Method for treating waste triethyl aluminum

Abstract

The invention discloses a method for treating waste triethyl aluminum. The method comprises the following steps: S1, pressing waste triethyl aluminum to a first storage tank with white oil by protection gas, and absorbing waste triethyl aluminum to form a mixed solution, wherein the mass percent of waste triethyl aluminum in the mixed solution is less than 8%; S2, stirring the mixed solution and standing for a period of time; S3, pressing the mixed solution in the first storage tank to a second storage tank with the protection gas near a combustion furnace by the protection gas; S4, discharging a mixed solution in the second storage tank to the combustion furnace for combusting. The method has the benefits that triethyl aluminum is absorbed through the white oil to obtain diluted triethyl aluminum for guaranteeing the safety of a triethyl aluminum transport process; the protection gas is adopted as a gas pressure source in the transport process, so that triethyl aluminum can be prevented from reacting with air; diluted triethyl aluminum is completely combusted in the combustion furnace, the combustion process is safe, carbon dioxide generated in combustion is harmless, and aluminum oxide generated after the combustion is discharged together with slag and fly ash.

Description

technical field [0001] The invention relates to the field of harmless treatment of waste chemical raw materials, in particular to a method for treating waste triethylaluminum. Background technique [0002] Triethylaluminum is extremely flammable, highly corrosive and irritating, with high chemical reactivity, and will smoke and spontaneously ignite when exposed to air; it is extremely sensitive to trace amounts of oxygen water, and can easily cause combustion and explosion; it can react with acids, halogens, Alcohols and amines will react violently when in contact with them; they will decompose strongly when they meet with water, releasing flammable alkane gas. [0003] In the prior art, there are two main ways to deal with the discarded triethylaluminum: one is to dilute the triethylaluminum into the waste liquid tank and return it to the manufacturer, but since the triethylaluminum is not deactivated, personnel operate on site Sometimes there will be certain safety hazard...

AI Technical Summary

Problems solved by technology

[0003] In the prior art, there are two main ways to deal with the discarded triethylaluminum: one is to dilute the triethylaluminum into the waste liquid tank and return it to the manufacturer, but since the triethylaluminum is not deactivated, personnel operate on site Sometimes there will be certain safety hazards; the other is to add triethylaluminum deactivator ATMER163, although this method can deactivate triethylaluminum, it needs a large amount of deactivator, the processing cost is high, and still needs Follow up

Above-mentioned two treatment methods are all not quite ideal, now urgently need a kind of method that can process waste triethylaluminum harmlessly and safely

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