Effect of Coal Water Slurry Gasification Slag on Soil Water Physical Characteristics and Properties in Saline-Alkali Soil Improvement
To explore the effect of coal water slurry (CWS) gasification slag on the soil water physical characteristics of saline-alkali soil in the Yellow River Basin of Inner Mongolia, CWS gasification coarse slag (GCS) and gasification fine slag (GFS) were used as improvement materials and mixed with salin...
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| creator | Yin, Chunyan Zhao, Ju Liu, Xiaoyu Yu, Zhiguang Liu, Hu |
| description | To explore the effect of coal water slurry (CWS) gasification slag on the soil water physical characteristics of saline-alkali soil in the Yellow River Basin of Inner Mongolia, CWS gasification coarse slag (GCS) and gasification fine slag (GFS) were used as improvement materials and mixed with saline-alkali soil in different proportions. The influence mechanism of GCS and GFS on saline-alkali soil water holding capacity was investigated by measuring particle size composition, water holding capacity, and the change in the soil water characteristic curve after mixing. The results showed that adding gasification slag improved the particle size composition of saline-alkali soil, with sand content increased by -3.79%~217.31% and clay and silt content decreased by 5.77%~56.50% and -0.38%~41.53%, respectively. Soil bulk density decreased significantly (P |
| doi_str_mv | 10.1155/2022/1114343 |
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The influence mechanism of GCS and GFS on saline-alkali soil water holding capacity was investigated by measuring particle size composition, water holding capacity, and the change in the soil water characteristic curve after mixing. The results showed that adding gasification slag improved the particle size composition of saline-alkali soil, with sand content increased by -3.79%~217.31% and clay and silt content decreased by 5.77%~56.50% and -0.38%~41.53%, respectively. Soil bulk density decreased significantly (P<0.05), with a decrease range of 15.17%~45.1%. The soil texture changed from silty loam to sandy loam, and the water retention performance improved, affecting the soil saturated water content, capillary water holding capacity, and field water holding capacity (P<0.05), with increases ranging from 20.75%~86.15%, 7.84%~27.81%, and -1.89%~34.56%, respectively. After adding GCS and GFS, the VG model fit the soil water characteristic curve of saline-alkali soil well, indicating that the addition of gasification slag enhanced soil water retention significantly. In conclusion, CWS gasification slag effectively improved the water physical properties of saline-alkali soil and significantly enhanced the water retention and water holding capabilities.</description><identifier>ISSN: 1687-725X</identifier><identifier>EISSN: 1687-7268</identifier><identifier>DOI: 10.1155/2022/1114343</identifier><language>eng</language><publisher>New York: Hindawi</publisher><subject>Bulk density ; Carbon ; Coal ; Composition ; Gasification ; Moisture content ; Particle size ; Permeability ; Physical properties ; Precipitation ; Retention ; River basins ; Sandy loam ; Saturated soils ; Slag ; Slurries ; Soil improvement ; Soil properties ; Soil water ; Texture</subject><ispartof>Journal of sensors, 2022-09, Vol.2022, p.1-11</ispartof><rights>Copyright © 2022 Chunyan Yin et al.</rights><rights>Copyright © 2022 Chunyan Yin et al. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. https://creativecommons.org/licenses/by/4.0</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c404t-cf41fea74ac90803d93604de6b1cbf674a6f4379dac38e203f2bf8f4fd3faa153</citedby><cites>FETCH-LOGICAL-c404t-cf41fea74ac90803d93604de6b1cbf674a6f4379dac38e203f2bf8f4fd3faa153</cites><orcidid>0000-0003-0681-0859 ; 0000-0001-9116-2512 ; 0000-0002-6260-1528 ; 0000-0002-7668-4125 ; 0000-0003-4292-6461</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids></links><search><contributor>Li, Yuan</contributor><creatorcontrib>Yin, Chunyan</creatorcontrib><creatorcontrib>Zhao, Ju</creatorcontrib><creatorcontrib>Liu, Xiaoyu</creatorcontrib><creatorcontrib>Yu, Zhiguang</creatorcontrib><creatorcontrib>Liu, Hu</creatorcontrib><title>Effect of Coal Water Slurry Gasification Slag on Soil Water Physical Characteristics and Properties in Saline-Alkali Soil Improvement</title><title>Journal of sensors</title><description>To explore the effect of coal water slurry (CWS) gasification slag on the soil water physical characteristics of saline-alkali soil in the Yellow River Basin of Inner Mongolia, CWS gasification coarse slag (GCS) and gasification fine slag (GFS) were used as improvement materials and mixed with saline-alkali soil in different proportions. The influence mechanism of GCS and GFS on saline-alkali soil water holding capacity was investigated by measuring particle size composition, water holding capacity, and the change in the soil water characteristic curve after mixing. The results showed that adding gasification slag improved the particle size composition of saline-alkali soil, with sand content increased by -3.79%~217.31% and clay and silt content decreased by 5.77%~56.50% and -0.38%~41.53%, respectively. Soil bulk density decreased significantly (P<0.05), with a decrease range of 15.17%~45.1%. The soil texture changed from silty loam to sandy loam, and the water retention performance improved, affecting the soil saturated water content, capillary water holding capacity, and field water holding capacity (P<0.05), with increases ranging from 20.75%~86.15%, 7.84%~27.81%, and -1.89%~34.56%, respectively. After adding GCS and GFS, the VG model fit the soil water characteristic curve of saline-alkali soil well, indicating that the addition of gasification slag enhanced soil water retention significantly. In conclusion, CWS gasification slag effectively improved the water physical properties of saline-alkali soil and significantly enhanced the water retention and water holding capabilities.