1. A method of recycling vulcanized rubber comprises the steps of:
providing a quantity of vulcanized rubber, a glycerol and hydrochloric acid solution, and a reactor;
grinding the quantity of vulcanized rubber from a macroscopic particle size to a smaller diameter;
filling the reactor with the glycerol and hydrochloric acid solution;
submerging the quantity of vulcanized rubber within the glycerol and hydrochloric acid solution in order to form a preparatory mixture;
decomposing the quantity of vulcanized rubber by simultaneously heating and agitating the preparatory mixture in order to chemically break sulfide bonds within the quantity of vulcanized rubber;
separating a solid residue from a decomposed preparatory mixture, wherein the decomposed preparatory mixture includes a smaller quantity of vulcanized rubber, a quantity of de-vulcanized rubber, and the glycerol and hydrochloric acid solution;
mixing an additional quantity of hydrochloric acid into the decomposed preparatory mixture within the reactor;
decomposing the smaller quantity of vulcanized rubber by simultaneously reheating and agitating the decomposed preparatory mixture in order to chemically break sulfide bonds within the smaller quantity of vulcanized rubber;
recovering a full quantity of de-vulcanized rubber from the reactor through a solid-liquid separation process;
2. The method of recycling vulcanized rubber, as claimed in claim 1, wherein the glycerol and hydrochloric acid solution comprises an initial volumetric ratio of glycerol to hydrochloric acid at 10:1 at standard temperature and pressure (STP).
3. The method of recycling vulcanized rubber, as claimed in claim 1, wherein the macroscopic particle size of the quantity of vulcanized rubber is reduced between 0.841 mm and 0.044 mm.
4. The method of recycling vulcanized rubber, as claimed in claim 1, wherein the preparatory mixture is heated between 150 and 200 degrees Celsius.
5. The method of recycling vulcanized rubber, as claimed in claim 1, wherein the additional quantity of hydrochloric acid is mass equivalent to a quantity of hydrochloric acid present in the glycerol and hydrochloric acid solution.
6. The method of recycling vulcanized rubber, as claimed in claim 1, wherein the decomposed preparatory mixture is reheated between 230 and 250 degrees Celsius.
7. The method of recycling vulcanized rubber, as claimed in claim 1, wherein the reclaimed rubber and the glycerol and hydrochloric acid solution is heated between 4 to 6 hours.
8. The method of recycling vulcanized rubber, as claimed in claim 1, the solid-liquid separation process is selected from a group consisting of: a centrifuging process, a decanting process, a membrane separation process or combinations thereof.
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 biological observation apparatus for performing surgical treatment, comprising:
an optical-image forming part for forming an optical image in which, by using a difference in an optical characteristic between an adipose layer and surrounding tissue of the adipose layer in a specific portion, a region including the adipose layer, which contains a greater number of nerves relative to the surrounding tissue, can be distinguished from a region including the surrounding tissue; and
a display portion that, based on the optical image formed by the optical-image forming part, displays distributions of the adipose layer and the surrounding tissue or a boundary therebetween in the optical image.
2. The biological observation apparatus according to claim 1, wherein the optical characteristic is a spectral characteristic.
3. The biological observation apparatus according to claim 1, wherein the optical-image forming part is provided with an irradiating portion that radiates illumination light onto a biological tissue and an imaging portion that, of reflected light reflected at the biological tissue due to the illumination light radiated by the irradiating portion, captures reflected light in a wavelength band in which an absorption characteristic of \u03b2-carotene is greater than an absorption characteristic of hemoglobin, thus acquiring a reflected-light image.
4. The biological observation apparatus according to claim 3, wherein the imaging portion captures reflected light in a wavelength band within a range from 450 to 500 nm.
5. The biological observation apparatus according to claim 3, wherein the imaging portion acquires a first reflected-light image and a second reflected-light image by capturing first reflected light based only on a first wavelength band within a range from 450 to 500 nm, where the absorption characteristic of \u03b2-carotene is greater than the absorption characteristic of hemoglobin, and second reflected light based only on a second wavelength band within a range from 500 to 600 nm, where the absorption characteristic of hemoglobin is greater than the absorption characteristic of \u03b2-carotene, by making a distinction between the two, and
the display portion displays a combined image formed by combining the first reflected-light image and the second reflected-light image by using different colors.
