Method for preparing chlorine adsorption material for use in waste incineration and application of chlorine adsorption material

Abstract

The invention discloses a method for preparing a chlorine adsorption material for use in waste incineration and application of the chlorine adsorption material. The chlorine adsorption material adsorptive for chlorine-based substances during the waste incineration is prepared by mixing raw materials which include natural iron ores and quartz stones, and modifying the iron ores and the quartz stones with CaO through an ultrasonic impregnation method. The prepared chlorine adsorption material has a large pore size, a high porosity and a stable structure, and shows higher adsorption efficiency and adsorption capacity for the chlorine-based substances during the waste incineration. The use of the low-cost natural iron ores and quartz stones can reduce the cost in processing the chlorine-based substances, make great use of resources and facilitate environment protection.

Claims

1. A method for preparing a chlorine adsorption material for use in waste incineration, wherein the chlorine adsorption material adsorptive for chlorine-based substances is prepared by mixing natural iron ores and quartz stones, and then adding CaO to a mixed system to modify the natural iron ores and the quartz stones through ultrasonic impregnation; and the method specifically comprises the following Steps: (1) preparing iron ore powder, to be specific: putting the natural iron ores into a grinder and grinding the natural iron ores, and then sieving the ground natural iron ores to obtain the iron ore powder with a particle size of 0.2-0.3 mm; (2) preparing SiO.sub.2, to be specific: placing the quartz stones in a tablet press to press the quartz stones into powder, then drying and dehydrating the resulting powder, and then sieving the dried powder through a 60-100-mesh sieve to obtain SiO.sub.2 powder; (3) preparing a SiO.sub.2Fe.sub.2O.sub.3 carrier, to be specific: with a chemical vapor deposition method, placing the SiO.sub.2 powder prepared in Step (2) in a quartz tube of a chemical vapor deposition device, then weighing the iron ore powder prepared in Step (1) at a ratio of 1:1.7-2.7 of the SiO.sub.2 powder to the iron ore powder, and placing the weighed iron ore powder in a sublimator of the chemical vapor deposition device, wherein the quartz tube is vertically arranged opposite to and communicated with the sublimator, and the quartz tube is internally provided with a platform for the placement of the SiO.sub.2 powder; introducing air into the quartz tube which is kept at a vacuum degree of 0.08 MPa, so that the SiO.sub.2 powder is in a fluidized state; then, heating the quartz tube to 200 C. to remove water in the SiO.sub.2 powder and holding for 2-3 h; heating the quartz tube to 400 C. and holding; then, introducing nitrogen into the sublimator and regulating the temperature within the sublimator to 110 C.; after the iron ore powder sublimates completely, regulating the temperature of the sublimator to 400 C., so as to form a reaction chamber by the sublimator and the quartz tube and allow the SiO.sub.2 powder in the fluidized state to be fully mixed with the sublimated iron ore powder; holding the reaction chamber at 400 C. for 2 h, to allow iron and an iron compound on the carrier formed from the SiO.sub.2 powder and the iron ore powder to be completely oxidized, then cooling the carrier to room temperature, drying the carrier at the room temperature and grinding the carrier into powder; and finally, placing the powder in a tubular furnace, heating to 400 C. at a rate of 3 C.min.sup.1 and holding for 1-2h, thereby obtaining the SiO.sub.2Fe.sub.2O.sub.3 carrier; (4) preparing a solution with Ca(NO.sub.3).sub.2.4H.sub.2O as a precursor at a solid-to-liquid ratio of 0.4-1.2 Kg/L; (5) adding the solution prepared in Step (4) to a water tank of an ultrasonic cleaner, and then adding the SiO.sub.2Fe.sub.2O.sub.3 carrier prepared in Step (3) to the water tank for ultrasonic mixing for 6-9 hours; and (6) calcining the SiO.sub.2Fe.sub.2O.sub.3 carrier treated in Step (5) at a temperature of 900 C. to remove NO.sub.x on surface attachments thereof and prepare CaO; modifying the SiO.sub.2Fe.sub.2O.sub.3 carrier by CaO; then, cooling the modified SiO.sub.2Fe.sub.2O.sub.3 carrier to room temperature; grinding the cooled SiO.sub.2Fe.sub.2O.sub.3 carrier to a particle size of 0.1-0.2 mm, thereby obtaining the chlorine adsorption material.

