1. Abdel Azim AAA, Abdul-Raheim ARM, Kamel RK, Abdel-Raouf ME (2011) Demulsifier systems applied to breakdown petroleum sludge. J Pet Sci Eng 78:364–370. https://doi.org/10.1016/j.petrol.2011.07.008
2. Abdulbari Hayder A, Abdurahman NH, Rosli YM, Azhari NH (2011) Demulsification of Triton X-100, low-sulfur wax residue (LSWR), sorbitan monooleate (Span 83) and sodium dodecyl sulfate (SDS)-stabilized petroleum emulsions with a microwave separation method. Res J Chem Environ 15:3
3. Agrawal A, Sahu KK, Pandey BD (2004) Solid waste management in non-ferrous industries in India. Resour Conserv Recycl 42:99–120. https://doi.org/10.1016/j.resconrec.2003.10.004
4. Al Sabagh AM, Mohamed A (2022) Improving the heavy oil recovery by surfactants from wastes. In: Enhanced oil recovery-selected topics. IntechOpen
5. Albertson OE, Guidi EE (1969) Centrifugation of waste sludges. J Water Pollut Control Fed 12:607–628