English — Forum #440 (Page 20/21)

1. What are the key technologies in sulfur recovery units? - HCBBS Forum
2. liquid ring compressor - HCBBS Forum
3. How long can high-temperature mixing valves in sulfur plants generally be used? - HCBBS Forum
4. The sulfur market remains in a state of consolidation, with downstream factories making occasional purchases - HCBBS Forum
5. High COS content in sulfur hydrogenation exhaust gases - HCBBS Forum
6. In acidic water stripping, which one is stripped off first: H2S, CO2, or NH3? - HCBBS Forum
7. Are there any product quality standards for the liquid ammonia produced by acidic water stripping units? - HCBBS Forum
8. What is the typical COD level in acidic water? - HCBBS Forum
9. How to address the issue of excessive emissions during the shutdown of sulfur recovery units? - HCBBS Forum
10. Increased pressure of sulfur recovery in Claus process encountered in actual production - HCBBS Forum
11. Why does this phenomenon occur after the solvent in the sulfur unit is replaced? - HCBBS Forum
12. The trading atmosphere in the sulfur market is sluggish - HCBBS Forum
13. New ideas for energy savings – Creative approach: “Increasing the pressure in the liquefied gas tank of light hydrocarbon recovery units” - HCBBS Forum
14. Concentrated sulfur incinerator problem? - HCBBS Forum
15. 100- Discussion on the use of feather leaf separators for secondary steam demisters in salty wastewater evaporators, concentrators, and crystallizers - HCBBS Forum
16. What are the differences in the main components of sulfur-containing wastewater from various devices? - HCBBS Forum
17. Does anyone have dust data in the sulfur molding workshop? It is best if it is measured in real time.~~~ - HCBBS Forum
18. Is air included in the calculation of refinery dry gas density? - HCBBS Forum
19. Why is black sulfur discharged from the sulfur exhaust port of the sulfur residue tank? - HCBBS Forum
20. Dear masters, what parameter changes can be used to determine whether the reboiler is dry burning? - HCBBS Forum
21. Gas purification technology - HCBBS Forum
22. What issues need to be paid attention to when adding a desulfurization system for sulfur tail gas? - HCBBS Forum
23. The issue of excessive sulfur dioxide emissions during the start-up and shutdown of sulfur recovery units - HCBBS Forum
24. WSA sulfur recovery and Claus sulfur recovery - HCBBS Forum
25. Chemical desulfurization - HCBBS Forum
26. Optimal plan for shutdown purging of the solvent system in sulfur plants - HCBBS Forum
27. 79- Technical design of multi-factor cyclone separators as dry gas cyclone hydrocarbon removal units and dry gas cyclone liquid separation tanks in dry gas desulfurization units - HCBBS Forum
28. Is the use of oil-free dry vacuum pumps in the petrochemical industry an irreversible trend? - HCBBS Forum
29. On the online analysis system for flue gas in sulfur recovery units - HCBBS Forum
30. The burning color of sulfuric acid gas determines the combustion situation - HCBBS Forum
31. Dear masters, how to recycle and treat the stench from acidic water tanks? - HCBBS Forum
32. Determine the components of sulfur-containing exhaust gases - HCBBS Forum
33. What are the levels of hydrogen sulfide and total sulfur in the exhaust gas after hydrogenation reduction in the sulfur recovery unit, following absorption with MDEA? - HCBBS Forum
34. Why does the sulfur recovery burner not have external insulation? - HCBBS Forum
35. What are the sulfur recovery processes? - HCBBS Forum
36. Color of sulfur quench water (heavy reward) - HCBBS Forum
37. I have a question for all fellow industry professionals: what kind of jacketed butterfly valves do various companies use in their sulfur processing units? - HCBBS Forum
38. Steam production for sulfuric acid production from 220,000 tons has declined - HCBBS Forum
39. Is hydrogen recovery from low-pressure gas gas implemented? - HCBBS Forum
40. If the catalytic thermal potassium-alkali method can be used to absorb carbon dioxide, then can it be used for desulfurization as well? - HCBBS Forum
41. Sulfur recovery by low-temperature methanol washing - HCBBS Forum
42. Circulating water - HCBBS Forum
43. The water purified by the acidic water treatment system has excessive levels of sulfides and ammonia nitrogen - HCBBS Forum
44. Sulfur market trade conditions are light - HCBBS Forum
45. Sulfur price on February 16, 2017 - HCBBS Forum
46. Will adding ammonia-burning burners to the sulfur Claus section have any effect on the NOx in the tail gas? - HCBBS Forum
