Article(id=1322904688756130172, tenantId=1146029695717560320, journalId=1225396423026438145, issueId=1322844250153275555, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1722614400000, receivedDateStr=2024-08-03, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1793334656179, onlineDateStr=2026-10-30, pubDate=1748102400000, pubDateStr=2025-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793334656179, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793334656179, creator=13701087609, updateTime=1793334656179, updator=13701087609, issue=Issue{id=1322844250153275555, tenantId=1146029695717560320, journalId=1225396423026438145, year='2025', volume='45', issue='5', pageStart='1', pageEnd='288', issueExtLink='null', onlineDate='null', pubDate='1748102400000', pubDateStr='2025-05-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793320246494, creator='13701087609', updateTime=1793320246494, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=264, endPage=276, ext={EN=ArticleExt(id=1322904690429657469, articleId=1322904688756130172, tenantId=1146029695717560320, journalId=1225396423026438145, language=EN, title=Preparation of Geopolymer with Iron Ore Tailings by Thermal-Chemical Activation and its Mechanism, columnId=null, journalTitle=Mining Research and Development, columnName=null, runingTitle=null, highlight=null, articleAbstract=
In order to solve the technical bottleneck of low reaction activity and limited usage of IOT (iron ore tailings) in preparation of geopolymers, IOT-based geopolymers were prepared with high-silica IOT and low-silica IOT as the main raw materials, metakaolin as the correction material and water glass as the alkali activator. The thermal-chemical activation was used to activate the activity of IOT. The XRD and SEM/EDS were used to analyze the changes in mineral composition of IOT before and after activation, and the influence of thermal chemical activation at 500 ℃ and 700 ℃ on the microstructure and structure of geopolymers was studied. The results show that the reactivity of IOT after thermal-chemical activation is significantly increased, the geopolymers have dense internal structure and the compressive strength is increased significantly. The suitable thermal-chemical activation temperature is 500 ℃. At the same thermal-chemical activation temperature, IOT with a 80 μm sieve residue of 10% exhibit the highest activity and the geopolymers prepared by them have the highest compressive strength. Compared with low-silica IOT, high-silica IOT can obtain a higher reactivity after thermal-chemical activation, and the geopolymers prepared with high-silica IOT have a higher compressive strength. Thermal-chemical activation causes partial transformation of low activity minerals in IOT, forming highly active minerals such as soluble sodium silicate and metastable amorphous substances.
, authors=Gang LIU
1, 2, 3, Chenguang HU
2, 3, Ruiying BAI
2, 3, Qiuming LI
1, Yukun AN
1, 2, 3, Xiaoxin FENG
2, 3, authorsList=Gang LIU, Chenguang HU, Ruiying BAI, Qiuming LI, Yukun AN, Xiaoxin FENG, authorCompany=null, correspAuthors=Xiaoxin FENG, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322904695605428635, articleId=1322904688756130172, tenantId=1146029695717560320, journalId=1225396423026438145, language=CN, title=热-化学活化铁尾矿制备地质聚合物及其机理研究, columnId=1226462297560892399, journalTitle=矿业研究与开发, columnName=选矿与资源综合利用, runingTitle=null, highlight=null, articleAbstract=
为了解决铁尾矿在制备地质聚合物时反应活性低、使用量受限的技术瓶颈,分别以高硅型铁尾矿和低硅型铁尾矿为主要原料,采用热-化学活化对其进行活性激发,然后以偏高岭土为校正材料,水玻璃为碱激发剂制备铁尾矿基地质聚合物。利用XRD和SEM/EDS等测试方法分析铁尾矿活化前后的矿物组成变化,研究了500 ℃和700 ℃热-化学活化对地质聚合物微观形貌和结构的影响。结果表明,两种铁尾矿经热-化学活化处理后的反应活性显著提高,制备的地质聚合物微观结构致密,抗压强度显著增大,较适宜的热-化学活化温度为500 ℃。80 μm筛余为10%的铁尾矿经相同的热-化学活化温度处理后活性最高,由其制备的地质聚合物的抗压强度最高;与低硅型铁尾矿相比,高硅型铁尾矿经热-化学活化后可以获得更高的反应活性,由其制备的地质聚合物抗压强度更高。热-化学活化使铁尾矿中的低活性矿物发生部分转化,形成了可溶性的硅酸钠及介稳态的不定形物质等高活性矿物。
