Preparation and performance evaluation of a novel Tween 80-based microemulsion system for the remediation of petroleum hydrocarbon-contaminated soil using soil washing test - Peng Ye; Zhibin Liu; Chenfei He; Haitao Yu; Changsong Zhang; Xueke Zang; Hang Cui; Zhengbing Li; Liangliang Lu; Shiju Cheng (Environmental Research, 2026)