2. The method for preparing the chlorine adsorption material for use in the waste incineration according to claim 1, wherein the chlorine-based substances at least comprise hydrogen chloride and chlorobenzene.

3. The method for preparing the chlorine adsorption material for use in the waste incineration according to claim 1, wherein the components and parts thereof added in Steps (1), (2) and (4) are as follows: 52 to 67 parts of the natural iron ores; 25 to 30 parts of the quartz stones; and 0.03 to 0.05 parts of Ca(NO.sub.3).sub.2.4H.sub.2O.

4. The method for preparing the chlorine adsorption material for use in the waste incineration according to claim 1, wherein the flow rate of the air introduced into the quartz tube in Step (3) is 80 mL/min.

5. The method for preparing the chlorine adsorption material for use in the waste incineration according to claim 1, wherein Ca(NO.sub.3).sub.2.4H.sub.2O in Step (4) has a purity of more than 99.9%, and a particle size of less than 5 m.

6. The method for preparing the chlorine adsorption material for use in the waste incineration according to claim 1, wherein the ultrasonic cleaner in Step (5) maintains the temperature of the water tank at 90 C. during operating.

7. The method for preparing the chlorine adsorption material for use in the waste incineration according to claim 1, wherein the ultrasonic cleaner in Step (5) has an operating frequency of 40,000 Hz and an operating power of 100 W.

8. An application of the chlorine adsorption material prepared by the method for preparing the chlorine adsorption material for use in the waste incineration according to claim 1, wherein the prepared chlorine adsorption material is applied to adsorption of the chlorine-based substances during the waste incineration.

9. An application of the chlorine adsorption material prepared by the method for preparing the chlorine adsorption material for use in the waste incineration according to claim 2, wherein the prepared chlorine adsorption material is applied to adsorption of the chlorine-based substances during the waste incineration.

10. An application of the chlorine adsorption material prepared by the method for preparing the chlorine adsorption material for use in the waste incineration according to claim 3, wherein the prepared chlorine adsorption material is applied to adsorption of the chlorine-based substances during the waste incineration.

11. An application of the chlorine adsorption material prepared by the method for preparing the chlorine adsorption material for use in the waste incineration according to claim 4, wherein the prepared chlorine adsorption material is applied to adsorption of the chlorine-based substances during the waste incineration.

12. An application of the chlorine adsorption material prepared by the method for preparing the chlorine adsorption material for use in the waste incineration according to claim 5, wherein the prepared chlorine adsorption material is applied to adsorption of the chlorine-based substances during the waste incineration.

13. An application of the chlorine adsorption material prepared by the method for preparing the chlorine adsorption material for use in the waste incineration according to claim 6, wherein the prepared chlorine adsorption material is applied to adsorption of the chlorine-based substances during the waste incineration.

Description

DETAILED DESCRIPTION OF THE INVENTION

(1) The invention provides a the chlorine adsorption material is prepared by mixing raw materials which include natural iron ores and quartz stones, and modifying the iron ores and the quartz stones with CaO through ultrasonic impregnation; the resulting chlorine adsorption material has a large pore size, a high porosity and a stable structure, shows higher adsorption efficiency and adsorption capacity for the chlorine-based substances during the waste incineration, and is also reusable; and in addition, the use of the low-cost natural iron ores and quartz stones can reduce the cost in processing the chlorine-based substances, make great use of resources and facilitate environment protection.

