English — Forum #115 (Page 3/11)

1. Books on wet acid production - HCBBS Forum
2. Switch from sulfur burning furnace to natural gas for heating - HCBBS Forum
3. Sulfuric acid production process technology - HCBBS Forum
4. co-firing - HCBBS Forum
5. Changes in manufacturers attending the sulfuric acid annual conference in recent years - HCBBS Forum
6. 【Ten Years of Rapid Development in Chemical Equipment】1636–2021: Development of the First Intelligent Phase-Separation Machine for Titanium Gypsum Completed - HCBBS Forum
7. How to produce sulfuric acid from waste dilute sulfuric acid - HCBBS Forum
8. Jindal Guizhou Zhengphospho Chemical Co., Ltd. has two phosphogypsum-based acid production lines, one of which has been converted into a sulfur-based acid production line - HCBBS Forum
9. Dilute sulfuric acid has a problem with crystal precipitation - HCBBS Forum
10. Looking for the PDF of “Sulfuric Acid Production Worker” - HCBBS Forum
11. I would like to ask for ways to reduce the formation of sulfates in the process of converting sulfur recovery waste gas into sodium sulfite - HCBBS Forum
12. Dry acid production process: What are the useful applications of dilute sulfuric acid in the purification stage? - HCBBS Forum
13. Temperature control for heating in the alkylation waste sulfuric acid pipeline? - HCBBS Forum
14. Control of nitrogen oxides in waste acid regeneration units - HCBBS Forum
15. Calculation of the residence time in the reaction vessel - HCBBS Forum
16. Domestic market situation and scale of liquid sulfur dioxide - HCBBS Forum
17. Insights into mass transfer in chemical processes - HCBBS Forum
18. Let’s discuss under what circumstances the smelting of acids can result in the formation of elemental sulfur - HCBBS Forum
19. Vibrating screen - HCBBS Forum
20. Dilution of concentrated sulfuric acid - HCBBS Forum
21. The Yuxiang Populus euphratica 2# Nitric Acid Waste Heat Recovery Project was successfully commissioned in one attempt - HCBBS Forum
22. Solutions to tailing of flue gas from ammonia-based desulfurization (ammonia escape) - HCBBS Forum
23. Does anyone have a flowchart showing the process by which solid sulfur melts into a liquid stream? - HCBBS Forum
24. Why is hot air backblowing performed before a long-term shutdown of the converter in flue gas acid production? - HCBBS Forum
25. Effects of high sulfur dioxide concentrations - HCBBS Forum
26. The different concepts of acid mist and acid foam - HCBBS Forum
27. Is it appropriate to use MVR to concentrate 15% dilute sulfuric acid to 35%? - HCBBS Forum
28. Process package for the regeneration of alkylated waste acid - HCBBS Forum
29. Mechanical completion of Wengfu Chemical’s project to convert mines into sulfuric acid production facilities - HCBBS Forum
30. Is the yield of sulfur trioxide produced from pyrite higher or that from copper smelting? - HCBBS Forum
31. How to convert dilute sulfuric acid into concentrated sulfuric acid - HCBBS Forum
32. Absorption of SO3 by concentrated sulfuric acid, Aspen simulation - HCBBS Forum
33. Stainless steel corrosion - HCBBS Forum
34. Hangzhou Jihua Jiangdong Chemical has applied for a patent for a method of producing nitrosyl sulfate with improved production safety - HCBBS Forum
35. Multidimensional precision proportioning low-temperature sulfur-burning furnace and its high-temperature sulfur gas washing and cooling system - HCBBS Forum
36. For the pyrite roasting furnace, new grating panels have been installed; after these panels were assembled, there are large gaps between them - HCBBS Forum
37. Application limitations of structured packing - HCBBS Forum
38. What is the process manual for producing 98% concentrated sulfuric acid from copper smelting flue gas? - HCBBS Forum
39. Does anyone have relevant information on the ionic liquid circulation absorption desulfurization and desalination system? - HCBBS Forum
40. Dear acid enthusiasts, regarding the pre-conversion system - HCBBS Forum
41. The impact of high gas concentration on the device - HCBBS Forum
42. What to do if the sulfuric acid plant has a persistent high temperature? - HCBBS Forum
43. Slightly open the idle operation inlet of the converter fan; positive pressure is generated - HCBBS Forum
44. How to calculate the conversion rate of each section of the converter in sulfuric acid production? - HCBBS Forum
45. Problems in ammonia-based desulfurization and improvement methods - HCBBS Forum
46. What are the signs of a economizer leak? - HCBBS Forum
47. Solving the case of diluting concentrated sulfuric acid with water and with dilute acid - HCBBS Forum
48. Specifications for the use of concentrated sulfuric acid - HCBBS Forum
49. Sulfuric Acid Engineer - HCBBS Forum
50. Design standards for new sulfuric acid plants - HCBBS Forum
51. Preheater shared by sulfuric acid plant - HCBBS Forum
