Application 1015
A remote controlled raft for treatment of surface water using rotating bed reactor technology

Time lapse video demonstrating a prototype vehicle capable of processing two cubic metres of coloured water within five minutes. The raft was carrying two rotating bed reactors that neutralized the basic surface water in a square pond by ion exchange.  Keywords: Cleantech, Ion exchange, Seamless scaleup, Technology

Application 1008
Activated carbon decolourization comparing rotating bed reactor and stirred tank reactor

Accelerated video showing the enhanced adsorption rates of methylene blue onto activated carbon using a rotating bed reactor (RBR) compared to a stirred tank reactor (STR). The RBR decolourized the solution almost twice as fast, did not create any visible fines and required no filtration.  Keywords: Activated carbon, Decolouration, Fast reaction, Organic molecules, Simple cleanup, Technology 

Application 1007
Automated semi-continuous batch processing system with rotating bed reactor

Video showing the principle of an automated rotating bed reactor system capable of filling a solution, neutralizing it by ion exchange and draining it. By microcomputer control, unattended semi-continuous batch processing was accomplished for many cycles until the ion exchanger was completely saturated.  Keywords: Automation, Ion exchange, Seamless scaleup, Technology

Application 1035
Column vs RBR

A performance comparison between a column (fixed bed reactor) and rotating bed reactor (RBR) for de-ionizing 1000 L of tap water. Using best-in-class standard protocols for both technologies, we tested which technology could de-ionize to a desired endpoint conductivity value the quickest. The result show that the RBR is significantly faster, reaching 3.7 times faster a conductivity level of 0.15 µS/cm compared to the column.  Keywords: Cleantech, Deionization, Fast reaction, Technology  

Application 9004
Treatment of Viscous Solutions – Simple Extraction and In-line Monitoring

Blue dye was removed from a highly viscous liquid using a SpinChem® RBR S2 in an EasyMax™ 102 Advanced Synthesis Workstation. Monitoring of the reaction was easily recorded as no freely suspended ion exchange resin beads or resin debris interfered with the readings. This demonstrates that the RBR technology is extremely well suited for in-line monitoring. The viscosity of the solution was determined to ca 230 cP at 25°C, showing that it is possible to absorb dye even from a highly viscous solution.  Keywords: Decolouration, Extraction, Ion exchange, Mettler-Toledo, Viscous solutions

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