AHRING BK, 1995, APPL MICROBIOL BIOT, V43, P559, DOI 10.1007/BF00218466; Akuzawa M, 2011, MICROB ECOL, V61, P595, DOI 10.1007/s00248-010-9788-1; APHA Awwa WEF, 2005, STANDARD METHODS EXA; Ariunbaatar J, 2015, WASTE MANAGE, V38, P388, DOI 10.1016/j.wasman.2014.12.001; Bruno M, 2013, ENG AGR-JABOTICABAL, V33, P808, DOI 10.1590/S0100-69162013000400020; Camarillo R, 2012, CHEM ENG J, V193, P68, DOI 10.1016/j.cej.2012.04.022; Caporaso JG, 2010, NAT METHODS, V7, P335, DOI 10.1038/nmeth.f.303; Cavalcanti PFF, 1999, WATER SCI TECHNOL, V40, P211, DOI 10.2166/wst.1999.0424; Chernicharo C. A. L, 2007, ANAEROBIC REACTORS, P188; Mazareli RCD, 2016, WASTE MANAGE, V52, P112, DOI 10.1016/j.wasman.2016.03.021; de Barros V.G., 2016, BRAZ J MICROBIOL, P1; Demirel B, 2006, BIORESOURCE TECHNOL, V97, P1201, DOI 10.1016/j.biortech.2005.05.009; Dias MF, 2016, BIORESOURCE TECHNOL, V205, P58, DOI 10.1016/j.biortech.2016.01.007; DILALLO R, 1961, J WATER POLLUT CON F, V33, P356; Duda RM, 2015, BIORESOURCE TECHNOL, V197, P152, DOI 10.1016/j.biortech.2015.08.004; España-Gamboa EI, 2012, BIOTECHNOL BIOFUELS, V5, DOI 10.1186/1754-6834-5-82; Fuess LT, 2017, APPL ENERG, V189, P480, DOI 10.1016/j.apenergy.2016.12.071; Garrity G. M., 2001, BERGEYS MANUAL SYSTE, P457; Gupta R. S., 2011, IEEE IND C INDICON 1, P1; Jabari L, 2016, BRAZ J MICROBIOL, V47, P73, DOI 10.1016/j.bjm.2015.11.029; Janke L., 2016, BIORESOURCE TECHNOL, P1; Janke L, 2016, WASTE MANAGE, V48, P199, DOI 10.1016/j.wasman.2015.11.007; Janke L, 2015, INT J MOL SCI, V16, P20685, DOI 10.3390/ijms160920685; Kaster AK, 2011, ARCHAEA, V2011, DOI 10.1155/2011/973848; Kiran EU, 2016, WOODHEAD PUBL SER EN, P259, DOI 10.1016/B978-0-08-100455-5.00010-2; Lueders T, 2004, APPL ENVIRON MICROB, V70, P5778, DOI 10.1128/AEM.70.10.5778-5786.2004; Martin M., 2011, EMBNET J, V1, P10, DOI 10.14806/ej.17.1.200; Maspolim Y, 2015, BIORESOURCE TECHNOL, V190, P289, DOI 10.1016/j.biortech.2015.04.087; Mohan SV, 2011, INT J HYDROGEN ENERG, V36, P8234, DOI 10.1016/j.ijhydene.2011.04.021; Moraes BS, 2014, APPL ENERG, V113, P825, DOI 10.1016/j.apenergy.2013.07.018; Mota VT, 2013, BIORESOURCE TECHNOL, V146, P494, DOI 10.1016/j.biortech.2013.07.110; Oliveira R. A., 1997, 8 INT C AN DIG P SEN, P524; Ortegón GP, 2016, SCI TOTAL ENVIRON, V539, P410, DOI 10.1016/j.scitotenv.2015.08.153; Pandit PD, 2016, BIORESOURCE TECHNOL, V216, P923, DOI 10.1016/j.biortech.2016.06.021; Prado R.d.M., 2013, APPL ENVIRON SOIL SC, V2013, P1, DOI 10.1155/2013/581984; Ripley L. E., 1986, J WATER POLLUT CONTR, V58; SarochBoonyakitsombut, 2002, KSCE Journal of Civil Engineering, V6, P379; Schloss PD, 2009, APPL ENVIRON MICROB, V75, P7537, DOI 10.1128/AEM.01541-09; Schmidt T, 2014, BIORESOURCE TECHNOL, V168, P80, DOI 10.1016/j.biortech.2014.02.124; Schmieder R, 2011, BIOINFORMATICS, V27, P863, DOI 10.1093/bioinformatics/btr026; Sentürk E, 2010, J HAZARD MATER, V176, P843, DOI 10.1016/j.jhazmat.2009.11.113; Seyboth K., 2016, GLOBAL STATUS REPORT; Singh RP, 1999, BIOCHEM ENG J, V3, P35, DOI 10.1016/S1369-703X(98)00043-6; Song M, 2010, BIORESOURCE TECHNOL, V101, pS23, DOI 10.1016/j.biortech.2009.03.054; Speece R.E., 2008, ARCHAE PRESS US AM; UNICA, 2016, UN IND CAN AC MOAG C; van Cleef EHCB, 2015, LIVEST SCI, V178, P158, DOI 10.1016/j.livsci.2015.06.016; van Haandel A, 2014, J CHEM TECHNOL BIOT, V89, P1751, DOI 10.1002/jctb.4255; Villa-Montoya A. C., 2016, INT J ENVIRON SCI TE, P1; Wintsche B, 2016, FRONT MICROBIOL, V7, DOI 10.3389/fmicb.2016.02034; Wirth R, 2012, BIOTECHNOL BIOFUELS, V5, DOI 10.1186/1754-6834-5-41; Yamada C, 2015, J BIOSCI BIOENG, V119, P678, DOI 10.1016/j.jbiosc.2014.11.001; Yin J, 2016, BIORESOURCE TECHNOL, V216, P996, DOI 10.1016/j.biortech.2016.06.053; Zhao HW, 2004, BIORESOURCE TECHNOL, V95, P301, DOI 10.1016/j.biortech.2004.02.023; Zhong JM, 2015, INT J HYDROGEN ENERG, V40, P15470, DOI 10.1016/j.ijhydene.2015.09.085