Evaluation of toxic potential of leachate originating from experimental landfill cells containing household waste and healthcare waste

被引：11

作者：

Costa, Alyne Moraes ^{[1
]}

Machado da Costa e Silva, Carlos Augusto ^{[2
]}

Alves Daflon, Sarah Dario ^{[1
]}

Quintaes, Bianca Ramalho ^{[2
]}

Ferreira, Joao Alberto ^{[3
]}

Campos, Juacyara Carbonelli ^{[1
]}

机构：

[1] Univ Fed Rio de Janeiro, Sch Chem, 149 Athos Silveira Ramos Ave, BR-21941909 Rio De Janeiro, Brazil

[2] Municipal Co Urban Cleaning Rio De Janeiro, COMLURB, Rio De Janeiro, Brazil

[3] Univ Estado Rio De Janeiro, UERJ, Rio De Janeiro, Brazil

来源：

WASTE MANAGEMENT & RESEARCH | 2019年 / 37卷 / 10期

关键词：

Acute ecotoxicity; Aliivibrio fischeri; Danio rerio; landfill leachate; pollutants and principal component analysis; MUNICIPAL SOLID-WASTE; TOXICOLOGICAL EVALUATION; MANAGEMENT; BIOASSAYS; BATTERY; BRAZIL;

D O I：

10.1177/0734242X19843159

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Two experimental cells with household solid waste and healthcare solid waste were monitored in order to evaluate the pollution potential, and its toxicity effects corresponding to the chemical substances present in the leachates generated, correlating the physico-chemical composition with the ecotoxicity results (organisms Aliivibrio fischeri and Danio rerio). From the statistical evaluation of the physico-chemical analysis results, leachate generated in the household solid waste cell presented greater or equal values than to the healthcare solid waste cell, except for the turbidity parameter. The ecotoxicity results showed the same behaviour as that obtained with the physico-chemical analysis. A significant positive correlation was verified between chemical oxygen demand, alkalinity and ammonia nitrogen parameters with the leachate toxicity. This study concluded that healthcare solid waste presented less or equal polluting potential compared with household solid waste, and the co-disposal can be considered a viable alternative in sanitary landfills.

引用

页码：1003 / 1011

页数：9

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