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L-1 than that produced with lactate mg. Ammonia was produced in all reactors, probably due to ammonification of nitrite.

Effect of application rates and media types on nitrogen and surfactant removal in trickling filters applied to the post-treatment of effluents from UASB reactors. The aim of the experiment is to study the startup process of UASB reactor for biohydrogen production by anaerobic fermentation of press mud.

Lyngby Denmark ; Angelidaki, Irini, E-mail: All this drive to the conclusion that the anaerobic digestion of the distillery vinasses in UASB reactors as a primary treatment option, with the use of the treated vinasses for the ferti-irrigation of the cane fields to close the cycle make the ethanol production true ecofrienly.

The system used was composed by one acidification and equalization tank TAE, one anaerobic upflow sludge blanket reactor UASBone facultative aerated pond, one equalization tank and one gas tank. Reduction of HRT from 1. Continuous operations of a UASB reactor treating pulp wastewater with addition of waste starch PS reactor and a UASB reactor treating pulp wastewater with addition of incinerated ash PA reactorwere investigated at mesophilic conditions.


The reactors were supplied with ethanol as the electron donating mentita to promote the biological reduction of Te IV. The other 2 are in the film but they were clearly rearranged after.

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One of the reactors also received increasing concentrations of sodium sulfide. A biotechnological process is proposed to recover Pd II from industrial streams and to immobilize it in anaerobic granular sludge.

When the reactor reached the maximum COD removal efficiency it was then shifted to municipal wastewater MWW mixed with industrial wastewater. The problem constraints are mass balances in the reactorsand in the considered reactor network superstructure. Appropriate low-cost treatment technologies are a prerequisite for sound management of natural water resources against pollution in developing descargat.

All these features have made the vinasse a substrate feasible for hydrogen fermentative production.

The sustainability of the sewage treatment plants STPs was evaluated using a composite indicator, which incorporated environmental, societal, and economic dimensions. This final treated effluent could cope with the ailde water reuse of local Egyptian guidelines. For the control, a second reactor was kept on glucose feeding from day 1 to A sludge recirculation rate of 0.

The composition and dynamics of the propionate degrading community in a propionate-fed mentiea anaerobic sludge bed UASB reactor with sludge originating from an alcohol distillery wastewater treating UASB reactor was studied. This online service is completely for free.

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Considering the population living in cities overinhabitants, the potential of energy and nutrient recovery via the sewage treatment scheme would be sufficient to generate electricity for approximately 3. Football was on its way to becoming the dominate college sport. Influence of phase separator design on the performance of UASB Effect of multiwalled carbon nanotubes on UASB microbial consortium.

Moreover, sensitivity analysis showed that five out of the seven scenarios tested, the UASB -DHS system showed good results amongst the treatment system. However, aspects concerning fluid dynamics in wastewater treatment bioreactors still require further investigation, as they highly influence process efficiency. A novel mathematical model was developed to estimate the volumetric nitrogen conversion rates of a high-rate Anammox UASB reactor based on the packing patterns of granular sludge.



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The laboratory scale UASB reactor and column system were observed for a period of days. The continuous experiments were carried out in a 30 cubic m UASB pilot-plant with digested sewage sludge from the municipal sewage treatment plant of Ede, The Netherlands Ede-2 sludgeused as seed.

Coordenacao dos Programas de Pos-graduacao de Engenharia.

In the present research work, a modification was done in the design of UASB to improve mixing of reactor liquid which is important to enhance the reactor performance. The lab-scale and full-scale performance of a combined mesophilic up-flow anaerobic sludge blanket UASB and aerobic contact oxidation ACO process for treating acrylic decadenciw was studied.

The UASB reactor was operated at a permanent hydraulic regime, while three operational conditions were imposed to the TF during the experimental period. Three multi-stage BAF filled with three different packing materials were used: The effect of granular activated carbon GAC addition on the removal of diclofenac, ibuprofen, metoprolol, galaxolide and triclosan in a up-flow anaerobic sludge blanket UASB reactor was studied.

Effect of temperature on anaerobic treatment of black water in UASB -septic tank systems.