scholarly journals Assessment of the Biogas Production Potential within the Slovak Spirits Industry

2021 ◽  
Vol 10 (1) ◽  
pp. 1-5
Author(s):  
Ondrej Beňuš ◽  
Peter Bielik ◽  
Natália Turčeková ◽  
Izabela Adamičková
Keyword(s):  
Slovak Republic ◽  
Biogas Production ◽  
Raw Materials ◽  
Heat Energy ◽  
Alcoholic Beverages ◽  
Distillation Process ◽  
Production Potential ◽  
Energy Potential ◽  
Positive Side ◽  
Ideal Situation

Abstract The Slovak spirits industry has a stable position within the alcoholic beverages industry in the Slovak Republic. However, its production process causes significant environmental stress on nature. The industry can use roughly only 10% of the raw materials. This means a significant amount of waste is produced during the distillation process. We investigated the biogas production potential within the Slovak distilleries producing spirits for final consumption when we compared the production of spirits between the years 2010 and 2019. Biogas production potential is calculated as an ideal situation when all spent wash from spirits producing distilleries is used for biogas production. The potential energy gain is also calculated in kWh based on the already available research in the field of biogas production. We conducted that the total biogas potential of the Slovak spirits industry could reach 15,886,053 kWh in terms of electricity and 22,946,177 kWh in terms of heat energy if we calculate energy potential according to the spirits production in the year 2019. The total combined energy potential generated during the reuse of waste from distilleries could reach 38,832,230 kWh. The biogas production in these facilities has also a positive side effect. If distilleries use the heat energy for the distillation process, the amount of greenhouse emissions will also be declining.

scholarly journals Verification of the Green Microalgae Biomass Use for Biogas Production

2019 ◽  
Vol 16 (1) ◽  
pp. 15-19
Author(s):  
Natalia Głowacka ◽  
Ján Gaduš
Keyword(s):  
Fossil Fuels ◽  
Slovak Republic ◽  
Anaerobic Fermentation ◽  
Biogas Production ◽  
Raw Material ◽  
Green Microalgae ◽  
Energy Potential ◽  
Research Results ◽  
Microalgae Biomass ◽  
The World

Abstract The article reviews the energy potential of microalgae as an alternative raw material for anaerobic digestion. Currently, energy security is one of the main topics among researchers. The amount of generated fossil fuels is limited, it is a question of time when fossil fuels will not continue to be accessible at low cost. There is a need to find an alternative carrier of energy which will replace the fossil fuels in the World. Green microalgae can be proposed as a possible bio raw-material, which can be used as an input material in order to produce energy. Lots of alternative technologies of algae cultivation are currently being developed all over the world. There is a necessity to search for a sensible way to produce algal biomass for bioenergy purposes, while maintaining all requirements involved in environmental and economic issues. The research results presented in the science article show that microalgae biomass is the proper alternative material for biogas production with the method of anaerobic fermentation. We believe that these research results can contribute to the future development of all forms of renewable energy in the Slovak Republic.

scholarly journals THERMAL ENERGY FROM BIOGAS GENERATED FROM CATTLE MANURE AND SEWAGE SLUDGE

2020 ◽  
Vol 4 (2) ◽  
pp. 1-8
Author(s):  
Beatriz Costalonga Vargas ◽  
Juliana Lobo Paes ◽  
Bernardo Marchon de Souza Antunes ◽  
João Paulo Barreto Cunha ◽  
Priscilla Tojado Dos Santos ◽  
...  
Keyword(s):  
Public Health ◽  
Sewage Sludge ◽  
Environmental Impact ◽  
Thermal Energy ◽  
Biogas Production ◽  
Supply System ◽  
Cattle Manure ◽  
Liquefied Petroleum Gas ◽  
Production Potential ◽  
Energy Potential

The major problems of public health, environmental impact, and energy dependence due to conventional fuels can be solved by using biogas from biodigesters. Therefore, the objective of this paper was to evaluate the energy potential of using biogas in the replacement of firewood and liquefied petroleum gas (LPG). For the biogas production, Indian model batch digesters were used in a batch supply system. Those were supplied with 100: 0, 75:25, 50:50, 25:75 and 0:100 sewage sludge: cattle manure (SS:CM). The calculation of the energy conversion was based on the accumulated biogas production, biogas production potential, the amount of waste produced by dairy cattle in a rural property and the equivalence of one cubic meter of gas with wood and LPG. In general, the adoption of biodigesters in rural properties to generate biogas for thermal energy consists of a viable and sustainable technology, regardless of the number of animals in the property. The use of sewage sludge antecipated biogas production, with the highest biogas production potential being 25:75 SS:CM. The financial savings obtained by the owner and /or community when installing a biodigester can be invested in the rural property. Therefore, it is concluded that there is a feasibility to replace firewood and LPG with biogas.

