biodegradation of dbp by biofilm reactor

Biodegradation of DBP by Biofilm Reactor

Download Citation | Biodegradation of DBP by Biofilm Reactor | The removal efficiency of dibutyl phthalate (DBP) and its environmental hormone treated by biofilm reactor has been investigated.,Biodegradation of DBP by Biofilm Reactor | Scientific.Net ,Biodegradation of DBP by Biofilm Reactor Abstract: The removal efficiency of dibutyl phthalate (DBP) and its environmental hormone treated by biofilm reactor has been investigated. Besides, the the kinetic model of the degradation of DBP and its degradation products in the reactor have been discussed.,Biodegradation of DBP by Biofilm Reactor | Health … ,The results indicate that the biofilm reactor had a positive effect on the removal of DBP and was able to significantly reduce the environmental hormone in DBP influent. The activity of beta- galactosidase dropped from 13.55 millers to 3.3 millers and the removal efficiency of DBP reached

Biodegradation of DBP by Biofilm Reactor – NASA/ADS

adshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A,Applied Mechanics and Materials Vols. 178-181 | p. 9 … ,Biodegradation of DBP by Biofilm Reactor. Authors: Jian Yu, Yu Fu, Ming Jie Jiang, Wen Hui Ren Abstract: The removal efficiency of dibutyl phthalate (DBP) and its environmental hormone treated by biofilm reactor has been investigated.,The role of biofilms on the formation and decay of … ,Biofilms influence the formation and degradation of DBPs in DWDSs. • Biofilm quantity and disinfectant types/residuals affect DBP formation from biofilms. • Sharp increases of HAAs and THMs at elevated Cl 2 residuals were temporary.

Biodegradation and toxicity removal of phthalate mixture …

In another batch shake flask study on biodegradation of DMP, DEP, DIBP, DBP and DEHP at 1000 mg/L total initial concentration using Paracoccus kondratievae BJQ0001, Xu et al. (2020a) observed 50%–100% degradation efficiency within 24–120 h.,Biodegradation of phenolic wastewater in a fixed biofilm … ,The fixed biofilm column reactor with a high recycle flow rate ( Qr / Q = 25) to maintain a completely stirred tank reactor (CSTR) was used to treat phenol. The reactor was fed with phenolic wastewater at 3.56 L/day.,Biodegradation of pharmaceuticals in … – ScienceDirect ,As Moving Bed Biofilm Reactors (MBBRs) appear to remove organic micro-pollutants, hospital wastewater was treated with a pilot plant consisting of three MBBRs in series. The removal of pharmaceuticals was studied in two experiments: 1) A batch experiment where pharmaceuticals were spiked to each reactor and 2) a continuous flow experiment at …

DBP Biodegradation – University of Massachusetts Amherst

Batch experiments were conducted to investigate the pathways and kinetics of DBP degradation. As expected, the relative importance of hydrolysis, abiotic reductive dehalogenation, and biodegradation depends on the DBP structure and on the environmental conditions (i.e.,Biodegradation of benzotriazoles and hydroxy-benzothiazole … ,Biodegradation of benzotriazoles and hydroxy-benzothiazole in wastewater by activated sludge and moving bed biofilm reactor systems. Mazioti AA(1), Stasinakis AS(2), Pantazi Y(1), Andersen HR(3).,Biodegradation of benzotriazoles and hydroxy-benzothiazole … ,This is a post‐print of the manuscript Biodegradation of benzotriazoles and hydroxy‐benzothiazole in wastewater by activated sludge and moving bed biofilm reactor systems. Bioresource Technology.

Performance, kinetic, and biodegradation pathway …

Performance, kinetic, and biodegradation pathway evaluation of anaerobic fixed film fixed bed reactor in removing phthalic acid esters from wastewater,Biodegradation of dimethyl phthalate with high removal … ,Biological treatment of a dimethyl phthalate (DMP)-containing waste stream was evaluated in packed-bed bioreactors using an acclimated mixed bacterial culture. The passive immobilization start-up strategy was successful in the development of a stable biofilm on the packing material in the reactor.,Microbial reduction of bromate: current … – Biodegradation ,Bromate is a disinfection byproduct (DBP) that forms during the ozonation of bromide-containing natural water, which may cause health risks to humans. In this review, we provide an overview of the mechanism of bromate formation, microbial communities and bioreactors that are responsible for bromate reduction.

Hybrid Moving Bed Biofilm Reactor for the biodegradation …

Hybrid Moving Bed Biofilm Reactor for the biodegradation of benzotriazoles and hydroxy‐benzothiazole in wastewater Aikaterini A. Mazioti a, Athanasios S.,[PDF] Biodegradation of acetonitrile by adapted biofilm in … ,Denaturing gradient gel electrophoresis studies showed that the ACN-degrading biofilms contained a stable microbial population with a low diversity of sequence of community 16S rRNA gene fragments, suggesting that the biofilm formation process can enhance the metabolic degradation efficiency towards ACN in the MABR. A membrane-aerated biofilm reactor (MABR) was developed to degrade …,Degradation of reactive dyes in a photocatalytic … ,Decolorization and mineralization of reactive dyes by intimately coupled TiO₂-photocatalysis and biodegradation (ICPB) on a novel TiO₂-coated biofilm carrier were investigated in a photocatalytic circulating-bed biofilm reactor (PCBBR). Two typical reactive dyes–Reactive Black 5 (RB5) and Reactive …

The role of biofilms on the formation and decay of …

This study investigated the role of biofilms on the formation and decay of disinfection by-products (DBPs) in chlorine (Cl 2) or monochloramine (NH 2 Cl) disinfected reactors under the conditions related to drinking water distribution systems (DWDSs). Biofilm analysis results revealed that at 0.5 mg/L of disinfectant residual, both Cl 2 and NH 2 Cl were not effective to remove biofilms.,Biodegradation of di-n-butyl phthalate in sequencing batch … ,Comparison of DBP biodegradation performance in two SBRs DBP at the concentration of 10.0 mg/L was fed with the synthetic wastewater for the start-up of the reactors. At first, the removal percentage of DBP maintained at approximately 20 % during the first two cycles in Reactor 1 (Fig.,Biodegradation of the Insecticide Bendiocarb by Bacillus … ,Biodegradation of the Insecticide Bendiocarb by Bacillus thuringiensis in a Packed Biofilm Reactor. S.

