Steady state tracking desorption system and method
View Patent ↗A preferred embodiment steady state tracking desorption system achieves steady tracking of either a fixed sorbate output set point, or a set point that changes over time. The system includes an electrically heated thermal adsorption/desorption device A temperature sensor senses the temperature of an adsorbent material within the adsorption/desorption device. A sorbate sensor senses a sorbate level from an outlet of the adsorption/desorption device. A power sensor senses the power supplied by the desorption device. A controller interprets levels sensed by the temperature sensor, the sorbate sensor and the power sensor and provides a signal to achieve steady set point tracking of a sorbate level from the outlet of the adsorption/desorption device.
1. A steady state tracking desorption system, the system comprising:
an electrically heated thermal adsorption/desorption device;
a temperature sensor to sense the temperature of an adsorbent material within said adsorption/desorption device;
a sorbate sensor to sense a sorbate level from an outlet of said adsorption/desorption device;
a power sensor to sense the power supplied to said electrically heated thermal adsorption/desorption device; and
controller means responsive to said temperature sensor, said sorbate sensor, and said power sensor for controlling power supplied to said electrically heated thermal adsorption/desorption device to achieve steady state tracking of a sorbate level set point from said outlet of said adsorption desorption device.
2. The system of claim 1 , wherein said controller means comprises a controller running a proportional-integral-derivative control algorithm having inputs corresponding to levels determined by said temperature sensor, said sorbate sensor and said power sensor and an output corresponding to a power level to be supplied to said electrically heated thermal adsorption/desorption device.
3. The system of claim 1 , wherein said controller means is responsive to control power supplied to said electrically heated thermal adsorption/desorption device to achieve steady state tracking of a fixed sorbate level set point from said outlet of said adsorption/desorption device.
4. The system of claim 1 , wherein said controller means is responsive to control power supplied to said electrically heated thermal adsorption/desorption device to achieve steady state tracking of a changing sorbate level set point from said outlet of said adsorption/desorption device.
5. The system of claim 1 , wherein said electrically heated thermal adsorption/desorption device comprises an activated carbon fiber cloth cartridge that is heated through electrical resistance.
6. The system of claim 1 , wherein said electrically heated thermal adsorption/desorption device comprises an activated carbon fiber cloth cartridge that is heated through microwave energy.
7. A contaminant desorption and collection system comprising:
a steady state tracking desorption system according to claim 1 ;
a collection system receiving the output of said steady state tracking desorption system.
8. The system of claim 7 , wherein said collection system comprises a biofilter system.
9. A contaminant desorption and destruction system comprising:
a steady state tracking desorption system according to claim 1 ;
a destruction system receiving the output of said steady state tracking desorption system.
10. The system of claim 9 , said destruction system comprises an oxidizer system.
11. A steady state tracking desorption system, the system comprising:
an electrically heated thermal adsorption/desorption device;
a temperature sensor to sense the temperature of an adsorbent material within said adsorption/desorption device;
a sorbate sensor to sense a sorbate level from an outlet of said adsorption/desorption device;
a power sensor to sense power supplied by to said electrically heated thermal adsorption/desorption device; and
a feedback controller that interprets levels sensed by said temperature sensor, said sorbate sensor and said power sensor and provides a signal to control power supplied to said electrically heated thermal adsorption/desorption device to achieve steady set point tracking of a sorbate level from said outlet of said adsorption/desorption device.
12. The system of claim 11 , wherein said feedback controller comprises a controller running a proportional-integral-derivative control algorithm having inputs corresponding to levels determined by said temperature sensor, said sorbate sensor and said power sensor and an output corresponding to a power level to be supplied to said electrically heated thermal adsorption/desorption device.
13. The system of claim 11 , wherein said feedback controller is responsive to control power supplied to said electrically heated thermal adsorption/desorption device to achieve steady state tracking of a fixed sorbate level set point from said outlet of said adsorption/desorption device.
14. The system of claim 11 , wherein said feedback controller is responsive to control power supplied to said electrically heated thermal adsorption/desorption device to achieve steady state tracking of a changing sorbate level set point from said outlet of said adsorption/desorption device.
15. The system of claim 11 , wherein said electrically heated thermal adsorption/desorption device comprises an activated carbon fiber cloth cartridge that is heated through electrical resistance.
16. The system of claim 11 , wherein said electrically heated thermal adsorption/desorption device comprises an activated carbon fiber cloth cartridge that is heated through microwave energy.
17. A contaminant desorption and collection system comprising:
a steady state tracking desorption system according to claim 11 ;
a collection system receiving the output of said steady state tracking desorption system.
18. The system of claim 17 , wherein said collection system comprises a biofilter system.
19. A contaminant desorption and destruction system comprising:
a steady state tracking desorption system according to claim 11 ;
a destruction system receiving the output of said steady state tracking desorption system.
20. The system of claim 19 , said destruction system comprises an oxidizer system.