| 单词 | sewage sludge |
| 释义 | sewage sludge And hydrogen can be extracted from sewage sludge. The Sun It plans to produce biomethane from farm and food waste and sewage sludge for injection into the gas grid. Times, Sunday Times However, the report says that the level of heavy metals in sewage sludge has halved in the past 25 years because of stricter controls on industrial effluent. Times, Sunday Times Maleic anhydride and maleic acid are biodegraded under aerobic conditions in sewage sludge and in soil and water as well. Retrieved from Wikipedia CC BY-SA 3.0 Soybeans grown in sewage sludge likely contain elevated concentrations of metals. Retrieved from Wikipedia CC BY-SA 3.0 |
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