(2) A method for preparing a chlorine adsorption material for use in waste incineration specifically includes the following Steps: (1) preparing iron ore powder, to be specific: putting the natural iron ores into a grinder and grinding the natural iron ores, and then sieving the ground natural iron ores to obtain the iron ore powder with a particle size of 0.2-0.3 mm; (2) preparing SiO.sub.2, to be specific: placing the quartz stones in a tablet press to press the quartz stones into powder, then drying and dehydrating the resulting powder, and then sieving the dried powder through a 60-100-mesh sieve to obtain SiO.sub.2 powder; (3) preparing a SiO.sub.2Fe.sub.2O.sub.3 carrier, to be specific: with a chemical vapor deposition method, placing the SiO.sub.2 powder prepared in Step (2) in a quartz tube of a chemical vapor deposition device, then weighing the iron ore powder prepared in Step (1) at a ratio of 1:1.7-2.7 of the SiO.sub.2 powder to the iron ore powder, and placing the weighed iron ore powder in a sublimator of the chemical vapor deposition device, wherein the quartz tube is vertically arranged opposite to and communicated with the sublimator, and the quartz tube is internally provided with a platform for the placement of the SiO.sub.2 powder; introducing air into the quartz tube which is kept at a vacuum degree of 0.08 MPa, so that the SiO.sub.2 powder is in a fluidized state; then, heating the quartz tube to 200 C. to remove water in the SiO.sub.2 powder and holding for 2-3 h; heating the quartz tube to 400 C. and holding; then, introducing nitrogen into the sublimator and regulating the temperature within the sublimator to 110 C.; after the iron ore powder sublimates completely, regulating the temperature of the sublimator to 400 C., so as to form a reaction chamber by the sublimator and the quartz tube and allow the SiO.sub.2 powder in the fluidized state to be fully mixed with the sublimated iron ore powder; holding the reaction chamber at 400 C. for 2 h, to allow iron and an iron compound on the carrier formed from the SiO.sub.2 powder and the iron ore powder to be completely oxidized, then cooling the carrier to room temperature, drying the carrier at the room temperature and grinding the carrier into powder; and finally, placing the powder in a tubular furnace, heating to 400 C. at a rate of 3 C. min.sup.1 and holding for 1-2 h, thereby obtaining the SiO.sub.2Fe.sub.2O.sub.3 carrier; (4) preparing a solution with Ca(NO.sub.3).sub.2. 4H.sub.2O as a precursor at a solid-to-liquid ratio of 0.4-1.2 Kg/L; (5) adding the solution prepared in Step (4) to a water tank of an ultrasonic cleaner, and then adding the SiO.sub.2Fe.sub.2O.sub.3 carrier prepared in Step (3) to the water tank for ultrasonic mixing for 6-9 hours; and (6) calcining the SiO.sub.2Fe.sub.2O.sub.3 carrier treated in Step (5) at a temperature of 900 C. to remove NO.sub.x on surface attachments thereof and prepare CaO; modifying the SiO.sub.2Fe.sub.2O.sub.3 carrier by CaO; then, cooling the modified SiO.sub.2Fe.sub.2O.sub.3 carrier to room temperature; grinding the cooled SiO.sub.2Fe.sub.2O.sub.3 carrier to a particle size of 0.1-0.2 mm, thereby obtaining the chlorine adsorption material.

(3) According to one embodiment, the components and parts added in Steps (1), (2) and (4) are as follows:

(4) 52 to 67 parts of the natural iron ores;

(5) 25 to 30 parts of the quartz stones; and

(6) 0.03 to 0.05 parts of Ca(NO.sub.3).sub.2.4H.sub.2O.

(7) According to one embodiment, the flow rate of the air introduced into the quartz tube in Step (3) is 80 mL/min.

(8) According to one embodiment, Ca(NO.sub.3).sub.2.4H.sub.2O in Step (4) has a purity of more than 99.9%, and a particle size of less than 5 m.

