Biogas, a clean renewable energy, is attracting a growing concern of researchers and professionals in many fields. Based on the natural and climatic conditions in semi-arid regions of northwestern China, the present study introduces a specifically-designed family-size biogas plant with a digester of 10 m with manure and urine of animals and humanity as raw materials. The biogas plant is applica...

Biogas is a sustainable fuel that stands out from other biofuels because of the major environmental and socio-economic benefits that can be achieved. This opens up enormous potential for sustainable economic growth and will also improve our energy security. An attempt has been made to find the different ways to improve the overall performance of biogas plant. The present work comprise of improv...

Despite biogas is considered a renewable source of energy, the social acceptability of biogas plants is controversial due to resistance from local communities who are afraid of potential local negative externalities. This paper aim at investigating this claim using evidence from the housing market by means of a diff-in-diff model. Indeed, if households evaluate the presence of biogas plant such...

The optimization of full-scale biogas plant operation is of great importance to make biomass a competitive source of renewable energy. The implementation of innovative control and optimization algorithms, such as Nonlinear Model Predictive Control, requires an online estimation of operating states of biogas plants. This state estimation allows for optimal control and operating decisions accordi...

Production of biogas through anaerobic digestion (AD) from the organic fraction of municipal solid waste (OFMSW) was compared to incineration of the waste. At the moment, almost all of the OFMSW in Singapore is incinerated. Three different scales of biogas plants were compared to incineration: one large-scale biogas plant that can treat half of all OFMSW in Singapore; one medium-scale biogas pl...

The presented work studies the possibilities of using maize silage for biogas production in laboratory as well as in full-scale conditions. From the results of long-term operation of a mixed laboratory anaerobic reactor, it follows that processing of maize silage as a single substrate is an unstable process due to the low alkalinity of silage that has to be compensated by pH adjustment. Specifi...

Agricultural biogas plants based on energy crops gain more and more importance because of numerous energetic, environmental and agricultural benefits. In contrast to older biogas plants, the newest generation of biogas plants is equipped with modern ICA equipment and reliable machines/engines. In this paper, the authors present technical details and operational results of a modern full-scale ag...

abstract background: biogas is obtained by anaerobic decomposition of organic wastes buried materials used to produce electricity, heat and biofuels. biogas is at the second place for power generation after hydropower and in 2000 about 6% of the world power generation was allocated to biogas. biogas is composed of 40–45 vol% co2, 55–65 vol% ch4, and about 1% non-methanevocs, and non-methane vol...

Work was focused on possibilities of biogas production from a crude glycerol. This material is by-product of biodiesel production. In the work results of crude glycerol treatment in the laboratory mixed reactor and in the laboratory UASB reactors are described. Results from long-term co-digestion of maize silage and crude glycerol in full scale anaerobic reactor at biogas plant are also discuss...