Scheda di dettaglio – i prodotti della ricerca
| Dato | Valore |
|---|---|
| Title | A continuous two-phase bioreactor for effective decontamination of industrial wastewater and valuable component recovery. |
| Abstract | Environmental concerns derived by tannery industry promoted research activities aimed at developing alternative methods in tanning process for a cleaner production and new strategies for enhancing wastewater treatment. Biological treatment of effluents produced by this manufacturing sector is challenging due to strong inhibition exerted by their constituents on the microbial communities. A continuous two-phase partitioning bioreactor (C-TPPB) has been tested for treating a synthetic leather tannery wastewater (consisting of 4-chlorophenol (4CP) and potassium dichromate as source of chromium) with the objective of achieving the effective removal of the organic load and complete chromium separation for subsequent recovery. No appreciable dichromate transfer was observed through the tubing walls, while gradual mass transfer of 4CP took place from the tubing to the bioreactor bulk phase. Therefore, toxic dichromate was not in contact with the cells while the transferred 4CP was effectively biodegraded. During biological testing, the influent organic concentration has been varied in the range of 1000-2500 mg L-1, while the chromium was fed at 100 mg L-1. The system achieved biological 4CP removal efficiencies of ~ 90% for the highest applied organic loads. |
| Source | World Water Congress & Exhibition of the International Water Association (IWA), Tokyo Japan, 16-21/09/2018 |
| Keywords | Continuous two-phase partitioning bioreactor; Polymeric tubing; Tannery wastewater; Organic fraction biodegradation; Chromium separation; Metal recovery |
| Year | 2018 |
| Type | Contributo in atti di convegno |
| Authors | M.C. Tomei, D. Mosca Angelucci, V. Stazi, A.J. Daugulis |
| Text | 396811 2018 Continuous two phase partitioning bioreactor; Polymeric tubing; Tannery wastewater; Organic fraction biodegradation; Chromium separation; Metal recovery A continuous two phase bioreactor for effective decontamination of industrial wastewater and valuable component recovery. M.C. Tomei, D. Mosca Angelucci, V. Stazi, A.J. Daugulis Water Research Institute, C.N.R., Via Salaria km 29.300, CP 10, 00015 Monterotondo Stazione Rome Italy. tomei@irsa.cnr.it; mosca@irsa.cnr.it; stazi@irsa.cnr.it Department of Chemical Engineering, Queen s University, Kingston Ontario Canada K7L 3N6 daugulis@queensu.ca Environmental concerns derived by tannery industry promoted research activities aimed at developing alternative methods in tanning process for a cleaner production and new strategies for enhancing wastewater treatment. Biological treatment of effluents produced by this manufacturing sector is challenging due to strong inhibition exerted by their constituents on the microbial communities. A continuous two phase partitioning bioreactor C TPPB has been tested for treating a synthetic leather tannery wastewater consisting of 4 chlorophenol 4CP and potassium dichromate as source of chromium with the objective of achieving the effective removal of the organic load and complete chromium separation for subsequent recovery. No appreciable dichromate transfer was observed through the tubing walls, while gradual mass transfer of 4CP took place from the tubing to the bioreactor bulk phase. Therefore, toxic dichromate was not in contact with the cells while the transferred 4CP was effectively biodegraded. During biological testing, the influent organic concentration has been varied in the range of 1000 2500 mg L 1, while the chromium was fed at 100 mg L 1. The system achieved biological 4CP removal efficiencies of 90% for the highest applied organic loads. Published version World Water Congress Exhibition of the International Water Association IWA Tokyo Japan 16 21/09/2018 Internazionale Contributo Contributo in atti di convegno domenica.moscaangelucci MOSCA ANGELUCCI DOMENICA STAZI VALENTINA mariaconcetta.tomei TOMEI MARIA CONCETTA TA.P07.002.005 Rimozione di composti xenobiotici da acque di scarico |