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

Table 4

Results of soil treatment from site B.

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
	First group set
3% NPEO9 + first air pulse	25	127.05	10.72	8.44
Water + second air pulse	17	127.05	5.15	4.05
Water + third air pulse	14	127.05	4.33	3.41
Water + fourth air pulse	10	127.05	4.02	3.16
Water + fifth air pulse	9	127.05	3.28	2.58
Water + sixth air pulse	8	127.05	3.05	2.40
Water + seventh air pulse	8	127.05	2.98	2.35
Sum of first group set	91	127.05	33.53	26.39
	Second group set
3% NPEO9 + second air pulse	21	127.05	12.66	9.96
Water + eighth air pulse	12	127.05	6.08	4.79
Water + ninth air pulse	12	127.05	5.54	4.36
Water + tenth air pulse	10	127.05	5.22	4.11
Water + eleventh air pulse	10	127.05	5.19	4.09
Water + twelfth air pulse	10	127.05	5.03	3.96
Sum of second group set	75	127.05	34.69	27.30
	Third group set
3% NPEO9 + third air pulse	35	127.05	25.53	20.09
Water + thirteenth air pulse	3	127.05	3.12	2.46
Water + fourteenth air pulse	2	127.05	3.04	2.39
Water + fifteenth air pulse	2	127.05	2.88	2.27
Water + sixteenth air pulse	1.45	127.05	2.61	2.05
Water + seventeenth air pulse	1.45	127.05	2.99	2.35
Water + eighteenth air pulse	1.45	127.05	2.5	1.97
Water + nineteenth air pulse	1.45	127.05	1.44	1.13
Water + twentieth air pulse	1.45	127.05	1.39	1.09
Water + twenty-one air pulse	1.45	127.05	1.3	1.023
Water + twenty-two air pulse	1.45	127.05	1.26	0.99
Water + twenty-three air pulse	1.45	127.05	1.13	0.89
Water + twenty-four air pulse	1.45	127.05	0.98	0.77
Water + twenty-five air pulse	1.45	127.05	0.59	0.46
Sum of third group set	56.5	127.05	50.76	39.95
Total results of site (B)	222.5	127.05	118.98	93.65