References
   -  Z. Yang, J. Chen, H. Li, H. Jin, S. Gao, Z. Ji, Y. Zhu, L. Ran,
    J. Zhang, Y. Liao, Y. Bai, Sources of nitrate in Xiangshan Bay
    (China), as identified using nitrogen and oxygen isotopes,
    Estuarine Coastal Shelf Sci., 207 (2018) 109–118. 
-  C.W. Drake, C.S. Jones, K.E. Schilling, A.A. Amado, L.J. Weber,
    Estimating nitrate-nitrogen retention in a large constructed
    wetland using high-frequency, continuous monitoring and
    hydrologic modeling, Ecol. Eng., 117 (2018) 69–83. 
-  T. Darwish, T. Atallah, R. Francis, C. Saab, I. Jomaa, A. Shaaban,
    H. Sakka, P. Zdruli, Observations on soil and groundwater
    contamination with nitrate: a case study from Lebanon-East
    Mediterranean, Agric. Water Manage., 99 (2011) 74–84. 
-  M. Massoudinejad, M. Ghaderpoori, A. Jafari, J. Nasehifar,
    A. Malekzadeh, A. Ghaderpoury, Data on nitrate and nitrate of
    Taham dam in Zanjan (Iran), Data Brief, 17 (2018) 431–437. 
-  MEPPRC, Ministry of Environmental Protection of the People’s
    Republic of China (MEPPRC), C.E.S. Bulletin, Ed., Beijing, 2018
    (in Chinese). 
-  L. Dong, L. Lin, Q. Li, Z. Huang, X. Tang, M. Wu, C. Li, X. Cao,
    M. Scholz, Enhanced nitrate-nitrogen removal by modified
    attapulgite-supported nanoscale zero-valent iron treating
    simulated groundwater, J. Environ. Manage., 213 (2018) 151–158. 
-  E.B. Baker, W.J. Showers, Hysteresis analysis of nitrate dynamics
    in the Neuse River, NC, Sci. Total Environ., 652 (2018) 889–899. 
-  M. Zhang, Y. Li, X. Long, Y. Chong, G. Yu, Z. He, An alternative
    approach for nitrate and arsenic removal from wastewater
    via a nitrate-dependent ferrous oxidation process, J. Environ.
    Manage., 220 (2018) 246–252. 
-  K. Hiller-Bittrolff, K. Foreman, A.N. Bulseco-McKim, J. Benoit,
    J.L. Bowen, Effects of mercury addition on microbial community
    composition and nitrate removal inside permeable reactive
    barriers, Environ. Pollut., 242 (2018) 797–806. 
-  S. Beganskas, G. Gorski, T. Weathers, A.T. Fisher, C. Schmidt,
    C. Saltikov, K. Redford, B. Stoneburner, R. Harmon, W. Weir,
    A horizontal permeable reactive barrier stimulates nitrate
    removal and shifts microbial ecology during rapid infiltration
    for managed recharge, Water Res., 144 (2018) 274–284. 
-  H.I. Uzun, E. Debik, Economical approach to nitrate removal
    via membrane capacitive deionization, Sep. Purif. Technol.,
    209 (2019) 776–781. 
-  Q. Gao, C.-Z. Wang, S. Liu, D. Hanigan, S.-T. Liu, H.-Z. Zhao,
    Ultrafiltration membrane microreactor (MMR) for simultaneous
    removal of nitrate and phosphate from water, Chem. Eng. J.,
    355 (2019) 238–246. 
-  X. Zhou, X. Zhang, Z. Zhang, Y. Liu, Full nitration-denitration
    versus partial nitration-denitration-anammox for treating
    high-strength ammonium-rich organic wastewater, Bioresour.
    Technol., 261 (2018) 379–384. 
-  Y. Huang, X. Chen, P. Li, G. Chen, L. Peng, L. Pan, Pressurized
    microcystis can help to remove nitrate from eutrophic water,
    Bioresour. Technol., 248 (2018) 140–145. 
-  X. Lei, F. Liu, M. Li, X. Ma, X. Wang, H. Zhang, Fabrication and
    characterization of a Cu-Pd-TNPs polymetallic nanoelectrode
    for electrochemically removing nitrate from groundwater,
    Chemosphere, 212 (2018) 237–244. 
