Medium-high temperature dechlorination agent for removing hydrogen chloride gas and a method for making the same
A dechlorination agent, medium and high temperature technology, which is applied in the field of flue gas purification and treatment, can solve the problems of limited temperature range and low chlorine capacity of the dechlorination agent, and achieves the effects of stable structure, high chlorine capacity and improved adsorption activity.
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Embodiment 1
[0026] Weigh 75g glucose powder, 575g Ca(NO 3 ) 2 , 330g molecular sieve and 20g methyl cellulose; firstly mix glucose powder and Ca(NO 3 ) 2 Mix well, then add 3kg of 333K deionized water, then preheat the molecular sieve at 350K for 4h, and then combine the glucose powder and Ca(NO 3 ) 2 The mixed solution is uniformly dropped onto the preheated molecular sieve, and then mixed with methyl cellulose, and the resulting mixture is stirred at 65 rpm and dried at 353K to obtain a solid. Place the obtained solid in a tube furnace with N 2 To protect the gas, the temperature was raised to 773K at 5K / min, stayed for 30min, and then taken out after cooling. The obtained solid is molded and granulated to obtain the desired dechlorination agent.
[0027] The prepared dechlorination agent is subjected to dechlorination experiments, and the adsorbent reactor can be a moving bed, a fixed bed or a fluidized bed reactor. The dechlorination reaction conditions are: the amount of flue gas introd...
Embodiment 2
[0029] Weigh 74g glucose powder, 460g Ca(NO 3 ) 2 , 116g Mg(NO 3 ) 2 , 310g ZSM-5 and 40g methyl cellulose; firstly mix glucose powder and Ca(NO 3 ) 2 , Mg(NO 3 ) 2 Mix well, then add 4kg of 353K deionized water, then preheat ZSM-5 at 340K for 4h, and then mix glucose powder and Ca(NO 3 ) 2 , Mg(NO 3 ) 2 The mixed solution was dropped uniformly on the preheated ZSM-5, and then mixed with methyl cellulose. The resulting mixture was stirred at 80 rpm and dried at 353K to obtain a solid. Place the obtained solid in a tube furnace with N 2 In order to protect the gas, the temperature is increased to 800K at 5K / min, stayed for 30min, and then taken out after cooling. The obtained solid is molded and granulated to obtain the desired dechlorination agent.
[0030] The prepared dechlorination agent is subjected to dechlorination experiments, and the adsorbent reactor can be a moving bed, a fixed bed or a fluidized bed reactor. The dechlorination reaction conditions are: the amount of flu...
Embodiment 3
[0032] Weigh 187g glucose powder, 563g NaHCO 3 , 240g ZSM-5 and 10g methyl cellulose; first mix glucose powder and NaHCO 3 Mix well, then add 4kg of 340K deionized water, then preheat ZSM-5 at 348K for 4h, then mix the glucose powder and NaHCO 3 The mixed solution is dropped uniformly on the preheated ZSM-5, and then mixed with methyl cellulose, the resulting mixture is stirred at 80 rpm and dried at 363K to obtain a solid. Place the obtained solid in a tube furnace with N 2 In order to protect the gas, the temperature is increased to 800K at 5K / min, stayed for 30min, and then taken out after cooling. The obtained solid is molded and granulated to obtain the desired dechlorination agent.
[0033] The prepared dechlorination agent is subjected to dechlorination experiments, and the adsorbent reactor can be a moving bed, a fixed bed or a fluidized bed reactor. The dechlorination reaction conditions are: the amount of flue gas introduced is 40L / h, the amount of chlorine-containing g...
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