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Anaerobic/Aerobic Biodegradation - Model Gas Endeavour - Biodegradability and Compostability Analyzer
Gas Endeavour® is a novel respirometer for both anaerobic and aerobic biodegradation analyses. For anaerobic biodegradability test, Gas Endeavour® provides efficient and accurate data analyses on biogas release in any aqueous medium, controlled slurry digestion system and high-solids anaerobic digestion condition. In case of aerobic biodegradability test, the Gas Endeavour® is intended be used together with our patented in-situ carbon dioxide absorption kit to function as a closed respirometer system for measuring oxygen demand. It is a powerful tool and analysis platform for both anaerobic and aerobic biodegradability / compostability analyses and support the most of important ISO, European and American standards for biodegradability evaluation.
Sample incubation unit with mechanical agitation
Maximum number of reactors per system: 15
Reactor material: Glass
Reactor volume: 500 ml (standard), 1000 ml (optional)
Dimension of unit: 57 x 34 x 27 cm
Temperature control: up to 95 oC (203 oF) (precision of 0.2 oC)
Mixing in the test reactor: Multifunctional agitation system with brushless DC motor for life-long operation. Remote speed and on/off control via Gas Endeavour software control interface. Manually adjustable direction and time interval, as well as timer function to set time periods for reversal. Modular design for low maintenance. Rotating speed range: 10-200 rpm.
Sample incubation unit with shaking
Maximum number of reactors per system: 15
Reactor material: Glass
Standard reactor volume: 250 ml
Dimension of unit: 57 x 34 x 27 cm
Dimension of tray insert: 44 x 26 x 7 cm
Temperature control: Up to 95 oC (203 oF) (precision of 0.2 oC)
Mixing: Shaking tray insert in the water bath, linear mode of shaking. Maximum speed up to 200 rpm, depending on load in bath. Manually adjustable shaking speed and on/off control present in the water bath.
Gas absorption unit
Gas absorption bottles: 15
Bottle material: glass
Bottle volume: 100 ml
Dimension of unit: 44 x 30 x 6 cm
Absorption liquid: Depending on gas to be removed. For CO2 removal: 3 M NaOH with pH indicator, 80 ml per bottle (not included)
Absorption efficiency: > 98% (CO2 removal with 3 M NaOH solution)
Flow cell array and DAQ unit
Working principle: Liquid displacement and buoyancy
Single gas measurement: Measurement for 15 test vessels in parallel
Double gas measurement (i.e. total gas and one specific gas component, such as methane): measurement for 7 test vessels in parallel
Measuring resolution: 9 ml or 2 ml
Detection capacity: Up to 2.5 l cumulative gas per channel for each batch test for 2 ml flow cell; up to 12 l cumulative gas per channel for each batch test for 9 ml flow cell
Measuring range for instant gas flow rate: 2 to 24 ml/min for 2 ml flow cell; 9 to 110 ml/min for 9 ml flow cell
Integrated data acquisition (maximum capacity 2 x 104 flow cell openings)
Built-in pressure and temperature sensor for real-time compensation
Dimension: 51 x 26 x 17 cm
Housing: aluminium and plastic
Repeatability: CV ≤ 1%
Software & System
User friendly web-based software running on an embedded server, with no need of pre-installation on your pc, tablet, or smartphone
On-line real-time gas flow and volume display
Automatic real-time pressure and temperature compensation
Real-time gas flow and volume normalisation
Algorithm to avoid over- or underestimation of gas flow and volume (that may be introduced by flush gas during experiment setup)
Possibility of multiplexing, allowing for simultaneous batch analysis at different start-up times
Online system logger for operational diagnosis
Power supply: 12 V DC / 5A (Flow cell array and DAQ unit), 24 V DC / 2.7A (mechanical agitation)
Usage: Indoor
Gas Endeavour® offers you:
- Modular design for flexible system set-up, easy upgrading options and maintenance
- Simultaneous measurement of gas volume, flow and gas composition in real-time
- Fully integrated and automated system for sampling, recording, and generating reports
- Flexible system configuration with two different measuring resolutions (2ml and 9 ml)
- User-friendly operation with remote access
- Stable, reliable operation
- Total control throughout the experiment