Alkylation waste acid treatment apparatus and method
A technology for alkylation waste acid and treatment equipment, which is applied in the chemical industry, sustainable manufacturing/processing, climate sustainability, etc. It can solve the problems of unplanned shutdown of sulfur plants, low concentration of sulfuric acid, pollution, etc., and achieve equipment investment And the effect of reducing the corresponding operating cost, simplifying the introduction device, and simplifying the structure of the equipment
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[0052] Example 1
[0053] The device is a 40kt / a sulfur recovery device. The processing method of the device is as follows:
[0054] 1) The alkylation waste acid in the alkylation waste acid input pipe 3 is fed into the sulfur-making furnace 1 through the waste acid spray gun 5. The amount of waste acid injected is 1.2t / h, and the acid gas in the acid gas input pipe 2 passes through the acid The gas burner 4 enters the sulfur-making furnace 1, and the temperature of the sulfur-making furnace 1 is controlled to 1000°C. The process gas produced by the reaction is output through the gas output end of the sulfur-making furnace 1. The acid gas contains H 2 S has a concentration of 57% by volume; the spent alkylation acid includes the following components: sulfuric acid 85 wt% and organic matter 15 wt%; the composition of the process gas at the gas output end of the sulfur furnace 1 is: H 2 S5.53%, SO 2 2.64%, SO 3 122ppm, organic sulfur 0.25%, CO 2 15.12%, the rest is sulfur steam, sat...
Example Embodiment
[0057] Example 2
[0058] The device is an 80kt / a sulfur recovery device. The processing method of the device is as follows:
[0059] 1) The alkylation waste acid in the alkylation waste acid input pipe 3 is fed into the sulfur-making furnace 1 through the waste acid spray gun 5. The amount of waste acid sprayed is 1.5t / h, and the acid gas in the acid gas input pipe 2 passes through the acid The gas burner 4 enters the sulfur making furnace 1, and the temperature of the sulfur making furnace 1 is controlled to 1050°C. The process gas produced by the reaction is output through the gas output end of the sulfur making furnace 1. The acid gas contains H 2 The concentration of S is 72% by volume; the spent alkylation acid includes the following components: sulfuric acid 90wt% and organic matter 10wt%; the composition of the process gas at the gas output end of the sulfur furnace 1 is: H 2 S4.25%, SO 2 1.95%, SO 3 185ppm, organic sulfur 0.33%, CO 2 13.87%, the rest is sulfur steam, satu...
Example Embodiment
[0062] Example 3
[0063] The device is an 80kt / a sulfur recovery device. The processing method of the device is as follows:
[0064] 1) The alkylation waste acid in the alkylation waste acid input pipe 3 is fed into the sulfur-making furnace 1 through the waste acid spray gun 5. The amount of waste acid injected is 2.0t / h, and the acid gas in the acid gas input pipe 2 passes through the acid The gas burner 4 enters the sulfur making furnace 1, and the temperature of the sulfur making furnace 1 is controlled to 1089°C. The process gas produced by the reaction is output through the gas output end of the sulfur making furnace 1. The acid gas contains H 2 The concentration of S is 80% by volume; the spent alkylation acid includes the following components: 95wt% sulfuric acid and 5wt% organic matter; the composition of the process gas at the gas output end of the sulfur furnace 1 is: H 2 S5.64%, SO 2 2.83%, SO 3 337ppm, organic sulfur 0.72%, CO 2 15.56%, the rest is sulfur steam, satu...
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