Assessment of the Nutrients in the Leachate and the Groundwater Quality for Drinking and Farming around the Nkolfoulou Landfill in Yaoundé, Cameroon

Table 3

Landfill leachate characteristics of other countries in comparison with the present study.

Parameter	Typical range [6]	Country (landfill site)
		India (Jamalpur) [39]	Spain (Marbella) [40]	Nigeria (Aba-Eku) [41]	Cameroon (Nkolfoulou) (this study)
T (°C)	—	—	22.2	—	26.5
pH		9.8	8.21	8.21	8.6
EC (μS/cm)	2,500−35,000	—	24195	2466	20450
TDS (mg/L)	—	6563	—	—	7400
TSS (mg/L)	2,000−60,000	7695	—	144.94	100.2
Turbidity (NTU)	—	79	—	—	17.8
TH (mg/L)	—	638	—	—	387.10
TA (mg·/L)	—	—	8789.3	—	653.06
(mg·/L)	20−57,000	495	—	—	120
COD (mg·/L)	140−152,000	2535	—	57.63	1550
	0.02−0.80	0.19	—	—	0.08
(mg/L)	70−7,700	—	2768.1	—	332.93
(mg/L)	50−3,700	—	1553	—	291.10
(mg/L)	30−15,000	—	189.2	83.55	67.68
(mg/L)	10.0−7,200	—	148.6	86.4	43.41
(mg/L)	—	—	3248.7	3.55	61.01
(mg/L)	—	18.6	555.7	12.37	117.07
(mg/L)	150−4,500	1836	4652.7	597.98	524.10
(mg/L)	—	—	—	—	2.99
(mg/L)	—	—	—	ND	ND
(mg/L)	8.0−7,750	65.1	419.2	118.86	30.42
(mg/L)	610−7,320	—	—	—	806.25
Colour (mg/L Pt-Co)	—	—	—	—	4931.54
Appearance	—	Brownish	—	—	Dark brownish
Odour	—	Sewage smell	—	—	Pungent

ND = not detected.