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首页> 外文期刊>Waste management & research >Three municipal solid waste gasification technologies analysis for electrical energy generation in Brazil
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Three municipal solid waste gasification technologies analysis for electrical energy generation in Brazil

机译：巴西用于发电的三种城市固体废物气化技术分析

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In Brazil, in 2016, 196,050 tonnes day(-1) of municipal solid waste (MSW) were collected, which means a waste generation of 1.035 kg per capita per day. Only 59.1% of the waste has adequate destination in sanitary landfills, whereas the remaining 40.9% has inadequate destination in controlled landfills and open dumps (ABRELPE, 2018). Among all the states in the country, the State of SAo Paulo has the biggest per capita generation: 2.290 kg. Today, the only waste destination practiced in the country is deposition in landfills, but other possibilities can be considered. Among thermal treatment routes, the gasification of MSW is an interesting alternative to be studied, because of its versatility and relatively low emissions. The aim of this work is to evaluate the potential of electricity generation through MSW gasification in Santo Andre city, Brazil, comparing three waste gasification technologies: TPS Termiska Processer AB, Carbogas and Energos. These alternatives have operated commercially for a few years, and data are available. Specific characteristics of each technology were taken into account, such as the reactor type and fuel properties. For the electricity production scheme, two energy conversion systems were assumed: an internal combustion engine and a steam power cycle. From the process parameters adopted, the results showed that Carbogas technology, coupled to internal combustion engines, presents the highest efficiency of electricity generation (30%) and also the lowest cost of electrical energy produced (US$65.22 MWh(-1)) when Santo Andre's gate fee is applied.
机译：在巴西，2016年每天收集196,050吨（-1）的城市固体废物（MSW），这意味着人均每天产生1.035千克废物。只有59.1％的废物在卫生垃圾填埋场有足够的目的地，而其余40.9％的垃圾在受控垃圾填埋场和露天垃圾场没有足够的目的地（ABRELPE，2018）。在该国所有州中，圣保罗州的人均产量最高：2.290公斤。今天，该国唯一的废物目的地是填埋场中的沉积物，但可以考虑其他可能性。在热处理路线中，MSW的气化是一种值得研究的有趣替代方法，因为它的多功能性和相对较低的排放量。这项工作的目的是通过比较三种废气气化技术：TPS Termiska Processer AB，Carbogas和Energos，来评估巴西圣安德烈市通过MSW气化发电的潜力。这些替代方案已经商业化运行了几年，并且有数据可用。考虑了每种技术的特定特性，例如反应堆类型和燃料特性。对于电力生产方案，假设了两个能量转换系统：一台内燃机和一个蒸汽动力循环。根据所采用的工艺参数，结果表明，与内燃机结合使用的Carbogas技术在Santo时表现出最高的发电效率（30％）和最低的发电成本（US $ 65.22 MWh（-1））。安德烈的入场费适用。

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