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Author |
Pabon-Pereira, C.P.; Castanares, G.; van Lier, J.B. |
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Title |
An OxiTop (R) protocol for screening plant material for its biochemical methane potential (BMP) |
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Year |
2012 |
Publication |
Water Science And Technology |
Abbreviated Journal |
Water Sci. Technol. |
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Volume |
66 |
Issue |
7 |
Pages |
1416-1423 |
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Keywords |
anaerobic biodegradability; BMP test; energy crops; NaOH pellets; pretreatments |
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Abstract |
A protocol was developed for determining the biochemical methane potential (BMP) of plant material using the OxiTop (R) system. NaOH pellets for CO2 absorption and different pretreatment methods were tested for their influence in the BMP test. The use of NaOH pellets in the headspace of the bottle negatively affected the stability of the test increasing the pH and inhibiting methanization. Sample comminution increased the biodegradability of plant samples. Our results clearly indicate the importance of test conditions during the assessment of anaerobic biodegradability of plant material, considering BMP differences as high as 44% were found. Guidelines and recommendations are given for screening plant material suitable for anaerobic digestion using the OxiTop (R) system. |
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Address |
[Pabon Pereira, C. P.] Univ Adolfo Ibanez, Fac Ingn & Ciencias, Santiago 7941169, Chile, Email: claudia.pabon@uai.cl |
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Publisher |
Iwa Publishing |
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English |
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ISSN |
0273-1223 |
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Notes |
WOS:000308137500006 |
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Call Number |
UAI @ eduardo.moreno @ |
Serial |
239 |
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Author |
Pabon-Pereira, C.P.; de Vries, J.W.; Slingerland, M.A.; Zeeman, G.; van Lier, J.B. |
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Title |
Impact of crop-manure ratios on energy production and fertilizing characteristics of liquid and solid digestate during codigestion |
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Year |
2014 |
Publication |
Environmental Technology |
Abbreviated Journal |
Environ. Technol. |
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Volume |
35 |
Issue |
19 |
Pages |
2427-2434 |
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Keywords |
anaerobic digestion; codigestion; digestate; energy crops; maize silage; manure |
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Abstract |
The influence of maize silage-manure ratios on energy output and digestate characteristics was studied using batch experiments. The methane production, nutrients availability (N and P) and heavy metals' content were followed in multiflask experiments at digestion times 7, 14, 20, 30 and 60 days. In addition, the available nutrient content in the liquid and solid parts of the digestate was evaluated. Aanaerobic digestion favoured the availability of nutrients to plants, after 61 days 20-26% increase in NH4+ and 0-36% increase in PO43- were found in relation to initial concentrations. Digestion time and maize addition increased the availability of PO43-. Inorganic nutrients were found to be mainly available in the liquid part of the digestate, i.e. 80-92% NH4+ and 65-74% PO43-. Manure had a positive effect on the methane production rate, whereas maize silage increased the total methane production per unit volatile solids in all treatments. |
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Address |
[Pabon-Pereira, C. P.] Univ Adolfo Ibanez, Fac Engn & Sci, Penalolen, Santiago De Chi, Chile, Email: claudia.pabon@uai.cl |
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Publisher |
Taylor & Francis Ltd |
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English |
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ISSN |
0959-3330 |
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Notes |
WOS:000337615000004 |
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Call Number |
UAI @ eduardo.moreno @ |
Serial |
385 |
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Author |
Pabon-Pereira, C.P.; Hamelers, H.V.M.; Matilla, I.; van Lier, J.B. |
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Title |
New Insights on the Estimation of the Anaerobic Biodegradability of Plant Material: Identifying Valuable Plants for Sustainable Energy Production |
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Year |
2020 |
Publication |
Processes |
Abbreviated Journal |
Processes |
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Volume |
8 |
Issue |
7 |
Pages |
23 pp |
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Keywords |
anaerobic digestion; biodegradability; lignocellulosics; fiber degradation |
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Abstract |
Based on fifteen European plant species, a statistical model for the estimation of the anaerobic biodegradability of plant material was developed. We show that this new approach represents an accurate and cost-effective method to identify valuable energy plants for sustainable energy production. In particular, anaerobic biodegradability (B-o) of lignocellulosic material was empirically found to be related to the amount of cellulose plus lignin, as analytically assessed by the van Soest method, i.e., the acid detergent fiber (ADF) value. Apart from being theoretically meaningful, the ADF-based empirical model requires the least effort compared to the other four proposed conceptual models proposed, as individual fractions of cellulose, hemicellulose, and lignin do not need to be assessed, which also enhances the predictive accuracy of the model's estimation. The model's results showed great predictability power, allowing us to identify interesting crops for sustainable crop rotations. Finally, the model was used to predictB(o)of 114 European plant samples that had been previously characterized by means of the van Soest method. |
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Address |
[Pabon-Pereira, Claudia P.] Univ Adolfo Ibanez, Fac Engn & Sci, Diagonal Las Torres 2700, Penalolen 2700, Santiago De Chi, Chile, Email: claudia.pabon@uai.cl; |
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Publisher |
Mdpi |
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English |
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Series Issue |
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Edition |
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ISSN |
2227-9717 |
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Notes |
WOS:000556716400001 |
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Call Number |
UAI @ eduardo.moreno @ |
Serial |
1217 |
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Permanent link to this record |