52. Safety measures for welding on concentrated sulfuric acid tanks, - HCBBS Forum
53. How to prevent blockage of the negative pressure pipe in the niacin pump tank - HCBBS Forum
54. Leshan Ruifeng Metallurgy has applied for a patent to use high-salt wastewater in the production of sodium sulfate; by-products such as calcium fluoride and sodium sulfate can be recycled as resources - HCBBS Forum
55. Have bag filters been used instead of electrostatic precipitators in sulfuric acid production? - HCBBS Forum
56. Applications of ultrasonic descaling and anti-scaling - HCBBS Forum
57. Does China have advanced conversion and heating methods for producing sulfuric acid? - HCBBS Forum
58. Processing cost of smelting acid - HCBBS Forum
59. For the acid mixing mixer (inside the pump tank), what type of bolts are suitable for the flange connections? - HCBBS Forum
60. Maximum storage capacity of sulfuric acid tank - HCBBS Forum
61. Effect of changing the downcomer size on acid spray volume - HCBBS Forum
62. Increase in pressure difference across the converter bed - HCBBS Forum
63. Is there any equipment that can detect leaks? - HCBBS Forum
64. Export of sulfuric acid products - HCBBS Forum
65. Design of sulfur melting filtration tank - HCBBS Forum
66. Problems in the design and installation of cast iron pipes - HCBBS Forum
67. Sell high-purity sodium chloride and sodium sulfate at low prices - HCBBS Forum
68. How is the low-temperature heat recovery unit for mineral acids performing? - HCBBS Forum
69. I would like to ask everyone about the direct yield of zinc concentrate in fluidized roasting at the factory - HCBBS Forum
70. In-depth Analysis of Hydrochloric Acid - HCBBS Forum
71. Catalyst for producing sulfuric acid by removing sulfur dioxide from coke oven flue gas - HCBBS Forum
72. The resistance of the wind cap in the boiling furnace gradually increases - HCBBS Forum
73. In the sodium citrate flue gas desulfurization, what are the factors affecting the aging and deterioration of the absorbent? - HCBBS Forum
74. Coal contact screening equipment - HCBBS Forum
75. Major breakthrough achieved in improving the quality of electronic-grade sulfuric acid in Hubei Xingfu - HCBBS Forum
76. The conversion system of the pyrite-based acid production plant is not operating properly, and the output does not meet the required standards - HCBBS Forum
77. Diversified alternatives in the sulfur industry chain are now on the agenda 　　 - HCBBS Forum
78. Treatment of gases released from liquid sulfur tanks - HCBBS Forum
79. Regarding the manhole on the converter - HCBBS Forum
80. Advantages of HANKUN Fluids HITORK actuators - HCBBS Forum
81. How to perform calculations for the acid-making process from acidic gases? - HCBBS Forum
82. Decolorization and reuse of by-product waste sulfuric acid - HCBBS Forum
83. Hunan Petrochemical Optimizes Acid Production Process to Ensure Supply and Improve Efficiency - HCBBS Forum
84. The 98% pure sulfuric acid, after entering the acid storage tank, appears milky white with low transparency - HCBBS Forum
85. The venturi outlet temperature is high; what could be the reasons? - HCBBS Forum
86. Which expert has course materials related to fiber mist eliminators? Thank you - HCBBS Forum
87. The 98% concentration does not meet the requirements; what should be done? - HCBBS Forum
88. When stopping acid production and using cold blowing directly, scarring occurs on the catalyst at the bottom of the first layer - HCBBS Forum
89. p-Toluenesulfonic acid mother liquor filter - HCBBS Forum
90. “Achievements in the efficient utilization of thermal energy from yellow phosphorus exhaust gases and the application of key technologies for exhaust gas treatment - HCBBS Forum
91. Recommendations for manufacturers and brands of industrial pH meters and pneumatic control valves - HCBBS Forum
92. EPC contract for the Xinxiangyun Phosphorus-based New Materials project in Wuxue City, Hubei Province signed - HCBBS Forum
93. I would like to consult the experts regarding the issue of utilizing waste acid in the purification section. - HCBBS Forum
94. Moderators, there have been no new posts in the sulfuric acid thread for months! - HCBBS Forum
95. Temperature of acidic gas at the outlet of the process gas cooler - HCBBS Forum
96. Purification of acidic waste by hydrogen sulfide treatment - HCBBS Forum
97. Hydrogen peroxide desulfurization - HCBBS Forum
98. The residual sulfur content in the acid production slag derived from pyrite is on the high side - HCBBS Forum
99. The issue of sulfuric acid concentration in acid production using the WSA process for acidic gases - HCBBS Forum
100. Inquiry about the cost of producing acid from 100,000 tons per year of lead flue gas (including the process for treating the acidic waste streams resulting from purification) - HCBBS Forum