-  J. El Mastour, S.E. El Qouatli, A. Chtaini, Electrochemical
    chelation and reduction of nitrate ion on EDTA modified carbon
    paste electrode, Sens. Bio-Sens. Res., 21 (2018) 17–21. 
-  J. Markovski, J. Garcia, K.D. Hristovski, P. Westerhoff, Nanoenabling
    of strong-base ion-exchange media via a roomtemperature
    aluminum (hydr)oxide synthesis method to
    simultaneously remove nitrate and fluoride, Sci. Total Environ.,
    599–600 (2017) 1848–1855. 
-  A. Wei, J. Ma, J. Chen, Y. Zhang, J. Song, X. Yu, Enhanced
    nitrate removal and high selectivity towards dinitrogen for
    groundwater remediation using biochar-supported nano zerovalent
    iron, Chem. Eng. J., 353 (2018) 595–605. 
-  M. Kalaruban, P. Loganathan, J. Kandasamy, R. Naidu,
    S. Vigneswaran, Enhanced removal of nitrate in an integrated
    electrochemical-adsorption system, Sep. Purif. Technol.,
    189 (2017) 260–266. 
-  M. Niu, W. Xu, S. Zhu, Y. Liang, Z. Cui, X. Yang, A. Inoue,
      Synthesis of nanoporous CuO/TiO2/Pd-NiO composite catalysts
    by chemical dealloying and their performance for methanol and
    ethanol electro-oxidation, J. Power Sources, 362 (2017) 10–19. 
-  E. Sahinkaya, A. Yurtsever, D. Ucar, A novel elemental sulfurbased
    mixotrophic denitrifying membrane bioreactor for
    simultaneous Cr(VI) and nitrate reduction, J. Hazard. Mater.,
    324 (2017) 15–21. 
-  D. Cecconet, S. Zou, A.G. Capodaglio, Z. He, Evaluation
    of energy consumption of treating nitrate-contaminated
    groundwater by bioelectrochemical systems, Sci. Total Environ.,
    636 (2018) 881–890. 
-  R. Li, C. Feng, B. Xi, N. Chen, Y. Jiang, Y. Zhao, M. Li,
    Q. Dang, B. Zhao, Nitrate removal efficiency of a mixotrophic
    denitrification wall for nitrate-polluted groundwater in situ
    remediation, Ecol. Eng., 106 (2017) 523–531. 
-  P. Chris Wilson, J.P. Albano, Novel flow-through bioremediation
    system for removing nitrate from nursery discharge water,
    J. Environ. Manage., 130 (2013) 192–198. 
-  M. Kalaruban, P. Loganathan, W.G. Shim, J. Kandasamy,
    G. Naidu, T.V. Nguyen, S. Vigneswaran, Removing nitrate from
    water using iron-modified Dowex 21K XLT ion exchange resin:
    batch and fluidised-bed adsorption studies, Sep. Purif. Technol.,
    158 (2016) 62–70. 
-  L. Ao, F. Xia, Y. Ren, J. Xu, D. Shi, S. Zhang, L. Gu, Q. He,
      Enhanced nitrate removal by micro-electrolysis using Fe0 and
    surfactant modified activated carbon, Chem. Eng. J., 357 (2019)
    180–187. 
-  Y. He, H. Lin, Y. Dong, B. Li, L. Wang, S. Chu, M. Luo,
    J. Liu, Zeolite supported Fe/Ni bimetallic nanoparticles for
    simultaneous removal of nitrate and phosphate: synergistic
    effect and mechanism, Chem. Eng. J., 347 (2018) 669–681. 
-  P. Kuang, N. Chen, C. Feng, M. Li, S. Dong, L. Lv, J. Zhang,
    Z. Hu, Y. Deng, Construction and optimization of an iron
    particle–zeolite packing electrochemical–adsorption system for
    the simultaneous removal of nitrate and by-products, J. Taiwan
    Inst. Chem. Eng., 86 (2018) 101–112. 
-  L. Zhao, H. Dong, R.E. Edelmann, Q. Zeng, A. Agrawal,
    Coupling of Fe(II) oxidation in illite with nitrate reduction and
    its role in clay mineral transformation, Geochim. Cosmochim.