(9) According to one embodiment, the ultrasonic cleaner in Step (5) has an operating frequency of 40,000 Hz and an operating power of 100 W.

(10) According to one embodiment, the ultrasonic cleaner in Step (5) maintains the temperature of the water tank at 90 C. during operating.

(11) According to one embodiment, the time for calcining the SiO.sub.2Fe.sub.2O.sub.3 carrier treated in Step (5) is 1 h in Step (6).

(12) The resulting chlorine adsorption material is applied to the adsorption of the chlorine-based substances during waste incineration.

Embodiment 1

(13) A method for preparing a chlorine adsorption material for use in waste incineration specifically included the following Steps: (1) preparation of iron ore powder: natural iron ores were put into a grinder and grinding the natural iron ores, and then sieved to obtain the iron ore powder with a particle size of 0.2-0.3 mm; (2) preparation of SiO.sub.2: the quartz stones were placed in a tablet press and pressed into powder, then dried and dehydrated, and sieved through a 60-100-mesh sieve to obtain SiO.sub.2 powder; (3) preparation of a SiO.sub.2Fe.sub.2O.sub.3 carrier: with a chemical vapor deposition method, 2 kg of the SiO.sub.2 powder prepared in Step (2) were weighed and placed in a quartz tube of a chemical vapor deposition device, 5.36 kg of the iron ore powder prepared in Step (1) were weighed and placed in a sublimator of the chemical vapor deposition device, wherein the quartz tube was vertically arranged opposite to and communicated with the sublimator, and the quartz tube was internally provided with a platform for the placement of the SiO.sub.2 powder; the quartz tube was introduced with air at a flow rate of 80 mL/min and is kept at a vacuum degree of 0.08 MPa, so that the SiO.sub.2 powder is in a fluidized state; then, the quartz tube was heated to 200 C. to remove water in the SiO.sub.2 powder and held for 2 h; the quartz tube was heated to 400 C. and held; then, the sublimator was introduced with nitrogen and was regulated in temperature to 110 C.; after the iron ore powder sublimated completely, the temperature of the sublimator was regulated to 400 C., so as to form a reaction chamber by the sublimator and the quartz tube and allow the SiO.sub.2 powder in the fluidized state to be fully mixed with the sublimated iron ore powder; the reaction chamber was head at 400 C. for 2 h, to allow iron and an iron compound on the carrier formed from the SiO.sub.2 powder and the iron ore powder to be completely oxidized, and then the carrier was cooled to room temperature and dried at the room temperature; and finally, the carrier was ground into powder and then placed in a tubular furnace, which was heated to 400 C. at a rate of 3 C. min.sup.1 and held for 2 h to obtain the SiO.sub.2Fe.sub.2O.sub.3 carrier; (4) Ca(NO.sub.3).sub.2. 4H.sub.2O was taken as a precursor to preparing a solution at a solid-to-liquid ratio of 0.4 Kg/L, the purity was more than 99.9%, and the particle size was less than 5 m; (5) the solution prepared in Step (4) was added to a water tank of an ultrasonic cleaner; then the SiO.sub.2Fe.sub.2O.sub.3 carrier prepared in Step (3) was added to the water tank; and then, the mixed system in the water tank was ultrasonically mixed for 6 h with the operating parameters as follows: the operating frequency of 40000 Hz and the operating power of 100 W, wherein the mixing temperature within the water tank was held at 90 C. during mixing; (6) the SiO.sub.2Fe.sub.2O.sub.3 carrier treated in Step (5) was calcined for 1 h at a temperature of 900 C. to remove NO.sub.x on surface attachments thereof and prepare CaO; and the SiO.sub.2Fe.sub.2O.sub.3 carrier was modified with CaO, then cooled to room temperature, and then ground to a particle size of 0.1-0.2 mm, thereby obtaining the chlorine adsorption material.