, authors=刘刚
1, 2, 3, 胡晨光
2, 3, 白瑞英
2, 3, 李秋明
1, 安宇坤
1, 2, 3, 封孝信
2, 3, authorsList=刘刚, 胡晨光, 白瑞英, 李秋明, 安宇坤, 封孝信, authorCompany=null, correspAuthors=封孝信, authorNote=
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1, 2, 3, address=
1.College of Mining Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China
2.College of Material Science and Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China
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1, 2, 3, address=
1.华北理工大学 矿业工程学院,河北 唐山市 063210
2.华北理工大学 材料科学与工程学院,河北 唐山市 063210
3.河北省无机非金属材料重点实验室,河北 唐山市 063210, bio={"content":"
刘刚(1988—),男,河北保定人,博士研究生,实验师,主要从事水泥基材料和工业固废资源化利用研究。E-mail:liugang@ncst.edu.cn
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刘刚(1988—),男,河北保定人,博士研究生,实验师,主要从事水泥基材料和工业固废资源化利用研究。E-mail:liugang@ncst.edu.cn
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2, 3, address=
2.College of Material Science and Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China
3.Hebei Province Key Laboratory of Inorganic Nonmetallic Materials, Tangshan, Hebei 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322904696746279345, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, authorId=1322904696599478701, language=CN, stringName=胡晨光, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.华北理工大学 材料科学与工程学院,河北 唐山市 063210
3.河北省无机非金属材料重点实验室,河北 唐山市 063210, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322904695949361567, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, xref=2., ext=[AuthorCompanyExt(id=1322904695957750176, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, companyId=1322904695949361567, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
2.College of Material Science and Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China), AuthorCompanyExt(id=1322904696142299553, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, companyId=1322904695949361567, language=CN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.College of Material Science and Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China
3.Hebei Province Key Laboratory of Inorganic Nonmetallic Materials, Tangshan, Hebei 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322904696985354679, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, authorId=1322904696813388211, language=CN, stringName=白瑞英, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, 3, address=
2.华北理工大学 材料科学与工程学院,河北 唐山市 063210
3.河北省无机非金属材料重点实验室,河北 唐山市 063210, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322904695949361567, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, xref=2., ext=[AuthorCompanyExt(id=1322904695957750176, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, companyId=1322904695949361567, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1, address=
1.College of Mining Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322904697228624316, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, authorId=1322904697069240761, language=CN, stringName=李秋明, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=
1.华北理工大学 矿业工程学院,河北 唐山市 063210, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null)}, companyList=[AuthorCompany(id=1322904695861281180, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, xref=1., ext=[AuthorCompanyExt(id=1322904695869669789, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, companyId=1322904695861281180, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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1.华北理工大学 矿业工程学院,河北 唐山市 063210)])]), Author(id=1322904697337676222, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, orderNo=4, firstName=null, middleName=null, lastName=null, nameCn=null, orcid=null, stid=null, country=null, authorPic=null, dead=0, email=null, emailSecond=null, emailThird=null, correspondingAuthor=0, authorType=1, ext={EN=AuthorExt(id=1322904697442533826, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, authorId=1322904697337676222, language=EN, stringName=Yukun AN, firstName=Yukun, middleName=null, lastName=AN, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1.College of Mining Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China
