English — Forum #115 (Page 6/11)

1. The acid production process using zinc concentrate flue gas generates heavy smoke; online particle levels are above the allowed limits – a solution is needed - HCBBS Forum
2. Sulfuric acid production technology - HCBBS Forum
3. On the impact of sulfuric acid on the environment - HCBBS Forum
4. Acid gas combustion - HCBBS Forum
5. Why is the concentration accuracy of drying acid and absorbing acid important? - HCBBS Forum
6. Seeking help regarding the use of thiourea method for gold extraction – why does the addition of alkali result in precipitation? - HCBBS Forum
7. Excessive residual acid in solid raw materials leads to high costs for neutralizing it; is it possible to decompose sulfuric acid at high temperatures? - HCBBS Forum
8. With an annual production of 80 million tons, the industry is actively exploring new ways to utilize phosphogypsum - HCBBS Forum
9. I have a question regarding the screening mesh used for sorting roasted ore particle sizes - HCBBS Forum
10. Volume fraction of sulfuric acid mist equivalent to moisture in flue gas - HCBBS Forum
11. Seek help in calculating the specific heat of the gases constituting the conversion system - HCBBS Forum
12. How to deal with the problem of easy damage to the regenerative air preheater? - HCBBS Forum
13. Which processes and which equipment are required to use hydraulic systems in the acid production process? - HCBBS Forum
14. Which are the design institutes in China that specialize in the treatment of waste acid? - HCBBS Forum
15. Converter manhole - HCBBS Forum
16. Sulfuric acid: the world’s largest production scale - HCBBS Forum
17. Quick method for detecting corrosion-induced leaks in heat exchangers using heat pipes - HCBBS Forum
18. Why does the moisture content in liquid sulfur exceed the limit? - HCBBS Forum
19. Large temperature differences at the bottom of the boiling furnace - HCBBS Forum
20. Transport radius of liquid sulfur: solid sulfur or liquid sulfur? - HCBBS Forum
21. What can the SO2 concentration at the outlet of the sulfur incinerator be? - HCBBS Forum
22. Used for online concentration measurement of purified dilute acid in acid production processes - HCBBS Forum
23. Hunan Petrochemical optimizes sulfur-based acid production process to reduce costs and improve efficiency - HCBBS Forum
24. Used equipment - HCBBS Forum
25. Which pyrite desulfurization absorption method has lower operating costs? (Ionic liquids, sodium citrate, etc.) - HCBBS Forum
26. In the mixed acid mixer, why is water added from the top and sulfuric acid added from the middle? - HCBBS Forum
27. Do you have any friends from Fujian? What is the recent ex-plant price of sulfuric acid in Fujian? - HCBBS Forum
28. Air leakage from the grating of the boiling furnace causes frequent shutdowns of the equipment - HCBBS Forum
29. Who has a graph of the cooler’s cold-air cooling curve? Please send it to me, thanks - HCBBS Forum
30. Reasons for the different layer sequences in each flue gas sulfuric acid production converter - HCBBS Forum
31. Help: Material balance for recycled waste sulfuric acid - HCBBS Forum
32. Sulfur-containing substances – which ones have stringent filtration requirements? - HCBBS Forum
33. On the control of excessive smoke from vehicle exhausts - HCBBS Forum
34. Ionic liquid desulfurization - HCBBS Forum
35. How much fuel is consumed during the heating up for conversion? - HCBBS Forum
36. Function of electric demister - HCBBS Forum
37. Discussion on the use of sight glasses in the purification of acid production from smelting flue gas - HCBBS Forum
38. The moisture level at the fan outlet is high, allowing condensate acid to be drained out (about 4 kilograms is drained each time after shutdown) - HCBBS Forum
39. The primary power supply to the substation, a key supporting facility for Wengfu Chemical’s 300,000 tons per year wet-process phosphoric acid purification plant project, has been successfully established - HCBBS Forum
40. Alkylation concentrated acid storage tank - HCBBS Forum
41. Incineration with dilute sulfuric acid - HCBBS Forum
42. The impact of HRS on the startup rate of acid production units - HCBBS Forum
43. I’d like to ask about the service life of the converter. - HCBBS Forum
44. Sulfuric acid production - HCBBS Forum
45. Seek an emergency response plan for sulfur dioxide leaks.. - HCBBS Forum
46. Which process is the most cost-effective for concentrating 70% sulfuric acid to 90%? - HCBBS Forum
47. Seek help: material selection for dilute sulfuric acid storage tanks - HCBBS Forum
48. 【Payment on behalf of others】Pei Qinghua----2017 Work Summary: Sulfuric Acid Plant Construction (Statistics completed) - HCBBS Forum
49. Issues regarding the qualifications for on-site construction of large atmospheric pressure storage tanks - HCBBS Forum
