2017-11-1 · Conversion of biomass energy of dewatered oily sludge to electricity is the rate-limiting process in bioelectrochemical system (BES). In this study, 2 mg g −1 rhamnolipids were added to dewatered oily sludge, resulting in a significant enhancement in maximum power density from 3.84 ± 0.37 to 8.63 ± 0.81 W m −3, together with an increase in total organic carbon (TOC) and total petroleum ...
Contact us2019-12-13 · In this direction, a microbial fuel cell (MFC, an application of BES), was employed for the treatment of total petroleum hydrocarbons (TPHs) in a soil microenvironment at three ranges of pollution (loading conditions – 320, 590 and 840 mg TPH per L).
Contact us2017-11-7 · balluff BES M30MI-PSC15B-S04K DUMA L=2000 D0.8mm Funke FP 40-483-1-NH-0 16.0BAR ART-NR.75993 SERIEN-NR.782619 Multi-Contact 18.4706 Beckhoff EP1018-0001 Balluff BES 516-325-G-E5-C-S49 KTR GS38 64SHD 4
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Contact usBioremediation is an efficient strategy for cleaning up sites contaminated with organic pollutants. In this study, we evaluated the effectiveness of monitored natural attenuation, bioenrichment, and bioaugmentation using a consortium of three actinomycetes strains in remediating two distinct typical Brazilian soils from the Atlantic Forest and Cerrado biomes that were contaminated with crude ...
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Contact us2020-2-7 · Bioremediation is a low-cost approach for crude oil spill remediation, but it is often limited by electron acceptor availability. In addition, the biodegradation products of crude oil contaminants are complex, and transformation pathways are difficult to ...
Contact us2010-2-10 · TPH-4T-4K TPH 4T4KS SUS304 T.080.100.1000.I 8.5020.0014.1024.W046 PR3.054 KF 0 LS-115-4-1612 DIN 5685A
Contact us2020-1-27 · After separating the daughter products into nine fractions (MA1-MA9) according to the molecular weight (m/z 200~1000) by modified aminopropyl silica (MAPS) fractionation, we found active BES remediation resulted in 50% more polar, oxygen-containing naphthenic (NAP) acids.
Contact us2021-7-2 · Serotonin (5-HT) is one of the principal neurotransmitters in the nervous system of vertebrates. It is initially synthesized by hydroxylation of tryptophan (Trp) by means of tryptophan hydroxylase or TPH which is the rate-limiting enzyme in the production of 5-HT. In most vertebrates, there are two isoforms of TPH present, TPH1 and TPH2, which exhibit different catalytic or substrate ...
Contact us2019-12-13 · The increase in the TPH loading to 590 mg TPH per L indicated a substantial improvement in the substrate removal, registering a maximum value of 248 mg L −1 (42.03%). The average TPH degradation in the three cycles of operation with 590 mg TPH per L was 235 mg L −1, which represented a 39.9% removal efficiency.The increase in the TPH loading resulted in an improvement in TPH …
Contact usThey found that after 135 days operation, 12.5% TPH in the soil was removed with the horizontally arranged BES anode, compared with 8.3% removal with the vertical counterpart, suggesting that horizontal BES anode arrangement may be more suitable for the treatment for TPH …
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Contact usA microbial fuel cell configured for the remediation of recalcitrant pollutants in soil environment† Gunda Mohanakrishna, a Riyadh I. Al-Raoush, *a Ibrahim M. Abu-Reesh b and Deepak Pant c A pristine soil environment supports a healthy soil biodiversity, which is often polluted with recalcitrant
Contact usGeophysical Monitoring of Hydrocarbon-Contaminated Soils Remediated with a Bioelectrochemical System Deqiang Mao,† Lu Lu,‡ AndréRevil,*,§ Yi Zuo,∥ John Hinton,† and Zhiyong Jason Ren ...
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Contact us2019-1-1 · In another similar study where cylindrical-type BES were examined for the remediation of a TPH-contaminated soil, a higher ROI (5 cm) was recorded after a longer period of 64 days . Nonetheless, as expected, the soil closer to the BES anode had a higher microbial hydrocarbon degradation activity enabling a faster TPH removal [68] .
Contact us2015-9-4 · Indeed, while after 200 days of incubation a negligible degradation of TPH was noticed in snorkel-free controls, a significant reduction of 12 ± 1% (p = 0.004) and 21 ± 1% (p = 0.001) was observed in microcosms containing one and three snorkels, …
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Contact us2016-7-7 · Seven TPH measurements were taken at day 0, 8, 40, 60, 120, 150, and 200. Control experiments of the two soils were prepared in different containers without BES …
Contact usThe increase in the TPH loading to 590 mg TPH per L indicated a substantial improvement in the substrate removal, registering a maximum value of 248 mg L −1 (42.03%). The average TPH degradation in the three cycles of operation with 590 mg TPH per L was 235 mg L −1, which represented a 39.9% removal efficiency.The increase in the TPH loading resulted in an improvement in TPH degradation.
Contact us2021-4-28 · When the operation time extended to 119 days, the AC+BIO system could remove 73.3% of the TPH. Applying AC electric field (20–200 V/m) could maintain the soil pH at neutral, superior to the ...
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Contact us2018-10-1 · But, in a similar study using diesel-contaminated soil in two column-type BES, the TPH removal was observed to be 89.7% along with 70.4 mA/m 2 of current density (Lu et al., 2014). As the soil is contaminated with diesel alone, which is far less complex than hydrocarbon contamination, the TPH removal was on higher side.
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Contact usBioelectrochemical treat ment of PW in soil BES showed about 64.5±4% TPH reduction and 69±2% COD reduction, leaving considerable a mounts of po llutants untreated a fter 7 days o f operation.
Contact us2020-9-1 · COD and TPH removal (TPH R) recorded from the soil BES evidenced bioanodic oxidation and concomitant biocathodic reduction activity for treatment of PW. From the five cycles of operation in the first phase, TPH R was found to exhibit more than 60 % efficiency after 7 days using 2 V of applied potential ( Fig. 2 a).
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