English — Forum #115 (Page 2/11)

1. How do the niacin storage tanks in various facilities balance pressure – by installing breather valves on top? ? ? - HCBBS Forum
2. What aspects need attention during a long-term shutdown of the sulfuric acid system? - HCBBS Forum
3. Seeking advice on the pressure testing method for scaled tube heat exchangers - HCBBS Forum
4. Kinematic viscosity of 50 degrees and 93% acid - HCBBS Forum
5. High inlet temperature of the SO2 fan - HCBBS Forum
6. May I ask how to clean the purification plate exchangers used in the production of acid from smelting flue gas? - HCBBS Forum
7. Design of the water addition line for the pump tank in the absorption unit - HCBBS Forum
8. How to handle 15% dilute sulfuric acid - HCBBS Forum
9. Waste acid from pyrolysis incinerators - HCBBS Forum
10. Sulfur-based acid production - HCBBS Forum
11. Acid and alkali resistance of 316L stainless steel - HCBBS Forum
12. Questions about wet-process activated carbon desulfurization - HCBBS Forum
13. To calculate the conversion rate for each layer, which parameters are needed? - HCBBS Forum
14. Hydrogen sulfide gas in the nicotinic acid storage tank - HCBBS Forum
15. Is the acid product in the secondary absorption circulation tank of the spent acid pyrolysis unit milky white? - HCBBS Forum
16. In domestic sulfuric acid plants, nicotinic acid production is accompanied by low-temperature heat recovery systems - HCBBS Forum
17. Waste acid pyrolysis process - HCBBS Forum
18. Regarding the conversion catalyst Se catalyst - HCBBS Forum
19. Determining the role of ORP in exhaust gas desulfurization - HCBBS Forum
20. How much sulfuric acid and steam can be produced - HCBBS Forum
21. What causes precipitation when concentrated sulfuric acid is diluted? - HCBBS Forum
22. Seeking manufacturers of ultra-compact sulfuric acid production equipment - HCBBS Forum
23. Sulfuric acid tank cleaning - HCBBS Forum
24. The problem of air preheater blockage in the alkylated waste acid treatment unit - HCBBS Forum
25. Requirements for no-load test run of electric demisting system - HCBBS Forum
26. Can 88% sulfuric acid and sulfur trioxide be used to produce 98% sulfuric acid? - HCBBS Forum
27. What is the component responsible for the pungent odor produced when 92% concentrated sulfuric acid is unloaded? - HCBBS Forum
28. Dear experts, scholars, and teachers, may I ask what are the platforms for publishing papers on sulfuric acid? Thank you! - HCBBS Forum
29. Construction begins on Xinjiang Yingtai Energy’s Tiemenguan sulfur-based acid production project with an annual capacity of 300,000 tons - HCBBS Forum
30. ***phenol - HCBBS Forum
31. Recommend some refractory brick construction companies - HCBBS Forum
32. Should steam or ammonia water be used first in the ammonia evaporator? - HCBBS Forum
33. Reasons for heat-induced corrosion during transformation - HCBBS Forum
34. Ion liquid desulfurization is used for sulfuric acid exhaust gas - HCBBS Forum
35. Does a nitric acid storage tank need a breather valve? - HCBBS Forum
36. Transformation heating - HCBBS Forum
37. The company plans to use lead smelting exhaust gases to produce refined acid; are there any good technologies that can yield sulfuric acid of analytical purity? Waiting online - HCBBS Forum
38. Does a low sulfur content in the shifted gas have an impact on the catalyst in the shift reactor? - HCBBS Forum
39. 300,000-ton sulfuric acid project launched! Ningxia: Investment of over 260 million yuan → - HCBBS Forum
40. What materials are best for nitric acid storage tanks and nitric acid pumps? - HCBBS Forum
41. Sulfidation reaction - HCBBS Forum
42. Installation of 98% loading flexibles - HCBBS Forum
43. There is noise near the large steam-water separator of the waste heat boiler used in sulfur-based acid production. . . (It sounds like the noise coming from the separator in the middle of the steam drum.) - HCBBS Forum
44. Does fuming sulfuric acid under GB 18218 version 18 no longer fall under the category of substances that require identification as major hazard sources? - HCBBS Forum
45. Sublimated sulfur is produced in the acid production process from zinc concentrate flue gas - HCBBS Forum
46. The Cammyd process in Canada? ? - HCBBS Forum
47. Which brand is good for cooling slag discharge rollers? - HCBBS Forum
48. Enthalpy value lookup - HCBBS Forum
49. Corrosion issues in the regeneration and incineration of spent acid - HCBBS Forum
50. Sulfuric Acid Engineering, 1954 edition – does anyone have an electronic version? Seeking help is needed - HCBBS Forum
