Thread Content
This post was last edited by sunjl1981 on 2013-1-6 20:22. Discussion thread on chlor-alkali chemical technology ---- Hydrochloric acid: 1. Please help analyze the reasons for the explosion of hydrochloric acid tanks. 2. The conversion between the concentration of hydrochloric acid and its pH value. 3. Does anyone know anything about the techniques related to the decomposition of hydrochloric acid? 4 What are the uses of dilute hydrochloric acid? 5 Two-in-one hydrochloric acid synthesis furnace production capacity 6 Question: Which manufacturer produces higher-quality hydrochloric acid synthesis furnaces? 7 Who has used the hydrochloric acid zero-resolution device? Do the hydrochloric acid storage tanks in 8-chlorine alkali enterprises contain hydrogen? About how much? 9 Which process is better for producing hydrogen chloride: desorption with hydrochloric acid or direct combustion? 10 Which furnace is less likely to produce free chlorine when used for synthesizing hydrochloric acid? 11 High-purity hydrochloric acid contains iron; please help analyze this. 12 Provide some clues – dilution of hydrochloric acid. 13 Low purity of chlorine gas and its use in the synthesis of hydrochloric acid. 14 Hydrochloric acid in the ion-exchange membrane chlor-alkali process. 15 Buffer tanks for the production of hydrogen chloride gas from hydrochloric acid. 16 Issues related to hydrochloric acid consumption. 17 The suction capacity of hydraulic jet pumps for hydrochloric acid. 18 Vent pipes on hydrochloric acid intermediate tanks. 19 Problem of zero desorption in dilute hydrochloric acid. 20 Dechlorination of brackish water, use of hydrochloric acid, and acid used for resin tower regeneration. 21 Hydrochloric acid produced as a by-product of chloroacetic acid. 22 Please advise on downstream products that consume hydrochloric acid and liquid alkali. 23 Differences between domestic and imported hydrochloric acid production furnaces! Also, please report any problems that have occurred with the hydrochloric acid furnace. 24: Can a 24-membrane filter be cleaned using 31% hydrochloric acid? 25: What should be done if the temperatures in all sections are low after starting up the two-in-one hydrochloric acid system? 26: How to start the hydrochloric acid pump? 27: The lamp holders in the hydrochloric acid synthesis furnace tend to corrode. 28: How can high-purity hydrochloric acid be ensured to meet quality standards? 29 Emergency plan for introducing liquid chlorine into the tail chlorine system of the hydrochloric acid plant 30 Issues related to water removal during hydrochloric acid production 31 Installing nitrogen pipes in hydrochloric acid synthesis furnaces 32 Problems with hydrochloric acid pumps 33 How to analyze calcium and magnesium in hydrochloric acid 34 Why does hydrochloric acid turn yellow when heated after reacting with magnesium hydroxide? 35 The azeotrope temperature of hydrochloric acid 36 Question: What is the situation with the hydrochloric acid synthesis furnaces of the following companies? 37. For the hydrochloric acid absorption tower, how should the spray density inside the tower be calculated? 38. Calls for proposals regarding the treatment of exhaust gases from the hydrochloric acid tank vent pipes; those whose proposals are approved will receive a reward of 15 wealth points. 39. The iron content in the hydrochloric acid intermediate tank is high. 40. The price of hydrochloric acid. 41. Hydrochloric acid exhaust gases. 42. The gas-liquid equilibrium curve for hydrochloric acid. 43. The principle of hydrochloric acid absorption. 44. I need technical information on hydrochloric acid distillation. 45. Calculation of hydrochloric acid production volume. 46. Help in selecting a suitable reactor for hydrochloric acid synthesis. 47. 36% hydrochloric acid – two-in-one reactor. 48. Can a two-in-one hydrochloric acid reactor operate under negative pressure? 49. What material is generally used for the blower used in the electrolysis of hydrochloric acid? 50. What material is typically used for the blower used to handle hydrochloric acid exhaust gases? 51. Is it necessary to place sand at the bottom of the hydrochloric acid storage tank? 52 I would like to know how wastewater is discharged in the hydrogen transfer section of the hydrochloric acid production process. 