6 documents found, page 1 of 1
Continuous-Flow Aerobic Granular Sludge Treatment of Dairy Wastewater
Silva, João F.; Silva, João R.; Santos, Andreia D.; Vicente, Carolina; Dries, Jan; Castro, Luís M.The authors conducted a study on treating synthetic dairy wastewater using aerobic granular sludge (AGS) in a laboratory-scale continuous flow reactor (CFR) system. The system consisted of an anaerobic reactor, an aerobic reactor, and a settling sedimentation tank, with different hydraulic retention times tested over a 90-day period. The study monitored sludge characteristics and effluent treatment performance ...
Role of endoscopic biopsies and morphologic features in predicting microsatelli...
Silva, João R.; Mascarenhas-Lemos, Luís; Neto do Nascimento, Catarina; Sousa Marques, Diogo; Wen, Xiaogang; Pinho, Lídia; Maio, Rui; Pontes, PatríciaEvaluation of mismatch repair (MMR) protein and microsatellite instability (MSI) status plays a pivotal role in the management of gastric cancer (GC) patients. In this study, we aimed to evaluate the accuracy of gastric endoscopic biopsies (EBs) in predicting MMR/MSI status and to uncover histopathologic features associated with MSI. A multicentric series of 140 GCs was collected retrospectively, in which EB an...
A biochemical methane potential of pig slurry
Santos, Andreia D.; Silva, João R.; Castro, Luís M.; Quinta-Ferreira, Rosa M.This study assesses the methane production potential for the Anaerobic Digestion of Pig Slurry, using two different Substrate to Inoculum Ratios, 0.65, and 1, and its comparison with the theoretical prediction. The Specific Biogas Production, the Specific Methane Production, and the average methane content were determined for both experiments and adjusted to Standard Temperature (273.15 K) and Pressure (1 atm)....
Kinetic prediction of biochemical methane potential of pig slurry
Santos, Andreia D.; Silva, João R.; Castro, Luís Miguel Moura Neves de; Quinta-Ferreira, Rosa M.Empirical Kinetic Models have been used to describe and establish the Anaerobic Digestion kinetics of pig slurry’s (8% TS) Biochemical Chemical Potential. A wide selection of Empirical Kinetic Models were fitted to the experimental data collected in batch assays of different Substrate to Inoculum ratios, 0.65 (BMP1) and 1 (BMP2). For the selection of the most suitable model for each BMP assay, the statistical t...
A Comparison of Biosolids Production and System Efficiency between Activated Sl...
Boavida-Dias, Rui; Silva, João R.; Santos, Andreia D.; Martins, Rui C.; Castro, Luís M. M. N.; Ferreira, Rosa M. QuintaDairy industry wastewater is rich in organic content, presenting a high biodegradability, and therefore biological treatments are widely employed. This study aimed to evaluate biosolids production in three systems: activated sludge (AS), movingbed biofilm reactor (MBBR), and sequencingbatch movingbed biofilm reactor (SBMBBR). Simulated dairy wastewater was used at different organic load rates (OLRs): 1.22, 2.87...
Removal of volatile organic compounds from Waste air stream of a furniture factory
Silva, João R.; Ascensão, Dânia S.; Castro, Luís M.In this paper, an alternative to the thermal oxidation of VOC in a gaseous effluent was studied, to lessen power consumption and mitigate the environmental impact of a furniture factory located in the north of Portugal. A gas–liquid absorption of n-butyl acetate in a packed-bed column of LECA was studied to achieve a VOC outlet in agreement with the Portuguese law for effluent discharge in the atmosphere. Studi...