2.College of Material Science and Engineering, North China University of Science and Technology, Tangshan, Hebei 063210, China
3.Hebei Province Key Laboratory of Inorganic Nonmetallic Materials, Tangshan, Hebei 063210, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1322904697526419907, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, authorId=1322904697337676222, language=CN, stringName=安宇坤, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, 2, 3, address=
1.华北理工大学 矿业工程学院,河北 唐山市 063210
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Particle size distribution of H-IOT and L-IOT, figureFileSmall=P2D3DZcyX9520mo827pDtg==, figureFileBig=wJqu43IoYMt47H0us3kx3Q==, tableContent=null), ArticleFig(id=1322904700491792853, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=图2, caption=
H-IOT和L-IOT的粒度分布, figureFileSmall=P2D3DZcyX9520mo827pDtg==, figureFileBig=wJqu43IoYMt47H0us3kx3Q==, tableContent=null), ArticleFig(id=1322904700558901718, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Fig.3, caption=
Effects of different thermal-chemical activation temperatures on compressive strength of H-IOT based geopolymers with the same fineness, figureFileSmall=uPflyZz74QlW2IoMxnkNvg==, figureFileBig=CfQjqVOXoGmvtGI+REScCg==, tableContent=null), ArticleFig(id=1322904700626010583, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=图3, caption=
不同热-化学活化温度对相同细度H-IOT基地质聚合物抗压强度的影响, figureFileSmall=uPflyZz74QlW2IoMxnkNvg==, figureFileBig=CfQjqVOXoGmvtGI+REScCg==, tableContent=null), ArticleFig(id=1322904700718285272, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Fig.4, caption=
Effects of different IOT fineness on compressive strength of H-IOT based geopolymers at same temperature, figureFileSmall=Hxgv81CvAcLULepx1YDHuQ==, figureFileBig=Ln6bWHvdq3S9RdcLGI9WRA==, tableContent=null), ArticleFig(id=1322904700810559961, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=图4, caption=
相同温度条件下不同铁尾矿细度对H-IOT基地质聚合物抗压强度的影响, figureFileSmall=Hxgv81CvAcLULepx1YDHuQ==, figureFileBig=Ln6bWHvdq3S9RdcLGI9WRA==, tableContent=null), ArticleFig(id=1322904700881863130, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Fig.5, caption=
Effect of different thermal-chemical activation temperatures on compressive strength of L-IOT based geopolymers with the same fineness, figureFileSmall=/sWr84ohOZlpT0bohIx70A==, figureFileBig=HpwLGus1Gpd6HZAuDqGjmQ==, tableContent=null), ArticleFig(id=1322904700995109339, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=图5, caption=
不同热-化学活化温度对相同细度L-IOT基地质聚合物抗压强度的影响, figureFileSmall=/sWr84ohOZlpT0bohIx70A==, figureFileBig=HpwLGus1Gpd6HZAuDqGjmQ==, tableContent=null), ArticleFig(id=1322904701074801116, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Fig.6, caption=
Effect of different IOT fineness on compressive strength of L-IOT based geopolymers at same temperature, figureFileSmall=deopkunLa82BmUPcI4UKKw==, figureFileBig=5AdG2Okq03U0f9+Xf4teeg==, tableContent=null), ArticleFig(id=1322904701158687197, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=图6, caption=
相同温度条件下不同铁尾矿细度对L-IOT基地质聚合物抗压强度的影响, figureFileSmall=deopkunLa82BmUPcI4UKKw==, figureFileBig=5AdG2Okq03U0f9+Xf4teeg==, tableContent=null), ArticleFig(id=1322904701242573278, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Fig.7, caption=
