Adsorption of copper from water using TiO<sub>2</sub>-modified activated carbon derived from orange peels and date seeds: Response surface methodology optimization.

Heliyon · 2023 · PMC10660060 · PMID 38027893

Europe PMC DOI

hedged sentences

0.1280

closest p · 2.6× alpha

0.1280

boldest claim

The sentences

moderately significantp = 0.1280not close (p > 0.1)

According to Table 7 , the linear effect of solution pH (A), initial ion concentration (B), and adsorbent dosage (C) was significant (p < 0.0001) and the contact time (D) linear effect was moderately significant (p = 0.1280) for DS-TiO 2 ; while for OP-TiO 2 the linear adsorbent dosage, and solution pH was significant (p < 0.0001) and the contact time and initial concentration linear effect was moderately significant.

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slightly significantno p-value reported

For DS-TiO 2 , the effects of squared terms of B 2 , A 2 and the interaction between AB, AC, and AD were significant; the effect of interaction between BD was slightly significant; however, the effects of interaction between other terms were not statistically significant.

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