References
- Z. Song, C.J. Williams, R.G.J. Edyvean, Sedimentation of tannery
wastewater, Water Res., 34(7) (2000) 2171–2176.
- K. Cooman, M. Gajardo, J. Nieto, C. Bornhardt, G. Vidal, Tannery
wastewater characterization and toxicity effects on Daphnia
spp., Environ. Toxicol., 18(1) (2003) 45–51.
- J. Fettig, V. Pick, M. Oldenburg, N.V. Phuoc, Treatment of tannery
wastewater for reuse by physico-chemical processes and
a membrane bioreactor, J. Water Reuse. Desal., 7(4) (2017) 420–
428.
- G. Lofrano, S. Meric, G.E. Zengin, D. Orhon, Chemical and
biological treatment technologies for leather tannery chemicals
and wastewaters: A review, Sci. Total Environ., 461 (2013)
265–281.
- S. Haydar, J.A. Aziz, Characterization and treatability studies
of tannery wastewater using chemically enhanced primary
treatment (CEPT)—a case study of Saddiq Leather Works, J.
Hazard. Mater., 163(2–3) (2009) 1076–1083.
- W.H. Liu, C.G. Zhang, P.F. Gao, H. Liu, Y.Q. Song, J.F. Yang,
Advanced treatment of tannery wastewater using the combination
of UASB, SBR, electrochemical oxidation and BAF, J.
Chem. Technol. Biot., 92(3) (2017) 588–597.
- J.R. Banu, S. Kaliappan, Treatment of tannery wastewater
using hybrid upflow anaerobic sludge blanket reactor, J. Environ.
Eng. Sci., 6(4) (2007) 415–421.
- B. Hansen, L. Karlsson, S. Cassidy, L. Pettersson, Operational
experiences from a sludge recovery plant, Water Sci. Technol.,
41(8) (2000) 23–30.
- Englande Jr., R. Reimers, Biosolids management-sustainable
development status and future direction, Water Sci. Technol.,
44(10) (2001) 41–46.
- S. Haydar, J.A. Aziz, Coagulation–flocculation studies of tannery
wastewater using combination of alum with cationic and
anionic polymers, J. Hazard. Mater., 168 (2009) 1035–1040.
- Y. Liu, Chemically reduced excess sludge production in the
activated sludge process, Chemosphere, 50(1) (2003) 1–7.
- S.I. Perez-Elvira, P.N. Diez, F. Fdz-Polanco, Sludge minimisation
technologies, Rev. Environ. Sci. Bio., 5(4) (2006) 375–398.
- O. Jarvik, A. Viiroja, S. Kamenev, Kamenev, Activated sludge
process coupled with intermittent ozonation for sludge yield
reduction and effluent water quality control, J. Chem. Technol.
Biot., 86(7) (2011) 978–984.
- K.U. Do, J.R. Banu, I.J. Chung, I.T. Yeom, Effect of thermo-chemical
sludge pretreatment on sludge reduction and on performances
of anoxic-aerobic membrane bioreactor treating low
strength domestic wastewater, J. Chem. Technol. Biot., 84(9)
(2009) 1350–1355.
- V.K. Tyagi, S.L. Lo, R.A. Campoy, C.J. Alvarez Gallego, L.I.
Romero Garcia, L.P. Sun, C.S. Qiu, Sonobiostimulation of aerobic
digestion: a novel approach for sludge minimization, J.
Chem. Technol. Biot., 89(7) (2014) 1060–1066.
- Y.X. Chen, F.X. Ye, X.S. Feng, The use of 3, 3’, 4’, 5-tetrachlorosalicylanilide
as a chemical uncoupler to reduce activated sludge
yield, J. Chem. Technol. Biot., 79(2) (2003) 111–116.
- X. Guo, J. Yang, Y. Liang, J. Liu, B. Xiao, Evaluation of sludge
reduction by an environmentally friendly chemical uncoupler
in a pilot-scale anaerobic/anoxic/oxic process, Bioproc. Biosyst.
Eng., 37(3) (2014) 553–560.
- M.J. Martin, A. Artola, M.D. Balaguer, M. Rigola, Towards
waste minimisation in WWTP: activated carbon from biological
sludge and its application in liquid phase adsorption, J.
Chem. Technol. Biot., 77(7) (2002) 825–833.
- H. Wang, S.L. Brown, G.N. Magesan , A.H. Slade, M. Quintern,
P.W. Clinton, T.W. Payn, Technological options for the management
of biosolids, Environ. Sci. Pollut. R., 15(4) (2008) 308–317.
- E.L. Subtil, S.T.A. Cassini, R.F. Goncalves, Sulfate and dissolved
sulfide variation under low COD/sulfate ratio in
up-flow anaerobic sludge blanket (UASB) treating domestic
wastewater, Rev. Ambient. Água, 7(1) (2012) 130–139.
- C.O. Reilly, E. Colleran, Effect of influent COD/SO42− ratios
on mesophilic anaerobic reactor biomass populations: physico-chemical and microbiological properties, FEMS Microbiol.
Ecol., 56(1) (2006) 141–153.
