Novel high pressure alkali fusion production process for H acid
A new process, high-pressure alkali technology, applied in the field of H acid high-pressure alkali fusion production process, can solve the problems of unbalanced reaction, high content of by-products, high viscosity, etc., achieve stable and feasible reaction, and improve the quality of finished products
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[0014] (Taking 1000kg of sodium hydroxide liquid caustic soda with a concentration of 75% as an example)
[0015] The first step: 30% or 48% liquid caustic soda is concentrated and evaporated to obtain 75% high-temperature liquid caustic soda, and 75% liquid caustic soda is stored in a storage tank with a steam insulation jacket; The T acid solution is stored in a stainless steel metering tank with a steam insulation jacket.
[0016] Second step: add 1000kg of 75% sodium hydroxide to the alkali fusion reactor through a flow meter in the reactor equipped with a stirrer. After adding alkali, slowly add 4300kg of T acid solution with a content of 20%, after adding, turn on the mixer to stir and mix evenly.
[0017] Step 3: Open the jacketed steam device of the alkali melting pot to raise the temperature in the alkali melting pot to 80-120°C, then open the valve on the dehydration pipeline to start dehydration, and the dehydrated water vapor enters the metering tank after being c...
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