Results 71 to 80 of about 38,149 (213)

Electrochemical Oxidative Dihydrobenzofuran Synthesis

open access: yesChemElectroChem, Volume 13, Issue 10, 19 May 2026.
Dihydrobenzofurans are accessed under oxidative electrochemical conditions either starting from phenol‐based ketones or β‐ketolactones. We herein report the synthesis of dihydrobenzofurans via an oxidative cycloetherification process under electrochemical conditions.
David Pollheimer   +2 more
wiley   +1 more source

Microaeration Process Design, Control, and Monitoring for Biogas Desulfurization in Anaerobic Digestion

open access: yesChemBioEng Reviews, Volume 13, Issue 2, April 2026.
This review critically explores how microaeration can enhance biogas desulfurization in anaerobic digestion. It summarizes existing data and provides a comprehensive overview of various microaeration strategies by focusing on both technical and fundamental aspects.
Samiullah Khaskheli   +2 more
wiley   +1 more source

Effect of Stirring on Organic Matter Conversion in Horizontal Biodigesters

open access: yesWater Environment Research, Volume 98, Issue 4, April 2026.
The mechanical stirring effectively mitigates sludge accumulation without compromising overall treatment performance or biogas generation, promoting a reduced buildup of solids within the reactor. ABSTRACT This study investigated the effect of localized mechanical stirring on the performance and organic matter conversion pathways in two bench‐scale ...
Gabrielle Oliveira Rosa da Cruz   +4 more
wiley   +1 more source

UASB seguido de Lagoa de Polimento

open access: yes, 2014
Esse objeto educacional apresenta um tipo de reator anaeróbio (UASB) seguido de uma lagoa de polimento para o sistema de tratamento de esgoto, mostrando o funcionamento do sistema, destacando as suas características, o processo e as etapas que segue o ...
Programa de Pesquisa em Saneamento Básico - PROSAB
core  

Anaerobic Codigestion of Municipal Wastewater, Landfill Leachate, and Crude Glycerin: Process Stability and Methane Yield Assessment Using a Screening Design

open access: yesWater Environment Research, Volume 98, Issue 2, February 2026.
Anaerobic codigestion of municipal wastewater with landfill leachate and crude glycerin can achieve near‐theoretical methane yields (0.349 L NCH4/g tCODadd). An optimal mixture of 2% leachate and 1% glycerin was identified, as higher glycerin content negatively impacted performance, highlighting the criticality of substrate balance for energy recovery.
Gustavo Henrique Pedroso   +1 more
wiley   +1 more source

Modeling temperature effects in anaerobic digestion of domestic wastewater

open access: yesWater-Energy Nexus, 2018
A combination of septic tank (ST) and up-flow anaerobic sludge blanket (UASB) as treatment for domestic wastewater was modeled with the anaerobic digestion model 1 (ADM1). The model was used to visualize the influence of temperature and organic load. The
Sunil Prasad Lohani   +4 more
doaj   +1 more source

Modeling the Impacts of the Changing Land Use and Land Cover and Climate on Stream Flow in the Upper Awash Subbasin, Ethiopia

open access: yesAdvances in Meteorology, Volume 2026, Issue 1, 2026.
Understanding the combined influence of land use/land cover (LULC) and climate change on watershed hydrology is essential for sustainable water resource management in rapidly changing environments. This study evaluated the isolated and combined impacts of LULC and climate change on streamflow and basin water balance in the Upper Awash subbasin (UASB ...
Getahun Belachew Bula   +5 more
wiley   +1 more source

Start-up of upflow anaerobic sludge blanket (UASB) reactor with slaughterhouse stabilization pond sludge [PDF]

open access: yes, 1991
Anaerobic digestion is one of the important processes developed for the treatment of wastewaters containing organic substances. These substances are stabilized by the action of a variety of microbial populations in the absence of free oxygen and are ...
Tenorio, D.O., Ho, G.E.
core  

Hydrogen production in a novel configuration of UASB reactor under different hydraulic retention time [PDF]

open access: yes, 2018
The aim of this work was to evaluate the production of hydrogen in a conventional and hybrid Upflow Anaerobic Sludge Blanket (UASB) reactors by modifying the hydraulic retention time (HRT).
Lucia Andrea del Pilar Hurtado   +7 more
core   +1 more source

Factors affecting students participation in extra-curricular [PDF]

open access: yes, 2017
Extracurricular activity is a complementary of the requirement and interest in the student academic development. Extracurricular learning styles can be implemented in the form of informal where it can provide effective learning experiences to the ...
Mohamad Sari, N., Esa, Ahmad
core   +1 more source

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