Patent ID: 11919058
Assignee: CHENGDU UNIVERSITY OF TECHNOLOGY
Field: Environmental technology (Chemistry)
Classification: CPC B  C  Y | IPC B  C

Claim 3:
4. The method for remediating petroleum hydrocarbon contamination in groundwater of claim 1, wherein the method further comprises: dividing the contaminated site soil into calcareous soil and calcium-depleted soil according to a calcium content of the contaminated site soil, wherein the soil with a magnesium-calcium ratio Mg:Ca<0.12 in the soil is classified as calcareous soil, and the soil with the magnesium-calcium ratio Mg:Ca>0.12 in the soil is classified as calcium-depleted soil;
Wherein the method further comprises dividing the contaminated site soil into high-iron soil and low iron soil according to an iron content of the contaminated site soil, wherein the soil with iron content >30 mg/L is classified as high iron soil, and the soil with iron content <30 mg/L is classified as low iron soil.