Study on the generation and composition of household solid waste in Ciudad Valles, S.L.P.

Dulce Carolina Acosta-Pintor, Eleazar Vidal-Becerra, Cuitláhuac Mojica-Mesinas, Yuridia CÓRDOVA-OLGUÍN
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Abstract

The problem of the generation and composition of household Urban Solid Waste (RSU) in Ciudad Valles, San Luis Potosí was addressed. The information obtained could be used in making decisions about management and treatment for final disposal. To define the dwellings under study, the city was divided into socioeconomic strata with the support of the kmz tool, to visualize the Basic Geostatistical Areas (AGEB) according to the percentage of poverty. The generation of waste in the study area was determined through the NMX-AA61-1985 standard. For seven days, the selected dwellings were sampled, the quartering method was applied to the waste generated by means of the NMX-AA-15-1985 standard, and the samples were obtained for the physical-chemical analyses. The quantification of the by-products was carried out according to the NMX-AA-22-1985 standard. The organic fraction residues were the predominant in all the strata, being the medium marginalization stratum (EMM) the one that presented the highest percentage (49%). The physical-chemical characterization of the residues showed a moisture content of 52.48% and organic matter of 61.28%, results derived from the high composition of food residues that provide a higher percentage of water.
城市谷地生活垃圾的产生及组成研究
讨论了圣路易斯城山谷Potosí家庭城市固体废物的产生和组成问题。所获得的信息可用于制定管理和处理最终处置的决策。为了定义所研究的住宅,在kmz工具的支持下,将城市划分为社会经济阶层,根据贫困比例可视化基本地质统计区域(AGEB)。研究区废弃物产生量采用NMX-AA61-1985标准测定。对选定的住宅进行为期7天的采样,采用四分法对NMX-AA-15-1985标准产生的废弃物进行四分法处理,获得样品进行理化分析。副产物的定量按照NMX-AA-22-1985标准进行。有机组分残留物在各层中均占主导地位,其中中边缘层(EMM)所占比例最高(49%)。食品残渣理化特征表明,其水分含量为52.48%,有机质含量为61.28%,这是由于食品残渣中含有较高比例的水分。
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