    Acta, 200 (2017) 353–366. 
-  S. Cosnier, S. Da Silva, D. Shan, K. Gorgy, Electrochemical
    nitrate biosensor based on poly(pyrrole–viologen) film–nitrate
    reductase–clay composite, Bioelectrochemistry, 74 (2008) 47–51. 
-  E.K. Saeidabadi, T. Ebadzadeh, E. Salahi, Preparation of mullite
    from alumina/aluminum nitrate and kaolin clay through spark
    plasma sintering process, Ceram. Int., 44 (2018) 21053–21066. 
-  Z. Keshavarz, D. Mostofinejad, Porcelain and red ceramic
    wastes used as replacements for coarse aggregate in concrete,
    Constr. Build. Mater., 195 (2019) 218–230. 
-  A. Turner, Lead pollution of coastal sediments by ceramic
    waste, Mar. Pollut. Bull., 138 (2019) 171–176. 
-  M.S. Khan, M. Sohail, N.S. Khattak, M. Sayed, Industrial ceramic
    waste in Pakistan, valuable material for possible applications,
    J. Cleaner Prod., 139 (2016) 1520–1528. 
-  L.S. Čerović, S.K. Milonjić, M.B. Todorović, M.I. Trtanj,
    Y.S. Pogozhev, Y. Blagoveschenskii, E.A. Levashov, Point of zero
    charge of different carbides, Colloids Surf., A, 297 (2007) 1–6. 
-  M.P. Langeroudi, E. Binaeian, Tannin-APTES modified Fe3O4
    nanoparticles as a carrier of methotrexate drug: kinetic,
    isotherm and thermodynamic studies, Mater. Chem. Phys.,
    218 (2018) 210–217. 
-  A. Alshameri, H. He, J. Zhu, Y. Xi, R. Zhu, L. Ma, Q. Tao,
    Adsorption of ammonium by different natural clay minerals:
    characterization, kinetics and adsorption isotherms, Appl. Clay
    Sci., 159 (2018) 83–93. 
-  A. Meghdadi, Characterizing the capacity of hyporheic
    sediments to attenuate groundwater nitrate loads by adsorption,
    Water Res., 140 (2018) 364–376. 
-  A. Derylo-Marczewska, M. Blachnio, A.W. Marczewski,
    M. Seczkowska, B. Tarasiuk, Phenoxyacid pesticide adsorption
    on activated carbon – equilibrium and kinetics, Chemosphere,
    214 (2019) 349–360. 
-  K. Jafari, M. Heidari, O. Rahmanian, Wastewater treatment for
    amoxicillin removal using magnetic adsorbent synthesized by
    ultrasound process, Ultrason. Sonochem., 45 (2018) 248–256. 
-  C.H.C. Tan, S. Sabar, M.H. Hussin, Development of immobilized
    microcrystalline cellulose as an effective adsorbent for
    methylene blue dye removal, South Afr. J. Chem. Eng., 26 (2018)
    11–24. 
-  I. Gulgonul, M.S. Çelik, Understanding the flotation separation
    of Na and K feldspars in the presence of KCl through ion
    exchange and ion adsorption, Miner. Eng., 129 (2018) 41–46. 
-  C.-H. Zhou, D. Zhang, D.-S. Tong, L.-M. Wu, W.-H. Yu,
    S. Ismadji, Paper-like composites of cellulose acetate–organomontmorillonite
    
    for removal of hazardous anionic dye in water,
    Chem. Eng. J., 209 (2012) 223–234. 
-  Z. Harrache, M. Abbas, T. Aksil, M. Trari, Thermodynamic and
    kinetics studies on adsorption of Indigo Carmine from aqueous
    solution by activated carbon, Microchem. J., 144 (2019) 180–189. 
-  H.M. Jang, S. Yoo, Y.-K. Choi, S. Park, E. Kan, Adsorption
    isotherm, kinetic modeling and mechanism of tetracycline
    on Pinus taeda-derived activated biochar, Bioresour. Technol.,
    259 (2018) 24–31. 
