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27 results for “Anaerobic digestate”
Data for the original research article 'Enhanced anaerobic digestion of dairy wastewater in a granular activated carbon amended sequential batch reactor'
<p>All data that support the findings of the study 'Enhanced anaerobic digestion of dairy wastewater in a granular activated carbon amended sequential batch reactor' published in GCB Bioenergy Journal are openly available in the file.</p>
Supplementary Materials - Upcycling phosphorus recovered from anaerobically digested dairy manure to support production of vegetables and flowers
<p>Table S1; Nutrient contents of materials on a dry weight basis, Table S2; Bioassay germination rates, survival rates, root dry biomass, shoot dry biomass and total dry biomass by amendment and application rate, Figure S1; Pathogen suppression potential of as-is fine solids and the market alternative</p>
Removal of contaminants of emerging concern from the supernatant of anaerobically digested sludge by O3 and O3/H2O2: Ozone requirements, effects of the matrix, and toxicity
<p>Digestate is a rich source of nutrients that can be applied in agricultural fields as fertilizer or irrigation water.<br>However, most of the research about application of digestate have focused on its agronomic properties and<br>neglected the potential harm of the presence of contaminants of emerging concern (CECs). Aadvanced oxidation processes (AOPs) have proved to be effective for removing these compounds from drinking water, yet there are some constrains to treat wastewater and digestate mainly due to their complex matrix. In this study, the feasibility to remove different CECs from digestate using O3 and O3/H2O2 was assessed, and the general effect of the matrix in the oxidation was explained. While the lab-scale ozonation provided an ozone dose of 1.49 mg O3/mg DOC in 5 h treatment, almost all the compounds were removed at a lower ozone dose of maximum 0.48 mg O3/ mg DOC; only ibuprofen required a higher dose of 1.1 mg O3/mg DOC to be oxidized. The digestate matrix slowed down the kinetic ozonation rate to approximately 1% compared to the removal rate in demineralized water. The combined treatment (O3/H2O2) showed the additional contribution of H2O2 by decreasing the ozone demand by 59–75% for all the compounds. The acute toxicity of the digestate, measured by the inhibition of Vibrio fisheries luminescence, decreased by 18.1% during 5 h ozonation, and by 34% during 5 h O3/H2O2 treatment. Despite the high ozone consumption, the ozone dose (mg O3/mg DOC) required to remove all CECs from digestate supernatant was in the range or lower than what has been reported for other (waste-)water matrix, implying that ozonation can be considered as a post-AD treatment to produce cleaner stream for agricultural purposes.</p>
Impact of hydraulic retention time and pressure on anaerobic digestion of glucose-containing synthetic wastewater
<p>High-pressure anaerobic digestion (HPAD) can directly upgrade biogas (CH4 content to 90%) within the reactor. However, critical operational parameters, including hydraulic retention time (HRT) and pressure remained limited investigation. In this study, an HPAD reactor was operated at five different HRT (from 40 to 13 days), with pressure around 10~13 bar. In HPAD, the pressure was the driving force behind CH4 content. Low HRT (< 20 days) led to volatile fatty acid accumulation, which was earlier than the normal pressure counterpart. HRT had more effect on Archaea than Bacteria, while such a trend was inverted for pressure. Hydrogenotrophic methanogen Methanobacterium prevailed at low HRT (13~20 days). When operating continuous HPAD, attention should be paid to HRT, as low HRT (13 days) impaired the activity of CH4-synthesizing enzyme Methyl-coenzyme M reductase (MCR).</p>
VALORIZATION OF DIFFERENT LANDRACE AND COMMERCIAL SORGHUM (Sorghum bicolor (L.) Moench) STRAW VARIETIES BY ANAEROBIC DIGESTION
<p>The provided data are the raw or primary data used to create the figures and tables in the article: VALORIZATION OF DIFFERENT LANDRACE AND COMMERCIAL SORGHUM (Sorghum bicolor (L.) Moench) STRAW VARIETIES BY ANAEROBIC DIGESTION.</p> <p> </p>
Aspen Plus models of the flash distillation process for stabilization of anaerobic digestate and synthesis of ammonium bicarbonate
<p>Aspen Plus models developed for validation of the simulation and to explore more processing conditions for the manufacturing of ammonium bicarbonate and stabilization of anaerobic digestate</p>
The microbial functional gene diversity in anaerobic digesters under different organic loadings
GEO Series GSE93419. uncultured soil microorganism; sludge metagenome. 42 samples. Type: Other.
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International Brain Laboratory public data
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OpenNeuro
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