Research Article
Preparation of Copper Nanoparticles/Diatomite Nanocomposite for Improvement in Water Quality of Fishponds
Table 1
COD and BOD parameters in fishpond water samples were treated by CuNPs/DA.
| | Sample | BET (m2/g) | CuNPs content (mg/kg) | COD (mg O2/L) | BOD (mg/L) | pH | | Before immersion | After immersion |
| | RAW | | — | — | 116 ± 12 | 3.9 | 7.0 | | DA | 1.011 | | | 97 ± 10 | 3.7 | 7.0 | | CuNPs/DA | 1.112 | 1886 ± 38 | 1819 ± 40 | 68 ± 12 | 3.2 | 6.8 | | CuNPs/DA1 | 2.056 | 1949 ± 42 | 1889 ± 39 | 63 ± 11 | 2.9 | 6.8 | | CuNPs/DA2 | 2.509 | 1961 ± 40 | 1897 ± 30 | 59 ± 11 | 2.6 | 6.8 |
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