Anaerobic co-digestion of crude glycerin and starch industry effluent

Larsen, Andrea Christina; Gomes, Benedito Martins; Gomes, Simone Damasceno; Zenatti, Dilcemara Cristina; Torres, Douglas Guedes Batista

doi:10.1590/s0100-69162013000200013

Cited by 18 publications

(22 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Nuchdang and Phalakornkule (2012) registered that the efficiency of COD removal was rather stable, remaining above 80%, in the sample analyzed with glycerin associated with pig manure (80% glycerin and 20% of pig manure). Larsen et al (2013) ) proportion in the reactor (Larsen et al, 2013).…”

Section: Resultsmentioning

confidence: 99%

See 1 more Smart Citation

<b>Co-digestion of crude glycerin associated with cattle manure in biogas production in the State of Paraná, Brazil

et al. 2017

View full text Add to dashboard Cite

ABSTRACT. The addition of different concentrations of crude glycerin, associated with cattle manure, on the volumetric production of biogas is analyzed. Different concentrations of crude glycerin (2, 4 and 6% m m -1 ) were added as supplement in anaerobic co-digestion of dairy cattle waste, in laboratory batch biodigesters (3.5 L usable volume). The biodigesters were operated under mesophilic conditions (30ºC), with 30-day hydraulic retention time (HRT). Total solids (TS), volatile solids (VS) and chemical oxygen demand (COD) were analyzed to determine the efficiency of the process in the removal of organic matter and its effect on biogas production. The addition of 4% glycerin provided a larger production of biogas, approximately 9.307 mL. The efficiency in COD removal decreased in treatments with glycerin, with highest reduction (68%) in the control treatment. There was a 90 and 118% increase respectively for Gli4 and Gli6% treatments. VS reductions Gly 0, Gly 2, Gly 4 and Gly 6% treatments were 18.17, 61.60, 24.36 and 44.83%, for the respective treatments.Keywords: bio-digestion, cattle manure, biogas, crude glycerin, biodiesel.Avaliação da codigestão de glicerina associada a esterco bovino para produção de biogás no Estado do Paraná, Brasil RESUMO. O objetivo do trabalho foi avaliar o efeito da adição de diferentes concentrações de glicerina bruta associada com esterco bovino, sobre a produção volumétrica de biogás. A adição de diferentes concentrações de glicerina bruta (2, 4 e 6% m m -1 ) foi utilizada como suplemento na codigestão anaeróbia de dejetos bovinos de leite, em biodigestores laboratoriais de batelada (3,5 L de volume útil). Os biodigestores foram operados em condições mesofílicas (30ºC), com tempo de retenção hidráulica (TRH) de 30 dias. Foram analisados os sólidos totais (ST), sólidos voláteis (SV) e demanda química de oxigênio (DQO), a fim de determinar a eficiência do processo na remoção da matéria orgânica e seu efeito na produção de biogás. A adição de 4% de glicerina resultou na maior produção de biogás, cerca de 9,307 mL. A eficiência na remoção de DQO diminuiu nos tratamentos com adição de glicerina, sendo a maior redução no tratamento controle, de 68%. Nos demais tratamentos houve um aumento de 90 e 118% para os tratamentos Gli 4 e Gli 6% respectivamente. As reduções de SV para os tratamentos Gli 0, Gli 2, Gli 4 e Gli 6%, foram de 18,17, 61,60, 24,36 e de 44,83%, para os respectivos tratamentos.Palavras-chave: biodigestão, dejetos bovinos, biogás, glicerina bruta, biodiesel.

show abstract

Section: Resultsmentioning

confidence: 99%

“…Treatments with glycerin had lower ST reduction when compared to control (0% Gly) perhaps due to the viscous characteristic of the effluent from the cassava industry. In fact, the mere addition of 3% glycerin (m m -1 ) caused the clogging of the laboratory scale reactor feed system (Larsen et al 2013).…”

Section: Resultsmentioning

confidence: 99%

<b>Co-digestion of crude glycerin associated with cattle manure in biogas production in the State of Paraná, Brazil

et al. 2017

View full text Add to dashboard Cite

show abstract

“…In a co-digestion study of cassava wastewater with crude glycerin, Larsen et al (2013) achieved higher reductions of VS with temperature set at 26 °C and HRT of 4 and 5 days. The authors obtained reductions from 90.2 to 61.5% of VS with decrease in the process efficiency as glycerin doses increased, similar to that observed in our study with 5% crude glycerin addition.…”

Section: Resultsmentioning

confidence: 99%

“…Biodiesel is converted through transesterification reaction whereby crude glycerin is generated in approximately 10%. In addition, crude glycerin contains some impurities in its composition, such as water, methanol, and non-glycerol organic material, which gives it a low commercial value (Larsen et al, 2013).…”