</description><subject>Bulk density</subject><subject>Carbon</subject><subject>Coal</subject><subject>Composition</subject><subject>Gasification</subject><subject>Moisture content</subject><subject>Particle size</subject><subject>Permeability</subject><subject>Physical properties</subject><subject>Precipitation</subject><subject>Retention</subject><subject>River basins</subject><subject>Sandy loam</subject><subject>Saturated soils</subject><subject>Slag</subject><subject>Slurries</subject><subject>Soil improvement</subject><subject>Soil properties</subject><subject>Soil water</subject><subject>Texture</subject><issn>1687-725X</issn><issn>1687-7268</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>RHX</sourceid><sourceid>BENPR</sourceid><recordid>eNp9kM1KAzEUhYMoWKs7HyDgUsfmb366LEOthYIFFd0Nt5nEpk4nNUmVPoDvbcpUl67O5dzvngsHoUtKbilN0wEjjA0opYILfoR6NCvyJGdZcfw3p6-n6Mz7FSEZzznvoe-x1koGbDUuLTT4BYJy-LHZOrfDE_BGGwnB2DZ68Ib3as0vNl_ufFw3uFyCAxkt44ORHkNb47mzG-WCUR6beAWNaVUyat7j0GVM1xtnP9VateEcnWhovLo4aB89342fyvtk9jCZlqNZIgURIZFaUK0gFyCHpCC8HvKMiFplCyoXOot-pgXPhzVIXihGuGYLXWiha64BaMr76KrLjZ8_tsqHamW3ro0vK5bTPKUFS3mkbjpKOuu9U7raOLMGt6soqfZFV_uiq0PREb_u8KVpa_gy_9M_PIB-6g</recordid><startdate>20220916</startdate><enddate>20220916</enddate><creator>Yin, Chunyan</creator><creator>Zhao, Ju</creator><creator>Liu, Xiaoyu</creator><creator>Yu, Zhiguang</creator><creator>Liu, Hu</creator><general>Hindawi</general><general>Hindawi Limited</general><scope>RHU</scope><scope>RHW</scope><scope>RHX</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SP</scope><scope>7U5</scope><scope>7XB</scope><scope>8AL</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>CWDGH</scope><scope>D1I</scope><scope>DWQXO</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JQ2</scope><scope>K7-</scope><scope>KB.</scope><scope>L6V</scope><scope>L7M</scope><scope>M0N</scope><scope>M7S</scope><scope>P5Z</scope><scope>P62</scope><scope>PDBOC</scope><scope>PHGZM</scope><scope>PHGZT</scope><scope>PIMPY</scope><scope>PKEHL</scope><scope>PQEST</scope><scope>PQGLB</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>Q9U</scope><orcidid>https://orcid.org/0000-0003-0681-0859</orcidid><orcidid>https://orcid.org/0000-0001-9116-2512</orcidid><orcidid>https://orcid.org/0000-0002-6260-1528</orcidid><orcidid>https://orcid.org/0000-0002-7668-4125</orcidid><orcidid>https://orcid.org/0000-0003-4292-6461</orcidid></search><sort><creationdate>20220916</creationdate><title>Effect of Coal Water Slurry Gasification Slag on Soil Water Physical Characteristics and Properties in Saline-Alkali Soil Improvement</title><author>Yin, Chunyan ; 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The influence mechanism of GCS and GFS on saline-alkali soil water holding capacity was investigated by measuring particle size composition, water holding capacity, and the change in the soil water characteristic curve after mixing. The results showed that adding gasification slag improved the particle size composition of saline-alkali soil, with sand content increased by -3.79%~217.31% and clay and silt content decreased by 5.77%~56.50% and -0.38%~41.53%, respectively. Soil bulk density decreased significantly (P<0.05), with a decrease range of 15.17%~45.1%. The soil texture changed from silty loam to sandy loam, and the water retention performance improved, affecting the soil saturated water content, capillary water holding capacity, and field water holding capacity (P<0.05), with increases ranging from 20.75%~86.15%, 7.84%~27.81%, and -1.89%~34.56%, respectively. After adding GCS and GFS, the VG model fit the soil water characteristic curve of saline-alkali soil well, indicating that the addition of gasification slag enhanced soil water retention significantly. In conclusion, CWS gasification slag effectively improved the water physical properties of saline-alkali soil and significantly enhanced the water retention and water holding capabilities.</abstract><cop>New York</cop><pub>Hindawi</pub><doi>10.1155/2022/1114343</doi><tpages>11</tpages><orcidid>https://orcid.org/0000-0003-0681-0859</orcidid><orcidid>https://orcid.org/0000-0001-9116-2512</orcidid><orcidid>https://orcid.org/0000-0002-6260-1528</orcidid><orcidid>https://orcid.org/0000-0002-7668-4125</orcidid><orcidid>https://orcid.org/0000-0003-4292-6461</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Bulk density Carbon Coal Composition Gasification Moisture content Particle size Permeability Physical properties Precipitation Retention River basins Sandy loam Saturated soils Slag Slurries Soil improvement Soil properties Soil water Texture |
| title | Effect of Coal Water Slurry Gasification Slag on Soil Water Physical Characteristics and Properties in Saline-Alkali Soil Improvement |
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