- J. Shayegan, F. Ghavipanjeh, P. Mirjafari, The effect of influent
COD and upward flow velocity on the behaviour of sulphate-
reducing bacteria, Process. Biochem., 40(7) (2005)
2305–2310.
- J. Moestedt, S.N. Paledal, A. Schnurer, The effect of substrate
and operational parameters on the abundance of sulphate-reducing
bacteria in industrial anaerobic biogas digesters,
Biores. Technol., 132 (2013) 327–332.
- S. Berhe, S. Leta, Two phase anaerobic co digestion of tannery
wastewater and dairy wastewater: effect of operational parameters
on performance of hydrolytic – acidogenic step, Int. J.
Sust. Green Energ., 6(1) (2017) 1–9.
- A. Mekonnen, S. Leta, K.N. Njau, Anaerobic treatment of tannery
wastewater using ASBR for methane recovery and greenhouse
gas emission mitigation, J. Water Proc. Eng., 19 (2017)
231–238.
- A. Mekonnen, S. Leta, K.N. Njau, A.A. Ethiopia, Anaerobic
co-treatment of tannery wastewater and cattle dung for biogas
production using a pilot scale anaerobic sequencing batch
reactor (ASBR), Int. J. Sci. Eng. Res., 7(6) (2016) 633–649.
- Standard Methods for the Examination of Water and Wastewater
20th ed., American Public Health Association/American
Water Works Association/Water Environment Federation,
Washington DC, USA (1998).
- A.D. Covington, T. Covington, Tanning chemistry: the science
of leather, (2009), Royal Society of Chemistry.
- V. Tare, S. Gupta, P. Bose, Case studies on biological treatment
of tannery effluents in India, J. Air Waste Manage., 53(8) (2003)
976–982.
- N. Vasudevan, P.S. Justin Aaron, O. Greeshma, Performance
evaluation of a common effluent treatment plant for tannery
industries, J. Ecobiotechnol, 4(1) (2012) 25–28.
- W.P. Barber, D.C. Stuckey, Effect of sulfate reduction on chemical
oxygen demand removal in an anaerobic baffled reactor,
Water Environ. Res., 72(5) (2000) 593–601.
- M. Vossoughi, M. Shakeri, I. Alemzadeh, Performance of
anaerobic baffled reactor treating synthetic wastewater influenced
by decreasing COD/SO4 ratios, Chem. Eng. Proc., 42(10)
(2003) 811–816.
- P. Sosnowski, A. Wieczorek, S. Ledakowicz, Anaerobic co-digestion
of sewage sludge and organic fraction of municipal
solid wastes, Adv. Environ. Res., 7 (2003) 609–616.
- R. Gregory, J. Edzwald, Sedimentation & Flotation, Chapt. 9
in Water Quality Treatment, 6th ed., AWWA & McGrawHill,
(2010).
- A.S., Bal, N.N. Dhagat, Upflow anaerobic sludge blanket reactor -
a review, Indian J. Environ. Health, 43(2) (2001) 1–82.
- U. Alkan, G.K. Anderson, O. Ince, Toxicity of trivalent chromium
in the anaerobic digestion process, Water Res., 30(3)
(1996) 731–741.
- U. Duran, K.G. Coronado-Apodaca, E.R. Meza-Escalante,
G. Ulloa-Mercado, D. Serrano, Two combined mechanisms
responsible to hexavalent chromium removal on active anaerobic
granular consortium, Chemosphere, 198 (2018) 191–197.
- H.I. Abdel-Shafy, M.S. Mansour, Biogas production as affected
by heavy metals in the anaerobic digestion of sludge, Egypt J.
Petroleum, 23(4) (2014) 409–417.
- M. Bożym, I. Florczak, P. Zdanowska, J. Wojdalski, M. Klimkiewicz,
An analysis of metal concentrations in food wastes
for biogas production, Renew Energy, 77 (2015) 467–472.
- L.W.H Pol, P.N. Lens, A.J. Stams, G. Lettinga, Anaerobic treatment
of sulphate-rich wastewaters, Biodegradation, 9(3–4)
(1998) 213–224.
- A. Rinzema, G. Lettinga, D.L. Wise, Anaerobic treatment of
sulfate-containing wastewater, Biotreat Syst., 3 (1988) 65–109.
- M. Mahesh, K.V. Arivizhivendhan, K. Nivetha, S. Swarnalatha,
G. Sekaran, Anaerobic digestion of sulphate-rich post-tanning
wastewater at different COD/sulphate and F/M ratios, Biotech.
Feb., 8(2) (2018) 130.
- L. Guerrero , R. Chamy, D. Jeison, S. Montalvo, C. Huilinir,
Behavior of the anaerobic treatment of tannery wastewater at
different initial pH values and sulfate concentrations, J. Environ.
Sci. Heal. A, 48(9) (2013) 1073–1078.
- S. Montalvo, H. Prades , M. Gonzalez , P. Perez , L. Guerrero, C.
Huilinir, Anaerobic digestion of wastewater with high sulfate
concentration using micro-aeration and natural zeolites, Braz.
J. Chem. Eng., 33(4) (2016) 743–752.
- P.C. Sabumon, Perspectives on biological treatment of tannery
effluent, Adv. Recyc. Waste Manage., 1 (2016) 104.