1. A method comprising:
providing collection apparatus functionalized with a synthetic material comprising a plurality of molecules having a functional group configured to collect mineral particles of interest to the surface of the collection apparatus; and
causing the collection apparatus to contact with tailings having the mineral particles of interest, including the tailings from a flotation process.
2. The method according to claim 1, wherein the functional group comprises an ion for bonding the mineral particles of interest to the molecules.
3. The method according to claim 2, wherein the functional group comprises one or more ions in carboxylic, sulfates, sulfonates, xanthates, dithiophosphates, thionocarboamates, thioureas, xanthogens, monothiophosphates, hydroquinones and polyamines.
4. The method according to claim 2, wherein the synthetic material is selected from a group consisting of polyamides, polyesters, polyurethanes, phenol-formaldehyde, urea-formaldehyde, melamine-formaldehyde, polyacetal, polyethylene, polyisobutylene, polyacrylonitrile, poly(vinyl chloride), polystyrene, poly(methyl methacrylates), poly(vinyl acetate), poly(vinylidene chloride), polyisoprene, polybutadiene, polyacrylates, poly(carbonate), phenolic resin, and polydimethylsiloxane.
5. The method according to claim 1, wherein the functional group is configured to render the surface of the collection apparatus hydrophobic.
6. The method according to claim 5, wherein the synthetic material is selected from a group consisting of polystyrene, poly(d,l-lactide), poly(dimethylsiloxane), polypropylene, polyacrylic, polyethylene, hydrophobically-modified ethyl hydroxyethyl cellulose polysiloxanates, alkylsilane and fluoroalkylsilane.
7. The apparatus according to claim 6, wherein the mineral particles of interest have one or more hydrophobic molecular segments attached thereon.
8. The method according to claim 7, further comprising:
providing collector molecules in the tailings, each collector molecule comprising a first end and a second end, the first end comprising the functional group configured to attach to the mineral particles of interest, the second end comprising a hydrophobic molecular segment.
9. The method according to claim 8, wherein the collector molecules comprise xanthates.
10. The apparatus according to claim 5, wherein the synthetic material comprise a siloxane derivative.
11. The apparatus according to claim 5, wherein the synthetic material comprise polysiloxanates or hydroxyl-terminated polydimethylsiloxanes.
12. The method according to claim 1, wherein the method comprises discharging the tailings to a discharge area, and causing the collection apparatus to contact with the tailings before the tailings are discharged.
13. The method according to claim 1, wherein the method comprises discharging the tailings to a discharge area, and causing the collection apparatus to contact with the tailings after the tailings are discharged.
14. The method according to claim 1, wherein the collection apparatus comprises a plurality of passage ways, wherein the passage ways comprise collection surfaces configured with the synthetic material, said method further comprising:
causing at least part of the tailings to move through the passage ways so as to allow the mineral particles of interest to contact with the molecules on the collection surfaces in the passage ways.
15. The method according to claim 14, wherein the passage ways comprise a plurality of fibers for providing the collection surfaces.
16. The method according to claim 1, wherein the collection apparatus comprises a collection plate having a collection surface configured with the synthetic material, said method further comprising:
causing at least part of the tailings to move over the collection plate so as to allow the mineral particles of interest to contact with the molecules on the collection surface.
17. The method according to claim 1, wherein the collection apparatus comprises a plurality of solid-phase bodies for providing collection surfaces configured with the synthetic material.
18. The method according to claim 1, wherein the collection apparatus is configured to contact the tailings over a period of time for providing an enriched collection surface containing the mineral particles, said method further comprising:
separating the collection apparatus from the tailings; and
releasing the mineral particles of interest from the enriched collection surface.
19. The method according to claim 17, wherein said releasing comprises contacting the enriched collection surface with a liquid having a pH value ranging from 0 to 7.
20. The method according to claim 17, wherein said releasing comprises at least partially submerging the enriched collection surface in a liquid and applying ultrasound waves in the liquid for providing ultrasonic agitation over the enriched collection surface.
21. A system, comprising:
a collection processor configured to receive tailings of a flotation process, the tailings having mineral particles of interest;
at least one collection apparatus located in the collection processor, the collection apparatus comprising a collection surface configured with a functionalized polymer comprising a plurality of molecules having a functional group configured to attract the mineral particles of interest to the collection surface.
22. The system according to claim 21, wherein the functional group comprises an ionizing bond for bonding the mineral particles of interest to the molecules.
23. The system according to claim 22, wherein the synthetic material is selected from a group consisting of polyamides, polyesters, polyurethanes, phenol-formaldehyde, urea-formaldehyde, melamine-formaldehyde, polyacetal, polyethylene, polyisobutylene, polyacrylonitrile, poly(vinyl chloride), polystyrene, poly(methyl methacrylates), poly(vinyl acetate), poly(vinylidene chloride), polyisoprene, polybutadiene, polyacrylates, poly(carbonate), phenolic resin, and polydimethylsiloxane.
