YANYing-ying,MANGao-zhi,HEZhi,et al.Enhanced Solar Drying of Sewage Sludge Using Mechanical Disturbance and Carbonaceous Skeleton Blending[J].China Water & Wastewater,2025,41(13):26-32.
机械扰动与碳基骨架原位强化污泥太阳能干化
- Title:
- Enhanced Solar Drying of Sewage Sludge Using Mechanical Disturbance and Carbonaceous Skeleton Blending
- 摘要:
- 在太阳能干化过程中，污泥易发生严重的收缩、结壳现象，导致干化效率低下。为此，在实际阳光棚中探索了机械扰动与碳基骨架掺混对污泥太阳能干化过程的原位强化作用。结果表明，机械扰动可缓解结壳效应，促进污泥水分释放，从而缩短干化时长，每日一次扰动可使干化时长减少49.3%。碳基骨架掺混能在机械扰动的基础上进一步提高干化效率，污泥含水率降幅最高可达18.7%。在机械扰动和骨架掺混的协同作用下，污泥干化终点的有机质含量有所提高，产物呈中性，有利于后续应用。
- Abstract:
- In the process of sludge solar drying, serious shrinkage and crusting phenomenon are prone to occur, resulting in low drying efficiency. In this paper, the in-situ strengthening effects of mechanical disturbance and carbonaceous skeleton blending on the sludge solar drying process were explored in an actual solar canopy. The results showed that mechanical disturbance could alleviate the crusting effect and promote the release of internal water. The drying time was reduced by 49.3% with disturbance once per day. Carbonaceous skeleton blending could further improve the drying efficiency on the basis of mechanical disturbance, and the moisture content of sludge was reduced by up to 18.7%. Under the synergistic effect of mechanical disturbance and skeleton blending, the organic matter content at the end point of sludge drying was increased, with neutral pH value, which was conducive to the application of subsequent products.
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[1]刘常青,陈琬,曾艺芳,等.SARD与CSTR反应器半连续发酵产氢能力对比[J].中国给水排水,2018,34(21):7.
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[3]郭波,田瑜,范晨,等.绿色纳米铁/H2O2联用两性脱水剂调理污泥研究[J].中国给水排水,2020,36(13):62.
GUO Bo,TIAN Yu,FAN Chen,et al. Sludge Conditioning by Green Iron Nanoparticles/H2O2 Combined with Amphoteric Dewatering Agent [J].China Water & Wastewater,2020,36(13):62.
[4]许劲,范准,吕秋颖,等.山地城市污泥水热炭化产物特性研究[J].中国给水排水,2020,36(21):21.
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JI Sha-sha,HUANG Jin.Phosphorus Forms Distribution and Migration in Sludge Incineration Project[J].China Water & Wastewater,2021,37(13):26.
[8]马彩霞,刘蕾,李碧清,等.强化化学淋滤对污泥重金属溶出及磷释放的影响[J].中国给水排水,2021,37(5):66.
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