1. B. Beler-Baykal, Stream segregation in household use: a review of grey water as an alternative source of water and yellow water as an alternative source of fertilizers, Water Qual. Expo. Health, 7 (2015) 27–37.
  2. B. Beler-Baykal, S. Bayram, E. Akkaymak, S. Cinar, Removal of ammonium from human urine through ion exchange with clinoptilolite and its recovery for further reuse, Water Sci. Technol., 50 (2004) 149–156.
  3. B. Beler-Baykal, A.D. Allar, S. Bayram, Nitrogen recovery from source separated human urine using clinoptilolite and preliminary results of its use as fertilizer, Water Sci. Technol., 63 (2011) 811–817.
  4. J.A. O’Neal, T.H. Boyer, Phosphate recovery using hybrid anion exchange: applications to source-separated urine and combined wastewater streams, Water Res., 47 (2013) 5003–5017.
  5. A. Sendrowski, T.H. Boyer, Phosphate removal from urine using hybrid anion exchange resin, Desalination, 322 (2013) 104–112.
  6. A.D. Allar, B. Beler Baykal, An investigation into the potential use of nutrients recovered from urine diversion on a summer housing site: Self-sufficiency based on nitrogen balance, Water Sci. Technol., 73 (2016) 576–581.
  7. S. Caspersen, Z. Ganrot, Closing the loop on human urine: plant availability of zeolite-recovered nutrients in a peat-based substrate, J. Environ. Manage., 211 (2018) 177–190.
  8. N.P. Kocaturk, B. Beler-Baykal, Recovery of plant nutrients from dilute solutions of human urine and preliminary investigations on pot trials, Clean Soil Air Water, 40 (2012) 538–544.
  9. N. E. Kpata-Konan, T. Gnagne, F. Konan Koffi, Y. Bony Kotchi, M. Kouamé Kouamé, F. Kouamé Yao, T. Kablan, Improving anaerobic biodigestion of manioc wastewater with human urine as co-substrate, Int. J. Innov. Appl. Stud., 2 (2013) 335–343.
  10. M.C. Lavagnolo, F. Girotto, O. Hirata, R. Cossu, Lab-scale co-digestion of kitchen waste and brown water for a preliminary performance evaluation of a decentralized waste and wastewater management, Waste Manage., 66 (2017) 155–160.
  11. J. Suschka, K. Grübel, Nitrogen in the process of waste activated sludge anaerobic digestion, Arch. Environ. Prot., 40 (2014) 123–136.
  12. B. Yang, M. Wang, J. Wang, X. Song, Y. Wang, H. Xu, J. Bai, Mechanism of high contaminant removal performance in the expanded granular sludge blanket (EGSB) reactor involved with granular activated carbon for low-strength wastewater treatment, Chem. Eng. J., 334 (2018) 1176–1185.
  13. T. Karaka, P. Bhattacharyya, Human urine as a source of alternative natural fertilizer in agriculture: a flight of fancy or an achievable reality, Resour. Conserv. Recycl., 55 (2011) 400–408.
  14. H. Ozgun, N. Karagul, R. K. Dereli, M.E. Ersahin, T. Coskuner, D. I. Ciftci, M. Altinbas, Confectionery industry: a case study on treatability-based effluent characterization and treatment system performance, Water Sci. Technol., 66 (2012) 15–20.
  15. APHA, Standard Methods for the Examination of Water and Wastewater, 21st ed. American Public Health Association, Washington, DC, 2005.
  16. S.K. Khanal, Anaerobic Biotechnology for Bioenergy Production: Principles and Applications, John Wiley & Sons, Iowa, 2011.
  17. Metcalf & Eddy, Inc. Wastewater Engineering: Treatment and Reuse, McGraw-Hill, Boston, 2003
  18. P.L. McCarty, R.E. McKinney, Salt toxicity in anaerobic treatment, J. Water Pollut. Control Fed., 33 (1961) 399–415.
  19. P.L. McCarty, Anaerobic waste treatment fundamentals, Part III. Toxic materials and their control, Public Works, 95 (1964) 91–94.
  20. A. Hejnfelt, I. Angelidaki, Anaerobic digestion of slaughterhouse by-products, Biomass Bioenergy, 33 (2009) 1046–1054.
  21. Y. Ogata, T. Ishigaki, M. Nakagawa, M. Yamada, Effect of increasing salinity on biogas production in waste landfills with leachate recirculation: a lab-scale model study, Biotechnol. Rep., 10 (2016) 111–116.
  22. W. Yoochatchaval, A. Ohashi, H. Harada, T. Yamaguchi, K. Syutsubo, Characteristics of granular sludge in an EGSB reactor for treating low strength wastewater, Int. J. Environ. Res., 2 (2008) 319–328.