24. The system according to claim 21, wherein the functional group is configured to render the collection area hydrophobic.
25. The system according to claim 24, wherein the synthetic material is selected from a group consisting of polystyrene, poly(d,l-lactide), poly(dimethylsiloxane), polypropylene, polyacrylic, polyethylene, hydrophobically-modified ethyl hydroxyethyl cellulose polysiloxanates, alkylsilane and fluoroalkylsilane.
26. The system according to claim 24, wherein the mineral particles of interest have one or more hydrophobic molecular segments attached thereon, and the tailings have a plurality of molecules, each collector molecule comprising a first end and a second end, the first end comprising the functional group configured to attach to the mineral particles of interest, the second end comprising a hydrophobic molecular segment.
27. The system according to claim 24, wherein the synthetic material comprise a siloxane derivative.
28. The system according to claim 24, wherein the synthetic material comprise polysiloxanates or hydroxyl-terminated polydimethylsiloxanes.
29. The system according to claim 21, wherein the collection surface is configured to contact the tailings over a period of time for providing an enriched collection surface in the collection apparatus, containing the mineral particles of interest, said system further comprising:
a release processor configured to receive the collection apparatus having the enriched collection surface, the release processor further configured to provide a release medium for releasing the mineral particles of interest from the enriched collection surface.
30. The system according to claim 29, wherein said release medium comprises a liquid configured to contact with the enriched collection surface, the liquid having a pH value ranging from 0 to 7.
31. The system according to claim 29, wherein said release medium comprises a liquid configured to contact with the enriched collection surface, said system further comprising:
an ultrasound source configured to apply ultrasound waves to the enriched collection area for releasing the mineral particles of interest from the enriched collection surface.
32. The system according to claim 21, where a part of the collection surface is configured to have the molecules attached thereto, wherein the molecules comprise collectors.
33. The system according to claim 32, where another part of the collection surface is configured to be hydrophobic.
34. The system according to claim 21, where a part of the collection surface is configured to be hydrophobic.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A display device, comprising:
a first sensor data line extending in a row direction and configured to transmit a first sensing signal, according to a touch to a first output unit, via a first sensing switching element;
a second sensor data line extending in a column direction and configured to transmit a second sensing signal, according to a touch to a second output unit, via a second sensing switching element;
a first reset switching element connected between the first sensor data line and a reset voltage;
a second reset switching element connected between the second sensor data line and the reset voltage,
wherein the first sensing switching element and the second reset switching element are simultaneously turned on during a first period, and
wherein the second sensing switching element and the first reset switching element are simultaneously turned on during a second period,
wherein the first output unit comprises:
a first amplifier including a first inversion terminal and a first output terminal;
a first capacitor connected between the first inversion terminal and the first output terminal of the first amplifier; and
a third reset switching element connected in parallel to the first capacitor, and
wherein the second output unit comprises:
a second amplifier including a second inversion terminal and a second output terminal;
a second capacitor connected between the second inversion terminal and the second output terminal of the second amplifier; and
a fourth reset switching element connected in parallel to the second capacitor,
wherein the first sensor switching element and the third reset switching element are simultaneously turned off during a third period between the first period and the second period, and the first output voltage is processed during the third period, and
wherein the second sensor switching element and the fourth reset switching element are simultaneously turned off during a fourth period between the second period and the first period, and the second output voltage is processed during the fourth period.
2. The display device of claim 1, further comprising:
a reference capacitor disposed between the first sensor data line and the second sensor data line;
a first variable capacitor connected to a first terminal of the reference capacitor in series and having a variable capacitance according to the touch; and
a second variable capacitor connected to a second terminal of the reference capacitor in series and having a variable capacitance according to the touch.
3. The display device of claim 2, wherein,
the first output unit generates a first output voltage by integrating the first sensing signal during the first period, and
the second output unit generates a second output voltage by integrating the second sensing signal during the second period.
4. The display device of claim 3, wherein,
the third reset switching element is turned on during the second period to initialize the first output terminal to a reference voltage, and
the fourth reset switching element is turned on during the first period to initialize the second output terminal to the reference voltage.
5. The display device of claim 1, wherein,
the first output unit generates a first output voltage by integrating the first sensing signal during the first period, and
the second output unit generates a second output voltage by integrating the second sensing signal during the second period.
6. The display device of claim 1, wherein,
the third reset switching element is turned on during the second period to initialize the first output terminal to a reference voltage, and
the fourth reset switching element is turned on during the first period to initialize the second output terminal to the reference voltage.