1. 特殊土资源化利用宜昌市重点实验室(三峡大学)
2. 防灾减灾湖北省重点实验室(三峡大学)
纸质出版:2025
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伍天然, 谈云志, 吴军, 等. 多源固废湿法制备陶粒及其性能研究[J]. 三峡大学学报(自然科学版), 2025,47(2):69-75.
伍天然, 谈云志, 吴军, et al. 多源固废湿法制备陶粒及其性能研究[J]. 2025, 47(2): 69-75.
伍天然, 谈云志, 吴军, 等. 多源固废湿法制备陶粒及其性能研究[J]. 三峡大学学报(自然科学版), 2025,47(2):69-75. DOI: 10.13393/j.cnki.issn.1672-948X.2025.02.010.
伍天然, 谈云志, 吴军, et al. 多源固废湿法制备陶粒及其性能研究[J]. 2025, 47(2): 69-75. DOI: 10.13393/j.cnki.issn.1672-948X.2025.02.010.
在采用烧结法制备河湖库底泥基陶粒时,一般需对高含水率底泥进行预干燥处理,这不符合节能减排发展战略.基于此,论文提出以河湖库底泥(RS)、磷石膏(PG)和废弃黏土砖粉(BP)为主要制陶原材料,研究了对多源固废进行湿法造粒制备陶粒的可行性.首先通过热重试验确定高温烧结关键工艺参数,在此基础上通过系列物理-力学性能测试,对比分析了煅烧温度、固废掺入比、包裹形式对陶粒性能的影响,然后通过污染物浸出试验验证了陶粒固持磷、氟效果.结果表明:当RS、PG、BP以干质量比为1.0∶1.7∶0.5进行混掺,在380℃预热10 min、1 150℃煅烧20 min条件下制备的陶粒具有最优的力学、经济和环境性能,其堆积密度为967 kg/m
3
表观密度为1 654 kg/m
3
1和24 h吸水率分别为8.5%和8.7%
单粒抗压强度可达6.4 MPa.
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