53 Lumps on the inner wall of the graphite-based hydrochloric acid synthesis furnace have fallen off. 54 Water washing and purging plan for the pipelines in Series C of the hydrochloric acid plant. 55 What is the minimum purity required for chlorine gas used in hydrochloric acid production? 56 The control valve for the hydrochloric acid tank is located at the top of the tank; 57 it ensures that the levels in the first and second brine tanks, as well as in the high-purity hydrochloric acid FRP tank, remain within acceptable limits, with no excessive levels of calcium and magnesium ions. Is it still possible to repair the aged internal corrosion layer of the Tank 58 containing hydrochloric acid, given that there is a special solution available? 592. Steam generated as a by-product in hydrochloric acid synthesis; 60. Combined absorber used for hydrochloric acid absorption; 61. Which of these can be used to draw a schematic diagram of the process from the ion-exchange membrane electrolyzer to hydrochloric acid? 62. What should be the oxygen content control level in the chlorine used for hydrochloric acid synthesis? 63. Engineering design of hydrochloric acid synthesis plants; 64. Questions related to HCl and hydrochloric acid; 65. How to control the free chlorine content in hydrochloric acid? 66 Hydrochloric acid desorption process 67 Issues related to free chlorine in hydrochloric acid 68 Control standards for high-purity hydrochloric acid 69 Statistics on hydrochloric acid used in 100kt/a ion-exchange membrane caustic soda plants? 70 Shutdown of the hydrochloric acid production unit 71: How to remove dichloroacetic acid from the hydrochloric acid produced as a by-product in chloroacetic acid manufacturing. 72 Why does high-purity hydrochloric acid turn yellow? 73 Selection of hydrochloric acid synthesis furnaces. 74 Please help identify where the problem with hydrochloric acid dehydration in our facility lies 75 Explanation of the hydrochloric acid desorption process pipeline 76 Hydrogen from the three sets of units is sent to both the hydrochloric acid section and the hydrogenation section after passing through the hydrogen compressors; how should these compressors be operated? Is the chlorination severe in the 77 hydrochloric acid two-in-one filtration process? ? ? ? ? 78 Process design for the preparation of dilute hydrochloric acid; we hope everyone will participate actively. 79 Operating procedures for high-purity hydrochloric acid. 80 What type of flow meter can be used in hydrochloric acid synthesis to effectively control the chlorine-to-hydrogen ratio? 81 Free chlorine in hydrochloric acid. 82 Which industrial control company can provide a complete set of automatic control solutions and equipment for hydrochloric acid synthesis? 83. Flaming from the furnace door when lighting up the 3-in-1 hydrochloric acid synthesis furnace. 84. Material for high-purity hydrochloric acid pipelines. 85. DCS system for hydrochloric acid synthesis furnaces. 86. Synthesis of hydrochloric acid by combining chlorine gas and hydrogen gas. 87. What are the quality requirements for hydrochloric acid used in the ion exchange membrane process? 88. Index of hydrochloric acid. 89. A problem that occurs when shutting down the hydrochloric acid production plant; experts, please help! 90. Is it necessary to add hydrochloric acid for neutralization during the second purification stage of brine? 91. Negative pressure occurs in the organic matter separator after hydrochloric acid absorption. 92. How much hydrogen chloride is lost after conventional desorption and closed-loop circulation of hydrochloric acid? 93. What considerations should be taken when purchasing hydrochloric acid furnaces? 94 Deep desorption of hydrochloric acid 95 Is it appropriate to use hydrochloric acid desorption for new PVC projects? 96 Synthesis of hydrochloric acid 97 Exploration of the three-stage absorption process in hydrochloric acid production plants 98 What are the economic benefits of producing chlorine and hydrogen through electrolytic hydrochloric acid? 99 Steel-lined F4 pipes in the by-product hydrochloric acid process 100 Circulating hot water in the hydrochloric acid production process; determination of the amount of circulating cooling water required 101 Concentration of hydrochloric acid: #, , &