51. Abnormal noise from the sulfuric acid production blower - HCBBS Forum
52. Design of high-silicon stainless steel pipes for sulfuric acid - HCBBS Forum
53. Desulfurization energy consumption - HCBBS Forum
54. Looking to purchase waste sulfuric acid from chlor-alkali plants; price is negotiable - HCBBS Forum
55. How to reduce nitrogen oxides in wet sulfuric acid process exhaust gases - HCBBS Forum
56. What is the loading method for 93% concentrated sulfuric acid? - HCBBS Forum
57. Aluminum removal from spent acid, acid recovery process. - HCBBS Forum
58. How about using hydrogen peroxide for desulfurization and humidification in sulfuric acid exhaust gas treatment? - HCBBS Forum
59. Concentrated sulfuric acid above 98.5 will precipitate - HCBBS Forum
60. Sodium sulfate electrolysis equipment - HCBBS Forum
61. Steam generated from the production of sulfuric acid from acidic gases - HCBBS Forum
62. The issue of circulating acid volume in the drying tower - HCBBS Forum
63. May I ask where the acid gas pipelines drawn from the three dry absorption tanks in each sulfuric acid plant are sent? - HCBBS Forum
64. Regarding exhaust emissions - HCBBS Forum
65. The issue of flue gas concentration in sulfuric acid production - HCBBS Forum
66. The new smoke emission standards are to be implemented - HCBBS Forum
67. Regarding the issue of air intake through manholes in the horizontal flue pipes at the inlet of the primary scrubber - HCBBS Forum
68. G4, G5 grade electronic-grade sulfuric acid technology - HCBBS Forum
69. 【Wet Process】Flue gas desulfurization technology - HCBBS Forum
70. Who can send me the industrial standards for corrosion and scale inhibition agents used in industrial circulating water? Thank you - HCBBS Forum
71. Introduction to Xuanda SD Series Materials Resistant to Sulfuric Acid Corrosion - HCBBS Forum
72. Is there a relationship between the converter temperature and the air volume at the fan inlet? - HCBBS Forum
73. Wastewater COD treatment manufacturers - HCBBS Forum
74. What are the precautions when producing fuming sulfuric acid? - HCBBS Forum
75. Guizhou’s phosphating industry is reshaping the industry landscape: including projects such as 600,000 tons of iron phosphate and 150,000 tons of lithium carbonate - HCBBS Forum
76. Production of refined sulfuric acid - HCBBS Forum
77. NOx content indicators in the exhaust gas of the WSA sulfuric acid production process and their causes - HCBBS Forum
78. Waste heat boiler for sulfuric acid production from pyrite - HCBBS Forum
79. Why was Nanhua’s sulfuric acid production limited to Series 7 only? - HCBBS Forum
80. Fire hazard classification in waste acid regeneration units - HCBBS Forum
81. In the production of acid from pyrite, what emergency measures should be taken for the furnace in case of a sudden power outage? - HCBBS Forum
82. Which acid expert has a setup for vanadium-filtering catalysts? - HCBBS Forum
83. Supply issues with Mengmok catalysts - HCBBS Forum
84. Precautions for the acceptance of closed-type cooling towers. - HCBBS Forum
85. Who has the safety operating procedures for niacin? Please share them, thanks - HCBBS Forum
86. What does the pole pitch of an electric demister mean? - HCBBS Forum
87. Compilation of Boiler Accident Cases - HCBBS Forum
88. The damage of dust to catalysts in flue gas acid production - HCBBS Forum
89. Dear teachers, how to prepare 100% sulfuric acid - HCBBS Forum
90. How to ensure the efficient and stable operation of electric mist removal to reduce exhaust fumes - HCBBS Forum
91. Discuss an issue that is not closely related to sulfuric acid production but is yet inseparably linked to it - HCBBS Forum
92. Adjusting the temperature of each catalyst layer in the acid production process from smelting flue gas using the temperature difference method - HCBBS Forum
93. For the purification and concentration of waste sulfuric acid, which companies have excellent technology? Please provide some recommendations. - HCBBS Forum
94. Can bottom drain trays be installed in tanks storing 300m3 of 90wt% and 98% concentrated sulfuric acid? - HCBBS Forum
95. Application of cast iron pipes in sulfuric acid engineering - HCBBS Forum
96. The issue of the installation elevation for the condensate pump in fully condensed steam turbines - HCBBS Forum
97. What are the uses of sodium sulfate? - HCBBS Forum
98. Manufacturers of complete sulfuric acid production equipment? - HCBBS Forum
99. Waste acid recovery - HCBBS Forum
100. Contract for the operation of converters in sulfuric acid plants - HCBBS Forum