English — Forum #115 (Page 8/11)

1. Who has an electronic version of the book Modern Sulfuric Acid Operation and Technology Guide? - HCBBS Forum
2. Treatment of sulfuric acid exhaust gas with hydrogen peroxide - HCBBS Forum
3. Problems and solutions in hydrogen peroxide desulfurization - HCBBS Forum
4. The color of the finished sulfuric acid turns yellow-green - HCBBS Forum
5. Can seamless steel tubes be used for the tubes of acid coolers? - HCBBS Forum
6. Regarding the maintenance of converters - HCBBS Forum
7. If anyone knows the technicians from Tangshan Jinkun’s sulfuric acid plant, please get in touch with me. - HCBBS Forum
8. Commissioning and design for the sulfuric acid project! - HCBBS Forum
9. Solving issues related to sulfuric acid as a catalyst - HCBBS Forum
10. boiling roasting - HCBBS Forum
11. Is it necessary to install a vent valve on sulfuric acid tanks? - HCBBS Forum
12. The secondary voltage of the electrostatic precipitator is low while the secondary current is high. - HCBBS Forum
13. What causes thick white smoke from wet acid production exhaust gases? - HCBBS Forum
14. On the concentration of the acid produced by the wet acid production method as well - HCBBS Forum
15. Principle of concentrated acid absorbing water and sulfur trioxide - HCBBS Forum
16. Why does an electric demister discharge when its speed is increased? - HCBBS Forum
17. Concentrated acid pump sump water seal - HCBBS Forum
18. How to utilize smelting acidic waste - HCBBS Forum
19. What range should the vibration levels of motors and pumps be kept within? - HCBBS Forum
20. Problem of niacin smoke recovery - HCBBS Forum
21. I was wondering if there are any sulfuric acid plants that have carried out modifications to their electrostatic mist eliminators due to high internal resistance. If so, I would like to ask a few questions. Thank you - HCBBS Forum
22. Discussion on Leak Sealing Techniques for Dry Absorption Tower Tank Casing - HCBBS Forum
23. Sulfuric acid equipment engineer - HCBBS Forum
24. Gas specific heat capacity - HCBBS Forum
25. Haolunko Chemical has obtained a patent for a device that facilitates the sulfonation reaction using sulfur trioxide - HCBBS Forum
26. Bubbling and foaming occur during sulfur fixation melting - HCBBS Forum
27. Reasons for controlling an oxygen-deficient atmosphere at the burner of the waste acid incinerator - HCBBS Forum
28. Consultation on the design plan for the sulfuric acid An project - HCBBS Forum
29. Are quartz tubes and ceramic bottles used in electric mist eliminators? - HCBBS Forum
30. Application of structured packing in low-temperature heat recovery towers - HCBBS Forum
31. Production of acid from smelting flue gas - HCBBS Forum
32. Under what conditions will excessive acid concentration of over 98.1 result in significant exhaust emissions? - HCBBS Forum
33. I need the operating procedures for the WSA wet acid production process - HCBBS Forum
34. In a sulfuric acid plant, does a trip of the boiler feed water pump require shutdown? - HCBBS Forum
35. The first phase of the 300,000 tons per year wet phosphoric acid and water-soluble fertilizer production project at Yingkou Jianfa Shenghai Non-ferrous Chemicals for the refinement of phosphoric acid and iron phosphate precursors has commenced operations - HCBBS Forum
36. Why is the liquid level gauge at the boiler site showing full water? - HCBBS Forum
37. The damage of fluorine (F) to catalysts in flue gas acid production - HCBBS Forum
38. Preparation method of food additive sulfuric acid - HCBBS Forum
39. Is it necessary to install a flame arrester on the top of a stainless steel sulfuric acid storage tank? - HCBBS Forum
40. Which is the best sulfuric acid plant in China at the moment? I would like to visit it and learn from it! - HCBBS Forum
41. Recycling of acid-washing wastewater from quartz sand - HCBBS Forum
42. Is static grounding and the elimination of human body static electricity required for the loading/unloading, pipeline transportation, and storage of concentrated sulfuric acid and liquid caustic? - HCBBS Forum
43. Equipment upgrade project for the 400,000 tons/year sulfur-based sulfuric acid production plant at Anhui Jinxing Titanium Dioxide (Group) Co., Ltd - HCBBS Forum
44. Help needed: I have PID settings for Mengmoke waste acid regeneration pyrolysis furnaces and waste heat boilers, as well as high-temperature superheaters. Please share them - HCBBS Forum
45. Dear acid industry professionals, let’s discuss the hazard of positive pressure occurring at the inlet of the flue gas purification system when using smelting flue gas to produce acid - HCBBS Forum
46. According to market demand, the company plans to produce 95.5% concentrated sulfuric acid. Is the technology feasible? - HCBBS Forum
47. The sulfur melting system generates a lot of dust; how to deal with it? - HCBBS Forum
48. 2018 Hangzhou Proceedings - HCBBS Forum
49. Moisture - HCBBS Forum
