Biocides Used as Additives to Biodiesels and Their Risks to the Environment and Public Health: A Review

Luz, Glécia Virgolino da Silva; Sousa, Breno Amadeus Sales Marinho de; Guedes, Adevilton V; Barreto, Cristine Chaves; Brasil, L. M.

doi:10.3390/molecules23102698

Cited by 21 publications

(11 citation statements)

References 48 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Biodiesel is different from petroleum fuels, and the properties of the two types of biodiesel used in this study are also different. Unlike the biofuel produced in laboratory, commercial biodiesel contains additives for controlling microbial contamination 61 . In addition, there were also differences in the physical properties of fuels, such as viscosity.…”

Section: Discussion Of Resultsmentioning

confidence: 99%

Ecotoxicity of soil contaminated with diesel fuel and biodiesel

Hawrot-Paw

Koniuszy

Zając

et al. 2020

Sci Rep

View full text Add to dashboard Cite

Fuels and their components accumulate in soil, and many soil organisms are exposed to this pollution. Compared to intensive research on the effect of conventional fuel on soil, very few studies have been conducted on soil ecotoxicity of biofuels. Considering the limited information available, the present study evaluated the changes caused by the presence of biodiesel and diesel fuel in soil. The reaction of higher plants and soil organisms (microbial communities and invertebrates) was analysed. Conventional diesel oil and two types of biodiesel (commercial and laboratory-made) were introduced into the soil. Two levels of contamination were applied—5 and 15% (w/w per dry matter of soil). The plate method was used to enumerate microorganisms from soil contaminated with biodiesel and diesel fuel. Phytotoxicity tests were conducted by a 3-day bioassay based on the seed germination and root growth of higher plant species (Sorghum saccharatum and Sinapis alba). Fourteen-day ecotoxicity tests on earthworm were performed using Eisenia fetida. Based on the results of the conducted tests it was found out that the organisms reacted to the presence of fuels in a diverse manner. As to the microorganisms, both the growth and reduction of their number were noted. The reaction depended on the group of microorganisms, type of fuel and dose of contamination. The lipolytic and amylolytic microorganisms as well as Pseudomonas fluorescens bacteria were particularly sensitive to the presence of fuels, especially biodiesel. Fuels, even at a high dose, stimulated the growth of fungi. Monocotyledonous sugar sorghum plants were more sensitive to the presence of fuels than dicotyledonous white mustard. There was also a significant negative impact of contamination level on plant growth and development. Biodiesel, to a greater extent than conventional fuel, adversely affected the survival and volume of earthworms.

show abstract

Section: Discussion Of Resultsmentioning

confidence: 99%

Ecotoxicity of soil contaminated with diesel fuel and biodiesel

Hawrot-Paw

Koniuszy

Zając

et al. 2020

Sci Rep

View full text Add to dashboard Cite

show abstract

“…The use of biocides is one of the important methods to control biological contamination ( Polo et al, 2010 ; de los Ríos et al, 2012 ). However, the abuse of biocides may cause microbes to develop drug resistance, and some biocides may cause harm to archeologists and the environment ( Kathiravan et al, 2012 ; Coutinho et al, 2016 ; Luz et al, 2018 ). Therefore, the concentration of biocides used at present should not be too high, and it is necessary to assist other physical methods to remove biodeterioration agent.…”

Section: Discussionmentioning

confidence: 99%

Fungal Community and Biodeterioration Analysis of Hull Wood and Its Storage Environment of the Nanhai No. 1 Shipwreck

et al. 2021

View full text Add to dashboard Cite

The Nanhai No. 1 shipwreck is a Chinese merchant ship in the Southern Song Dynasty, and now it is stored in a huge enclosed glass warehouse in Maritime Silk Road Museum in Guangdong Province. At present, the hull of the Nanhai No. 1 shipwreck is still being excavated, and a small part of the hull wood is soaked in a specific solution to desalt. Through long-term exploration, we found that the above two states of hull wood had undergone biodeterioration, so the purpose of this study is to analyze the fungal community of exposed and soaked wood from the Nanhai No. 1 shipwreck. We sampled 10 exposed hull wood and sea mud samples, two wood storage water samples, and air samples in the glass warehouse. We used scanning electron microscope and optical microscope to find that there were obvious fungal structures in exposed wood and wood storing water samples. High-throughput sequencing of fungi revealed that the most abundant genera in exposed and soaked wood were Fusarium sp., and Scedosporium sp., respectively. In addition, Fusarium solani and Scedosporium apiospermum were successfully isolated from the hull wood surface and wood storing water samples, and the degradation tests of lignin and cellulose, the sensitivity tests of biocides and growth curve assay were carried out. We also found that Penicillium sp. and Cladosporium sp. are the most abundant in the glass warehouse air. Our research results show that F. solani and S. apiospermum should be regarded as a major threat to the preservation of the Nanhai No. 1 shipwreck. These results provide a reference for our protection of shipwrecks and other similar artifacts.

show abstract

“…As principais funções de um aditivo estão associadas ao aumento da vida útil dos combustíveis e proteção dos elementos mecânicos dos veículos os quais mantenham contato. Logo, um aditivo eficaz deve apresentar uma boa estabilidade térmica 54 e à oxidação 46,55 , apresentar alto potencial energético para favorecimento da queima nos motores, miscibilidade adequada com os combustíveis e em alguns casos, ser um agente contra microrganismos que possam proliferar nos tanques dos veículos 56 . Atividades adicionais podem estar contidas em alguns produtos, como por exemplo, poder detergente para limpeza de resíduos no sistema de combustível 57 e ação dispersante de água 58 .…”

Section: Aditivos Para Combustíveisunclassified

Qualidade de Combustíveis e as Novas Políticas Ambientais

Faria¹,

Silva²,

Cavalcanti³

et al. 2021

Rev. Proc. Q.

View full text Add to dashboard Cite

Os combustíveis fósseis possuem origem não-renovável e são amplamente utilizados em todo o mundo, estando associados a uma grande parcela da emissão de gases poluentes na atmosfera terrestre. Existe uma demanda muito grande e crescente pela maior participação de fontes energéticas renováveis e menos poluentes na matriz energética mundial, sendo os biocombustíveis uma alternativa promissora e em crescente utilização no Brasil. A utilização de biocombustíveis em motores a combustão interna, apesar de favorecer a redução de poluentes, gera alguns problemas técnicos associados à sua menor estabilidade e suscetibilidade à degradação quando comparado a combustíveis fósseis. Como alternativa, aditivos podem ser aplicados de forma a garantir estabilidade e manutenção das propriedades físico-químicas dos biocombustíveis e suas misturas com combustíveis fósseis.

show abstract

Biocides Used as Additives to Biodiesels and Their Risks to the Environment and Public Health: A Review

Cited by 21 publications

References 48 publications

Ecotoxicity of soil contaminated with diesel fuel and biodiesel

Ecotoxicity of soil contaminated with diesel fuel and biodiesel

Fungal Community and Biodeterioration Analysis of Hull Wood and Its Storage Environment of the Nanhai No. 1 Shipwreck

Qualidade de Combustíveis e as Novas Políticas Ambientais

Contact Info

Product

Resources

About