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. 2026 Apr 25;16:18336. doi: 10.1038/s41598-026-49951-9

Table 1.

Elemental and proximate analysis of plastic-char composite.

Type of material C % N % H % O % O/C H/C VM % Ash % FC %
Rice Straw 37.48 5.21 2.68 54.63 1.094 0.851 54.83 18.72 16.45
Low-density Plastic 83.76 4.36 8.14 3.74 0.033 1.157 97.11 2.33 0.56
Plastic-char composite 74.39 2.59 4.84 18.18 0.183 0.775 64.33 13.76 21.91
Biochar 64.44 2.24 2.96 30.36 0.353 0.547 47.32 32.48 18.20