Preparation method for reproducible low-temperature selective catalytic reduction denitration catalyst
The invention relates to a preparation method for a reproducible low-temperature selective catalytic reduction denitration catalyst. The preparation method comprises the following steps: S1) preparing a supporting material; S2) adding 57ml butoxy acetic titanium into a 500ml beaker, stirring and the...
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| creator | YE WEIPING TANG HAO JIN YINJIA ZHU YUE JI HAIHONG |
| description | The invention relates to a preparation method for a reproducible low-temperature selective catalytic reduction denitration catalyst. The preparation method comprises the following steps: S1) preparing a supporting material; S2) adding 57ml butoxy acetic titanium into a 500ml beaker, stirring and then heating to 50 DEG C; S3) adding 50ml 1mol/L HNO3; S4) adding 160ml vinyl triethoxy silane, keeping at 50 DEG C, and stirring for 24 hours for sufficient hydrolysis reaction, wherein the mole ratio of Ti to Si is 3:1; S5) centrifugally separating at the speed of 6000 rpm, and washing for 5 times with deionized water; S6) drying for 12 hours in an oven at 110 DEG C; S7) calcining for 4 hours in a muffle furnace at 500 DEG C and grinding, thereby acquiring a porous TiO2-SiO2 double oxide supporting material; and S8) loading Fe-Mn-W oxides. According to the preparation method provided by the invention, the reproducible low-temperature selective catalytic reduction denitration catalyst can be acquired and can be regen |
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The preparation method comprises the following steps: S1) preparing a supporting material; S2) adding 57ml butoxy acetic titanium into a 500ml beaker, stirring and then heating to 50 DEG C; S3) adding 50ml 1mol/L HNO3; S4) adding 160ml vinyl triethoxy silane, keeping at 50 DEG C, and stirring for 24 hours for sufficient hydrolysis reaction, wherein the mole ratio of Ti to Si is 3:1; S5) centrifugally separating at the speed of 6000 rpm, and washing for 5 times with deionized water; S6) drying for 12 hours in an oven at 110 DEG C; S7) calcining for 4 hours in a muffle furnace at 500 DEG C and grinding, thereby acquiring a porous TiO2-SiO2 double oxide supporting material; and S8) loading Fe-Mn-W oxides. 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The preparation method comprises the following steps: S1) preparing a supporting material; S2) adding 57ml butoxy acetic titanium into a 500ml beaker, stirring and then heating to 50 DEG C; S3) adding 50ml 1mol/L HNO3; S4) adding 160ml vinyl triethoxy silane, keeping at 50 DEG C, and stirring for 24 hours for sufficient hydrolysis reaction, wherein the mole ratio of Ti to Si is 3:1; S5) centrifugally separating at the speed of 6000 rpm, and washing for 5 times with deionized water; S6) drying for 12 hours in an oven at 110 DEG C; S7) calcining for 4 hours in a muffle furnace at 500 DEG C and grinding, thereby acquiring a porous TiO2-SiO2 double oxide supporting material; and S8) loading Fe-Mn-W oxides. 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The preparation method comprises the following steps: S1) preparing a supporting material; S2) adding 57ml butoxy acetic titanium into a 500ml beaker, stirring and then heating to 50 DEG C; S3) adding 50ml 1mol/L HNO3; S4) adding 160ml vinyl triethoxy silane, keeping at 50 DEG C, and stirring for 24 hours for sufficient hydrolysis reaction, wherein the mole ratio of Ti to Si is 3:1; S5) centrifugally separating at the speed of 6000 rpm, and washing for 5 times with deionized water; S6) drying for 12 hours in an oven at 110 DEG C; S7) calcining for 4 hours in a muffle furnace at 500 DEG C and grinding, thereby acquiring a porous TiO2-SiO2 double oxide supporting material; and S8) loading Fe-Mn-W oxides. According to the preparation method provided by the invention, the reproducible low-temperature selective catalytic reduction denitration catalyst can be acquired and can be regen</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION THEIR RELEVANT APPARATUS TRANSPORTING |
| title | Preparation method for reproducible low-temperature selective catalytic reduction denitration catalyst |
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