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Biodegradability enhancement and detoxification of cork processing wastewater m...
Santos, Diana; Silva, L.; Albuquerque, Antonio; Simoes, Rogerio; Gomes, ArlindoCork boiling wastewater pollutants were fractionated by sequential use of four ultrafiltration membranes and five fractions were obtained: four retentates (>100, 50-100, 20-50 and 10-20 kDa) and one permeate (<10 kDa); which were used to study the correlation of molecular size with biodegradability and toxicity before and after ozonation. The results show that molecular size is correlated with organic load and ...
Toxicity reduction and biodegradability enhancement of cork processing wastewat...
Gomes, Arlindo; Silva, L.; Simoes, Rogerio; Canto, N.; Albuquerque, AntonioBiodegradability enhancement and detoxification of cork boiling wastewater (CBW) are required for the successful implementation of biological treatment options. We studied the possibility of achieving these goals through ozonation pre-treatment by experimenting on the effect of ozone dose and pH. The CBW used had a pH of 5.81, a chemical oxygen demand (COD) of 1,865 mg L-1, a biochemical oxygen demand (BOD5) of...
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