Embodiment 2

(14) A method for preparing a chlorine adsorption material for use in waste incineration specifically included the following Steps: (1) preparation of iron ore powder: natural iron ores were put into a grinder and grinding the natural iron ores, and then sieved to obtain the iron ore powder with a particle size of 0.2-0.3 mm; (2) preparation of SiO.sub.2: the quartz stones were placed in a tablet press and pressed into powder, then dried and dehydrated, and sieved through a 60-100-mesh sieve to obtain SiO.sub.2 powder; (3) preparation of a SiO.sub.2Fe.sub.2O.sub.3 carrier: with a chemical vapor deposition method, 2 kg of the SiO.sub.2 powder prepared in Step (2) were weighed and placed in a quartz tube of a chemical vapor deposition device, 3.46 kg of the iron ore powder prepared in Step (1) were weighed and placed in a sublimator of the chemical vapor deposition device, wherein the quartz tube was vertically arranged opposite to and communicated with the sublimator, and the quartz tube was internally provided with a platform for the placement of the SiO.sub.2 powder; the quartz tube was introduced with air at a flow rate of 80 mL/min and is kept at a vacuum degree of 0.08 MPa, so that the SiO.sub.2 powder is in a fluidized state; then, the quartz tube was heated to 200 C. to remove water in the SiO.sub.2 powder and held for 2 h; the quartz tube was heated to 400 C. and held; then, the sublimator was introduced with nitrogen and was regulated in temperature to 110 C.; after the iron ore powder sublimated completely, the temperature of the sublimator was regulated to 400 C., so as to form a reaction chamber by the sublimator and the quartz tube and allow the SiO.sub.2 powder in the fluidized state to be fully mixed with the sublimated iron ore powder; the reaction chamber was head at 400 C. for 2 h, to allow iron and an iron compound on the carrier formed from the SiO.sub.2 powder and the iron ore powder to be completely oxidized, and then the carrier was cooled to room temperature and dried at the room temperature; and finally, the carrier was ground into powder and then placed in a tubular furnace, which was heated to 400 C. at a rate of 3 C.min.sup.1 and held for 2 h to obtain the SiO.sub.2Fe.sub.2O.sub.3 carrier; (4) Ca(NO.sub.3).sub.2.4H.sub.2O was taken as a precursor to preparing a solution at a solid-to-liquid ratio of 0.4 Kg/L, the purity was more than 99.9%, and the particle size was less than 5 m; (5) the solution prepared in Step (4) was added to a water tank of an ultrasonic cleaner; then the SiO.sub.2Fe.sub.2O.sub.3 carrier prepared in Step (3) was added to the water tank; and then, the mixed system in the water tank was ultrasonically mixed for 8 h with the operating parameters as follows: the operating frequency of 40000 Hz and the operating power of 100 W, wherein the mixing temperature within the water tank was held at 90 C. during mixing; (6) the SiO.sub.2Fe.sub.2O.sub.3 carrier treated in Step (5) was calcined for 1 h at a temperature of 900 C. to remove NO.sub.x on surface attachments thereof and prepare CaO; and the SiO.sub.2Fe.sub.2O.sub.3 carrier was modified with CaO, then cooled to room temperature, and then ground to a particle size of 0.1-0.2 mm, thereby obtaining the chlorine adsorption material.