6. The biological observation apparatus according to claim 5, wherein the imaging portion acquires a third reflected-light image by capturing third reflected light based only on a third wavelength band within a range from 600 to 650 nm, where the absorption characteristic of \u03b2-carotene and the absorption characteristic of hemoglobin are both low, by making a distinction from the first reflected-light image and the second reflected-light image, and
the display portion displays a combined image formed by combining the first reflected-light image, the second reflected-light image, and the third reflected-light image by using different colors.
7. The biological observation apparatus according to claim 3, wherein the irradiating portion radiates illumination light based only on a wavelength band in which the absorption characteristic of \u03b2-carotene is greater than the absorption characteristic of hemoglobin.
8. The biological observation apparatus according to claim 5, wherein the irradiating portion separately radiates first illumination light based only on the first wavelength band and second illumination light based only on the second wavelength band.
9. The biological observation apparatus according to claim 6, wherein the irradiating portion separately radiates first illumination light based only on the first wavelength band, second illumination light based only on the second wavelength band, and third illumination light based only on the third wavelength band.
10. The biological observation apparatus according to claim 6, wherein the irradiating portion radiates illumination light in wavelength bands including the first wavelength band to the third wavelength band at the same time, and
the imaging portion is provided with a color CCD.
11. The biological observation apparatus according to claim 6, wherein the irradiating portion radiates illumination light in wavelength bands including from the first wavelength band to the third wavelength band at the same time, and
the imaging portion is provided with a spectroscopic part for spectrally separating reflected light from the biological tissue into reflected light in a first wavelength band, a second wavelength band, and a third wavelength band and three imaging devices that separately capture the reflected light in the first to third wavelength bands spectrally separated by the spectroscopic part.
12. The biological observation apparatus according to claim 3, further comprising:
a mode switching portion that can switch between a first observation mode for capturing reflected light based only on a wavelength band in which, in a blue wavelength band, the absorption characteristic of \u03b2-carotene is greater than the absorption characteristic of hemoglobin and a second observation mode for capturing reflected light in all wavelength bands from blue to red.
13. The biological observation apparatus according to claim 12, further comprising:
a magnification switching portion that can switch an observation magnification,
wherein the mode switching portion switches to the first observation mode when the magnification switching portion switches the observation magnification to a high magnification and to the second observation mode when the magnification switching portion switches the observation magnification to a low magnification.
14. A biological observation apparatus comprising:
an imaging portion that, when illumination light is radiated onto biological tissue in which surface tissue is distributed so as to cover underlying tissue, acquires a return-light image from return light from the biological tissue in a wavelength band in which an absorption characteristic of the surface tissue differs from an absorption characteristic of the underlying tissue; and
a display portion that displays an image in which a distribution of tissue structure at a surface of the biological tissue is shown based on the return-light image.
15. The biological observation apparatus according to claim 14, wherein the imaging portion acquires a return-light image in a wavelength band in which the absorption characteristic of the surface tissue is greater than the absorption characteristic of the underlying tissue.
16. The biological observation apparatus according to claim 14, wherein the imaging portion acquires a return-light image in a wavelength band in which the absorption characteristic of the surface tissue is less than the absorption characteristic of the underlying tissue.
17. The biological observation apparatus according to claim 14, wherein the display portion displays an image in which a distribution of the surface tissue is shown based on the return-light image.
18. The biological observation apparatus according to claim 14, wherein the display portion displays an image in which a distribution of the underlying tissue is shown based on the return-light image.
19. The biological observation apparatus according to claim 14, wherein one of the surface tissue and the underlying tissue is an adipose layer containing a nerve.
20. The biological observation apparatus according to claim 14, wherein the absorption characteristic of the surface tissue is the absorption characteristic of \u03b2-carotene.
21. The biological observation apparatus according to claim 14, wherein the absorption characteristic of the surface tissue is the absorption characteristic of hemoglobin.
22. The biological observation apparatus according to claim 14, wherein the wavelength band is a wavelength band in which the absorption characteristic of \u03b2-carotene is greater than the absorption characteristic of hemoglobin.
23. The biological observation apparatus according to claim 22, wherein the wavelength band is from 450 to 500 nm.
24. The biological observation apparatus according to claim 14, wherein the wavelength band is a wavelength band in which the absorption characteristic of \u03b2-carotene is less than the absorption characteristic of hemoglobin.
25. The biological observation apparatus according to claim 24, wherein the wavelength band is in a range from 500 to 600 nm.
26. The biological observation apparatus according to claim 14, wherein the return light is reflected light.