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Processoepd.additionalLciaResults = Indicadores adicionais de impacto ambientalConjunto de dados: Production of biomethane_ LCCV (br) en

Informações sobre o conjunto de dados-chave
Localização GLO
Nome
Production of biomethane_ LCCV
Classificação
Nome da classe : Nível hierárquico
  • ILCDCategories: Materials production / Agricultural production means
Comentário geral sobre o conjunto de dados The maximum processing capacity of the processing unit = 30 tons of CCV (green coconut shell) / day, generating 20 m³ of LLCV (green coconut shell liquid), therefore, the inventory was calculated for processing 30 tons, producing 443m³ of biogas an 203,67 m³ biomethane and 13m³ of other gases . The LCCV has in its composition, fermentable sugars, phenolic compounds, cations (calcium, magnesium, potassium and sodium) and anions (chloride, bicarbonate and sulfate), besides high values of COD and BOD that indicate the need for adequate treatment for the wastewater generated in the process of green coconut shell processing (GCR). The LCCV is the result of pressing (by compression cylinders) after the coconut shell is crushed. The main emissions of this effluent, considering 30% production in relation to the initial amount of CCV are: BOD (12.36 g/L), COD (19.5±3.0 g/L), total tannins (1.785 ± 0.51g/L), total sugars (13.53g/ L), ammonia (0.225 g/L), nitrite (0.012 g/L), nitrate (0, 021 g/L), total phosphorus (0.039 g/L), total solids (15.59 ± 0.6 g/L), total inorganic solids (1.86 ±0.2 g/L), total volatile solids (14.73±0.5 g/L). The captured LCCV was processed in the Biomass Laboratory at Embrapa Agroindustry Tropical, using a pilot-scale UASB (Upflow Anaerobic Sludge Blanket) reactor built with PVC pipes, with a working volume of 16.8 L, height of 1.95 m, and internal diameter of 0.1 m. In the biomethane production process, from 20 m3 of LCCV, nutrients considered necessary for greater efficiency of production were added to the reactor. The nutrients added were ammonium chloride (13.4 kg), dipotassium phosphate (12Kg) ammonium sulfate (4.8kg) calcium chloride dihydrate (0.5 kg), iron dichloride tetrahydrate (0.096 kg), boric acid (0.002 kg), zinc chloride (0.002 kg), copper chloride dihydrate (0, 002 kg), manganese (ii) chloride tetrahydrate (0.0024 kg) ammonium molybdate tetrahydrate (0.002 kg), aluminum chloride hexahydrate (0.004 kg), cobalt chloride hexahydrate (0.0096 kg), sodium hydroxide (10 kg), ammonia (10kg). The process of obtaining biogas from 20m3 of LCCV emits 310 m3 of methane, 120 m3 of carbon dioxide, 13 m3 of other gases and 0.072 m3 of total sludge solids. A UASB reactor, operated at an organic loading rate of 10 kg COD (chemical oxygen demand) / m3, a hydraulic retention time of 156 h, can remove 80% of the COD and 78% of the total tannins from CCV producing 19.4m3 of biomethane per cubic meter of CCV per day. The total amount of energy spent to process 20 m3 of LCCV was 618.1 kWh
Direitos autorais Não
Referência quantitativa
Fluxo(s) de referência
Representatividade tecnológica
Método LCI e alocação
Tipo de conjunto de dados Unit process, single operation
Fontes de dados, tratamento e representatividade
Integralidade
Completude do modelo do produto No statement
Declarações de conformidade
Conformidade
Nome do sistema de conformidade
Aprovação da conformidade geral
Fully compliant
Conformidade da nomenclatura
Conformidade metodológica
Revisar a conformidade
Documentação de conformidade
Conformidade de qualidade
Conformidade
Nome do sistema de conformidade
Aprovação da conformidade geral
Not compliant
Conformidade da nomenclatura
Conformidade metodológica
Revisar a conformidade
Documentação de conformidade
Conformidade de qualidade
Comissário e objetivo
Comissário do conjunto de dados
Entrada de dados por
Carimbo de tempo (último gravado) 2021-12-23T07:51:19.152-02:00
Formato(s) do(s) conjunto(s) de dados
Publicação e propriedade
UUID e71c9d22-8e18-4fdd-b92d-80d11c0a97a3
Data da última revisão 2020-09-22T08:42:45.741Z
Versão do conjunto de dados 01.00.000
Conjunto de dados permanente URI ../processes/e71c9d22-8e18-4fdd-b92d-80d11c0a97a3.xml
Direitos autorais Não

Entradas

Tipo de fluxo Classificação Fluxo Valor médio Valor resultante Montante mínimo Montante máximo
Product flow
Materials production / Inorganic chemicals 10.0 kg10.0 kg
Comentário geral (2,3,4,3,2,na)
Product flow
Materials production / Inorganic chemicals 13.4 kg13.4 kg
Comentário geral (2,3,4,3,2,na)
Product flow
Materials production / Inorganic chemicals 0.5 kg0.5 kg
Comentário geral (2,3,4,3,2,na)
Product flow
Materials production / Inorganic chemicals 0.002 kg0.002 kg
Comentário geral (2,3,4,3,2,na)
Product flow
Materials production / Inorganic chemicals 10.0 kg10.0 kg
Comentário geral (2,3,4,3,2,na)
Product flow
Materials production / Inorganic chemicals 4.8 kg4.8 kg
Comentário geral (2,3,4,3,2,na)
Product flow
Materials production / Agricultural production means 12108.8 kg12108.8 kg
Comentário geral (2,3,4,3,2,na)
Product flow
Energy carriers and technologies / Electricity 2225.16 MJ2225.16 MJ
Comentário geral (2,3,4,3,2,na)

Saídas

Tipo de fluxo Classificação Fluxo Valor médio Valor resultante Montante mínimo Montante máximo
Product flow
Materials production / Agricultural production means 203.67 kg203.67 kg
Comentário geral This Inventory was composed of secondary data based on the following documents: Anaerobic treatment of coconut husk liquor for biogas production - Leitão et al 2009
Waste flow
End-of-life treatment / Other end-of-life services 11.79 m311.79 m3
Comentário geral (2,3,4,3,2,na)
Elementary flow
Emissions / Emissions to air / Emissions to lower stratosphere and upper troposphere 237.6 kg237.6 kg
Comentário geral (2,3,4,3,2,na)