Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Main effects on Grey Relational Grades.
| A (pH) | B (concentration) | C (temperature) | D (ionic strength) | |
|---|---|---|---|---|
| Level 1 | 0.369 | 0.526 | 0.655 | 0.660 |
| Level 2 | 0.705 | 0.633 | 0.616 | 0.633 |
| Level 3 | 0.803 | 0.717 | 0.605 | 0.583 |
| Delta | 0.434 | 0.191 | 0.05 | 0.077 |
| Optimum | 3 | 5 g/L | 15 °C | 0.01 M |
Optimum remediation conditions in different parameters are presented in bold.
