Processing process for evaporating and concentrating sodium sulfate aqueous solution to crystallize
A sodium sulfate aqueous solution, sodium sulfate solution technology, applied in alkali metal sulfite/sulfate dehydration, sustainable manufacturing/processing, chemical industry, etc., can solve problems affecting the smooth operation of steam compressors, pipe plugging, low flow rate, etc. problems, to achieve the effects of stable protection, lower production costs, and recovery of latent heat
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[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0020] see figure 1 , the present invention provides a kind of technical scheme: a kind of processing technology of evaporation concentration sodium sulfate aqueous solution crystallization, the concrete steps of this processing technology are as follows:
[0021] S1: The pH of the sodium sulfate solution to be treated is adjusted to 5-6 in the neutralization tank. The sodium sulfate solution comes out of the neutralization tank and is preheated by the condens...
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