Embodiment 3

(15) A method for preparing a chlorine adsorption material for use in waste incineration specifically included the following Steps: (1) preparation of iron ore powder: natural iron ores were put into a grinder and grinding the natural iron ores, and then sieved to obtain the iron ore powder with a particle size of 0.2-0.3 mm; (2) preparation of SiO.sub.2: the quartz stones were placed in a tablet press and pressed into powder, then dried and dehydrated, and sieved through a 60-100-mesh sieve to obtain SiO.sub.2 powder; (3) preparation of a SiO.sub.2Fe.sub.2O.sub.3 carrier: with a chemical vapor deposition method, 2 kg of the SiO.sub.2 powder prepared in Step (2) were weighed and placed in a quartz tube of a chemical vapor deposition device, 5.36 kg of the iron ore powder prepared in Step (1) were weighed and placed in a sublimator of the chemical vapor deposition device, wherein the quartz tube was vertically arranged opposite to and communicated with the sublimator, and the quartz tube was internally provided with a platform for the placement of the SiO.sub.2 powder; the quartz tube was introduced with air at a flow rate of 80 mL/min and is kept at a vacuum degree of 0.08 MPa, so that the SiO.sub.2 powder is in a fluidized state; then, the quartz tube was heated to 200 C. to remove water in the SiO.sub.2 powder and held for 2 h; the quartz tube was heated to 400 C. and held; then, the sublimator was introduced with nitrogen and was regulated in temperature to 110 C.; after the iron ore powder sublimated completely, the temperature of the sublimator was regulated to 400 C., so as to form a reaction chamber by the sublimator and the quartz tube and allow the SiO.sub.2 powder in the fluidized state to be fully mixed with the sublimated iron ore powder; the reaction chamber was head at 400 C. for 2 h, to allow iron and an iron compound on the carrier formed from the SiO.sub.2 powder and the iron ore powder to be completely oxidized, and then the carrier was cooled to room temperature and dried at the room temperature; and finally, the carrier was ground into powder and then placed in a tubular furnace, which was heated to 400 C. at a rate of 3 C.min.sup.1 and held for 2 h to obtain the SiO.sub.2Fe.sub.2O.sub.3 carrier; (4) Ca(NO.sub.3).sub.2.4H.sub.2O was taken as a precursor to preparing a solution at a solid-to-liquid ratio of 0.8 Kg/L, the purity was more than 99.9%, and the particle size was less than 5 m; (5) the solution prepared in Step (4) was added to a water tank of an ultrasonic cleaner; then the SiO.sub.2Fe.sub.2O.sub.3 carrier prepared in Step (3) was added to the water tank; and then, the mixed system in the water tank was ultrasonically mixed for 9 h with the operating parameters as follows: the operating frequency of 40000 Hz and the operating power of 100 W, wherein the mixing temperature within the water tank was held at 90 C. during mixing; (6) the SiO.sub.2Fe.sub.2O.sub.3 carrier treated in Step (5) was calcined for 1 h at a temperature of 900 C. to remove NO.sub.x on surface attachments thereof and prepare CaO; and the SiO.sub.2Fe.sub.2O.sub.3 carrier was modified with CaO, then cooled to room temperature, and then ground to a particle size of 0.1-0.2 mm, thereby obtaining the chlorine adsorption material.

