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| Content Provider | Springer Nature Link |
|---|---|
| Author | Honda, Shun'ichi Miyata, Naoyuki Iwahori, Keisuke |
| Copyright Year | 2002 |
| Abstract | In our previous work, the primary sludge from wastewater treatment plants was shown to contain a considerable amount of cellulose (about 20%, based on suspended solids) owing to the discharge of toilet paper. For the purpose of using the cellulose as a biomass resource, this study examined a simple method for its recovery. When fibrous cellulose was suspended in 0.3% sulfuric acid and autoclaved at 130°C for 60 min, 85%–88% of the initial solids remained without dissolving. Under these conditions, an activated sludge sample not containing cellulose was strongly hydrolyzed and only 7% of the initial solids remained. The prescribed amounts of cellulose added to the activated sludge sample were quantitatively recovered by the autoclaving treatment. In the treatment of primary sludge containing >20% cellulose, residual solids with relatively high levels of cellulose (>69%) could be obtained. The results indicate that the method proposed here could recover cellulose practically from waste sewage sludge for biomass utilization. |
| Starting Page | 46 |
| Ending Page | 50 |
| Page Count | 5 |
| File Format | |
| ISSN | 14384957 |
| Journal | Journal of Material Cycles and Waste Management |
| Volume Number | 4 |
| Issue Number | 1 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2002-04-01 |
| Publisher Place | Tokyo |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Waste Management and Disposal Mechanics of Materials |
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