UABioConf 2016 - S2/25 - Oosterkamp (Eng)
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The document discusses various approaches to anaerobic mono-digestion of swine manure for biogas production. It describes several demonstration and commercial-scale facilities in the Netherlands from 1988-1994 that struggled with technical and economic challenges. More recent approaches studied include using carriers to develop biofilms, separation of urine and feces in new stables, and co-digesting manure with other substrates. Testing of different reactor designs like upflow, sequential batch and induced blanket reactors showed varying specific methane yields. The document concludes that mono-digestion of swine manure is only economic with subsidies, while co-digestion with other materials can improve yields and economics.
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This document discusses opportunities for harvesting by-products of grain corn for energy production in Ukraine. It provides statistics on global and Ukrainian corn production and yield increases over time. Various technologies are presented for harvesting corn residues like cobs, stalks and leaves either as part of combine harvesting or with additional equipment. The economic energy potential of corn by-products in Ukraine is estimated to be in the tens of millions of metric tons of coal equivalent. Methods of using corn residues for applications like fodder, fertilizer, biofuels and biogas are outlined. Cost analyses are given for nutrient value and ash content of corn residues harvested through different techniques.
UABioConf 2016 - S3/33 - Kukharets (Eng)
This document discusses various bioenergy systems in agriculture including:
1. Modular biogas equipment designs with rotating reactors that produce biogas from agricultural waste for heat, electricity, and fertilizer.
2. Technologies for producing fuel pellets and briquettes from biomass like straw to be used for heating.
3. Boiler systems that can be fueled by biomass like straw or wood rolls to provide heat for buildings, with some boilers achieving a payback period of one heating season.
4. Methods for generating electricity directly from biogas using generators or by first producing a combustible gas from biomass.
UABioConf 2016 - S3/32 - Dubiel (Eng)
The document analyzes the use of a Stirling engine in a cogeneration system based on biomass gasification. It compares a reference CHP system using a piston engine to an advanced system including a Stirling engine. The systems are modeled and their electrical output, heat output, efficiency, and economic viability in terms of net present value ratio are calculated for different operating temperatures of the Stirling engine and two types of heat consumers. The results show that the Stirling engine can improve system performance and profitability, especially for lower gas cooling degrees and industrial heat consumers.
UABioConf 2016 - S3/31 - Skorek-Osikowska (Eng)
This document analyzes the operation of a combined heat and power (CHP) unit integrated with biomass gasification, a Stirling engine, and heat storage. The system was modeled and two cases were analyzed: case A with constant chemical energy input and variable heat and power outputs, and case B with constant 10 kW electric output and variable chemical energy input. Results showed the electric power, useful heat outputs, and overall efficiencies varied based on the Stirling engine exhaust gas cooling temperature difference. Further analysis of heat storage optimization could improve the economic performance of integrating different systems.
UABioConf 2016 - S1/17 - Oliinyk (Eng)
This document analyzes the biomass boiler market in Ukraine from 2012-2015 and provides forecasts through 2030. It examines the production and consumption of biomass boilers, including their geographical distribution, export and import volumes, and installed capacity in the municipal sector. Methodologies are described for analyzing technical indicators, heat generation sources, modeling costs, and segmentation of biomass boiler consumers. Forecasts suggest continued development and introduction of biomass boilers in the municipal sector through 2030.
UABioConf 2016 - S1/22 - Kava (Eng)
1) The study evaluated the potential of using Miscanthus x giganteus for phytoremediation and biomass production on contaminated military land in Ukraine.
2) Testing found that despite high metal concentrations in the soil, M. x giganteus growth was not inhibited and metal translocation to above-ground parts was low.
3) The results indicate M. x giganteus can effectively remediate contaminated soils while producing biomass, providing an economically viable approach to restoring military lands.
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留信网认证的作用:
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2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
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- 1. Progress in anaerobic mono-digestion of swine manure W.J. Oosterkamp • .
- 2. Pro-mest 1988 - 1994 • Demonstration facility 0.1 million m3/a (10 million €) • Full scale facility 0.6 million m3/a (45 million €) • Farmers organisations feared legislation to reduce the number of swines
- 3. Promest bankrupt in 1994 • Technical problems • Plant never reached full capacity • Farmers had lower cost options for disposal of swine manure
- 5. Ecoson • Processing capacity 0.1 million m3/a • Investment 11 million Euros • Gate fee 15 €/m3 manure
- 6. Ecoson fire
- 7. Swine manure with straw pellets • Methane yield 0.25 m3 /kg • Generator efficiency 4.0 kWe/m3 • Pellet price 0.085 €/kg • Substrate price 0.085 €/kWe • Income 0.128 €/kWe • Lower pellet price required • Higher methane yield • Fertiliser value of straw 0.025 €/kg
- 8. New stable: Separation urine and faeces • .
- 9. Microferm Sterksel Continuously stirred tank reactor • .
- 10. Crossflow filter + 30 % more solids • .
- 11. Biofilms I Archeae and Microbes • .
- 12. Biofilms II • .
- 14. Carrier material biofilm foulum (DK) plant • .
- 15. Test at foulum (DK) • . • . • . • . • Control (CSTR) Thermophilic 20 days 2 - 8 m3/m3 • Specific methane yield 0.33 m3/(m3.d)
- 16. Upflow reactor
- 17. UDR II • .
- 18. Biofilm attachement to floating materials • Straw • Heavy manure particles • Zeolite • Magnesium phosphate compounds
- 20. Phases of sequential batch reactor • .
- 21. SBR • .
- 23. Langenwetzendorf anaerobic digestion plant attached to swine farm • .
- 25. Summary • Specific methane production • Ecoson 0.4 m3 /(m3 .d) • Modern stable + Maize silage 1.2 m3 /(m3 .d) • Microferm 0.8 m3 /(m3 .d) • UDR 0.6 m3 /(m3 .d) • Mg-P 0.14 m3 /(m3 .d) • SBR 0.7 m3 /(m3 .d) • Langenwetzendorf 1.6 m3 /(m3 .d)
- 26. Conclusions • Mono-digestion of swine manure is only economic with a gate fee and simplified clean-up of thin fraction of effluent. • Pelletising of dried effluent was not successful • Sequential batch reactor need to be demonstrated at pilot plant scale • Simplified induced blanket reactor need to be tested with swine manure. • Anaerobic digestion of combinations of manures is economic with the addition of iron compounds
- 27. Literature W.J. Oosterkamp 2017 “Progress in anaerobic digestion of manures” submitted for publication in Majid Hosseini ed. “Handbook of Biotechnology for Renewable Fuels, elsevier New York USA W.J. Oosterkamp 2016 “Chicken manure digestion” accepted for publication in Current Biochemical Engineering
- 28. Questions • .
- 29. Freshness • .