Technological process for producing chlorinated isocyanuric acid

A technology of chlorinated isocyanuric acid and trichloroisocyanuric acid, which is applied in the field of chlorinated isocyanuric acid, achieves remarkable environmental benefits, simple separation tube, and good economic benefits

Inactive Publication Date: 2002-11-20
蚌埠晶显宏发化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a process for the production of trichloroisocyanuric acid and sodium dichloroisocyanurate wi

Method used

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Embodiment Construction

[0011] In the above table, the residence time of chlorine gas is: aeration rate=chlorine gas weight / specific gravity*reaction time, residence time=calcium carbonate layer volume*void ratio / ventilation rate. Among them, chlorine gas passes through the calcium carbonate layer continuously and evenly during the reaction time, and the reaction time refers to the Cl 2 O+CO 2 During the reaction time in No. II reactor, the available chlorine of the product refers to the amount of chlorine contained in the unit product, the total weight of the product refers to the weight of the dry product, and the calculation method of the yield is actual output / theoretical output. It can be seen from the above table: CaCO 3 When the particle size is above 0.1 μm, the reaction cannot proceed; when it is below 0.1 μm, CaCO can be smoothly made 3 Reacts with chlorine gas. The obtained trichloroisocyanuric acid product has good quality and purity, and the yield of the whole process is extrem...

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Abstract

The production process of chlorinated isocyanuric acid is characterized by that it makes the chlorine gas pass through solid carbonate or solid bicarbonate powder to obtain mixed gas, and introduces the mixed gas into suspensoid of cyanuric acid or monosodium cyanurate to make reaction and obtain symclosene or sodium dichloroisocyanurate. Said ivnented process can produce pure chloride-free chlorinated isocyanuric acid, its product colour is good, and the residuum produced after reaction of carbonate or bicarbonate and chlorine gas is another product.

Description

technical field [0001] The technical field to which the technical solution claimed in the present invention belongs is chlorinated isocyanuric acid, specifically the production process of trichloroisocyanuric acid and sodium dichloroisocyanurate. Background technique [0002] Typical representative substances of chlorinated isocyanuric acid are trichloroisocyanuric acid and sodium dichloroisocyanurate, which are more and more widely used as a low-toxicity, high-efficiency, broad-spectrum disinfectant. However, at present, trichloroisocyanuric acid and sodium dichloroisocyanurate are produced by liquid phase method, that is, chlorine gas directly reacts with alkali, carbonate or isocyanate dissolved in water or other solvents. The disadvantage is: the consumption of reactants is large, and every ton of product produced will produce 6-9 tons of waste water, which contains a large amount of NaCl and trichloroisocyanuric acid or dichloroisocyanurate, which...

Claims

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Application Information

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IPC IPC(8): C07D251/54C07D251/70
Inventor 唐银华
Owner 蚌埠晶显宏发化工有限公司
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