Journal of Chemistry / 2018 / Article / Tab 7

Research Article

New Sustainable Biosorbent Based on Recycled Deoiled Carob Seeds: Optimization of Heavy Metals Remediation

Table 7

Factorial experimental design matrix coded, real values, and experimental results of the responses.

RunCoded valuesActual valuesResponses
ABCDABCDCd(II)Co(II)

1−1−1−1−14150HCl30.5924.22
2+1−1−1−16150HCl46.2129.30
3−1+1−1−14350HCl19.2314.48
4+1+1−1−16350HCl29.3418.05
5−1−1+1−141100HCl19.565.58
6+1−1+1−161100HCl38.8612.36
7−1+1+1−143100HCl11.578.64
8+1+1+1−163100HCl20.9210.71
9−1−1−1+14150NaOH70.1142.86
10+1−1−1+16150NaOH85.7351.90
11−1+1−1+14350NaOH32.1026.53
12+1+1−1+16350NaOH33.4829.17
13−1−1+1+141100NaOH56.3227.61
14+1−1+1+161100NaOH66.8931.56
15−1+1+1+143100NaOH30.1118.81
16+1+1+1+163100NaOH31.8020.13

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