47. Who has the version of Chemical Engineering Principles by Zhong Li? - HCBBS Forum
48. What are some good brands for food-grade oxygen or carbon dioxide gas compressors? - HCBBS Forum
49. Sulfur price on February 13, 2017 - HCBBS Forum
50. High O2 content in sulfur chimneys - HCBBS Forum
51. 【Weekly Topic】Discussion on Issues in the Installation of Sulfur Recovery Units - HCBBS Forum
52. High-temperature mixing valve for sulfur recovery - HCBBS Forum
53. Can sulfur be added to a water-coal slurry gasifier? - HCBBS Forum
54. Detection of pH value for liquid sulfur - HCBBS Forum
55. Sulfur preheating boiler - HCBBS Forum
56. Propylene and propane recovery; seeking advice - HCBBS Forum
57. Sulfur Weekly Review: Prices are mainly stable - HCBBS Forum
58. Condition of sulfur ointment and shipping - HCBBS Forum
59. The problem of clogging in the sulfur slurry system of the LOCAT sulfur recovery process - HCBBS Forum
60. Does Topsoe offer sulfur recovery solutions for the coal chemical industry? - HCBBS Forum
61. Klaus sulfur recovery off-gas contains sulfur - HCBBS Forum
62. How to calculate the dew point temperature of mixed hydrocarbons - HCBBS Forum
63. Ningxia Petrochemical Sulfur Unit Recovery, Treatment and Renovation Project - HCBBS Forum
64. Discussion on liquid level control issues in rich liquid flash tank of solvent regeneration device. - HCBBS Forum
65. Sulfur - HCBBS Forum
66. Gas desulfurization process - HCBBS Forum
67. Selection of regeneration and stripping reflux pumps for sulfur units - HCBBS Forum
68. Pulverization treatment of catalysts in wastewater stripping ammonia purification desulfurization adsorbers - HCBBS Forum
69. Design of large-scale sulfur plants - HCBBS Forum
70. The main component of amine-based defoamers. - HCBBS Forum
71. Is it necessary to install an online particulate monitoring system for sulfuric acid production exhaust gases? - HCBBS Forum
72. 97- Discussion on the design of a steam-water separator for high-steam-dryness steam injection boilers used in the Sudan FNE oil field, with regard to feather leaf separators - HCBBS Forum
73. Are all CEMS measurement values for sulfur exhaust expressed in mg/m3·h? - HCBBS Forum
74. Sulfur flue gas modification - HCBBS Forum
75. Seeking help with a sulfur ratio analyzer - HCBBS Forum
76. Where is NOx formed in the exhaust gas from sulfur recovery units? - HCBBS Forum
77. Selection of heavy metal adsorbents? - HCBBS Forum
78. Method for controlling the pH of quench water during the passivation of sulfur hydrogenation catalysts - HCBBS Forum
79. Material of liquid sulfur storage tank - HCBBS Forum
80. Does anyone have a process for solution absorption after sulfur recovery tail gas hydrogenation reaction? - HCBBS Forum
81. Seeking advice on the ternary phase diagram of saline systems - HCBBS Forum
82. The flue gas temperature at the inlet of the sulfur chimney is high - HCBBS Forum
83. How much does it cost to produce one ton of hydrogen from PSA? - HCBBS Forum
84. Hydrogenation of tail gas from sulfur plant - HCBBS Forum
85. Which company has tested the NOx content in the exhaust gases from sulfur recovery units? - HCBBS Forum
86. Quality control parameters for the lean solution resulting from sulfur solvent regeneration? - HCBBS Forum
87. Dry Gas Desulfurization Aspen Simulation - HCBBS Forum
88. What is the purpose of washing with lean amine at the top of the rich amine flash tank in the amine solution regeneration unit? - HCBBS Forum
89. Those who want to export sulfur, contact me - HCBBS Forum
90. New sulfur recovery system - HCBBS Forum
91. Sulfur Recovery Vocational Skill Assessment **Question Bank Theoretical Knowledge Test Paper - HCBBS Forum
92. Seeking advice from fellow users regarding Aspen simulation of the Claus sulfur recovery process - HCBBS Forum
93. Chelated iron wet treatment of hydrogen sulfide is efficient, safe and environmentally friendly - HCBBS Forum
94. I would like to know the main components of the exhaust gases emitted after producing 3 million tons of methanol per year and recovering sulfur via the Claus process - HCBBS Forum
95. Refractory bricks for manholes in sulfur production furnaces - HCBBS Forum
96. Acidic water stripping unit corrosion inhibitor - HCBBS Forum
97. Has sulfur been changed to sulfur? - HCBBS Forum
98. Ultra-low emissions of sulfur exhaust gases - HCBBS Forum
99. The exhaust gas contains sulfur - HCBBS Forum
100. Can the torch system be implemented in a DCS system? Controlled by SIS. Is it still only possible to use PLC control to solve it? - HCBBS Forum