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| Feasibility Study on Mixed Treatment of Papermaking Sludge and Municipal Sludge |
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| DOI：10.11980/j.issn.0254-508X.2018.10.007 |
| Key Words:paper sludge municipal sludge heavy metals ecological risk assessment mixed treatment |
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| Abstract:Sewage sludge samples were collected from Longfeng Paper Co.，Ltd. and three wastewater treatment plants in Puyang city.Composition of these samples were analyzed and compared，their ecological risks were evaluated by Hakanson method.The results showed that the organic matter content of papermaking sludge was in between municipal and county-level municipal sludge， higher than that of pig manure and agricultural organic fertilizer， the content of heavy metal was lower than municipal sludge， the shape was stable and the potential ecological risk was low.It was a good organic fertilizer resource and could be synchronous disposed with municipal sludge． |
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