References
  -  I. Ali, V.K. Gupta, Advances in water treatment by adsorption
    technology, Nat. Protoc., 1 (2006) 2661–2667. 
-  M.T.M. Pendergast, E.M.V. Hoek, A review of water treatment
    membrane nanotechnologies, Energy Environ. Sci., 4 (2011)
    1946–1971. 
-  Z. Yuan, S. Xie, X. Yu, Y. Pan, S. Li, J. Liu, P. Du, Physicalchemical
    property and filtration mechanism of the porous
    polyvinyl chloride composite membrane as filter for waste
    water treatment, Desal. Wat. Treat., 105 (2018) 35–40. 
-  A. Perez-Vidal, J. Diaz-Gomez, J. Castellanos-Rozo, O.L.
    Usaquen-Perilla, Long-term evaluation of the performance of
    four point-of-use water filters, Water Res., 98 (2016) 176–182. 
-  M.N. Chong, B. Jin, C.W.K. Chow, C. Saint, Recent developments
    in photocatalytic water treatment technology: a review, Water
    Res., 44 (2010) 2997–3027. 
-  L.L. Fang, B. Valverde-Perez, A. Damgaard, B.G. Plosz, M.
    Rygaard, Life cycle assessment as development and decision
    support tool for wastewater resource recovery technology,
    Water Res., 88 (2016) 538–549. 
-  Z.J. Ren, A.K. Umble, Water treatment: Recover wastewater
    resources locally, Nature, 529 (2016) 25–25. 
-  D. Bastani, N. Esmaeili, M. Asadollahi, Polymeric mixed matrix
    membranes containing zeolites as a filler for gas separation
    applications: a review, J. Ind. Eng. Chem., 19 (2013) 375–393. 
-  M. Rawat, V.K. Bulasara, Synthesis and characterization of lowcost
    ceramic membranes from fly ash and kaolin for humic acid
    separation, Korean J. Chem. Eng., 35 (2018) 725–733. 
-  P. Saini, V.K. Bulasara, A.S. Reddy, Performance of a new
    ceramic microfiltration membrane based on kaolin in textile
    industry wastewater treatment, Chem. Eng. Commun., 206
    (2019) 227–236. 
-  G. Singha, V.K. Bulasara, Preparation of low-cost microfiltration
    membranes from fly ash, Desal. Wat. Treat., 53 (2015) 1204–1212. 
-  H. Kaura, V.K. Bulasaraa, R.K. Gupta, Preparation of kaolinbased
    low-cost porous ceramic supports using different amounts
    of carbonates, Desal. Wat. Treat., 57 (2016) 15154–15163. 
-  H. Kaur, V.K. Bulasara, R.K. Gupta, Effect of carbonates
    composition on the permeation characteristics of low-cost
    ceramic membrane supports, J. Ind. Eng. Chem., 44 (2016)
    185–194. 
-  W. Li, W. Xing, N. Xu, Modeling of relationship between
    water permeability and microstructure parameters of ceramic
    membranes, Desalination, 192 (2006) 340–345. 
-  M.D.M. Innocentini, V.C. Pandolfelli, Permeability of porous
    ceramics considering the klinkenberg and inertial effects, J. Am.
    Ceram. Soc., 84 (2001) 941–944. 
-  P. Zhang, L. Hu, J.N. Meegoda, Pore-scale simulation and
    sensitivity analysis of apparent gas permeability in shale
    matrix, Materials, 10 (2017) 104–106. 
-  M.D.M Innocentini, P. Sepulveda, V.R. Salvini, V.C. Pandolfelli,
    Permeability and structure of cellular ceramics: a comparison
    between two preparation techniques, J. Am. Ceram. Soc., 81
    (1998) 3349–3352. 
-  Q. Zhang, W. Jing, Y. Fan, N. Xu, An improved Parks equation
    for prediction of surface charge properties of composite ceramic
    membranes, J. Membr. Sci., 318 (2008) 100–106. 
-  M.A. Hubbe, N. Wu, O.J. Rojas, S. Park, Permeation of a cationic
    polyelectrolyte into mesoporous silica. Part 2. Effects of time
    and pore size on streaming potential, Colloids Surf., A, 364
    (2010) 7–15. 
-  J.V. Nicolini, C.P. Borges, H.C. Ferraz, Selective rejection of
    ions and correlation with surface properties of nanofiltration
    membranes, Sep. Purif. Technol., 171 (2016) 238–247. 
-  Z. Ma, M. Wang, X. Gao, C. Gao, Charge and separation
    characteristics of nanofiltration membrane embracing
    dissociated functional groups, Front. Environ. Sci. Eng., 8 (2014)
    650–658. 
-  B. Xu, J. Chen, Z. Yuan, L. Zhang, Y. Fang, Simulation analysis
    on the profiles of droplets wetting on the substrates, J. Disper.
    Sci. Technol., 36 (2015) 1816–1824. 
-  B. Yu, J. Li, A geometry model for tortuosity of flow path in
    porous media, Chin. Phys. Lett., 21 (2004) 1569–1571. 
-  Q. Zhang, Y. Fan, N. Xu, Effect of the surface properties on
    filtration performance of Al2O3–TiO2, composite membrane,
    Sep. Purif. Technol., 66 (2009) 306–312.