| Autor: |
Magalhães Filho, F. J. C., Gregio, L. G. F., de Azevedo, J. B., de Paiva, A. S., Guilherme, D. de O., Cereda, M. P. |
| Předmět: |
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| Zdroj: |
Desalination & Water Treatment; Sep2017, Vol. 91, p240-244, 5p |
| Abstrakt: |
Vinasse is a residual liquid obtained from the production of sugar and alcohol, which can be used in fertirrigation. However, if untreated, its use can pollute soil and water. The objective of this study was to evaluate a thermophilic (55°C) upflow anaerobic sludge blanket treating vinasse using a fixed bed with limestone as a buffer agent to avoid rapid acidification and the initial effect of applying the effluent to irrigate Brachiaria brizantha cv. Xaraés. Using treated vinasse generates biogas and effluent with lower pollutant loads that can be used in irrigation. This allows vinasse to be used in forage, for livestock food development and production systems. The inoculum (cattle manure) demanded 140 d to stabilize and the reactor had a chemical oxygen demand removal of 99% in the thermophilic range, and the gas production increased >40%. The use of raw vinasse did not significantly influence the vegetative development of Brachiaria brizantha cv. Xaraés. The treated vinasse benefited the growth after 40 d after sowing (“second cut”). [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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