2001
DOI: 10.1006/enrs.2000.4118
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Biological Treatment of Wastewater from the Cassava Meal Industry

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Cited by 28 publications
(12 citation statements)
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“…Nos estudos das absorções na região do UV (espectrofotômetros UV-VIS Beckman DU-70 e Hitachi UV-2000), utilizaram-se filtrações prévias para a retirada dos resíduos que não decantaram. As soluções de polieletrólitos naturais foram preparadas a partir da polpa do cactus Cereus peruvianus 8 na concentração de 100 mg L -1 . Na extração dos polieletrólitos, optou-se pelo método aquoso, que consistiu na eliminação dos espinhos sob a ação do fogo, descascando e retirando as partes polposas e, a seguir, cortadas em cubos, sendo então maceradas e extraídas as partes mucilaginosas 1,7 .…”
Section: Coagulantes E Auxiliares De Floculação/coagulaçãounclassified
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“…Nos estudos das absorções na região do UV (espectrofotômetros UV-VIS Beckman DU-70 e Hitachi UV-2000), utilizaram-se filtrações prévias para a retirada dos resíduos que não decantaram. As soluções de polieletrólitos naturais foram preparadas a partir da polpa do cactus Cereus peruvianus 8 na concentração de 100 mg L -1 . Na extração dos polieletrólitos, optou-se pelo método aquoso, que consistiu na eliminação dos espinhos sob a ação do fogo, descascando e retirando as partes polposas e, a seguir, cortadas em cubos, sendo então maceradas e extraídas as partes mucilaginosas 1,7 .…”
Section: Coagulantes E Auxiliares De Floculação/coagulaçãounclassified
“…Apesar da possibilidade de floculação e coagulação somente com os sais de alumínio ou ferro, existem casos em que é necessário o uso de auxiliares de floculação e coagulação. Como auxiliares, os mais usados são os polieletrólitos naturais ou sintéti-cos 8 .…”
Section: Introductionunclassified
“…Moreover, this wastewater presents a high C/N ratio and few macro-and micronutrients, suggesting it could be supplementedwith macro -and microelements for use as a feedstock for biobased production processes. 5 Some studies have reported the use of cassava starch as a carbon source supplemented with trace elements for the production of biohydrogen, 6,[8][9][10][11][12] but no papers on long-term biohydrogen production using supplemented cassava wastewater as a substrate have been found. To our knowledge, there has been only one work reporting the production of H 2 from industry-derived cassava wastewater; 6 that study assessed the effects of the number of cycles per day, COD loading rate, and COD/N ratio on biological production of H 2 from cassava wastewater.…”
Section: Introductionmentioning
confidence: 99%
“…[2][3][4] Brazil is the third-largest producer of cassava, whose industrialization for the production of starch generates a large amount of wastewater (5-7 liters wastewater/kg cassava root). [5][6][7] This wastewater has a high chemical oxygen demand, or COD (6 280 to 51 200 mg/L) and biochemical oxygen demand, or BOD (1 400 to 34 300 mg/L), which renders such wastewater a significant pollutant. Moreover, this wastewater presents a high C/N ratio and few macro-and micronutrients, suggesting it could be supplementedwith macro -and microelements for use as a feedstock for biobased production processes.…”
Section: Introductionmentioning
confidence: 99%
“…Dagaut et al [16] investigated the oxidation of HCN in a fused silica jet-stirred reactor. Oliveira et al [17] studied biological treatment of cassava meal processing wastewaters by aerobic and combined anaerobic/aerobic reactors and achieved a yield of 95±99 % for the cyanide removal.…”
Section: Introductionmentioning
confidence: 99%