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Synthesis of phthalocyanine tower simulation of rice blast in the pilot study


Reaction smoothly. Reaction of hydrogen chloride gas generated in the outer wall into the water spray-cooled absorber tail gas absorption, by-product hydrochloric acid (concentration of 15 or so), the purified exhaust emission standards achieved by the exhaust vent. 2.2.1.34,5,6,7 the synthesis of a four chlorobenzene phthalate (hydrolytic cyclization) the material to the vacuum side chain chloride hydrolysis reactor,[link widoczny dla zalogowanych], the stirring heating,[link widoczny dla zalogowanych], vacuum distillation of carbon tetrachloride Henan Chemical Industry by condensation tube 3 1998 condense recovery, when you start steaming out of carbon tetrachloride,[link widoczny dla zalogowanych], it will be slowly added concentrated sulfuric acid 95 hydrolysis reactor,[link widoczny dla zalogowanych], acid distillation of carbon tetrachloride, speed and speed of the basic the same, after adding acid, slowly heated to 14O ~ C will have a large number of hydrogen chloride gas when released, attention control to prevent the red material, 4h, reaction heat,[link widoczny dla zalogowanych], stirring after cooling the material to the stored material bottle storage. Reaction of hydrogen chloride gas generated in the absorber absorbed by emptying. The reaction solution slowly into the bottle from the storage material filled with ice inside the ring of the ring of mixing (temperature <1OO. C), a large number of yellow powder precipitated four chlorobenzene phthalate, cooling, filtration recovery of waste sulfuric acid (concentration 65 or so), then the filter cake washed to neutral, release the waste acid waste acid storage tanks to prepare for Preparation of single superphosphate. Wash water and waste water in the pool acid washing with lime neutralization, the platoon sewers, calcium sulfate from recyclable. 2.2.25O phthalate WP rice blast cleaning process will be to neutral phthalate release of four chlorobenzene oven drying, respectively, Nai, tea, dry and dried in the four ball mill grinding chlorobenzene phthalate phthalocyanine by rice blast after the original powder 5O, tea, dry powder 3%, washing powder 2, Nai ratio of 45 to release the powder mixture after mixing tank for the finished product. Benzene chloride 3.1 3 results yield the relationship between speed and temperature (see Figure 2) formula: o-xylene, 500ml; carbon tetrachloride 4200ml; catalyst - iron wire 82.3g (0.1mm), through chlorine 1.297kg. Shown in Figure 2, the temperature rise speed, reaction time is short, Henan Chemical Industry in 1998 3 but low yield, slow temperature rise, according to curve A controlled, high yield, with 5C / h is appropriate. Initial temperature has little effect on total yield, but high temperatures will extend the initial reaction time, the use of room temperature reaction is good. 3.2 The effect of exhaust gas treatment up to trace chlorine and hydrogen chloride absorption tower effective to prevent and reduce environmental pollution. 3.3 The choice of solvent than the solvent than in the 15:1 experiment, the chlorination reaction tube, 15 * still clogging chlorine affect the operation; solvent ratio can be increased to 16: l or more, until no chlorine pipe clogging up. 3.4 The selection of the side chain chlorination of light intensity light intensity on the side chain chlorination rate have a greater impact, light enhancement can speed up the reaction rate, shorten the reaction time, the light conditions are more appropriate o-xylene: illumination of a 1ml: 0 .8 W. 3.5 Process Parameters (see table) Schedule 4 Conclusion of process parameters to determine the device made with ordinary glass, and equipment corrosion and solvent resistant, easy to observe and control the production, use of glass material for the production (eg, borosilicate glass) provided. l973, 6.2 Chinese enterprises Daquan pesticide Writing Group. Chinese pesticide companies Daquan, first edition. Beijing: Chemical Industry Press, 1996.3AZerb. 1 <l1inZ1964 (1): 95 (Russ). 4Cl01634204.5 Ningbo Chemical Industry Research Institute. Phthalide direct chlorination system tetrachlorobenzene
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