2014
DOI: 10.17221/1/2013-rae
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Decomposition of the biodiesel by-product, crude glycerol, in soil

Abstract: Dalias P., Polycarpou P., 2014. Decomposition of the biodiesel by-product, crude glycerol, in soil. Res. Agr. Eng., 60: 17-23.The disposal of crude glycerol, the biodiesel by-product, may become an economic or environmental problem in cases where no trading of this material is possible. This study aimed at evaluating the decomposability in soil of the unpurified glycerol fraction taken after the transesterification of oil using sodium hydroxide as a catalyst. The immediate effect of glycerol incorporation was … Show more

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Cited by 8 publications
(8 citation statements)
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“…It has been estimated that more than two million tons of glycerol consistently reach the market every year, special attention in the scientific community has been given so the search to look for glycerol application (Betancourt et al 2016). Some research was carried out to assess the use of glycerol in soils (Dalias and Polycarpou 2014).…”
Section: Introductionmentioning
confidence: 99%
“…It has been estimated that more than two million tons of glycerol consistently reach the market every year, special attention in the scientific community has been given so the search to look for glycerol application (Betancourt et al 2016). Some research was carried out to assess the use of glycerol in soils (Dalias and Polycarpou 2014).…”
Section: Introductionmentioning
confidence: 99%
“…Assim, mediante as diretrizes impostas pela PNPB, destaca-se a importância de discutir e apresentar essa problemática, sobretudo, para contribuir em relação à saúde coletiva, pois, o descarte indevido desse resíduo ou mesmo sua aplicação nas indústrias químicas ou alimentícias pode vir a comprometê-la (QUISPE; CORONADO; CARVALHO JR, 2013;ARAÚJO et al, 2013;DALIAS;POLYCARPOU, 2014;OLIVEIRA et al, 2011;CUBAS et al, 2010;FDA, 2006;MANTOVANI;NOGUEIRA, 2009). Caso incinerado, por exemplo, o glicerol libera uma substância de caráter cancerígeno, a acroleína (BATISTA, 2007).…”
Section: Introductionunclassified
“…Entretanto, nos processos produtivos há a geração de efluentes e resíduos (PINTO et al, 2005). Assim, fenômenos que parecem ter sido desconsiderados pelas diretrizes impostas pelo Poder Público recaem sobre, por exemplo, a destinação dos resíduos gerados no processo de produção do biodiesel, em especial, o glicerol (CONIGLIO et al, 2014;DALIAS, POLYCARPOU, 2014;DASARI et al, 2005;QUISPE;CORONADO;CARVALHO JR, 2013;D'AUREA, 2010).…”
Section: De Acordo Comunclassified
“…O custo desse processo é elevado apesar não envolver tecnologias complexas (SANDERSON, 2013;DALIAS;POLYCARPOU, 2014). Consequentemente, o excesso de oferta é fato, devido às impurezas, baixos serão os seus preços no mercado (ARANTES, 2015).…”
Section: De Acordo Comunclassified
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