-  S. Jellali, M.A. Wahab, M. Anane, K. Riahi, N. Jedidi, Biosorption
    characteristics of ammonium from aqueous solutions onto
    Posidonia oceanica (L.) fibers, Desalination, 270 (2011) 40–49. 
-  X. Song, X. Lü, Y. Shen, S. Guo, Y. Guan, A modified supercritical
    Dubinin–Radushkevich model for the accurate estimation of
    high pressure methane adsorption on shales, Int. J. Coal Geol.,
    193 (2018) 1–15. 
-  W. Hamza, N. Dammak, H.B. Hadjltaief, M. Eloussaief,
    M. Benzina, Sono-assisted adsorption of cristal violet dye onto
    Tunisian Smectite clay: characterization, kinetics and adsorption
    isotherms, Ecotoxicol. Environ. Saf., 163 (2018) 365–371. 
-  R. Nitzsche, A. Gröngröft, M. Kraume, Separation of lignin from
    beech wood hydrolysate using polymeric resins and zeolites –
    determination and application of adsorption isotherms, Sep.
    Purif. Technol., 209 (2019) 491–502. 
-  S. Jain, A. Bansiwal, R.B. Biniwale, S. Milmille, S. Das, S. Tiwari,
    P. Siluvai Antony, Enhancing adsorption of nitrate using
    metal impregnated alumina, J. Environ. Chem. Eng., 3 (2015)
    2342–2349. 
-  Y. Wan, X. Liu, P. Liu, L. Zhao, W. Zou, Optimization adsorption
    of norfloxacin onto polydopamine microspheres from aqueous
    solution: kinetic, equilibrium and adsorption mechanism
    studies, Sci. Total Environ., 639 (2018) 428–437. 
-  A. Vahdat, B. Ghasemi, M. Yousefpour, Synthesis of
      hydroxyapatite and hydroxyapatite/Fe3O4 nanocomposite
    for removal of heavy metals, Environ. Nanotechnol. Monit.
    Manage., 12 (2019), doi: 10.1016/j.enmm.2019.100233. 
-  B.C. Erdoğan, S. Ülkü, Ammonium sorption by Gördes
    clinoptilolite rich mineral specimen, Appl. Clay Sci., 54 (2011)
    217–225. 
-  H. Javadian, B.B. Koutenaei, E. Shekarian, F.Z. Sorkhrodi,
    R. Khatti, M. Toosi, Application of functionalized nano HMS
    type mesoporous silica with N-(2-aminoethyl)-3-aminopropyl
    methyldimethoxysilane as a suitable adsorbent for removal of
    Pb(II) from aqueous media and industrial wastewater, J. Saudi
    Chem. Soc., 21 (2017) S219–S230. 
-  E. Carazo, A. Borrego-Sánchez, R. Sánchez-Espejo,
    F. García-Villén, P. Cerezo, C. Aguzzi, C. Viseras, Kinetic and
    thermodynamic assessment on isoniazid/montmorillonite
    adsorption, Appl. Clay Sci., 165 (2018) 82–90. 
-  Y. Liu, D. Ying, L. Sanguansri, Y. Cai, X. Le, Adsorption of
    catechin onto cellulose and its mechanism study: kinetic
    models, characterization and molecular simulation, Food Res.
    Int., 112 (2018) 225–232. 
-  M. Kumar, H.S. Dosanjh, H. Singh, Biopolymer modified
    transition metal spinel ferrites for removal of fluoride ions from
    water, Environ. Nanotechnol. Monit. Manage., 12 (2019), doi:
    10.1016/j.enmm.2019.100237. 
-  J. Yang, H. Li, D. Zhang, M. Wu, B. Pan, Limited role of biochars
    in nitrogen fixation through nitrate adsorption, Sci. Total
    Environ., 592 (2017) 758–765. 
-  N. Öztürk, T.E.L. Bektaş, Nitrate removal from aqueous
    solution by adsorption onto various materials, J. Hazard.
    Mater., 112 (2004) 155–162. 
-  C. Fan, Y. Zhang, Adsorption isotherms, kinetics and
    thermodynamics of nitrate and phosphate in binary systems on
    a novel adsorbent derived from corn stalks, J. Geochem. Explor.,
      188 (2018) 95–100.