Results 151 to 160 of about 78,364 (310)

A Comprehensive Review of the Key Factors Affecting Biogas Production From Anaerobic Digestion of Organic Waste

open access: yesCleanMat, EarlyView.
Efficient conversion of organic waste to biogas depends on the coordinated optimization of feedstock composition, pretreatment, operational parameters, reactor design, and microbial community dynamics. This review highlights how these interacting factors improve methane yield and process stability, advancing anaerobic digestion as a practical pathway ...
Ahmed Alengebawy   +6 more
wiley   +1 more source

From Waste to Value: A Bibliometric‐Systematic Review of Biogas and Biomethane Business Literature

open access: yesCorporate Social Responsibility and Environmental Management, EarlyView.
ABSTRACT In response to escalating environmental challenges and the growing demand for sustainable energy solutions, the agri‐food sector is increasingly exploring business models grounded in circular economy (CE) principles based on the production of biogas and biomethane.
Silvia Cantele   +3 more
wiley   +1 more source

Compositional analysis of food waste entering the source segregation stream in four European regions and implications for valorisation via anaerobic digestion

open access: yes
Separate collection of food waste from households is an efficient instrument for diversion of organic material from landfill to biological treatment. There is widespread consensus that source-segregated food waste is a suitable substrate for valorisation
Arnold, Rebecca   +7 more
core  

Enhancement of the Plant‐Accessible Phosphate Fraction in Sewage Sludge Ashes by Na+ or K+ Addition Prior to Combustion

open access: yesChemSusChem, Volume 18, Issue 6, March 15, 2025.
The addition of Na2CO3 or K2CO3 to sewage sludge prior to combustion leads to the production of ashes containing phosphate in the form of buchwaldite‐like phases (Ca(Na/K)PO4). Compared to conventional sewage sludge mono‐ashes, such Na‐ or K‐ashes show greatly increased P‐solubilities and proved to be potent P‐fertiliser materials in greenhouse ...
Lorenz Bier‐Schorr   +4 more
wiley   +1 more source

Carbon‐Negative Upcycling of Sewage Sludge into Superiorly Stable Gel Via Liquid‐Phase Utilization Strategy for Water‐Remediation

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
This work developed a low‐temperature sludge hydrothermal coupled with gel crosslinking strategy which could upgrade the waste liquid generated from sewage sludge hydrothermal treatment into the hydrothermal‐liquid‐gel. The inventive hydrothermal‐liquid‐gel exhibited the enhanced pollutant removal capability, high synthetic stability, and superior ...
Zifan Liu   +12 more
wiley   +1 more source

Screening CZE–UV Green Method for Acetate, Propionate, Butyrate, and Valerate Analysis in Human Stool for Complementary Gut Dysbiosis Diagnosis

open access: yesELECTROPHORESIS, EarlyView.
A green CZE–UV alternative method for quantifying SCFAs in human stool with cost‐effective and automatization, informative data about patients through reduced sample preparation and minimal consumable. CE is simple and robust equipment for routine clinical laboratory workflows, supporting physicians with information that enhances the accuracy of ...
Olívia B. O. Moreira   +6 more
wiley   +1 more source

Exergy‐Based Simulation and Optimization of Multiagent MSW Gasification for Sustainable Energy Recovery Using Aspen Plus

open access: yesEnergy Science &Engineering, EarlyView.
ABSTRACT Thermochemical gasification is one of the most efficient methods for producing solid waste synthesis gas. Therefore, to predict and analyze the process of gasification of municipal solid waste (MSW) in a downdraft fixed‐bed gasification reactor with a thermal capacity of 2.1 kW, a comprehensive numerical modeling approach based on Gibbs free ...
Mohammad Reza Gharib   +2 more
wiley   +1 more source

Performance of a residential scale plug flow anaerobic reactor for domestic organic waste treatment and biogas generation

open access: yes, 2003
In developing countries clean fuel for cooking and waste treatment are unreachable to many. In contrast to biogas plants treating animal wastes in India and China, there are no residential level anaerobic systems that use domestic organic wastes (DOW) to
Kurup, R.
core  

Anaerobic digestion

open access: yes, 2022
Del Pozo, David Fernandes   +2 more
openaire   +2 more sources

Waste to Hydrogen: Transforming Food Waste Into Biohythane (Bio‐H2 + Bio‐CH4) in a Two‐Stage Reactor With the Aid of a Metal‐Ion Catalyst

open access: yesEnergy Science &Engineering, EarlyView.
This study demonstrates a two‐stage catalytic bioreactor system that converts real food waste into high‐purity biohydrogen and biohythane. In Stage‐1, an enriched Clostridium thermocellum culture combined with Ni2+─Fe2+ bimetallic catalysis enhances hydrolysis efficiency and hydrogenase activity, resulting in a 77% increase in H2 yield and 75.8% purity
K. V. Sreedharan   +5 more
wiley   +1 more source

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