Research Article
Effects of Biosolids at Varying Rates on Earthworms (Eisenia fetida) and Springtails (Folsomia candida)
Table 1
Biosolid production temperatures (°C), dry matter content, and dryer type.
| | Biosolid 1 | Biosolid 2 | Biosolid 3 | Biosolid 4 | Biosolid 5 | Biosolid 6 |
| | Dryer temp. | 350–450 | 350–450 | 118–175 | 275–325 | 120–130 | Air temp | | Targeted dry matter | >94 | >94 | >94 | >94 | >94 | — | | Measured dry matter | 95.4 | 97.5 | 89.6 | 94 | 95.1 | 82.1 | | Dryer type | Rotating drum | Rotating drum | Thin-film evaporator | Rotating drum | 3-stage Belt | Filter-press |
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