References

  1. P.S. Murthy, M.M. Naidu, Sustainable management of coffee industry by-products and value addition—
    a review, Resour. Conserv. Recycl., 66 (2012) 45–58.
  2. USDA, World Markets and Trade: Coffee, United States Department of Agriculture, Foreign Agricultural Service, Office of Global Analysis, 2011.
  3. S. Ponte, The ‘Latte Revolution’? Regulation, markets and consumption in the global coffee chain, World Dev. Denmark, 30 (2002) 1099–1122.
  4. C.B. Schmitt, Montane Rainforest with Wild Coffea Arabica in the Bonga Region (SW Ethiopia): Plant Diversity, Wild Coffee Management and Implications for Conservation, Cuvillier Verlag, Ethiopia, 2006.
  5. LMC, International Coffee Organization/Common Fund of Commodities Study of Marketing and Trading Policies and Systems in Selected Coffee Producing Countries: Ethiopia Country Profile, LMC International Ltd., Oxford, 2000.
  6. D. Dadi, E. Mengistie, G. Terefe, T. Getahun, A. Haddis, W. Birke, A. Beyene, P. Luis, B. Van der Bruggen, Assessment of the effluent quality of wet coffee processing wastewater and its influence on downstream water quality, Ecohydrol. Hydrobiol., 18 (2018) 201–211.
  7. A. Beyene, D. Yemane, T. Addis, A.A. Assayie, L. Triest, Experimental evaluation of anaerobic digestion for coffee wastewater treatment and its biomethane recovery potential, Int. J. Environ. Sci. Technol., 11 (2014) 1881–1886.
  8. APHA, Standard Methods for the Examination of Water and Wastewater, 18th ed., American Public Health Association, Washington, USA, 1992.
  9. R.W. Crites, C.C. Lekven, R.A. Beggs, Constructed Wetlands at Mesquites, Nevada, Proceedings of the ASCE Environmental Engineering Conference, Nevada, 1991, pp. 390–395.
  10. M. Selvamurugan, P. Doraisamy, M. Maheswari, An integrated treatment system for coffee processing wastewater using anaerobic and aerobic process, J. Ecol. Eng., 369 (2010) 1686–1690.
  11. M. Clara, N. Kreuzinger, B. Strain, O. Gans, H. Kroiss, The solids retention time—a suitable design parameter to evaluate the capacity of wastewater treatment plants to remove micropollutants, Water Res., 39 (2005) 97–106.
  12. Z.A. Samuel, T.S. Workneh, C. Trous, F.F. Feyyisa, Removal of Cr(VI) from contaminated water using soil rich in kaoliniteferrinatrite, coffee husk ash and soil rich in kaolinite-goethite: characteristic, isotherm and kinetic study, Desal. Water Treat., 105 (2018) 250–254.
  13. R. Beiio-Mendoza, M.F. Castillo-Rivera, Startup of an anaerobic hybrid (UASB/Filter) reactor treating wastewater from a coffee processing plant, Anaerobes, 14 (1998) 219–225.
  14. C.K. Calvert, The Treatment of Coffee Processing Wastewaters: The Biogas Option – A Review and Preliminary Report, Coffee Industry Corporation Ltd., Coffee Research Institute, Papua New Guinea, 1997, p. 22.
  15. D.R. Shanmukhappa, R.P. Ananda Alwar, C.S. Srinivasan, Water pollution by coffee processing units and its abatement, Ind. Coffee, 10 (1998) 3–9.
  16. A. Haddis, R. Devi, Effect of effluent generated from a coffee processing plant on the water bodies and human health in its vicinity, J. Hazard. Mater., 152 (2008) 259–262.
  17. J.K. Mburu, J.T. Thuo, R.C. Marder, The characterization of coffee wastewater from coffee processing factories in Kenya, Kenya Coffee, 59 (1994) 1756–1763.
  18. R. Vishnumurthi, Sequencing Batch Reactor: An Efficient Alternative to Wastewater Treatment, Proceedings of National Seminar on Emerging Treatment Technologies for High and Medium Strength Waste Waters, Conference, India, 2004, pp. 36–54.
  19. S. Choudhury, R. Rohella, M. Manthan, N. Sahoo, Decolourization of Kraft paper mill effluent by white-rot fungi, Indian J. Microbiol., 38 (1998) 221–224.
  20. P.F. Cooper, The Use of Reed Bed Systems to Treat Domestic Sewage: The European Design and Operations Guidelines for Reed Bed Treatment Systems, G.A. Moshiri, Ed., Constructed Wetlands for Water Quality Improvement, Lewis Publishers, Boca Raton, 1993, pp. 203–217.
  21. J. Vymazal, Horizontal sub-surface flow and hybrid constructed wetlands systems for wastewater treatment, Ecol. Eng., 25 (2005) 478–490.
  22. D.P. Sapkota, H.J. Bavor, Gravel media filtration as a constructed wetland component for the reduction of suspended solids from maturation pond effluent, Water Sci. Technol., 29 (1994) 55–66.
  23. D. Ghosh, C.R. Medhi, M.K. Purkait, Treatment of fluoridecontaining drinking water by electrocoagulation using monopolar and bipolar electrode connections, Chemosphere, 73 (2008) 1393–1400.
  24. C. Gorey, I.C. Escobar, N-isopropylacrylamide (NIPAAM) modified cellulose acetate ultrafiltration membranes, J. Membr. Sci., 383 (2011) 272–279.
  25. P. Qu, H. Tang, Y. Gao, L. Zhang, S. Wang, Polyethersulfone composite membrane blended with cellulose fibrils, BioResources, 5 (2010) 2323–2336.
  26. M.P. Cruz, L.C. Barbosa, C.R. Maltha, J.L. Gomide, A.F. Milanez, Chemical characterization of the pitch in Eucalyptus pulp and paper industry, Quim. Nova, 29 (2006) 459–466.
  27. P. Srinivasa Rao, K.V.N. Suresh Reddy, S. Kalyani, A. Krishnaiah, Comparative sorption of copper and nickel solutions by natural neem (Azadirachta indica) sawdust and acid treated sawdust, Wood Sci. Technol., 41 (2007) 427–442.