Flow curves for 7 wt% waste activated sludge at various temperatures (80 - 145 ˚C).

This submission contains the raw rheometer files from flow curve measurements of waste activated sludge (total solids content = 7wt%). The sludge samples were measured at various elevated temperature conditions (80, 90, 100, 120, 130 and 145 °C). The flow curves were generated from the sludge sample first at room temperature, then periodically across 60 minutes at constant set point elevated temperature. After 60 minutes, the sample was allowed to cool down room temperature, and another flow curve was generated.<br>The measurements were carried out on a DHR-3 rheometer (TA-Instruments), equipped with a pressure cell geometry.<br>Measurement protocol summary:<br>1) Waste activated sludge samples loaded into pressure cell.2) Nitrogen gas used to purge air from pressure cell.3) Nitrogen gas used to pressurise pressure cell to 5 bar.4) Flow curve generated for sample at 25 °C. Flow curves were generated by presetting a decreasing logarithmic shear-rate sweep.5) Sample heated to desired set point (80 °C).6) Once reached, flow curves were generated periodically at constant temperature (80 °C) over a 60 minute period.7) Sample cooled down to 25 °C and final flow curve generated.8) Sample replaced and repeat at new desired temperature (80 - 140 °C).<br>Detailed experimental protocol is recorded in the .tri (TRIOS) file attached with each data set. This file can be read using the TRIOS software made available on TA-Instruments website (http://www.tainstruments.com/support/software-downloads-support/downloads/). Rheometer geometry dimensions and other details are also obtainable from these files.<br>Please contact authors for access to files.<br><br>Contact:<br><br>[e-mail]@gmail.com <br><br><br><br>Licence:<br>CC BY-NC