English — Forum #115 (Page 4/11)

1. Preparatory work has begun in Inner Mongolia for the construction of a 500,000-ton/year plant for concentrated hydrogen peroxide and a 300,000-ton/year plant for sodium chlorate - HCBBS Forum
2. What is the reason for excessive production of black sulfonic acid in sulfonated electrostatic mist eliminators? - HCBBS Forum
3. What impact does excessively high acid temperature have on equipment and facilities? - HCBBS Forum
4. GF - HCBBS Forum
5. Analysis method for chloride ions in sulfuric acid - HCBBS Forum
6. Songzi Stanley Yihua New Materials has successfully established a complete industrial chain covering phosphate mines, phosphate chemical products, and phosphate fertilizers - HCBBS Forum
7. I haven’t been here for a long time - HCBBS Forum
8. How long can a new sulfuric acid plant remain unoperational? How to maintain a newly built sulfuric acid plant that has not yet started operation? - HCBBS Forum
9. Removal of nitrate ions from dilute sulfuric acid - HCBBS Forum
10. Urgently need to purchase a directory of sulfuric acid manufacturers across the country, or a directory of companies in the chemical industry - HCBBS Forum
11. The price of sulfur, a basic chemical raw material, surged by over 115% within one year, with the spot price reaching 3,330 yuan per ton - HCBBS Forum
12. The issue of new catalysts - HCBBS Forum
13. Which type of sodium silicate is used for fluoride removal in smelting and purification? - HCBBS Forum
14. Passed the final review for high-quality posts - HCBBS Forum
15. Manufacturers that use internal circulation for temperature rise in the conversion process - HCBBS Forum
16. Sulfuric acid process calculation == Haichuan shared version, no registration required == Please go to floor 1 to download== - HCBBS Forum
17. A way to deal with about 500 tons of sulfur dioxide emitted each year - HCBBS Forum
18. How to deal with the continuous increase in bottom pressure in a boiling furnace - HCBBS Forum
19. Chimney installation qualifications - HCBBS Forum
20. 28% of exports and purchases of fuming sulfuric acid - HCBBS Forum
21. Production process of electronic-grade sulfuric acid - HCBBS Forum
22. Reasons for discharge in purification electrostatic demisters and troubleshooting methods - HCBBS Forum
23. Are the lean liquid and rich liquid corrosive? - HCBBS Forum
24. Why is the interlock setting for low liquid levels set so high? - HCBBS Forum
25. Can the sulfuric acid obtained from the regeneration of alkylated waste acid be used in the circulating water system? - HCBBS Forum
26. Analysis of the reasons for catalyst scarring in the middle and lower layers during conversion - HCBBS Forum
27. Ionic liquid desulfurization - HCBBS Forum
28. Ore blending for sulfuric acid production from pyrite - HCBBS Forum
29. Drying design for sulfuric acid storage tank breathers - HCBBS Forum
30. Persistent leakage in the outlet pipeline of the high-efficiency humidifier circulation pump - HCBBS Forum
31. Lined with PTFE magnetic flap - HCBBS Forum
32. Is it feasible to use a economizer to cool the conversion gas in order to generate steam? - HCBBS Forum
33. Exchange on WSA wet acid production process and equipment - HCBBS Forum
34. Calculation of liquid level in the dry absorption cycle tank - HCBBS Forum
35. Longbai Group has obtained a patent for an iron-removal device used in the production of titanium dioxide via the sulfuric acid method - HCBBS Forum
36. In 2025, China’s titanium dioxide production capacity and output both declined for the first time - HCBBS Forum
37. Dear acid industry peers, let’s discuss the usage of overflow weirs in your own factories or those you have visited - HCBBS Forum
38. Sulfur recovery solvent regeneration - HCBBS Forum
39. Are there any manufacturers that produce liquid sulfur jacketing? - HCBBS Forum
40. Finding the cause of an evaporator leak - HCBBS Forum
41. In addition to electric furnaces, converted start-up furnaces can also be heated using diesel or natural gas. Are there any materials available on design and selection in this regard? - HCBBS Forum
42. Who has the proceedings of the 2025 sulfuric acid industry annual conference? - HCBBS Forum
43. Wastewater treatment - HCBBS Forum
44. Yellow smoke remover using nitric acid, nitrogen oxide remover – an excellent tool for flue gas abatement systems, available at a great price - HCBBS Forum
45. Scaling due to the concentration of waste dilute sulfuric acid to produce industrial acid - HCBBS Forum
46. Roasting of cobalt copper sulfide ore - HCBBS Forum
47. GBT 12145-2016 standard - HCBBS Forum
48. Recycling of used catalysts? - HCBBS Forum
