Pathways for the valorization of animal and human waste to biofuels, sustainable materials, and value-added chemicals

JA Okolie, T Jimoh, O Akande, PU Okoye, CC Ogbaga… - Environments, 2023 - mdpi.com
Human and animal waste, including waste products originating from human or animal
digestive systems, such as urine, feces, and animal manure, have constituted a nuisance to …

Enhancing the Fermentation Process in Biogas Production from Animal and Plant Waste Substrates in the Southeastern Region of Bulgaria

A Terziev, P Zlateva, M Ivanov - Fermentation, 2024 - mdpi.com
Annually, a huge amount of waste from plant biomass and animal manure is produced from
agriculture and animal farming. Many studies provide information on the biomethane …

Study of the efficiency of the joint operation of a cogeneration steam turbine with a heat pump installation

K Hristov - IOP Conference Series: Earth and Environmental …, 2024 - iopscience.iop.org
In the source of heat energy for centralized heat supply systems, the joint production
(cogeneration) of heat and electricity in one energy conversion unit is most often …

Experimental research concerning the possibility of the cow manure conversion into biogas

IA Halmaciu, I Ionel, I Vetres - IOP Conference Series: Earth and …, 2022 - iopscience.iop.org
Cow manure has been used since ancient times as an organic fertilizer in agriculture. Being
rich in micronutrients, especially zinc, it is suitable to be used for all types of crops. The …