scholarly journals Evaluation of automated anaerobic fermentation processes as in the case of mould infected maize

2013 ◽  
pp. 81-86
Author(s):  
Györgyi Bíró ◽  
Lili Mézes ◽  
János Borbély ◽  
János Tamás
Keyword(s):  
High Efficiency ◽  
Anaerobic Fermentation ◽  
Biogas Production ◽  
Raw Materials ◽  
Continuous Production ◽  
Optimal Solution ◽  
Energy Utilization ◽  
Raw Material ◽  
Energy Potential ◽  
Cereal Products

In Hungary the renewable energy utilization is planned to achieve 13% by 2020. Biogas production is one of the fields with the largest energy potential. Achieving high efficiency during continuous production despite the mixed and variable composition of input materials is the most common problem which the newly built biogas plants using agricultural raw materials have to deal with. The first experimental reactors at the Department of Water and Environmental Management were built 12 years ago. Control and automation of the four separated bioreactors were executed with ADVANTECH GENIE 3.0 software which granted pre-programmed measurement and points of intervention for pH, temperature, CH4, CO2, H2S, and NH3. The system became out-of-data, therefore in 2010 it has been redesigned and tested. The system is controlled by Compair Proview SCADA (Supervisory Control and Data Acquisition) software running on Linux platforms. The Fusarium infection caused serious yield-losses in cereal production in 2010. In the case of cereal products, which non-utilizable as forage seems an optimal solution is utilizing as biogas raw material. The raw material was based on the Fusarium infected maize. In the recent publication infotechnological and technological experiences of the pilot test period are evaluated as well as direction of future development is defined.

scholarly journals The possibility of functioning micro-scale biogas plant in selected farm

2017 ◽  
Vol 35 (1) ◽  
pp. 19-25 ◽  
Author(s):  
Wojciech Czekała ◽  
Karolina Gawrych ◽  
Anna Smurzyńska ◽  
Jakub Mazurkiewicz ◽  
Artur Pawlisiak ◽  
...  
Keyword(s):  
Renewable Energy Sources ◽  
Electrical Power ◽  
Heat Energy ◽  
Biogas Plant ◽  
Environmental Benefits ◽  
Production Potential ◽  
Energy Potential ◽  
Methane Fermentation ◽  
Cogeneration System ◽  
Biogas Plants

AbstractRenewable energy sources (RES) become more and more popular. In Poland, biomass has the highest energy potential among all RES. Methane fermentation is one of possible ways to use it. The aim of the study was to perform energy and economic calculations for the biogas plant installation project in an existing farm situated in the Wielkopolska voivodeship. Because of the small area of the farm and the type of production, the calculations were carried out for micro-installation biogas plants. During the preparation of the project the production potential of the substrates was determined, allowing for further analyses. It was calculated that the electrical power of the designed biogas plant was 8.10 kW, with a total annual production of biogas at 29 471 m3. The obtained amount allows to generate in the cogeneration system 66 450 kWh of electricity and 71 190 kWh of heat energy. Some of the energy produced can be used on the farm and its surplus sold to the grid, which will allow for financial and environmental benefits.

scholarly journals Biogas and volatile fatty acid production during anaerobic digestion of straw, cellulose, and hemicellulose with analysis of microbial communities and functions

2020 ◽  
Author(s):  
Jie Liu ◽  
Xiaoyu Zuo ◽  
Ke Peng ◽  
Rui He
Keyword(s):  
Acetic Acid ◽  
Fatty Acid ◽  
Anaerobic Digestion ◽  
Volatile Fatty Acid ◽  
Biogas Production ◽  
Raw Materials ◽  
Methane Content ◽  
Production Potential ◽  
Aceticlastic Methanogenesis ◽  
Stable Stage