Embodiment 4

(16) A method for preparing a chlorine adsorption material for use in waste incineration specifically included the following Steps: (1) preparation of iron ore powder: natural iron ores were put into a grinder and grinding the natural iron ores, and then sieved to obtain the iron ore powder with a particle size of 0.2-0.3 mm; (2) preparation of SiO.sub.2: the quartz stones were placed in a tablet press and pressed into powder, then dried and dehydrated, and sieved through a 60-100-mesh sieve to obtain SiO.sub.2 powder; (3) preparation of a SiO.sub.2Fe.sub.2O.sub.3 carrier: with a chemical vapor deposition method, 2 kg of the SiO.sub.2 powder prepared in Step (2) were weighed and placed in a quartz tube of a chemical vapor deposition device, 3.46 kg of the iron ore powder prepared in Step (1) were weighed and placed in a sublimator of the chemical vapor deposition device, wherein the quartz tube was vertically arranged opposite to and communicated with the sublimator, and the quartz tube was internally provided with a platform for the placement of the SiO.sub.2 powder; the quartz tube was introduced with air at a flow rate of 80 mL/min and is kept at a vacuum degree of 0.08 MPa, so that the SiO.sub.2 powder is in a fluidized state; then, the quartz tube was heated to 200 C. to remove water in the SiO.sub.2 powder and held for 2 h; the quartz tube was heated to 400 C. and held; then, the sublimator was introduced with nitrogen and was regulated in temperature to 110 C.; after the iron ore powder sublimated completely, the temperature of the sublimator was regulated to 400 C., so as to form a reaction chamber by the sublimator and the quartz tube and allow the SiO.sub.2 powder in the fluidized state to be fully mixed with the sublimated iron ore powder; the reaction chamber was head at 400 C. for 2 h, to allow iron and an iron compound on the carrier formed from the SiO.sub.2 powder and the iron ore powder to be completely oxidized, and then the carrier was cooled to room temperature and dried at the room temperature; and finally, the carrier was ground into powder and then placed in a tubular furnace, which was heated to 400 C. at a rate of 3 C.min.sup.1 and held for 2 h to obtain the SiO.sub.2Fe.sub.2O.sub.3 carrier; (4) Ca(NO.sub.3).sub.2.4H.sub.2O was taken as a precursor to preparing a solution at a solid-to-liquid ratio of 1.2 Kg/L, the purity was more than 99.9%, and the particle size was less than 5 m; (5) the solution prepared in Step (4) was added to a water tank of an ultrasonic cleaner; then the SiO.sub.2Fe.sub.2O.sub.3 carrier prepared in Step (3) was added to the water tank; and then, the mixed system in the water tank was ultrasonically mixed for 9 h with the operating parameters as follows: the operating frequency of 40000 Hz and the operating power of 100 W, wherein the mixing temperature within the water tank was held at 90 C. during mixing; (6) the SiO.sub.2Fe.sub.2O.sub.3 carrier treated in Step (5) was calcined for 1 h at a temperature of 900 C. to remove NO.sub.x on surface attachments thereof and prepare CaO; and the SiO.sub.2Fe.sub.2O.sub.3 carrier was modified with CaO, then cooled to room temperature, and then ground to a particle size of 0.1-0.2 mm, thereby obtaining the chlorine adsorption material.

Performance Test

(17) The chlorine adsorption materials prepared in Embodiments 1 to 4 were placed in different waste incineration reactors respectively; then, the reactors were heated to the temperature of 900 C. at the atmosphere of air and held for 30 min to ensure the complete oxidation of the chlorine adsorption material; subsequently, a combustion-supporting syngas (consisting of 1% of HCl, 21.9% of CO, 5.9% of CH.sub.4, 12.7% of H.sub.2, 7.8% of CO.sub.2 and 50.7% of N.sub.2) was introduced and pushed into an incinerator through an air nozzle for combusting with the waste; after the complete combustion, the content of HCl in the flue gas was measured. In addition, a test where the chlorine adsorption material was not added was newly added so as to measure the content of HCl in the flue gas when the chlorine adsorption material was not added. The results obtained were as follows:

(18) TABLE-US-00001 Content of chlorine substances without Content of chlorine adsorption material substances with adsorption Item added (ppm) material added (ppm) Embodiment 1 367.2 55.7 Embodiment 2 367.2 60.6 Embodiment 3 367.2 45.4 Embodiment 4 367.2 39.9

(19) According to the requirements of Standard for Pollution Control on the Municipal Solid Waste Incineration (GB 18485-2014), the limit for HCl is 60 ppm (a mean value in 1 hour) or 50 ppm (a mean value in 24 hours). It can be seen from this that the addition of the chlorine adsorption material prepared according to the solutions of the invention can enable the adsorption of the chlorine-based substances generated during waste incineration, and the indexes required by relevant regulations in China are met.

(20) The above description provides the embodiments of the invention. For those skilled in the art, any equivalent alternations, modifications, substitutions and variations made depending on the patent scope of the invention application according to the teaching of the invention without departing from the principle and spirit of the invention shall fall within the scope covered by the invention.