The anti-corrosion performance on the oil and gas side of the outer wall of the tube bundle in the initial vapor pressure relief cooler of petrochemical units is good
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Application of anti-corrosion measures on the oil and gas side of the outer wall of the tube bundle in the initial distillate cooler of petrochemical atmospheric and vacuum distillation units over a period of 3 years. The specification is FLB1100-350-16-4. The material is carbon steel. Operating conditions: Tubing: medium, circulating water; temperature 35°C, pressure 0.4 MPa. Shell side: Medium, initially gasoline; temperature 80°C, pressure 1.0 MPa.
In which era was the sulfur content in crude oil low, resulting in relatively less corrosion of heat exchangers?