Physical and chemical characterization of sewage sludge with different proportions of diatomaceous earth

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dc.creatorFabíola Mendes Braga
dc.creatorMario Henrique Cardoso Barbosa
dc.creatorEly Sandra Alves de Oliveira
dc.creatorIzabelle de Paula Sousa
dc.creatorClaudiana Barbosa dos Santos
dc.creatorRegynaldo Arruda Sampaio
dc.date.accessioned2022-06-13T15:48:39Z
dc.date.accessioned2025-09-09T00:02:21Z
dc.date.available2022-06-13T15:48:39Z
dc.date.issued2020
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.description.sponsorshipOutra Agência
dc.identifier.doihttps://doi.org/10.1590/0034-737X202067010011
dc.identifier.issn2177-3491
dc.identifier.urihttps://hdl.handle.net/1843/42463
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofRevista Ceres
dc.rightsAcesso Aberto
dc.subjectLodo de esgoto
dc.subjectDiatomito
dc.subjectMinhocas
dc.subjectBiocombustíveis
dc.subjectVermicompostagem
dc.subjectSolos - Fertilidade
dc.subject.otherbiosolid
dc.subject.otherresidue recycling
dc.subject.othersoil pollution
dc.titlePhysical and chemical characterization of sewage sludge with different proportions of diatomaceous earth
dc.typeArtigo de periódico
local.citation.epage85
local.citation.issue1
local.citation.spage81
local.citation.volume67
local.description.resumoThe use of residues for agricultural production is an alternative for the achievement of sustainability. When mixed with diatomaceous earth (DE) from biofuel filtration, sewage sludge (SS) plays an important role as soil conditioning agent. As a result, the objective of this work was to make a DE vermicompost at different proportions: 0; 7.53; 15.06; 22.59 and 30.12% v/v in relation to a SS pre-compost (PC) and gardening pruning residues. The experiment was carried out in 100-L containers in a randomized block design, with 5 treatments and 5 replications, in which Eisenia foetida earthworms were used in the pre-composting and vermicomposting processes. After four months, the physical characteristics of the vermicompost were analyzed. It was verified that the diatomaceous earth can be vermicomposted, even when soaked in biofuel oil, at amounts of up to 30.12% v/v, with no visible physical damage to earthworms and plants, and this proportion of DE reduced the concentration of nutrients, but improved the physical properties of the vermicompost, making it an excellent physical conditioner for use as a substrate of plants and fertilization of soils.
local.publisher.countryBrasil
local.publisher.departmentICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
local.publisher.initialsUFMG
local.url.externahttps://www.scielo.br/j/rceres/a/dNMGccmVN8KWsJ3rNDFGLvf/abstract/?lang=en

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