Process method for producing accelerant TMTD by taking isopropanol as solvent
2015
The invention provides a process method for producing an accelerant TMTD by taking isopropanol as a solvent. The process method comprises the following steps: with 45% isopropanol as a solvent, 40% isopropanol as a solvent and dimethylamine as starting raw materials, 27.5% hydrogen peroxide as an oxidizing agent, reacting for 2-3h at 50 DEG C, cooling to room temperature, discharging, filtering, washing and drying to obtain a target product, wherein the mass ratio of all the materials, namely the mass ratio of isopropanol, dimethylamine, carbon disulfide and carbon disulfide is 4.7:1.2:0.87:0.72, the amount of water used for washing is 3 times higher than the weight of dimethylamine; after isopropanol in filtrate can be recovered and recycled. The process method has the beneficial effects that since isopropanol is used as a solvent in the production of the accelerant TMTD and the reaction solvent is changed but the reaction equipment is not changed, the product yield is increased obviously and the product quality is stable, the ammonia nitrogen content of wastewater generated in the whole process is lowered to 100ppm or below, COD value is lowered to 200ppm or below, and the generated wastewater looks colorless and transparent and reaches the discharge standard.
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