50. 【Ten Years of Rapid Development in Chemical Equipment】1749–2015: The World’s First Unit for the Purification of Waste Sulfuric Acid Produced by the High-Temperature Pyrolysis of Calcium Carbide to Produce Acetylene - HCBBS Forum
51. Deposit at the bottom of the 98% sulfuric acid tank - HCBBS Forum
52. The detours we, the frustrated people of those years, took - HCBBS Forum
53. catalyst - HCBBS Forum
54. Purpose of installing a water seal in the dry absorption process for acid production from pyrite, as well as operation and maintenance considerations - HCBBS Forum
55. The pile foundation construction for the 73 billion yuan Guizhou Bijie phosphorus-coal chemical integration project has commenced - HCBBS Forum
56. Materials for electronic-grade sulfuric acid valves and pipelines - HCBBS Forum
57. Characteristics of gas flow distribution in the shell side of a scaled tube heat exchanger - HCBBS Forum
58. Sulfur trioxide absorption tower - HCBBS Forum
59. Topso Wet Acid Production Method Discussion Group - HCBBS Forum
60. How to remove sulfate and F ions from wastewater in an economical and efficient manner - HCBBS Forum
61. Chlorine bleach was accidentally added to the acid waste tank; how can the white foam be removed? - HCBBS Forum
62. Converter bed pressure difference - HCBBS Forum
63. Has anyone inspected the quality of acid-resistant brick masonry using a 5x magnifying glass? - HCBBS Forum
64. Domestic energy saving news Sichuan sulfuric acid plant waste heat power generation Sichuan sulfuric acid plant 110,000 tons/year pyrite acid production system, manufactured by Chemical Industry - HCBBS Forum
65. [Lessons from Others] Turning waste into resources: How technology generates benefits – A documentary on Lubei Chemical’s efforts in producing sulfuric acid from gypsum and titanium dioxide via the chlorination process 　 - HCBBS Forum
66. Sulfur-based sulfuric acid production process - HCBBS Forum
67. Discussion on leak handling in cryogenic recovery equipment - HCBBS Forum
68. Flue gas inlet direction of the sulfuric acid electrodemister - HCBBS Forum
69. I’d like to ask the experts here - HCBBS Forum
70. Process for producing acid from high-concentration sulfur dioxide - HCBBS Forum
71. I would like to ask what material the water supply pipe that is inserted under the acid level in the acid circulation tank is made of - HCBBS Forum
72. 【Ten Years of Rapid Development in Chemical Equipment】The world’s first pilot-scale unit for vapor iodine recovery was successfully commissioned between 1682 and 2014 - HCBBS Forum
73. How to evaluate the performance of the acid distributor in the drying and absorption tower of a acid-making plant - HCBBS Forum
74. Reasons for acidity at the fan outlet - HCBBS Forum
75. Problem of blocked meteorological line in the pump tank of the absorption unit - HCBBS Forum
76. Toxic gas alarms must be installed in the sulfuric acid fuming storage area; which specification can be referred to for this? - HCBBS Forum
77. Vanadium acid catalyst produced by the South China wet process has been put into use - HCBBS Forum
78. Seek advice on the precautions for using a sulfuric acid diluter. - HCBBS Forum
79. Staffing for sulfuric acid plant - HCBBS Forum
80. The medium-pressure feed water pump stops suddenly – how should the operator respond? Is it necessary to stop? - HCBBS Forum
81. Venting of the distillation tank - HCBBS Forum
82. Anti-freezing for sulfuric acid storage tanks - HCBBS Forum
83. Selection of the dry absorption process - HCBBS Forum
84. Regarding the vibration at the outlet of the SO2 fan - HCBBS Forum
85. Reason for the whitening of concentrated sulfuric acid - HCBBS Forum
86. How to increase steam production under current production conditions while saving energy and reducing consumption - HCBBS Forum
87. Feasibility study on nitrogen-pressure transfer of liquid sulfur unloading - HCBBS Forum
88. Hydrogen peroxide desulfurization - HCBBS Forum
89. Which company designs and manufactures liquid sulfur spray guns? - HCBBS Forum
90. The issue of producing acid from pyrite - HCBBS Forum
91. How are SO2 waste gases from industrial sulfuric acid production treated? - HCBBS Forum
92. Which is better for a sulfuric acid heating furnace? - HCBBS Forum
93. Efficiency of MCU in WSA - HCBBS Forum
94. How to fill and drain water from acetylene positive and negative water seal tanks - HCBBS Forum
95. The hazards of high NOx levels in acidic gases after combustion - HCBBS Forum
96. Electrostatic demister - HCBBS Forum
97. Wengfu Chemical’s project for producing 500,000 tons of sulfuric acid via the conversion of minerals to sulfones began trial operation in mid-July - HCBBS Forum
98. Calculations for adiabatic evaporation with sulfuric acid purification - HCBBS Forum
99. Filter tank level gauge - HCBBS Forum
100. The issue with the calibration of oxygen concentration meters at Nanhua Institute - HCBBS Forum