1. A. Muniz, C. Dantas, A. Dantas, M. Moura, Cutting fluid oily wastewater: breakdown and reuse of the recovered oil phase, Braz. J. Pet. Gas, 6 (2012) 19–30.
  2. A. Pottirayil, V. Satish, S.K. Biswas, Lubricity of an oil in water emulsion in metal cutting: the effect of hydrophilic/lypophilic balance of emulsifiers, Colloids Surf. A, 384 (2011) 323–330.
  3. K.C. Praveen, C. Arun, N. Balasubramanian, K.V. Radha, Statistical modeling on COD removal from metal-working fluids through electrocoagulation process, Desal. Water Treat., 53 (2015) 2593–2603.
  4. K. Bensadok, M. Belkacem, G. Nezzal, Treatment of cutting oil/water emulsion by coupling coagulation and dissolved air flotation, Desalination, 206 (2007) 440–448.
  5. C. Cheng, D. Phipps, R.M. Alkhaddar, Review treatment of spent metalworking fluids, Water Res., 39 (2005) 4051–4063.
  6. J.K. Milić, E. Dražević, K. Košutić, M. Simonič, Microfiltration of cutting-oil emulsions enhanced by electrocoagulation, Desal. Water Treat., 57 (2016) 10959–10968.
  7. E. Demirbas, M. Kobya, Operating cost and treatment of metalworking fluid wastewater by chemical coagulation and electrocoagulation processes, Process Saf. Environ. Prot., 105 (2017) 79–90.
  8. P. Pacholski, J. Sęk, M. Błaszczyk, TurbiscanLab® Expert analysis of the chemical demulsification of oil-in-water emulsions by inorganic salts, Sep. Sci. Technol., 55 (2020) 2421–2432.
  9. W. Grzesik, Cutting Fluids. Advanced Machining Processes of Metallic Materials: Theory, Modeling, and Application, Elsevier, US, 2008.
  10. G.C. Vidal-Abarca, R. Kaps, O. Kofoworola, O. Wolf, M.R. Riera, C. Hidalgo, N. Fuentes, M. Escamilla, G. Janer, J. Josa, E. Benedicto, Final Technical Report: Criteria Proposal for Revision of EU Ecolabel Criteria, EUR 29491 EN, European Union, Seville, ©European Union. ISBN 978–92–79–98176–0, JRC11438, 2018.
  11. G. Gutiérrez, A. Cambiella, J. Benito, C. Pazos, J. Coca, The effect of additives on the treatment of oil-in-water emulsions by vacuum evaporation, J. Hazard. Mater., 144 (2007) 649–654.
  12. W. Feng, Y. Yin, M. Mendoza, L. Wang, X. Chen, Y. Liu, L. Cai, L. Zhang, Freeze-thaw method for oil recovery from waste cutting fluid without chemical additions, J. Cleaner Prod., 148 (2017) 84–89.
  13. L.N. Andrade, C.C. Amorim, S.V. Santos, I.F. Teixeira, M. Leão, R.M. Lago, Efficient demulsification of wastewater by steel furnace dust with amphiphilic and surface charge properties, Chem. Eng. J., 271 (2015) 281–286.
  14. K. Chin-Hsing, L. Chon-Lin, Treatment of oil/water emulsions using seawater-assisted microwave irradiation, Sep. Purif. Technol., 74 (2010) 288–293.
  15. K. Peng, X. Yongjiao, L. Lijun, L. Jia, H. Xiangfeng, Recyclable functional magnetic nanoparticles for fast demulsification of waste metalworking emulsions driven by electrostatic interactions, ACS Sustainable Chem. Eng., 6 (2018) 9682–9690.
  16. W. Kwapinski, C. Byrne, E. Kryachko, P. Wolfram, C. Adley, J. Leahy, E. Novotny, M.H.B. Hayes, Biochar from biomass and waste, Waste Biomass Valorization, (2010) 1, doi: 10.1007/ s12649-010-9024-8.
  17. G. Kovo Akpomie, F. Chinenye Onyeabor, C. Chidinma Ezeofor, U. Julius Ani, I. Eze Samson, Natural aluminosilicate clay obtained from south-eastern Nigeria as potential sorbent for oil spill remediation, J. Afr. Earth Sci., 155 (2019) 118–123.
  18. K.G. Bhattacharyya, S.S. Gupta, Adsorption of a few heavy metals on natural and modified kaolinite and montmorillonite: a review, Adv. Colloid Interface Sci., 140 (2008) 114–131.
  19. H. Zaman, N. Ali, A. Haq Ali Shah, X. Gao, S. Zhang, K. Hong, M. Bilal, Effect of pH and salinity on stability and dynamic properties of magnetic composite amphiphilic demulsifier molecules at the oil-water interface, J. Mol. Liq., 290 (2019) 111–186.
  20. M. Daaou, D. Bendedouch, Water pH and surfactant addition effects on the stability of an Algerian crude oil emulsion, J. Saudi Chem. Soc., 16 (2012) 333–337.
  21. D. Feldman, M. Kessler, Fluid qualification tests – evaluation of the lubricating properties of biodegradable fluids, Ind. Lubr. Tribol., 54 (2002) 117–129.
  22. C. Lemarchand, P. Couvreur, C. Vauthier, D. Costantini, R. Gref, Study of emulsion stabilization by graft copolymers using the optical analyzer Turbiscan, Int. J. Pharm., 254 (2003) 77–82.
  23. C. Celia, E. Trapasso, D. Cosco, D. Paolino, M. Fresta, TurbiscanLab® Expert analysis of the stability of ethosomes and ultradeformable liposomes containing a bialyer fluidizing agent, Colloids Surf. B, 72 (2009) 155–160.
  24. H. Buron, O. Mengual, G. Meunier, I. Cayre, P. Snabre, Optical characterization of concentrated dispersions: applications to laboratory analyses an on-line process monitoring and control, Polym. Int., 53 (2004) 1205–1209.
  25. O. Mengual, G. Meunier, I. Cayre, P. Snabre, Characterization of instability of concentrated dispersions by a new optical analyzer: the TURBISCAN MA 1000, Colloids Surf. A, 152 (1999) 111–123.
  26. J. Liu, X. Huang, L. Lu, M. Li, J. Xu, H. Deng, TurbiscanLab®Expert analysis of the biological demulsification of water-in-oil emulsion by two biodemulsifiers, J. Hazard. Mater., 190 (2011) 214–221.
  27. W. Hergert, T. Wriedt, Mie Theory 1908–2008, Present developments and Interdisciplinary Aspects of Light Scattering, Universität Bremen, 2008. ISBN 978‐3‐88722-701-2.
  28. R.M. Park, Risk assessment for metalworking fluids and respiratory outcomes, Saf. Health Work, 2019, ISSN 2093–7911.
  29. M. Tira, N. Moulai-Mostefab, Optimization of oil removal from oily wastewater by electrocoagulation using response surface method, J. Hazard. Mater., 158 (2008) 107–115.
  30. Neosorb: Effektive Flockungsmittel Metall Fachmagazin für die metallverarbeitende Wirtschaft, 2012 Special:Vienna-Tec, EuroBlECH, 10 (2012) 59.
  31. Y. Sun, C. Zhu, H. Zheng, W. Sun, Y. Xu, X. Xiao, Z. You, C. Liu, Characterization and coagulation behavior of polymeric aluminum ferric silicate for high-concentration oily wastewater treatment, Chem. Eng. Res. Des., 119 (2017) 23–32.