Effect of Soil Texture on Remediation of Hydrocarbons-Contaminated Soil at El-Minia District, Upper Egypt

Table 7

Results of soil treatment from site D.

Flushing cycles	Pulsing time from zero-2-zero bar (minute)	(𝑚𝑜𝑅) original weight (g/kg)	(𝑚𝑜) amount of oil removed (g/kg)	% of oil extracted
3% NPEO9 + first air pulse	2	42.73	18.95	44.35
Water + second air pulse	2	42.73	11.78	27.57
Total results of site (D)	4	42.73	30.73	71.92