50. How to achieve compliant emissions of sulfuric acid mist - HCBBS Forum
51. What are some good treatment methods for the neutralization slag generated during the treatment of acidic wastewater? How can the leachate from neutralization slag be made to meet the standards? - HCBBS Forum
52. The boiler water has hardness - HCBBS Forum
53. Problems with sulfuric acid valves - HCBBS Forum
54. Flue gas desulfurization - HCBBS Forum
55. Investigation on the white powder in the flue gas at the outlets of the first absorption tower and the second absorption tower - HCBBS Forum
56. For example, when preparing 5% hydrochloric acid, how (can one find out) the mass of hydrochloric acid per liter? - HCBBS Forum
57. How is 99.8% hydrochloric acid produced on an industrial scale? - HCBBS Forum
58. Guidance and exchange on WSA wet acid production technology - HCBBS Forum
59. Addition of hydrogen peroxide stabilizer - HCBBS Forum
60. The comprehensive set of technologies for the green utilization of phosphogypsum through steam-hot water hydrothermal transformation developed by Liu Guo Chemical has been selected as a \"national-level\" technology” - HCBBS Forum
61. Proceedings of the 2023 Annual Conference - HCBBS Forum
62. Oxygen for acid production - HCBBS Forum
63. Practical Manual on Sulfuric Acid Production Process, Equipment Installation and Construction Techniques, as well as Quality Inspection and Testing Standards - HCBBS Forum
64. Issues with the setup of SO2 toxic gas detectors - HCBBS Forum
65. How to export 98 sulfuric acid - HCBBS Forum
66. Is there anyone who can share the proceedings of the 2024 industry annual conference? - HCBBS Forum
67. Dry absorption process: What material are the exhaust pipelines for the drying cycle tank, the first absorption cycle tank, and the second absorption cycle tank made of? ? - HCBBS Forum
68. How to avoid excessive exhaust emissions while driving: hydrogen peroxide used for exhaust desulfurization. - HCBBS Forum
69. How should a newly built 5,000-ton acid storage tank be inspected for leaks? - HCBBS Forum
70. Is there hydrogen sulfide in concentrated sulfuric acid? - HCBBS Forum
71. When sulfuric acid is produced from pyrite, black spots appear in the dried acid – what could be the cause? - HCBBS Forum
72. What factors determine the actual service life of a catalyst? - HCBBS Forum
73. It is strictly prohibited to supply power to the electric demister for extended periods with no load - HCBBS Forum
74. Electrical heating of flue gas in the sulfuric acid production process from pyrite - HCBBS Forum
75. Sulfur-based acid production: 3 – Fan trip - HCBBS Forum
76. Xinjiang Yingtai Energy’s sulfur-based acid production project came online - HCBBS Forum
77. Are there any manufacturers that produce 0.5m3 bucket elevators? - HCBBS Forum
78. If you need a vapor-liquid filter and a foam-breaking net, please contact me. - HCBBS Forum
79. Boiling point of fuming sulfuric acid - HCBBS Forum
80. Application cases of Albin hose pumps for transporting viscous and crystallizable media - HCBBS Forum
81. Seeking good waste sulfuric acid treatment processes or partners - HCBBS Forum
82. Please, experts, take a look and help identify what kind of solution this is. - HCBBS Forum
83. China’s phosphorus chemical industry is moving toward “quality-driven development” - HCBBS Forum
84. Which acid production plant installs foam catchers at the chimney inlet? - HCBBS Forum
85. Measurement of moisture after dry adsorption drying - HCBBS Forum
86. Sulfuric Acid Factory - HCBBS Forum
87. Wuhan Guanghua Institute and Wuhan Weiming White Phosphorus Sign Agreement for New Technology to Produce Organic Phosphates Without Chlorination - HCBBS Forum
88. Converter three-for-condensing acid - HCBBS Forum
89. Electric heating furnace - HCBBS Forum
90. Sulfur dioxide concentrator and gas flow meter - HCBBS Forum
91. Is it necessary to install an internal blockage valve at the acid outlet at the bottom of the sulfuric acid storage tank? - HCBBS Forum
92. Regarding the issue of gas concentration - HCBBS Forum
93. What are good methods to reduce scaling on the plates of plate-type heat exchangers? - HCBBS Forum
94. How to purify sulfuric acid AN from an ammonia-sulfuric acid AN aqueous solution - HCBBS Forum
95. Does the flue gas enter the converter from the upper or lower part of each catalyst layer? - HCBBS Forum
96. How to calculate the length of the steel belt in a granulator - HCBBS Forum
97. Construction begins on the 5 billion yuan Okra Chemical New Materials project in Yaojiagang, Zhijiang City - HCBBS Forum
98. Can the waste acid regeneration system’s waste heat boiler and preheater be cleaned automatically? - HCBBS Forum
99. Looking for references to property data related to sulfuric acid; guys, please share - HCBBS Forum
100. Material of pipelines for transporting sulfuric acid - HCBBS Forum