Synergetic approach for energy recovery from coastal wastes based on combination of biological and thermal treatment

Marine biomass is a promising renewable energy source, especially as this waste contains a large amount of cellulose and hemicellulose, which can contribute to convert it into energy products using anaerobic digestion (AD) and pyrolysis processes. This work was focused on a synergetic view of marine...

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Veröffentlicht in:Environmental technology. - 1993. - 43(2022), 18 vom: 03. Juli, Seite 2755-2770
1. Verfasser: Eimontas, Justas (VerfasserIn)
Weitere Verfasser: Striūgas, Nerijus, Zakarauskas, Kęstutis, Navickas, Kęstutis, Venslauskas, Kęstutis
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Environmental technology
Schlagworte:Journal Article Anaerobic digestion bioenergy conversion biogas pyrolysis seaweed Biofuels Sewage Methane OP0UW79H66
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520 |a Marine biomass is a promising renewable energy source, especially as this waste contains a large amount of cellulose and hemicellulose, which can contribute to convert it into energy products using anaerobic digestion (AD) and pyrolysis processes. This work was focused on a synergetic view of marine coastal waste treatment (seaweed) using two different technologies, anaerobic microbiological co-digestion, and pyrolysis. The experiments were performed with two merged technologies to assess the captured energy from the digestate in case it is contaminated. Anaerobic co-digestion was conducted using a periodic load laboratory bench with a vertical biogas digester. An evaluation of possible product yields and composition during pyrolysis at a laboratory-scale bench has been performed. The products obtained after the thermal treatment analyzed using an online gas measurement system and gas chromatographs Agilent 7890A with TCD detector (for gases) and Agilent 7890A with MS detector (for liquids).The results demonstrated that biogas yield was 174.1 l/kg (DM). Seaweed washed by seawater yields a higher amount of biogas (202.5 l/kg). Meanwhile, seaweed, sewage sludge, and digestate samples subjected to thermal treatment produced 17%, 30%, and 15% of liquids products, respectively. The economic performance assessment showed that the application of the developed merged approach on an industrial scale could provide an economic return of up to 8.3 $/100 kg of waste. Based on that, merged AD and pyrolysis technologies could be adapted as a promising technology to valorize seaweed wastes and utilize them as a new sustainable source for renewable energy 
650 4 |a Journal Article 
650 4 |a Anaerobic digestion 
650 4 |a bioenergy conversion 
650 4 |a biogas 
650 4 |a pyrolysis 
650 4 |a seaweed 
650 7 |a Biofuels  |2 NLM 
650 7 |a Sewage  |2 NLM 
650 7 |a Methane  |2 NLM 
650 7 |a OP0UW79H66  |2 NLM 
700 1 |a Striūgas, Nerijus  |e verfasserin  |4 aut 
700 1 |a Zakarauskas, Kęstutis  |e verfasserin  |4 aut 
700 1 |a Navickas, Kęstutis  |e verfasserin  |4 aut 
700 1 |a Venslauskas, Kęstutis  |e verfasserin  |4 aut 
773 0 8 |i Enthalten in  |t Environmental technology  |d 1993  |g 43(2022), 18 vom: 03. Juli, Seite 2755-2770  |w (DE-627)NLM098202545  |x 1479-487X  |7 nnas 
773 1 8 |g volume:43  |g year:2022  |g number:18  |g day:03  |g month:07  |g pages:2755-2770 
856 4 0 |u http://dx.doi.org/10.1080/09593330.2021.1901148  |3 Volltext 
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