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Dynamics of sulfidogenesis associated to methanogenesis in horizontal-flow anaerobic immobilized biomass reactor
(ELSEVIER SCI LTD, 2009)
Two bench-scale horizontal anaerobic fixed bed reactors were tested to remove both sulfate and organic matter from wastewater. First, the reactors (R1 and R2) were supplied with synthetic wastewater containing sulfate and ...
Influence of feed time and sulfate load on the organic and sulfate removal in an ASBR
(ELSEVIER SCI LTD, 2010)
The removal of sulfate and organic matter was assessed in an ASBR, which treated wastewater containing 500 mg COD L(-1) (3 g COD L(-1) d(-1)) in 8 h-cycles at 30 degrees C. The wastewater was enriched with sulfate at ...
Assessment of a UASB reactor for the removal of sulfate from acid mine water
(ELSEVIER SCI LTDOXFORD, 2012)
A bench-scale Upflow Anaerobic Sludge Blanket (UASB) reactor was used to study the treatment of acid mine drainage through the biological reduction of sulfate. The reactor was fed with acid mine drainage collected at the ...
Application of horizontal-flow anaerobic immobilized biomass reactor for bioremediation of acid mine drainage
(2016-06-01)
The production of low-pH effluent with sulfate and metals is one of the biggest environmental concerns in the mining industry. The biological process for sulfate reduction has the potential to become a low-cost solution ...
Application of molecular techniques to evaluate the methanogenic archaea and anaerobic bacteria in the presence of oxygen with different COD : sulfate ratios in a UASB reactor
(ELSEVIER SCI LTD, 2008)
In this paper, the microbial characteristics of the granular sludge in the presence of oxygen (3.0 +/- 0.7 mg O-2 1(-1)) were analyzed using molecular biology techniques. The granules were provided by an upflow anaerobic ...
Kinetic modeling and microbial assessment by fluorescent in situ hybridization in anaerobic sequencing batch biofilm reactors treating sulfate-rich wastewater
(Brazilian Society of Chemical Engineering, 2011)
This paper reports the results of applying anaerobic sequencing batch biofilm reactors (AnSBBR) for treating sulfate-rich wastewater. The reactor was filled with polyurethane foam matrices or with eucalyptus charcoal, used ...
Temperature and feed strategy effects on sulfate and organic matter removal in an AnSBB
(ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD, 2011)
The objective of this work was to analyze the interaction effects between temperature, feed strategy and COD/[SO(4)(2-)] levels, maintaining the same ratio, on sulfate and organic matter removal efficiency from a synthetic ...
The treatment of sulfate-rich wastewater using an anaerobic sequencing batch biofilm pilot-scale reactor
(ELSEVIER SCIENCE BV, 2009)
This paper presents the results from 92 cycles of an anaerobic sequencing batch biofilm reactor containing biomass immobilized on inert support (mineral coal) applied for the treatment of an industrial wastewater containing ...
Microbial processes and bacterial populations associated to anaerobic treatment of sulfate-rich wastewater
(ELSEVIER SCI LTD, 2010)
A pilot-scale (1.2 m(3)) anaerobic sequencing batch biofilm reactor (ASBBR) containing mineral coal for biomass attachment was fed with sulfate-rich wastewater at increasing sulfate concentrations. Ethanol was used as the ...