Research Article
Sustainable Reuse of Dredged Soil as a Substrate Material by Improvement with Polyacrylamide, Straw, and Superabsorbent Polymer
Table 1
The basic physical and chemical properties of the dredged soil and the selected substrates in the substrate material.
| | Soil properties | Value | SAP properties | Value | PAM properties | Value |
| | pH | 8.7 | Particle size range (mm) | 0.25–0.6 | Type | Anionic | | Liquid limit (%) | 39 | Water absorbency (g/g) | 600 | Color | White | | Plastic limit (%) | 20 | Color | White | MW | 8 × 107 | | Extractable N (mg/kg) | 44.24 | | | DH (%) | 23.5 | | Extractable P (mg/kg) | 44.45 | | | Density (g/cm3) | 1.32 | | Extractable K (mg/kg) | 175.5 | | | GT (°C) | 188 | | Organic C (g/kg) | 2.4 | | | ST (°C) | 210 | | Sand (%) | 87.7 | | | | | | Silt (%) | 6.18 | | | | | | Clay (%) | 3.68 | | | | |
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MW, molecular weight; DH, degree of hydrolysis; GT, glass temperature; ST, softening temperature.
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