Table 3 Result of scoring test
From: Construction technique of disposable bin from sludge cake and its environmental risk
Removable supporter | Binder (ratio) | Appearance | Strength | Water absorption | Economic cost | Total score | |
|---|---|---|---|---|---|---|---|
Cost of removable supporter | Cost of binder | ||||||
Used cloth | Plaster (1:5) | 4 | 1 | 0 | 1 | 1 | 7 |
Used cloth | Plaster (1:10) | 1 | 2 | 1 | 1 | 1 | 6 |
Used cloth | Plaster (1:20) | 2 | 3 | 2 | 1 | 2 | 10 |
Used cloth | Latex (1:20) | 3 | 4 | 3 | 1 | 1.5 | 12.5 |
Old newspaper | Plaster (1:5) | 4 | 1 | 0 | 2 | 1 | 8 |
Old newspaper | Plaster (1:10) | 0 (not pass) | 1 | 1 | 2 | 1 | 5 (not pass) |
Old newspaper | Plaster (1:20) | 0 (not pass) | 2 | 2 | 2 | 2 | 8 (not pass) |
Old newspaper | Latex (1:20) | 0 (not pass) | 4 | – | 2 | 1.5 | – (not pass) |