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Soil environment is one of main influence factors for buried pipeline corrosion. In order to improve soil corrosion environment, some physical and chemical methods are available. The aim of this work is to evaluate validities of two kinds of chemical reagents for improving soil corrosion environment because of microbiological activity, which includes three corrosion inhibitors and three bactericides. Several groups of laboratory experiments on corrosion simulation are carried. Corrosion rate of steel test piece and sterilization rate of bactericides are calculated. Experimental results show that corrosion inhibitors and bactericides are effective to improve corrosive soil environment, which ha ve different effects on corrosive soil. Optimal reagent and concentration in this work could be obtained. This research can provide effective anti-corrosion measure for buried pipeline.

Analysis of Two Kinds of Chemical Reagents on Improvement of Local Soil Corrosion Environment