Research on In-situ Sludge Solidification in the Ecological Refuse Landfill Closure Project

For the site pilot test of in-situ sludge solidification in a large ecological landfill closure project in southwest China,this paper adopts five kinds of curing agent mix ratios for site construction,adds curing agent and conducts in-situ mixing with cleaning and mixing equipment after pretreatment...

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Main Authors: ZHANG Xiaoyu, ZHOU Xianjin, CAO Jun
Format: Article
Language:zho
Published: Editorial Office of Pearl River 2021-01-01
Series:Renmin Zhujiang
Subjects:
Online Access:http://www.renminzhujiang.cn/thesisDetails#10.3969/j.issn.1001-9235.2021.10.013
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author ZHANG Xiaoyu
ZHOU Xianjin
CAO Jun
author_facet ZHANG Xiaoyu
ZHOU Xianjin
CAO Jun
author_sort ZHANG Xiaoyu
collection DOAJ
description For the site pilot test of in-situ sludge solidification in a large ecological landfill closure project in southwest China,this paper adopts five kinds of curing agent mix ratios for site construction,adds curing agent and conducts in-situ mixing with cleaning and mixing equipment after pretreatment of sludge,and drills and samples the treated refuse soil after rolling and curing.The test results show that the sludge treated with five kinds of curing agents could meet the design requirements on pH,moisture content,shear strength and unconfined compressive strength.Through the comparison of shear strength and unconfined compressive strength,the effect of No.5 curing agent is the best,that is,in the curing agent,the ordinary silicate content is 19.3%,the fly ash content is 6.43%,and the curing agent ratio is 25.73%.In the actual construction,the No.5 mix ratio is widely used.In addition,according to the difference of physical properties of sludge in level and treatment direction,the mix ratio of curing agent and the parameters of mixing equipment shall be adjusted appropriately to ensure the uniformity of sludge curing effect.
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institution Kabale University
issn 1001-9235
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publishDate 2021-01-01
publisher Editorial Office of Pearl River
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series Renmin Zhujiang
spelling doaj-art-6995b3c96ede406d9bea90ab089342912025-01-15T02:27:45ZzhoEditorial Office of Pearl RiverRenmin Zhujiang1001-92352021-01-014247645653Research on In-situ Sludge Solidification in the Ecological Refuse Landfill Closure ProjectZHANG XiaoyuZHOU XianjinCAO JunFor the site pilot test of in-situ sludge solidification in a large ecological landfill closure project in southwest China,this paper adopts five kinds of curing agent mix ratios for site construction,adds curing agent and conducts in-situ mixing with cleaning and mixing equipment after pretreatment of sludge,and drills and samples the treated refuse soil after rolling and curing.The test results show that the sludge treated with five kinds of curing agents could meet the design requirements on pH,moisture content,shear strength and unconfined compressive strength.Through the comparison of shear strength and unconfined compressive strength,the effect of No.5 curing agent is the best,that is,in the curing agent,the ordinary silicate content is 19.3%,the fly ash content is 6.43%,and the curing agent ratio is 25.73%.In the actual construction,the No.5 mix ratio is widely used.In addition,according to the difference of physical properties of sludge in level and treatment direction,the mix ratio of curing agent and the parameters of mixing equipment shall be adjusted appropriately to ensure the uniformity of sludge curing effect.http://www.renminzhujiang.cn/thesisDetails#10.3969/j.issn.1001-9235.2021.10.013refuse landfillin-situ sludge solidificationcuring agentmix ratio
spellingShingle ZHANG Xiaoyu
ZHOU Xianjin
CAO Jun
Research on In-situ Sludge Solidification in the Ecological Refuse Landfill Closure Project
Renmin Zhujiang
refuse landfill
in-situ sludge solidification
curing agent
mix ratio
title Research on In-situ Sludge Solidification in the Ecological Refuse Landfill Closure Project
title_full Research on In-situ Sludge Solidification in the Ecological Refuse Landfill Closure Project
title_fullStr Research on In-situ Sludge Solidification in the Ecological Refuse Landfill Closure Project
title_full_unstemmed Research on In-situ Sludge Solidification in the Ecological Refuse Landfill Closure Project
title_short Research on In-situ Sludge Solidification in the Ecological Refuse Landfill Closure Project
title_sort research on in situ sludge solidification in the ecological refuse landfill closure project
topic refuse landfill
in-situ sludge solidification
curing agent
mix ratio
url http://www.renminzhujiang.cn/thesisDetails#10.3969/j.issn.1001-9235.2021.10.013
work_keys_str_mv AT zhangxiaoyu researchoninsitusludgesolidificationintheecologicalrefuselandfillclosureproject
AT zhouxianjin researchoninsitusludgesolidificationintheecologicalrefuselandfillclosureproject
AT caojun researchoninsitusludgesolidificationintheecologicalrefuselandfillclosureproject