 Nautiyal, 2016, Adsorptive removal of dye using biochar derived from residual algae after in-situ transesterification: alternate use of waste of biodiesel industry, J. Environ. Manag., 182, 187 Oh, 2016, Generation of sulfate radical through heterogeneous catalysis for organic contaminants removal: current development, challenges and prospects, Appl. Catal., B, 194, 169, 10.1016/j.apcatb.2016.04.003 Pan, 2014, Nitrogen-doped porous carbon nanosheets made from biomass as highly active electrocatalyst for oxygen reduction reaction, J. Pow. Sour., 272, 8, 10.1016/j.jpowsour.2014.07.180 Papadaki, 2017, Environmental impact of phycocyanin recovery from Spirulina platensis cyanobacterium, Innov. Food Sci. Emerg. Technol., 44, 217, 10.1016/j.ifset.2017.02.014 Parnaudeau, 2007, The organic matter composition of various wastewater sludges and their neutral detergent fractions as revealed by pyrolysis-GC/MS, J. Anal. Appl. Pyrolysis, 78, 140, 10.1016/j.jaap.2006.06.002 Raja, 2016, Recent developments in therapeutic applications of Cyanobacteria, Crit. Rev. Microbiol., 42, 394 Sarsekeyeva, 2015, Cyanofuels: biofuels from cyanobacteria. Reality and perspectives, Photosynth. Res., 125, 329, 10.1007/s11120-015-0103-3 Shao, 2018, Identification and regulation of active sites on nanodiamonds: establishing a highly efficient catalytic system for oxidation of organic contaminants, Adv. Funct. Mater., 28, 1705295, 10.1002/adfm.201705295 Wang, 2018, Activation of persulfate (PS) and peroxymonosulfate (PMS) and application for the degradation of emerging contaminants, Chem. Eng. J., 334, 1502, 10.1016/j.cej.2017.11.059 Wang, 2018, Enhanced visible light-driven photocatalytic bacterial inactivation by ultrathin carbon-coated magnetic cobalt ferrite nanoparticles, Environ. Sci. Technol., 52, 4774, 10.1021/acs.est.7b06537 Wang, 2014, Facile one-pot preparation of chitosan/calcium pyrophosphate hybrid microflowers, ACS Appl. Mater. Interfaces, 6, 14522, 10.1021/am503787h Xiao, 2018, Activation of peroxymonosulfate/persulfate by nanomaterials for sulfate radical-based advanced oxidation technologies, Curr. Opin. Chem. Eng., 19, 51, 10.1016/j.coche.2017.12.005 Xiao, 2018, Insight into multiple and multi-level structures of biochars and their potential environmental applications: a critical review, Environ. Sci. Technol., 52, 5027, 10.1021/acs.est.7b06487 Xu, 2017, Indispensable role of biochar-inherent mineral constituents in its environmental applications: a review, Bioresour. Technol., 241, 887, 10.1016/j.biortech.2017.06.023 Yang, 2016, Degradation of p-nitrophenol on biochars: role of persistent free radicals, Environ. Sci. Technol., 50, 694, 10.1021/acs.est.5b04042 Yang, 2019, Characterization and ecotoxicological investigation of biochar produced via slow pyrolysis: effect of feedstock composition and pyrolysis conditions, J. Hazard Mater., 365, 178, 10.1016/j.jhazmat.2018.10.047 Yang, 1998, Synthesis of biphasic ceramics of hydroxyapatite and β-tricalcium phosphate with controlled phase content and porosity, J. Mater. Chem., 8, 2233, 10.1039/a802067a Yun, 2018, Identifying the nonradical mechanism in the peroxymonosulfate activation process: singlet oxygenation versus mediated electron transfer, Environ. Sci. Technol., 52, 7032, 10.1021/acs.est.8b00959 Yun, 2017, Exploring the role of persulfate in the activation process: radical precursor versus electron acceptor, Environ. Sci. Technol., 51, 10090, 10.1021/acs.est.7b02519 Zhang, 2019, Fast and efficient inactivation of antibiotic resistant Escherichia coli by iron electrode-activated sodium peroxydisulfate in a galvanic cell, Chem. Eng. J., 355, 150, 10.1016/j.cej.2018.08.065 Zhou, 2018, New insight into the mechanism of peroxymonosulfate activation by sulfur-containing minerals: role of sulfur conversion in sulfate radical generation, Water Res., 142, 208, 10.1016/j.watres.2018.06.002