Why is it not recommended to use 304 material for bolts when sealing flange joints?
2024-02-18
When carbon steel or stainless steel flanges are equipped with 304 material bolts in flange joint sealing, leakage problems often occur during operation. This article will provide a qualitative analysis of this.
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Corrosion and Material Selection of Typical Chemical Acids
2024-02-02
ydrogen chloride and hydrochloric acid dry hydrogen chloride do not actually corrode carbon steel below 200 ℃, and their corrosion rate is not greater than 0.1mm/a, rising to 0.5mm/a at 250 ℃.
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Analysis and solution of abnormal conditions in aerobic wastewater treatment tanks
2024-01-31
The function of aerobic tanks in wastewater treatment is to allow activated sludge to undergo aerobic respiration, further decomposing organic matter into inorganic substances and removing pollutants.
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Detailed explanation of nitrogen and phosphorus removal technology for low-carbon source wastewater
2024-01-29
With the acceleration of urbanization and economic development in China, the problem of sewage treatment is becoming increasingly prominent.
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Selection of ultrafiltration membrane materials
2024-01-26
There are many materials that can be used to manufacture ultrafiltration membranes, including polyvinylidene fluoride (PVDF), polyethersulfone (PES)
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