49. Sublimed sulfur often appears during the purification of acid produced from pyrite - HCBBS Forum
50. Dilute acid neutralization treatment - HCBBS Forum
51. Please tell me about the process of co-producing sulfuric acid and sodium hydroxide through sodium sulfate electrolysis. - HCBBS Forum
52. Sulfuric acid, rapid cooling, arsenic removal - HCBBS Forum
53. Achieve zero emissions from the exhaust gases of the 105 acid storage tank - HCBBS Forum
54. What are the hazards associated with a economizer outlet temperature of 305°C and a boiler inlet pressure of 3.56 MPa? - HCBBS Forum
55. Looking for contact information for sulfuric acid factories around Suining, Sichuan - HCBBS Forum
56. 【Ten Years of Rapid Development in Chemical Equipment】1783–2014: China’s first heat recovery phosphoric anhydride production facility went into operation - HCBBS Forum
57. Purification of dilute magnesium acid salt for fluoride removal - HCBBS Forum
58. Look for a job - HCBBS Forum
59. Questions regarding the sulfuric acid storage tank - HCBBS Forum
60. What material is used for sulfur dioxide gas transmission pipelines? - HCBBS Forum
61. Effect of adding hydrogen peroxide to concentrated sulfuric acid on geometry - HCBBS Forum
62. It’s so quiet! - HCBBS Forum
63. What is a boiler evaporator? - HCBBS Forum
64. Dry-absorbed acid, as well as refined acid, turns completely white - HCBBS Forum
65. Seeking advice on acid-resistant bricks for pump chambers in Mengmok SAR units - HCBBS Forum
66. I’m looking for manufacturers that specialize in quartz glass distillation equipment - HCBBS Forum
67. Electrostatic mist eliminators are used for ultra-low emissions in desulfurization – could simple water vapor cause an overload? - HCBBS Forum
68. The flame detection signal for the spent acid pyrolysis project is abnormal - HCBBS Forum
69. WSA waste pot blockage - HCBBS Forum
70. Seeking advice from experts on forums: how to calculate the dosage of pH adjusters? - HCBBS Forum
71. Question: What material is suitable for the acid transfer pipeline inside the dry absorption triple tank? - HCBBS Forum
72. Low-temperature waste heat recovery device - HCBBS Forum
73. The pump disc in the 98% acid underground tank will not move - HCBBS Forum
74. Soprenew Materials plans to acquire Sopre Group’s sulfuric acid assets - HCBBS Forum
75. Sulfuric acid fire hazards - HCBBS Forum
76. Can 98 acid be handled using 304 pipes and tanks? - HCBBS Forum
77. Color of sulfuric acid - HCBBS Forum
78. The issue of hydrogen peroxide consumption for desulfurization - HCBBS Forum
79. Successful cases of scaling inhibition in sulfuric acid systems - HCBBS Forum
80. What is the difference between TV and HC in valve PID control? - HCBBS Forum
81. Scaling at the feed port of the roasting furnace and its treatment - HCBBS Forum
82. Issues with anode protection parameters for dry acid coolers - HCBBS Forum
83. Construction begins on the EPC project for a 1.5 million tons/year phosphogypsum purification facility in Hubei Huiyang - HCBBS Forum
84. For 99.4% sulfuric acid (H2SO4) at a temperature of 210°C, what type of valve material is suitable? - HCBBS Forum
85. Is water quality testing for acid-producing boilers considered a special type of work? - HCBBS Forum
86. Enter a new stage of development! The sulfuric acid industry is transitioning toward higher-end development, intelligence, and sustainability - HCBBS Forum
87. Catalytic desulfurization of sulfuric acid exhaust gases - HCBBS Forum
88. Looking for design examples of desulfurization towers or seeking the inlet installation heights for slurry circulation pumps and gypsum slurry pumps - HCBBS Forum
89. Does anyone know anything about sulfuric acid technology? - HCBBS Forum
90. How does the acid concentration meter used for online monitoring of sulfuric acid determine the acid concentration? - HCBBS Forum
91. Leakage in the low-temperature waste heat recovery heat exchanger for sulfuric acid - HCBBS Forum
92. Calculate the material balance for the process of producing acid by cracking spent sulfuric acid - HCBBS Forum
93. Pressure on the sulfur industry chain has increased sharply - HCBBS Forum
94. Please explain the concept of catalyst loading - HCBBS Forum
95. Looking for a manufacturer of dual-color level gauges in Zhangjiagang. - HCBBS Forum
96. Looking for a schematic diagram of the acid production conversion process at Jin Guan in Tongling, Anhui? - HCBBS Forum
97. Pipeline resistance calculation - HCBBS Forum
98. Magnetic energy whitening: A new approach for ultra-clean purification of yellow phosphorus exhaust gases - HCBBS Forum
99. Some issues regarding acid mist - HCBBS Forum
100. Dilute sulfuric acid concentration detection instrument - HCBBS Forum