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Feasibility study on biogas energy production from a small-scale farm digester in Kazakhstan

机译：哈萨克斯坦一家小型农用沼气池生产沼气能源的可行性研究

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This paper assesses the technical, economic and environmental impact for the implementation of a small-scale anaerobic digestion system in an animal farm located in the Republic of Kazakhstan. All data for manure availability and local energy consumption was obtained from the model farm “Buranbayev Company” which is located in Uralsk, Kazakhstan. A Combined Heat and Power (CHP) system based on a reciprocating engine and heat recovery system was considered as the technology to operate with the biogas generated through a mesophilic anaerobic biodigester exporting power to the grid, which is currently the source of power and heating in the farm. The techno-economic study includes Feed-in-Tariff (FiT) and Entrepreneurship Development Fund “DAMU” loan subsidy, which are current governmental incentives in Kazakhstan. The small size farm biodigester is fed with manure from around 600 heads of cattle and runs a 100 kW genset unit. Results of the analysis demonstrate that DAMU subsidy positively influences the financial outcome of the project leading to an IRR of 38.3% on the equity investment. The model developed here may be easily used in the future by other local farmers in order to assess the economic and technical advantages of own power generation and its sales to the grid.
机译：本文评估了在哈萨克斯坦共和国的一个动物农场实施小型厌氧消化系统的技术，经济和环境影响。所有肥料利用率和当地能源消耗的数据均来自位于哈萨克斯坦乌拉尔斯克的模型农场“ Buranbayev Company”。基于往复式发动机和热回收系统的热电联产（CHP）系统被认为是通过中温厌氧生物消化器产生的沼气运行的技术，该沼气将电能输出到电网，目前是电网的电能和供热源。农场。技术经济研究包括上网电价补贴（FiT）和创业发展基金“ DAMU”贷款补贴，这是哈萨克斯坦目前的政府激励措施。小型农场生物消化池饲喂约600头牛的粪便，并运行100 kW发电机组。分析结果表明，DAMU补贴对项目的财务成果有积极影响，从而使股权投资的内部收益率达到38.3％。在这里开发的模型将来可能会被其他当地农民轻易地使用，以便评估自己发电和向电网销售的经济和技术优势。

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