阿拉格斯半干旱地区城市固体废物的产生和重量组成

José Rayan Eraldo Souza Araújo, João Henrique Barbosa da Silva, Mateus Costa Batista, Khyson Gomes Abreu, Érico dos Anjos Dantas, Lucas Firmino da Silva Medeiros, Diego Alves Monteiro da Silva, João Vitor Santa Maria Magalhães, João Paulo de Oliveira Santos
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引用次数: 0

摘要

近几十年来,主要由于人口和城市地区的增加,城市固体废物(MSW)的产生显著增长。因此,有必要了解这些材料的数量和组成,特别是在对这种废物的管理仍然不足的小城市。在这个意义上,本研究的目的是分析固体城市废物的生产和它的重量测量在阿拉戈斯州sert的八个城市。作为数据来源,使用了阿拉戈斯州-塞奥地区的国家固体废物计划和巴西地理与统计研究所的经济信息。采用主成分分析(PCA)。这些城市的特点是城市人口少,人均国内生产总值低。观察到城市生活垃圾日生成量的高变异性,有机部分占主导地位,其次是塑料。另一方面,观察到金属的百分比很低(<5%)。ACP解释了前两个轴上数据原始方差的69.2%,并证明了经济方面与残差的重量组成之间存在很强的相关性。鉴于研究区域的残留物中存在大量有机物质,应鼓励采取行动利用和适当处置这些部分,例如堆肥。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
GERAÇÃO E COMPOSIÇÃO GRAVIMÉTRICA DE RESÍDUOS SÓLIDOS URBANOS EM MUNICÍPIOS DO SEMIÁRIDO DE ALAGOAS
The generation of solid urban waste (MSW) has grown significantly in recent decades, mainly due to the increase in population and urban areas. Thus, it is necessary to know the quantity and composition of these materials, especially in small municipalities, where the management of this waste is still deficient. In this sense, the present study aims to analyze the production of solid urban waste and its gravimetry in eight municipalities in the sertão of Alagoas. As a source of data, the State Solid Waste Plan of the State of Alagoas - Sertão Region and economic information from the Brazilian Institute of Geography and Statistics were used. A Principal Component Analysis (PCA) was employed. The municipalities were characterized by a low urban population and low GDP per capita values. High variability was observed for the daily generation of MSW, with the predominance of the organic fraction, followed by plastic. On the other hand, low percentages of metals (<5%) were observed. The ACP explained 69.2% of the original variance of the data in the first two axes and evidenced the strong association between economic aspects and the gravimetric composition of the residues. In view of the large amount of organic material present in the residues of the study area, actions for the use and proper disposal of this fraction, such as composting, should be encouraged.
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