Biological production of hydrogen is poised to become a significant player in the future energy mix. This review highlights recent advances and bottlenecks in various approaches to biohydrogen processes, often in concert with management of organic wastes or waste CO2 . Some key bottlenecks are highlighted in terms of the overall energy balance of the process and highlighting the need for econom...

The development of renewable alternatives to fossil carbon–based transportation fuels has become an urgent national priority. One of the most promising options for nearterm, commercial-scale deployment is biofuel from lignocellulosic biomass (wood chips, grasses, cornstalks, and other inedible plant-based materials). Additionally, biological systems offer multiple paths to diverse bioenergy pro...

Context: Today, the growth of excessive energy consumption and concerns about conservation natural resources has led to identification exploitation new sources. One sources is production from biomass, where sludge forms a significant source biomass. Objectives: This study aims review novel methods processing, such as dark fermentation, photofermentation, anaerobic digestion, bioelectrochemical ...

Hydrogen is an economical source of clean energy that has been utilized by industry for decades. In recent years, demand hydrogen risen significantly. sources include water electrolysis, hydrocarbon steam reforming, and fossil fuels, which emit hazardous greenhouse gases therefore have a negative impact on global warming. The increasing worldwide population created much pressure natural with gr...

Biohydrogen production is measured using a variety of techniques, ranging from low cost intermittent gas release methods where yields are usually reduced due to high partial pressures of hydrogen, to expensive respirometers that can eliminate pressure buildup. A new large headspace volume technique was developed that reduces the potential for hydrogen gas inhibition without the need for a respi...

This study aims to isolate and characterize efficient biohydrogen generating facultative anaerobic bacteria from various samples, viz., biogas plant (BGP), municipal sewage (MS), dairy industry treatment (DTP). The physicochemical properties of untreated sludge samples reflect the anoxic state appropriateness substrate for separating bacteria. producing bacterial strains were separated methanog...