Improvement through low cost biofilm carrier in anaerobic tubular digestion in cold climate regions

J. Martí-Herrero; R. Alvarez; M. R. Rojas; L. Aliaga; R. Céspedes; J. Carbonell

doi:10.1016/j.biortech.2014.05.115

Improvement through low cost biofilm carrier in anaerobic tubular digestion in cold climate regions

J. Martí-Herrero
, R. Alvarez
, M. R. Rojas
, L. Aliaga
, R. Céspedes
, J. Carbonell

Research output: Contribution to journal › Article › peer-review

42 Scopus citations

Abstract

The aim of this research is to evaluate the increase of biogas production with low cost tubular digesters in cold climates using PET rings inside the reactor. Two similar digesters have been operated and monitored in cold weather conditions and have been fed with cow manure. Digester 1 was filled with PET - rings as a biofilm carrier, Digester 2 was kept as a reference. Through the PET - rings the functional surface could be increased by a factor 4.2. The results show that 44% more biogas per Kg_SV has been produced with the biofilm carrier in use (0.33m³/kg_SV) (reference digester -0.23m³/kg_SV), at an organic load rate of 0.26kg_SV/m³/d. The thermal performance shows that with an adaptation of the low cost tubular digester the slurry temperature can be raised up to 16.6°C (average) by surrounding temperature of 6.1°C (average) without using any active heating system.

Original language	English
Pages (from-to)	87-93
Number of pages	7
Journal	Bioresource Technology
Volume	167
DOIs	https://doi.org/10.1016/j.biortech.2014.05.115
State	Published - Sep 2014
Externally published	Yes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

Keywords

Anaerobic digestion
Biofilm carrier
Cold climate
Low cost tubular digester
Solids retention time

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10.1016/j.biortech.2014.05.115

Cite this

@article{2cd2bef7647248049497d44d482c3342,

title = "Improvement through low cost biofilm carrier in anaerobic tubular digestion in cold climate regions",

abstract = "The aim of this research is to evaluate the increase of biogas production with low cost tubular digesters in cold climates using PET rings inside the reactor. Two similar digesters have been operated and monitored in cold weather conditions and have been fed with cow manure. Digester 1 was filled with PET - rings as a biofilm carrier, Digester 2 was kept as a reference. Through the PET - rings the functional surface could be increased by a factor 4.2. The results show that 44\% more biogas per KgSV has been produced with the biofilm carrier in use (0.33m3/kgSV) (reference digester -0.23m3/kgSV), at an organic load rate of 0.26kgSV/m3/d. The thermal performance shows that with an adaptation of the low cost tubular digester the slurry temperature can be raised up to 16.6°C (average) by surrounding temperature of 6.1°C (average) without using any active heating system.",

keywords = "Anaerobic digestion, Biofilm carrier, Cold climate, Low cost tubular digester, Solids retention time",

author = "J. Mart{\'i}-Herrero and R. Alvarez and Rojas, \{M. R.\} and L. Aliaga and R. C{\'e}spedes and J. Carbonell",

year = "2014",

month = sep,

doi = "10.1016/j.biortech.2014.05.115",

language = "Ingl{\'e}s",

volume = "167",

pages = "87--93",

journal = "Bioresource Technology",

issn = "0960-8524",

publisher = "Elsevier Ltd",

}

TY - JOUR

T1 - Improvement through low cost biofilm carrier in anaerobic tubular digestion in cold climate regions

AU - Martí-Herrero, J.

AU - Alvarez, R.

AU - Rojas, M. R.

AU - Aliaga, L.

AU - Céspedes, R.

AU - Carbonell, J.

PY - 2014/9

Y1 - 2014/9

N2 - The aim of this research is to evaluate the increase of biogas production with low cost tubular digesters in cold climates using PET rings inside the reactor. Two similar digesters have been operated and monitored in cold weather conditions and have been fed with cow manure. Digester 1 was filled with PET - rings as a biofilm carrier, Digester 2 was kept as a reference. Through the PET - rings the functional surface could be increased by a factor 4.2. The results show that 44% more biogas per KgSV has been produced with the biofilm carrier in use (0.33m3/kgSV) (reference digester -0.23m3/kgSV), at an organic load rate of 0.26kgSV/m3/d. The thermal performance shows that with an adaptation of the low cost tubular digester the slurry temperature can be raised up to 16.6°C (average) by surrounding temperature of 6.1°C (average) without using any active heating system.

AB - The aim of this research is to evaluate the increase of biogas production with low cost tubular digesters in cold climates using PET rings inside the reactor. Two similar digesters have been operated and monitored in cold weather conditions and have been fed with cow manure. Digester 1 was filled with PET - rings as a biofilm carrier, Digester 2 was kept as a reference. Through the PET - rings the functional surface could be increased by a factor 4.2. The results show that 44% more biogas per KgSV has been produced with the biofilm carrier in use (0.33m3/kgSV) (reference digester -0.23m3/kgSV), at an organic load rate of 0.26kgSV/m3/d. The thermal performance shows that with an adaptation of the low cost tubular digester the slurry temperature can be raised up to 16.6°C (average) by surrounding temperature of 6.1°C (average) without using any active heating system.

KW - Anaerobic digestion

KW - Biofilm carrier

KW - Cold climate

KW - Low cost tubular digester

KW - Solids retention time

UR - https://www.scopus.com/pages/publications/84903146138

U2 - 10.1016/j.biortech.2014.05.115

DO - 10.1016/j.biortech.2014.05.115

M3 - Artículo

C2 - 24971949

AN - SCOPUS:84903146138

SN - 0960-8524

VL - 167

SP - 87

EP - 93

JO - Bioresource Technology

JF - Bioresource Technology

ER -

Improvement through low cost biofilm carrier in anaerobic tubular digestion in cold climate regions

Abstract

UN SDGs

Keywords

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