1. B.I. Okolo, P.C. Nnaji, O.D. Onukwuli, Nephelometric approach to study coagulation–flocculation of brewery effluent medium using Detarium microcarpum seed powder by response surface methodology, Environ. Chem. Eng., 4 (2016) 992–1001.
  2. M.T.F. de Souza, C.A. de Almeida, E. Ambrosio, L.B. Santos, T.K.F. de Souza Freitas, D.D. Manholer, G.M. de Carvalho, J.C. Garcia, Extraction and use of Cereus peruviamus cactus mucilage in the treatment of textile effluents, J. Taiwan Inst. Chem. Eng., 10 (2016) 1–10.
  3. N. Muralimohan, T. Palanisamy, Treatment of textile effluent by natural coagulants in Erode district, Asian J. Chem., 26 (2014) 911–914.
  4. S.M. Hadi, M.K.H. Al-Mashhadani, M.Y. Eisa, Optimization of dye adsorption process for Albizia lebbeck pods as a biomass using central composite rotatable design model, Chem. Ind. Chem. Eng. Q., 25 (2019) 39–46.
  5. S.S. Konstantinovic, M.G. Kodric, R. Nicic, D.M. Djordjevic, Decolorization of model wastewater by adsorbent obtained from waste hemp fibers, Chem. Ind. Chem. Eng. Q., 25 (2019) 11–19.
  6. S.B. Olugbenga, M.L. Bukola, J.A. Olamide, E. Vunain, Scavenging rhodamine B dye using Moringa oleifera seed pod, Chem. Speciation Bioavailability, 29 (2017) 120–134.
  7. I. Muhammad, B. Tahir, I. Naz, A. Naeem, A.K. Ruaf, S. Aamir, The removal of COD, TSS and colour of black liquor by coagulation–flocculation process at optimized pH, settling and dosing rate, Arabian J. Chem., 10 (2017) S2307–S2318.
  8. W.W. Pei, T.T. Tjoon, A.R. Nik, N. Nik, Efficiency of the coagulation-flocculation method for the treatment of dye mixtures containing disperse and reactive dye, Water Qual. Res. J. Can., 42 (2007) 54–62.
  9. B.I. Okolo, P.C. Nnaji, E.O. Oke, K.F. Adekunle, C.S. Ume, O.D. Onukwuli, Optimizing bio-coagulants for brewery wastewater treatment using response surface methodology, Nigerian J. Technol., 36 (2017) 1104–1113.
  10. C.O. Aniagor, M.C. Menkiti, Kinetics and mechanistic description of adsorptive uptake of crystal violet dye by lignified elephant grass complexed isolate, J. Environ. Chem. Eng., 6 (2018) 2105–2118.
  11. J.U. Ani, N.J.N. Nnaji, O.D. Onukwuli, C.O.B. Okoye, Nephelometric and functional parameters response of coagulation for the purification of industrial wastewater using Detarium microcarpum, J. Hazard. Mater., 243 (2012) 59–66.
  12. M.C. Menkiti, I. Ezemagu, B. Okolo, Perikinetics and sludge study for the decontamination of petroleum produced water (PW) using novel mucuna seed extract, Pet. Sci., 13 (2016) 328–339.
  13. AOAC, Official Methods of Analysis, 16th ed., Association of Official Analytical Chemist, Gaitherburg, 2005.
  14. AWWA, APHA, WEF, Standard Method for the Examination of Water and Wastewater, 22nd ed., American Water Works Association, American Public Health Association, World Economic Forum, New York, 2012.
  15. S.-C. Kim, Application of response surface method as an experimental design to optimize coagulation–flocculation process for pre-treating paper wastewater, J. Ind. Eng. Chem., 38 (2016) 93–102.
  16. I.O. Balogun, O.P. Olatidoye, Chemical composition and nutritional evaluation of velvet bean seeds (Mucuna utilis) for domestic consumption and industrial utilization in Nigeria, Pak. J. Nutr., 11 (2012) 116–122.
  17. F.Y. Oladipo, C.E. Chigbundu, V.N. Atasie, I. Iyeimo, Extraction, purification and analysis of Mucuna sloanei seed gum, Int. J Appl. Res. Technol., 2 (2013) 94–100.
  18. N.H. Azmi, U.F.M. Ali, F.M. Ridwan, K.M. Isa, N.Z. Zulkurnai, M.K. Aroua, Preparation of activated carbon using sea mango (Cerbera odollam) with microwave-assisted technique for the removal of methyl orange from textile wastewater, Desal. Water Treat., 54 (2016) 1–10.
  19. C.A. Igwegbe, P.C. Onyechi, O.D. Onukwuli, I.C. Nwokedi, Adsorptive treatment of textile wastewater using activated carbon produced from Mucuna pruriens seed shell, World J. Eng. Technol., 4 (2016) 21–37.
  20. R. Ahma, S. Haseeb, Competitive adsorption of Cu2+ and Ni2+ on Luffa acutangula modified tetra ethoxy silane (LAP-TS) from the aqueous solution: thermodynamics and isotherm studies, Groundwater Sustainable Dev., 1 (2015) 146–154.
  21. V.K. Sangal, V. Kumar, I.M. Mishra, Optimization of structural and operational variables for the energy efficiency of a divided wall distillation column, Comput. Chem. Eng., 40 (2012) 33–40.
  22. A. Baharlouei, E. Jalilnejad, M. Sirousazar, Fixed-bed column performance of methylene blue biosorption by Luffa cylindrica: statistical and mathematical modeling, Chem. Eng. Commun., 205 (2018) 1537–1554.
  23. M.C. Menkiti, O.D. Onukwuli, Coag-flocculation of mucuna seed coag‐flocculant (MSC) in coal washery effluent (CWE) using light scattering effect, AlChE J., 156(2012)303–313.
  24. M. Ahmadi, F. Ghanbari, S. Madihi-Bidgoli, Photoperoxicoagulation using activated carbon fibre cathode as an efficient method for benzotriazole removal from aqueous solutions: modelling, optimization and mechanism, J. Photochem. Photobiol., A, 322 (2016) 85–94.
  25. I. Fendri, L. Khannous, A. Timoumi, N. Gharsallah, R. Gdoura, Optimization of coagulation-flocculation process for printing ink industrial wastewater treatment using response surface methodology, Afr. J. Biotechnol., 12 (2013) 4819–4826.