Meapo-17 molecular sieve containing transition metal and its synthesis method and application
A technology of meapo-17 and molecular sieve, which is applied in the direction of molecular sieve catalyst, aluminum phosphate with molecular sieve characteristics, molecular sieve and base exchange phosphate, etc., to achieve good catalytic performance
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Embodiment 1
[0032] This embodiment provides a CuAPO-17 molecular sieve, which is specifically prepared through the following steps:
[0033] Dissolve 12.2544g of aluminum isopropoxide in 25.8848g of deionized water, stir evenly, then slowly add 6.9176g of phosphoric acid (85% by mass) with vigorous stirring, continue stirring for 1h after the addition, and then perform the second feeding. Slowly add 0.29g of copper nitrate trihydrate under vigorous stirring, continue to stir for 2h, and finally add 3.0152g of cyclohexylamine and stir vigorously for 2h until a uniform gel is formed;
[0034] Transfer the prepared gel into a self-pressurized stainless steel reactor with a polytetrafluoroethylene liner, crystallize at 200°C for 96 hours, and separate the solid product after the reaction;
[0035] The solid product was washed with deionized water until neutral, and dried at 110°C for 10 hours to obtain a powder product, and its X-ray diffraction analysis spectrum was as follows: figure 1 As ...
Embodiment 2
[0038] This embodiment provides a kind of MnAPO-17 molecular sieve, specifically is prepared through the following steps:
[0039] Dissolve 12.2544g of aluminum isopropoxide in 25.36g of deionized water, stir evenly, then slowly add 6.9176g of phosphoric acid (mass fraction: 85%) with vigorous stirring, continue stirring for 1h after the addition, and then perform the second feeding. Slowly add 0.4295g of manganese nitrate (50%) under vigorous stirring, continue to stir for 2h, and finally add 3.0152g of cyclohexylamine and stir vigorously for 2h until a uniform gel is formed;
[0040] Transfer the prepared gel into a self-pressurized stainless steel reactor with a polytetrafluoroethylene liner, crystallize at 200°C for 96 hours, and separate the solid product after the reaction;
[0041] The solid product was washed with deionized water until neutral, and dried at 110°C for 10 hours to obtain a powder product, and its X-ray diffraction analysis spectrum was as follows: figu...
Embodiment 3
[0044]This embodiment provides a NiAPO-17 molecular sieve, which is specifically prepared by the following steps:
[0045] Dissolve 12.2544g of aluminum isopropoxide in 25.7216g of deionized water, stir evenly, then slowly add 6.9176g of phosphoric acid (85% in mass fraction) with vigorous stirring, continue stirring for 1h after the addition, and then perform the second feeding. Slowly add 0.6106g of nickel nitrate hexahydrate under vigorous stirring, continue to stir for 2h, and finally add 3.0152g of cyclohexylamine and stir vigorously for 2h until a uniform gel is formed;
[0046] Transfer the prepared gel into a self-pressurized stainless steel reactor with a polytetrafluoroethylene liner, crystallize at 200°C for 96 hours, and separate the solid product after the reaction;
[0047] The solid product was washed with deionized water until neutral, and dried at 110°C for 10 hours to obtain a powder product, and its X-ray diffraction analysis spectrum was as follows: image...
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Abstract
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