Coupling effect of the refuse and sludge on the physical and combustible properties of the densified pellets for energy production

被引：8

作者：

Fang, Jinlong ^{[1
]}

He, Jun ^{[1
]}

Hong, Yubin ^{[1
]}

Luo, Zijun ^{[1
]}

Ke, Huapeng ^{[1
]}

Fan, Zixuan ^{[1
]}

Tang, Oujun ^{[1
]}

Diao, Zenghui ^{[2
]}

Chen, Diyun ^{[1
]}

Lingjun, Kong ^{[1
]}

机构：

[1] Guangzhou Univ, Sch Environm Sci & Engn, Guangdong Prov Key Lab Radionuclides Pollut Contr, Guangzhou 510006, Peoples R China

[2] Zhongkai Univ Agr & Engn, Sch Environm Sci & Engn, Guangzhou 510225, Peoples R China

来源：

RENEWABLE ENERGY | 2023年 / 216卷

基金：

中国国家自然科学基金;

关键词：

Sludge; Refuse; Fuel pellets; Combustion; Energy; SEWAGE-SLUDGE; BIOMASS; DESIGN; WASTE; WOOD; COAL;

D O I：

10.1016/j.renene.2023.119081

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Recycling and converting the loose refuse and sludge into densified fuels (S-RDF) is promising for energy pro-duction, in which the sludge could be a suitable binder that can be combusted adequately for treatment. The increase in the sludge content and compress pressure positively influenced the physical properties of the S-RDF. Especially, the S-RDF with a mass content of 20% of sludge performed the favorable density of 1.2 g/cm3 and featured an abrasive resistance of 6.542% when the pressure was only 1 MPa, being similar to the RDF being compressed at 4 MPa without sludge. Also, it can be pelletized on industrial scale with a power of 7.5 KW. The results confirmed the positive effect of the sludge on the physical properties of RDF. S-RDF has a high calorific value of 2.25 x 104 kJ/dm3, and the ignition loss of S-RDF slag is low to 2% due to the promoting combustion of sludge by flammable waste. Thus, it is promising to facilitate the recycling and conversion of refuse and sludge into energy to address sustainable development.

引用

页数：8

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