Biodegradation of benzotriazoles and hydroxy-benzothiazole …

This is a post‐print of the manuscript Biodegradation of benzotriazoles and hydroxy‐benzothiazole in wastewater by activated sludge and moving bed biofilm reactor systems. Bioresource Technology.,Biodegradation of hydrolyzed polyacrylamide by the … ,Biodegradation of hydrolyzed polyacrylamide by the combined expanded granular sludge bed reactor-aerobic biofilm reactor biosystem and key microorganisms involved in this bioprocess. Song T(1), Li S(1), Ding W(1), Li H(1), Bao M(2), Li Y(3).,Continuous trichloroethylene biodegradation by Pseudomonas … ,Reactor design and feeding strategies are the key to successful trichloroethylene (TCE) treatment via cometabolism. An easy to maintain and operate laboratory scale packed-bed biofilm reactor, featuring recycled gas and liquid effluent streams, was developed for continuous aerobic aqueous-phase TCE biodegradation using Pseudomonas putida F1 as the biocatalyst and toluene as the primary substrate.

Biodegradation of Chlorinated Solvents in a Sparged …

Biodegradation of chlorinated solvents in a sparged, methanotrophic biofilm reactor Stuart E. Strand, James V.,Biodegradation of Polyethoxylated Nonylphenols in Packed … ,The three biofilm reactors, tested under batch conditions, showed comparable degradation capabilities and specificities, being able to remove from 77 to 99% of the total Igepal mixtures supplied after 9 days of batch treatment. NPnEOs were mostly removed through biodegradation, as suggested by the accumulation of two metabolites typical of …,Biodegradation of pharmaceuticals in hospital wastewater … ,Biodegradation of pharmaceuticals in hospital wastewater by a hybrid biofilm and activated sludge system (Hybas) … biomass amount, the last reactor (biofilm only) appeared to have the most effective biomass in respect of removing pharmaceuticals.

Biodegradation of polychlorinated biphenyls using biofilm …

This study investigated the use of biofilms in the biodegradation of polychlorinated biphenyls. The biofilm used was developed on modified cement particles using mixed microbial culture isolated from PCB-contaminated soil.,The role of biofilms on the formation and decay of disinfection … ,Low DBP formation was observed under the recommended minimum Cl 2 residual (0.5 mg/L), which could be attributed to limited Cl 2 reactions with biofilms, as well as a combination of the volatilization and biodegradation of DBPs.,Advanced Oxidation And Biodegradation Processes For The … ,advanced-oxidation-and-biodegradation-processes-for-the-destruction-of-toc-and-dbp-precursors 2/17 Downloaded from conference.chcanys.org on February 10, 2022 by guest Advanced Oxidation Processes for Effluent Treatment Plants – Maulin P. Shah – 2020-07-03 Advanced Oxidation Processes for Effluent Treatment Plants provides a complete overview

Biodegradation – keep.lib.asu.edu

2.4. Internal loop photo-biodegradation reactor (ILPBR) An internal loop photolytic biofilm reactor (ILPBR) was made of quartz glass with a 45-mL working volume (Zhang et al., 2012b).,Biodegradation of NPEOS in Biofilm Reactors ,3.8 mg/L in 2002 [16]).Of the 4 reactors in one set, one was the control and the other 3 were test reactors. The controls were similar to the test reactors in all respects except that they did not receive input of the test compound.The duration of the study was 64 d after the colonization of the mBFR.,[PDF] Biodegradation of acetonitrile by adapted biofilm in … ,Denaturing gradient gel electrophoresis studies showed that the ACN-degrading biofilms contained a stable microbial population with a low diversity of sequence of community 16S rRNA gene fragments, suggesting that the biofilm formation process can enhance the metabolic degradation efficiency towards ACN in the MABR. A membrane-aerated biofilm reactor (MABR) was developed to degrade …

Biodegradation of dimethyl phthalate with high removal …

Biological treatment of a dimethyl phthalate (DMP)-containing waste stream was evaluated in packed-bed bioreactors using an acclimated mixed bacterial culture. The passive immobilization start-up strategy was successful in the development of a stable biofilm on the packing material in the reactor.,Biodegradation of tetracycline antibiotics in A/O moving … ,An anaerobic/aerobic moving-bed biofilm (A/O-MBBR) reactor system was constructed, and the treatment efficiency of aqueous antibiotics in wastewater was investigated. The effects of antibiotics on the microbial communities in the A/O-MBBR were also investigated.,Enhanced biodegradation of pyridine using sequencing batch … ,A sequencing batch biofilm reactor under intermittent micro-aerobic or anaerobic conditions was investigated to remove pyridine at various concentrations from synthetic wastewater. The results showed that over 98% of pyridine (influent concentration ≤200 mg L −1 ) was degraded under intermittent micro-aerobic condition, while about 21% of …

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