Abstract Background Anaerobic digestion (AD) is a promising method for straw treatment, but the complex composition and structure of straw limit AD efficiency and methane production. The main biodegradable components of straw are cellulose and hemicellulose. Because of the different chemical structures and physicochemical properties, the performance of AD of cellulose and hemicellulose is different, thus it’s also different from that of straw. Research on the similarities and differences of AD of straw, cellulose and hemicellulose is helpful to clarify the law of anaerobic digestion of straw and provide theoretical basis for further improving the efficiency of anaerobic digestion. However, there are very few studies on AD using cellulose and hemicellulose as raw materials. Results Rice straw (RS), cellulose, and hemicellulose were used as raw materials to study biogas production performance and changes in the volatile fatty acids (VFAs). Further, microbial communities and genetic functions were analyzed separately for each material. The biogas production potential of RS, cellulose, and hemicellulose was different, with cumulative biogas production of 620.64, 412.50, and 283.75 mL/g·VS− 1, respectively. The methane content of the biogas produced from cellulose and hemicellulose was approximately 10% higher than that produced from RS after the methane content stabilized. Biogas production and the methane content of RS stabilized more quickly than that of cellulose and hemicellulose. The accumulation of VFAs occurred in the early stage of anaerobic digestion in all the three materials, and the main volatile fatty acid component of RS was acetic acid, whereas that of cellulose and hemicellulose was propionic acid. The cumulative amount of VFAs in both cellulose and hemicellulose was relatively higher than that in RS, and the accumulation time was 12 and 14 days longer, respectively. When anaerobic digestion progressed to a stable stage, Clostridium was the dominant bacterial genus in all three AD systems, and the abundance of Ruminofilibacter was higher during anaerobic digestion of RS. Genetically, AD of all the three materials proceeded mainly via aceticlastic methanogenesis, with similar functional components. Conclusion The biogas and VFAs production during AD of RS, cellulose, and hemicellulose showed marked differences. But when the AD progressed to the stable stage, there was no significant difference in microbial community and genetic function. Specifically, the biogas production potential of cellulose and hemicellulose was greater than that of RS. The accumulation of VFAs in the three AD systems occurred in the early stages. The main component of VFA that accumulated in RS was acetic acid, while the major component of VFAs accumulated in cellulose and hemicellulose digestions was propionic acid. At the stable stage, Clostridium was the dominant bacterial genus in all three AD systems. The AD of all the three materials proceeded mainly via aceticlastic methanogenesis, with similar components of gene functions.

ANALYSIS FOR POTENCY AND PRODUCTION OF GRANULE ORGANIC FERTILIZER BASED ON MANURE

2018 ◽  
Vol 7 (2) ◽  
Author(s):  
Firman L. Sahwan
Keyword(s):  
Organic Material ◽  
Organic Materials ◽  
Raw Materials ◽  
Organic Fertilizer ◽  
Raw Material ◽  
Cow Manure ◽  
Production Potential ◽  
Natural Organic Material ◽  
Very High

Organic materials that are generally used as raw material for organic fertilizer granules (POG) is a natural organic material that has been degrade, smooth and dry. One of the main raw materials are always used with a very high percentage of usage, is manure. Manure potential in Indonesia is very high, amounting to 113.6 million tons per year, or 64.7 million tons per year to the island of Java. From this amount, it will be generated numbers POG production potential of 17.5 million tons per year (total Indonesia) or 9.9 million tons per year for the island of Java. While the realistic POG production predictions figures made from raw manure is 2.5 million tons annually, a figure that has been unable to meet the number requirement of POG greater than 4 million tons per year. Therefore, in producing POG, it should be to maximize the using of the potential of other organic materials so that the use of manure can be saved. With the use of a small amount of manure (maximum 30% for cow manure), it would be useful also to avoid the production of POG with high Fe content.keywods: organic material, manure, granule organic fertilizer

scholarly journals Biogas from Anaerobic Digestion as an Energy Vector: Current Upgrading Development

Energies ◽  
2021 ◽  
Vol 14 (10) ◽  
pp. 2742
Author(s):  
Raquel Iglesias ◽  
Raúl Muñoz ◽  
María Polanco ◽  
Israel Díaz ◽  
Ana Susmozas ◽  
...  
Keyword(s):  
Fossil Fuels ◽  
Business Models ◽  
Biogas Production ◽  
Raw Materials ◽  
Vector Current ◽  
Energy System ◽  
Transport Sector ◽  
Environmentally Sustainable ◽  
Legislative Framework ◽  
Materials Used

The present work reviews the role of biogas as advanced biofuel in the renewable energy system, summarizing the main raw materials used for biogas production and the most common technologies for biogas upgrading and delving into emerging biological methanation processes. In addition, it provides a description of current European legislative framework and the potential biomethane business models as well as the main biogas production issues to be addressed to fully deploy these upgrading technologies. Biomethane could be competitive due to negative or zero waste feedstock prices, and competitive to fossil fuels in the transport sector and power generation if upgrading technologies become cheaper and environmentally sustainable.

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