Section: Introductionmentioning

confidence: 99%

Co-digestion of swine excreta associated with increasing levels of crude glycerin

et al. 2016

View full text Add to dashboard Cite

-The objective of this research was to evaluate the performance of anaerobic co-digestion of swine excreta associated with increasing doses of crude glycerin and different hydraulic retention times (HRT). A completely randomized design was adopted in a 3 × 4 factorial arrangement composed of three HRT (10, 17, and 24 days) and four crude glycerin doses (0, 5, 10, and 15 g/100 g of total solids [TS]), with four replications per treatment. The assessed parameters were: biogas production potential, reductions of volatile solids (VS), chemical oxygen demand (COD), and most probable number of total and thermotolerant coliforms. The biogas production per added VS presented quadratic effect at 17 and 24 days of HRT, with ideal doses of 5.5 and 5.9 g of crude glycerin/100 g TS, respectively. There was no difference among glycerin doses at 10-day HRT for VS reductions; however, at HRT of 17 and 24 days, there were differences, with greater reduction of 61.1% for 5 g of crude glycerin/100 g TS at 24-day HRT. The COD reduction values showed an effect among retention times, in which the 24-day HRT provided the best results. Reductions in coliforms were greater than 99%, with no difference among treatments. Addition of 5 to 6 g of crude glycerin/100 g TS with a 24-day HRT is more effective in biogas production and reduction of VS, COD, and coliforms from co-digestion of swine excreta.

show abstract

“…The anaerobic co-digestion of the poultry hatchery and wastewater ensure the production of renewable energy, given the degradation performed by the microorganisms (Larsen et al, 2013;Lijó et al, 2014), although studies on the process for obtaining renewable energy are still incipient.…”

Section: Introductionmentioning

confidence: 99%

Anaerobic co-digestion of hatchery waste and wastewater to produce energy and biofertilizer - Batch phase

Matter

Costa

et al. 2017

Rev. bras. eng. agríc. ambient.

View full text Add to dashboard Cite

A B S T R A C TAiming to evaluate different wastewaters in the anaerobic co-digestion (ACoD) of hatchery wastes, a batch test was conducted in bench horizontal digesters. At the end of the process, the potential production of biogas and methane was calculated as well as the chemical composition (macro-and micronutrients) of the effluent and the concentrations of methane and carbon dioxide gas at 60 days. The monitoring of the process included observations of the reduction of the organic carbon, chemical oxygen demand, and total (TS) and volatile solids (VS), as well as the variation of pH and electrical conductivity (EC). The results showed that the mixing between the hatchery fresh waste and swine wastewater (T 4 ) and among fresh hatchery waste, water from the first anaerobic pond of the hatchery and swine wastewater (T 5 ) represent significant sources of renewable energy and thereby greater potential for biogas production (192.50 and 205.0 L biogas per kg of VS added to T 4 and T 5 , respectively). The average concentration of methane in the biogas varied from 72 to 77% among the treatments. For all treatments, reductions were observed in TS and VS and increases in pH and EC. It was concluded that the energy recovery from hatchery wastes is favoured by the addition of swine wastewater in the ACoD process.Co-digestão anaeróbia de resíduos de incubatório e águas residuárias para produção de energia e biofertilizante -Fase batelada R E S U M O Visando avaliar diferentes águas residuárias na co-digestão anaeróbia de resíduos de incubatório foi realizado ensaio batelada conduzido em biodigestores horizontais de bancada. Ao final do processo foram determinados a produção e os potenciais de produção de biogás e de metano bem como a composição química (macro e micronutrientes) do efluente e a concentração de metano e gás carbônico aos 60 dias. O monitoramento do processo foi acompanhado pela redução de carbono orgânico, demanda química de oxigênio, sólidos totais e voláteis (ST e SV), além da variação do pH e da condutividade elétrica (CE). Os resultados obtidos revelaram que as misturas entre resíduo fresco de incubatório e água residuária de suinocultura -ARS (T 4 ) e resíduo fresco de incubatório + água da primeira lagoa anaeróbia do incubatório + ARS (T 5 ) apresentaram os melhores potenciais de produção de biogás (192,50 e 205,0 L biogás por kg de SV adicionados, respectivamente). Aos 60 dias a concentração média de metano variou de 72 a 77% entre os tratamentos. Para todas as situações avaliadas observou-se redução de ST e SV e aumento do pH e da CE. Concluiu-se que a recuperação de energia dos resíduos de incubatório é favorecida pela adição de ARS em co-digestão anaeróbia. Key words:biogas methane swine wastewater slaughterhouse wastewater Palavras-chave: biogás metano água residuária da suinocultura água residuária de frigorífico

show abstract

Anaerobic co-digestion of crude glycerin and starch industry effluent

Cited by 18 publications

References 16 publications

<b>Co-digestion of crude glycerin associated with cattle manure in biogas production in the State of Paraná, Brazil

<b>Co-digestion of crude glycerin associated with cattle manure in biogas production in the State of Paraná, Brazil

Co-digestion of swine excreta associated with increasing levels of crude glycerin

Anaerobic co-digestion of hatchery waste and wastewater to produce energy and biofertilizer - Batch phase

Contact Info

Product

Resources

About