Intensification of thermophilic anaerobic digestion of sewage sludge by thermal hydrolysis

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22320%2F25%3A43933642" target="_blank" >RIV/60461373:22320/25:43933642 - isvavai.cz</a>

Výsledek na webu

<a href="https://iwaponline.com/wst/article/92/6/843/109380/Intensification-of-thermophilic-anaerobic" target="_blank" >https://iwaponline.com/wst/article/92/6/843/109380/Intensification-of-thermophilic-anaerobic</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.2166/wst.2025.131" target="_blank" >10.2166/wst.2025.131</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Intensification of thermophilic anaerobic digestion of sewage sludge by thermal hydrolysis

Popis výsledku v původním jazyce

Thermal hydrolysis (THP) combined with thermophilic anaerobic digestion (TAD) offers promising pathways for enhancing sewage sludge treatment. This study is among the first to directly compare THP as both pre- and post-treatment options for TAD. Pre-treatment of waste activated sludge (THP-WAS) and post-treatment of digested sludge (THP-DS) were evaluated on their impacts on process stability, biogas production, and sludge dewaterability. Pilot-scale trials at a wastewater treatment plant (WWTP) in Prague revealed that THP-WAS increased sludge solubilization but faced challenges such as volatile fatty acid accumulation, adversely affecting reactor stability and specific biogas yield. In contrast, THP-DS enhanced biogas production by 10%, improved sludge dewaterability, and achieved superior methane content (73.2%). Further research is needed to optimize THP parameters for reactor stability and to better understand interactions between hydrolyzed WAS and primary sludge.

Název v anglickém jazyce

Intensification of thermophilic anaerobic digestion of sewage sludge by thermal hydrolysis

Popis výsledku anglicky

Thermal hydrolysis (THP) combined with thermophilic anaerobic digestion (TAD) offers promising pathways for enhancing sewage sludge treatment. This study is among the first to directly compare THP as both pre- and post-treatment options for TAD. Pre-treatment of waste activated sludge (THP-WAS) and post-treatment of digested sludge (THP-DS) were evaluated on their impacts on process stability, biogas production, and sludge dewaterability. Pilot-scale trials at a wastewater treatment plant (WWTP) in Prague revealed that THP-WAS increased sludge solubilization but faced challenges such as volatile fatty acid accumulation, adversely affecting reactor stability and specific biogas yield. In contrast, THP-DS enhanced biogas production by 10%, improved sludge dewaterability, and achieved superior methane content (73.2%). Further research is needed to optimize THP parameters for reactor stability and to better understand interactions between hydrolyzed WAS and primary sludge.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10500 - Earth and related environmental sciences

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

WATER SCIENCE AND TECHNOLOGY

ISSN

0273-1223

e-ISSN

1996-9732

Svazek periodika

92

Číslo periodika v rámci svazku

6

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

13

Strana od-do

843-855

Kód UT WoS článku

001585497200001

EID výsledku v databázi Scopus

2-s2.0-105017673261