Table 4

Comparative clay characteristics and adsorption properties; ammoniacal-N and heavy metals from MSW leachate

SitepHCd (ml g−1)Cu (ml g−1)Ni (ml g−1)Zn (ml g−1)
18.13 ± 0.00512 ± 3939 ± 0.619 ± 0.5518 ± 15
466–54538–3918–19504–531
27.43 ± 0.041011 ± 10976 ± 736 ± 1361 ± 16
7.40–7.45917–110665–8234–37337–370
27.69 ± 0.111630 ± 92448 ± 926 ± 3754 ± 246
7.55–7.80865–314435–6220–30301–1154
191222 ± 18680 ± 2224 ± 5525 ± 102
1025–139664–10520–30423–626
191237 ± 44969 ± 621 ± 1407 ± 79
730–158562–7519–22316–453
3802 ± 12344 ± 424 ± 2458 ± 65
665–90439–4721–25396–526
48.09 ± 0.03613 ± 3026 ± 0.716 ± 0.9538 ± 39
8.07–8.11577–65125–2615–17489–589
5936 ± 33719 ± 07 ± 0.3323 ± 65
684–13197–8272–397
61189 ± 69922 ± 0.68 ± 0390 ± 155
647–197822–23301–569
67.81 ± 0.011626 ± 48734 ± 219 ± 11316 ± 407
7.80–7.81954–211132–3618–20826–1819
67.65 ± 0.02925 ± 34961 ± 435 ± 21150 ± 395
7.63–7.66462–127456–6633–38566–1423
67.80 ± 0.011641 ± 85330 ± 116 ± 11014 ± 624
7.79–7.801148–291328–3115–17683–1950
77.93 ± 0.28596 ± 24516 ± 313 ± 1697 ± 150
7.68–8.17275–95411–2011–14522–862
87.96 ± 0.27606 ± 36612 ± 110 ± 2696 ± 107
7.72–8.19222–107111–148–12520–863
97.84 ± 0.30526 ± 17250 ± 1330 ± 6610 ± 108
7.54–8.10362–79033–6919–36372–759
2118117.525
44–27614–3012–52
107.51 ± 0.011013 ± 10838 ± 126 ± 1439 ± 12
7.50–7.51918–110837–3925–27432–458
117.67 ± 0.02504 ± 4538 ± 223 ± 1609 ± 44
7.65–7.68447–54036–4123–24554–645
127.82 ± 0.37449 ± 13352 ± 1331 ± 7595 ± 54
7.50–8.15260–59838–6921–38522–720
12497 ± 2447 ± 224 ± 2711 ± 151
478–52446–4923–26572–871
207.95 ± 0.37170 ± 9616 ± 516 ± 4359 ± 99
7.62–8.2883–3569–259–20183–599
20241 ± 11131 ± 213 ± 1382 ± 216
122–34130–3412–14134–526
137.7591551
54–6312–1946–57
137.71022646
33–23122–3128–61
147.71 ± 0.04827 ± 27931 ± 421 ± 2615 ± 46
7.68–7.73604–139726–3717–22572–701
157.73 ± 0.01505 ± 2727 ± 217 ± 1679 ± 74
7.72–7.74491–54525–2817–18597–771
211302427
18–31613–5210–46
178.30 ± 0.01514 ± 4718 ± 013 ± 0.5520 ± 28
8.29–8.30446–54612–13489–552
2111167132
137.61 ± 0.01195 ± 457 ± 331 ± 2458 ± 1
7.60–7.61193–20254–6029–33457–459
187.75 ± 0.021373 ± 32952 ± 028 ± 01115 ± 343
7.73–7.76880–1541626–1357
187.93 ± 0.041944 ± 60927 ± 114 ± 01649 ± 808
7.90–7.951042–231727–28825–2731
187.65 ± 0.06439 ± 89164 ± 587 ± 2442 ± 100
7.61–7.69346–522158–17086–90355–528
  • Results are shown as mean and standard deviation above minimum to maximum range determined.