发明名称 |
METHOD FOR RETREATING DEWATERED SLUDGE |
摘要 |
<p>The present invention discloses a method of retreating a viscous semi-solid dewatered sludge having a water content of 70-85%, which is characterized by comprising the steps of: (1) adding a desiccant into said dewatered sludge, and stirring the resulting mixture to produce a mixed sludge having a water content of 50-60%; and (2) drying the mixed sludge to produce a dried granular sludge, which has a water content of 45% or less. The method of retreating the sludge of the present invention can decrease the treatment energy consumption, have a simple dry waste gas treatment, greatly reduce the cost for treating the sludge, accomplish the clean production and the sludge's innocuity, stabilization, minimization, and recycle.</p> |
申请公布号 |
EP2749541(A4) |
申请公布日期 |
2015.07.15 |
申请号 |
EP20120825074 |
申请日期 |
2012.08.20 |
申请人 |
GUANGZHOU NEW EXTEND RISING ENVIRONMENTAL PROTECTION TECHNOLOGIES MACHINERY EQUIPMENT CO., LTD |
发明人 |
ZHONG, HUANSHENG;SUN, ZHIMIN;WU, JIACONG;CHEN, JIAYU |
分类号 |
C02F11/14;C05D3/02;C05F7/00 |
主分类号 |
C02F11/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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