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Use of laboratory anaerobic digesters to simulate the increase of treatment rate in full-scale high nitrogen content sewage sludge and co-digestion biogas plants

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Use of laboratory anaerobic digesters to simulate the increase of treatment rate in full-scale high nitrogen content sewage sludge and co-digestion biogas plants. / Tampio, Elina; Ervasti, Satu; Paavola, Teija; Rintala, Jukka.

julkaisussa: Bioresource Technology, Vuosikerta 220, 2016, s. 47-54.

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Tampio, Elina ; Ervasti, Satu ; Paavola, Teija ; Rintala, Jukka. / Use of laboratory anaerobic digesters to simulate the increase of treatment rate in full-scale high nitrogen content sewage sludge and co-digestion biogas plants. Julkaisussa: Bioresource Technology. 2016 ; Vuosikerta 220. Sivut 47-54.

Bibtex - Lataa

@article{06beb41a49814d11a03278919b641daf,
title = "Use of laboratory anaerobic digesters to simulate the increase of treatment rate in full-scale high nitrogen content sewage sludge and co-digestion biogas plants",
abstract = "The aim of this study was to assess the effect of increasing feedstock treatment rate on the performance of full-scale anaerobic digestion using laboratory-scale reactors with digestate and feedstock from full-scale digesters. The studied nitrogen-containing feedstocks were i) a mixture of industrial by-products and pig slurry, and ii) municipal sewage sludge, which digestion was studied at 41 and 52 degrees C, respectively. This study showed the successful reduction of hydraulic retention times from 25 and 20 days to around 15 days, which increased organic loading rates from 2 to 3.5 kg volatile solids (VS)/m(3) d and 4 to 6 kg VS/m(3) d. As a result, the optimum retention time in terms of methane production and VS removal was 10-15{\%} lower than the initial in the full-scale digesters. Accumulation of acids during start-up of the co-digestion reactor was suggested to be connected to the high ammonium nitrogen concentration and intermediate temperature of 41 degrees C. (C) 2016 Elsevier Ltd. All rights reserved.",
keywords = "Anaerobic digestion, Nitrogen, Co-digestion, Sewage sludge, Hydraulic retention time, MICROBIAL COMMUNITY STRUCTURE, FOOD WASTE, SUBSTRATE RATIO, AMMONIA, INOCULUM, TEMPERATURE, PERFORMANCE, MANURE",
author = "Elina Tampio and Satu Ervasti and Teija Paavola and Jukka Rintala",
note = "EXT={"}Tampio, Elina{"}",
year = "2016",
doi = "10.1016/j.biortech.2016.08.058",
language = "English",
volume = "220",
pages = "47--54",
journal = "Bioresource Technology",
issn = "0960-8524",
publisher = "ELSEVIER SCI LTD",

}

RIS (suitable for import to EndNote) - Lataa

TY - JOUR

T1 - Use of laboratory anaerobic digesters to simulate the increase of treatment rate in full-scale high nitrogen content sewage sludge and co-digestion biogas plants

AU - Tampio, Elina

AU - Ervasti, Satu

AU - Paavola, Teija

AU - Rintala, Jukka

N1 - EXT="Tampio, Elina"

PY - 2016

Y1 - 2016

N2 - The aim of this study was to assess the effect of increasing feedstock treatment rate on the performance of full-scale anaerobic digestion using laboratory-scale reactors with digestate and feedstock from full-scale digesters. The studied nitrogen-containing feedstocks were i) a mixture of industrial by-products and pig slurry, and ii) municipal sewage sludge, which digestion was studied at 41 and 52 degrees C, respectively. This study showed the successful reduction of hydraulic retention times from 25 and 20 days to around 15 days, which increased organic loading rates from 2 to 3.5 kg volatile solids (VS)/m(3) d and 4 to 6 kg VS/m(3) d. As a result, the optimum retention time in terms of methane production and VS removal was 10-15% lower than the initial in the full-scale digesters. Accumulation of acids during start-up of the co-digestion reactor was suggested to be connected to the high ammonium nitrogen concentration and intermediate temperature of 41 degrees C. (C) 2016 Elsevier Ltd. All rights reserved.

AB - The aim of this study was to assess the effect of increasing feedstock treatment rate on the performance of full-scale anaerobic digestion using laboratory-scale reactors with digestate and feedstock from full-scale digesters. The studied nitrogen-containing feedstocks were i) a mixture of industrial by-products and pig slurry, and ii) municipal sewage sludge, which digestion was studied at 41 and 52 degrees C, respectively. This study showed the successful reduction of hydraulic retention times from 25 and 20 days to around 15 days, which increased organic loading rates from 2 to 3.5 kg volatile solids (VS)/m(3) d and 4 to 6 kg VS/m(3) d. As a result, the optimum retention time in terms of methane production and VS removal was 10-15% lower than the initial in the full-scale digesters. Accumulation of acids during start-up of the co-digestion reactor was suggested to be connected to the high ammonium nitrogen concentration and intermediate temperature of 41 degrees C. (C) 2016 Elsevier Ltd. All rights reserved.

KW - Anaerobic digestion

KW - Nitrogen

KW - Co-digestion

KW - Sewage sludge

KW - Hydraulic retention time

KW - MICROBIAL COMMUNITY STRUCTURE

KW - FOOD WASTE

KW - SUBSTRATE RATIO

KW - AMMONIA

KW - INOCULUM

KW - TEMPERATURE

KW - PERFORMANCE

KW - MANURE

U2 - 10.1016/j.biortech.2016.08.058

DO - 10.1016/j.biortech.2016.08.058

M3 - Article

VL - 220

SP - 47

EP - 54

JO - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

ER -