Results 61 to 70 of about 8,986 (253)

Biotechnological aspects of sulfate reduction with methane as electron donor [PDF]

open access: yes, 2010
Biological sulfate reduction can be used for the removal and recovery of oxidized sulfur compounds and metals from waste streams. However, the costs of conventional electron donors, like hydrogen and ethanol, limit the application possibilities.
Lens, P.N.L.   +2 more
core   +2 more sources

The Impact of Thermal Pretreatment on Biohydrogen Production from Palm Oil Mill Effluent (POME) Through Hydrolysis-Acidogenesis

open access: yesEvergreen
: As one of the biggest palm oil producers in the world, Indonesia has great potential to utilize Palm Oil Mill Effluent (POME) for producing hydrogen as a promising energy resource.
Yusnitati   +10 more
semanticscholar   +1 more source

Pleiotropic functions of catabolite control protein CcpA in Butanol-producing Clostridium acetobutylicum

open access: yesBMC Genomics, 2012
Background Clostridium acetobutylicum has been used to produce butanol in industry. Catabolite control protein A (CcpA), known to mediate carbon catabolite repression (CCR) in low GC gram-positive bacteria, has been identified and characterized in C ...
Ren Cong   +6 more
doaj   +1 more source

Phosphotransbutyrylase from Clostridium acetobutylicum ATCC 824 and its role in acidogenesis [PDF]

open access: yesApplied and Environmental Microbiology, 1989
Phosphotransbutyrylase (phosphate butyryltransferase [EC 2.3.1.19]) from Clostridium acetobutylicum ATCC 824 was purified approximately 200-fold to homogeneity with a yield of 13%. Steps used in the purification procedure were fractional precipitation with (NH4)2SO4, Phenyl Sepharose CL-4B chromatography, DEAE-Sephacel chromatography, high-pressure ...
D P, Wiesenborn   +2 more
openaire   +2 more sources

Determination of Kinetic Models in Acidogenesis Process of Palm Oil Mill Effluent

open access: yesEcological Engineering & Environmental Technology
Palm oil mill effluent (POME) can be transformed into biogas. Acidogenesis, as a fermentation process, involves decomposition of hydrolysis products into simpler organic products in the form of acetate, hydrogen and carbon dioxide.
B. Trisakti   +3 more
semanticscholar   +1 more source

Integrating Microbiomes for Regenerative Food Systems: Recent Insights, Implementations, and Emerging Trends

open access: yesFood Science &Nutrition, Volume 13, Issue 12, December 2025.
This review explores how the specific understanding of native microbiome dynamics can aid in advancing agricultural practices and food safety. It also reviews recent advances in microbiome‐targeted technologies, including personalized nutrition, functional foods, and engineered approaches.
Muhammad Tayyab Arshad   +9 more
wiley   +1 more source

Effect of different ratios of cow manure and corn straw on the mixed anaerobic fermentation rate

open access: yesJournal of Hebei University of Science and Technology, 2016
In order to study the effect of the different ratios on the anaerobic fermentation rate is investigated, and the rate-limiting factors are preliminarily determined, at mesophilic (38±1)℃ condition, with anaerobic granular sludge as inoculums, different ...
Zongshan JIANG   +5 more
doaj   +1 more source

Metagenomic Insights Into the Ecology, Taxonomy and Metabolic Capabilities of ‘Candidatus Darwinibacteriales’ Ord. Nov. (Formerly MBA03), a Potential Key Player in Anaerobic Digestion

open access: yesMicrobial Biotechnology, Volume 18, Issue 12, December 2025.
Metagenomic analysis of anaerobic digesters revealed a dominant, uncultured bacterial taxon—MBA03—now proposed as ‘Candidatus Darwinibacteriales’ ord. nov. This newly defined order includes potential syntrophic acetate‐oxidising bacteria (SAOB), suggesting a key role in methane production.
Roser Puchol‐Royo   +9 more
wiley   +1 more source

Biomethane production improvement by enzymatic pretreatments and enhancers of sewage sludge anaerobic digestion [PDF]

open access: yes, 2019
Enzymatic hydrolysis is recognised as an effective pre-treatment for increasing biodegradability of sludge. In this work, isolated commercial enzymes as well as in-situ enzymes producer bacteria were used respectively as enhancers and pre-treatments of ...
Agabo García, Cristina   +4 more
core   +3 more sources

Evaluation of enzymatic pretreatment strategies to enhance anaerobic digestion of tomato waste

open access: yesBiofuels, Bioproducts and Biorefining, Volume 19, Issue 6, Page 1677-1689, November/December 2025.
Abstract Tomato residues are a form of solid waste that can be converted into methane through anaerobic digestion (AD). However, methane production is often limited due to incomplete hydrolysis caused by the high lignocellulosic content of tomato waste.
María Eugenia Martínez   +4 more
wiley   +1 more source

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