Coupling intermittent micro-aeration to anaerobic digestion improves tetra-azo dye Direct Black 22 treatment in sequencing batch reactors

O Menezes, R Brito, F Hallwass, L Florêncio… - … Research and Design, 2019 - Elsevier
The effects of discontinuous micro-aeration on the biotransformation of the tetra-azo dye
Direct Black 22 (DB22) and of its anaerobic by-products (aromatic amines) were tested …

The decolorization of azo dye reactive Black 5 in a sequential anaerobic-aerobic system

M Karataş, Ş Dursun, ME Argun - 2010 - acikerisim.selcuk.edu.tr
Özet The potential of the sequential anaerobic-aerobic system for decolorization of azo dye
Reactive Black 5 (RB 5) was investigated in this study. The synthetic wastewater contained …

Biodegradation of acid orange 7 in an anaerobic–aerobic sequential treatment system

Y García-Martínez, C Bengoa, F Stüber… - … and Processing-Process …, 2015 - Elsevier
The decolorization of azo dye Acid Orange 7 (AO7) was studied in a sequential
anaerobic/aerobic reactor system; the anaerobic stage was carried out in a continuous …

Decolorization of azo dyes under batch anaerobic and sequential anaerobic/aerobic conditions

M Işık, DT Sponza - Journal of Environmental Science and Health …, 2004 - Taylor & Francis
Batch anaerobic and sequential anaerobic upflow anaerobic sludge blanket (UASB)/aerobic
continuous stirred tank reactor (CSTR) were used to determine the color and COD removals …

A batch study for assessing the inhibition effect of Direct Yellow 12 in a mixed methanogenic culture

M Işik, DT Sponza - Process Biochemistry, 2005 - Elsevier
The fate of the azo dye Direct Yellow 12 (DY 12) were investigated with partially granulated
anaerobic mixed culture using glucose (3000mgl− 1 COD) as carbon source and electron …

Toxicity and intermediates of CI Direct Red 28 dye through sequential anaerobic/aerobic treatment

DT Sponza, M Işık - Process Biochemistry, 2005 - Elsevier
Toxicity and intermediates of CI Direct Red 28 (DR 28) azo dye was investigated through
decolorization and mineralization of DR 28 azo dye in a sequential upflow anaerobic sludge …

Novel bioreactor design for decolourisation of azo dye effluents

G Mezohegyi, C Bengoa, F Stuber, J Font… - Chemical Engineering …, 2008 - Elsevier
The anaerobic decolourisation of azo dye Acid Orange 7 (AO7) was studied in a continuous
upflow stirred packed-bed reactor (USPBR) filled with biological activated carbon (BAC) …

Microaerated UASB reactor treating textile wastewater: The core microbiome and removal of azo dye Direct Black 22

JRS Carvalho, FM Amaral, L Florencio, MT Kato… - Chemosphere, 2020 - Elsevier
Sequential anaerobic and aerobic processes have been recommended to treat textile
wastewater reliably. In this work, the focus was on finding an energetically more competitive …

Decolorization and partial degradation of monoazo dyes in sequential fixed-film anaerobic batch reactor (SFABR)

P Singh, R Sanghi, A Pandey, L Iyengar - Bioresource technology, 2007 - Elsevier
Decolorization of two monoazo dyes, acid orange 6 (AO6) and acid orange 7 (AO7), were
studied in sequential fixed-film anaerobic batch reactor (SFABR) with varying dye …

Effective anaerobic decolorization of azo dye Acid Orange 7 in continuous upflow packed-bed reactor using biological activated carbon system

G Mezohegyi, A Kolodkin, UI Castro… - Industrial & …, 2007 - ACS Publications
The anaerobic reduction of azo dye Acid Orange 7 (AO7) was investigated in a continuous
upflow packed-bed reactor (UPBR) containing biological activated carbon (BAC) …