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. 2022 Feb 25;8(3):e09019. doi: 10.1016/j.heliyon.2022.e09019

Table 1.

Experimental description.

Item	Objective 1	Objective 2	Objective 3^∗
Description	Assess the weather effect on the leachate quality.	Evaluate the cavitation time effect on the organic material removal from the leachate.	Hydrogen peroxide (H₂O₂) concentration effect on the organic material removal from the leachate.
Factor	Weather season	Cavitation time	Hydrogen peroxide concentration
Factor level	Two levels: Dry Wet	Three levels: 30 min 60 min 90 min	Three levels: 50 ppm 125 ppm 200 ppm
Response variables	Absolute value of: BOD5, COD, TSS and TOC	Removal percentage of BOD₅, COD, TSS and TOC respect to untreated leachate	Removal percentage of BOD₅, COD, TSS and TOC respect to untreated leachate

^∗

ppm: parts per million.