Results 1 to 10 of about 61,439 (231)

Atividade microbiana como indicador de resposta ambiental em área de deposição de resíduo siderúrgico

open access: yesPesquisa Florestal Brasileira, 2022
O solo é um meio de propriedades complexas e dinâmicas e é resultante do efeito integrado do clima e dos organismos vivos, os quais agem sobre o material de origem, condicionado pelo relevo durante um certo período de tempo.
Tamyres Pereira de Souza   +5 more
doaj   +1 more source

Switchgrass and Giant Reed Energy Potential when Cultivated in Heavy Metals Contaminated Soils

open access: yesEnergies, 2022
The cultivation of energy crops on degraded soils contributes to reduce the risks associated with land use change, and the biomass may represent an additional revenue as a feedstock for bioenergy.
Leandro Gomes   +8 more
doaj   +1 more source

Bio-Based Sensors for Smart Food Packaging—Current Applications and Future Trends

open access: yesSensors, 2021
Intelligent food packaging is emerging as a novel technology, capable of monitoring the quality and safety of food during its shelf-life time. This technology makes use of indicators and sensors that are applied in the packaging and that detect changes ...
Carolina Rodrigues   +3 more
doaj   +1 more source

PIROLISIS BIOMASSA: REVIEW

open access: yesAgroindustrial Technology Journal, 2022
The exploitation of fossil energy causes non-renewable reserves to dwindle and causes global warming; climate change endangers living things. Energy sources from the second generation, namely lignocellulosic-based biomass, provide development opportunities, not interfere with food reserves, and are easy to cultivate.
Nur Aini Aini   +2 more
openaire   +2 more sources

Pegada de carbono da sinterização do porcelanato e potencial de mitigação de mudanças climáticas associado à substituição energética

open access: yesRevista Principia, 2023
A fabricação de porcelanato demanda uma quantidade elevada de eletricidade para abastecer os maquinários e também uma grande quantidade de calor para a sinterização, que usualmente emprega gás natural.
Alexandre Magno Vieira Gonçalves de Brito   +2 more
doaj   +1 more source

Lodo de esgoto como substrato para produção de mudas de Senna siamea Lam.

open access: yesRevista Brasileira de Engenharia Agrícola e Ambiental, 2021
Resumo O objetivo deste trabalho foi avaliar a viabilidade do uso de lodo de esgoto como componente do substrato para produção de mudas de Senna siamea Lam. Testaram-se as seguintes proporções de lodo com solo: 0% (T1), 25% (T2), 50% (T3), 75% (T4) e uma
Ronaldo Faustino   +3 more
doaj   +1 more source

An energy and environmentally sustainable alternative to family farmer: field day on rural biodigesters / Uma alternativa energética e ambientalmente sustentável ao agricultor familiar: dia de campo sobre biodigestores rurais

open access: yesDiversitas Journal, 2017
In the face of the growing brazilian energy problem and the increasing environmental requirements, this work is aimed at reporting and analyzing the use of the rural biodigester applied to the small family farmer. The aim of this work was the diffusion
Elton Lima Santos   +5 more
doaj   +1 more source

Polyurethane Foams for Thermal Insulation Uses Produced from Castor Oil and Crude Glycerol Biopolyols

open access: yesMolecules, 2017
Rigid polyurethane foams were synthesized using a renewable polyol from the simple physical mixture of castor oil and crude glycerol. The effect of the catalyst (DBTDL) content and blowing agents in the foams’ properties were evaluated.
Camila S. Carriço   +3 more
doaj   +1 more source

Effect of phenolic compounds and osmotic stress on the expression of penicillin biosynthetic genes from Penicillium chrysogenum var. halophenolicum strain

open access: yesJournal of Xenobiotics, 2012
Phenol and phenolic compounds are aromatic pollutants that inhibit biological treatment of wastewaters. Penicillium chrysogenum var. halophenolicum is a halotolerant fungus that previously showed the ability to degrade phenol and resorcinol in high ...
Sumaya Ferreira Guedes   +1 more
doaj   +1 more source

KARAKTERISTIK DAN AKTIVITAS ANTIBAKTERI ASAP CAIR DARI BIOMASSA KAYU PUTIH (MELALEUCA LEUCADENDRA) DAN KAYU JATI (TECTONA GRANDIS)

open access: yesJurnal Teknologi Pertanian, 2020
Penelitian ini bertujuan untuk mengetahui karakteristik serta aktivitas antibakteri asap cair yang berasal dari biomassa kayu putih (Melaleuca leucadendra) dan kayu jati (Tectona grandis).
Ria Suryani   +3 more
doaj   +1 more source

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