Research Article
Development of Kaolin Clay as a Cost-Effective Technology for Defluoridation of Groundwater
Table 2
Types of the separation factor, RL of the Langmuir isotherm.
| RL value | Types of isotherm | RL obtained result | Activated clay | Raw clay |
| | Unfavorable | — | — | | Linear | — | — | | Favorable | 0.35 | 0.136 | | Irreversible | — | — |
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