Images of H-IOT before and after thermal-chemical activation treatment, figureFileSmall=i0lhM3II/0De0f5eMlEMKg==, figureFileBig=GR1Cn7PE+6DRNGNx6EdlbQ==, tableContent=null), ArticleFig(id=1322904701343236575, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=图7, caption=
H-IOT经热-化学活化处理前后的照片, figureFileSmall=i0lhM3II/0De0f5eMlEMKg==, figureFileBig=GR1Cn7PE+6DRNGNx6EdlbQ==, tableContent=null), ArticleFig(id=1322904701406151137, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Fig.8, caption=
Images of L-IOT before and after thermal-chemical activation treatment, figureFileSmall=ipveoblSVehgEKqY1piPoQ==, figureFileBig=DB74kO9xCop0SktbGng1qQ==, tableContent=null), ArticleFig(id=1322904701590700515, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=图8, caption=
L-IOT经热-化学活化处理前后的照片, figureFileSmall=ipveoblSVehgEKqY1piPoQ==, figureFileBig=DB74kO9xCop0SktbGng1qQ==, tableContent=null), ArticleFig(id=1322904701653615077, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Fig.9, caption=
XRD pattern of H-IOT after thermal-chemical activation, figureFileSmall=tGdsMHuv9lu7ZZb0UhPQ8g==, figureFileBig=2yrAK7gnfQqFE2N0w7kM4A==, tableContent=null), ArticleFig(id=1322904701716529638, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=图9, caption=
H-IOT经热-化学活化后的XRD图谱, figureFileSmall=tGdsMHuv9lu7ZZb0UhPQ8g==, figureFileBig=2yrAK7gnfQqFE2N0w7kM4A==, tableContent=null), ArticleFig(id=1322904701812998631, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Fig.10, caption=
XRD pattern of L-IOT after thermal-chemical activation, figureFileSmall=Egs3GSQ9QbgiTlKAz4C7cw==, figureFileBig=bMEe5Aw7BIEU7sabRdjVgA==, tableContent=null), ArticleFig(id=1322904702031102440, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=图10, caption=
L-IOT铁尾矿经热-化学活化后的XRD图谱, figureFileSmall=Egs3GSQ9QbgiTlKAz4C7cw==, figureFileBig=bMEe5Aw7BIEU7sabRdjVgA==, tableContent=null), ArticleFig(id=1322904703582994921, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Fig.11, caption=
XRD patterns of IOT-based geopolymers after curing at 20 ℃ for 28 days, figureFileSmall=RPIOgnhwJlHjhFdQ4rkCZQ==, figureFileBig=DOuTrXvJ30DWNMhQHUsxIA==, tableContent=null), ArticleFig(id=1322904703658492394, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=图11, caption=
铁尾矿基地质聚合物在20 ℃条件下养护28 d后的XRD图谱, figureFileSmall=RPIOgnhwJlHjhFdQ4rkCZQ==, figureFileBig=DOuTrXvJ30DWNMhQHUsxIA==, tableContent=null), ArticleFig(id=1322904703738184171, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Fig.12, caption=
SEM and EDS spectra of H-IOT based geopolymers after curing at 20 ℃ for 28 days, figureFileSmall=icj2OqAw+eBjHdMWXtxAKQ==, figureFileBig=EFOqE5E7lXB2DYMZvsUlvA==, tableContent=null), ArticleFig(id=1322904703809487340, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=图12, caption=
H-IOT基地质聚合物在20 ℃养护28 d后的SEM图像和EDS图谱, figureFileSmall=icj2OqAw+eBjHdMWXtxAKQ==, figureFileBig=EFOqE5E7lXB2DYMZvsUlvA==, tableContent=null), ArticleFig(id=1322904703884984813, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Fig.13, caption=
SEM and EDS spectra of L-IOT based geopolymers after curing at 20 ℃ for 28 days, figureFileSmall=B81vuyFMsFDDr18k5k+6aw==, figureFileBig=2NZCM5nH3efrD13gH1R6oQ==, tableContent=null), ArticleFig(id=1322904703956287982, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=图13, caption=
L-IOT基地质聚合物在20 ℃养护28 d后的SEM图像和EDS图谱, figureFileSmall=B81vuyFMsFDDr18k5k+6aw==, figureFileBig=2NZCM5nH3efrD13gH1R6oQ==, tableContent=null), ArticleFig(id=1322904704019202543, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Table 1, caption=
Chemical composition of iron ore tailings
, figureFileSmall=null, figureFileBig=null, tableContent=
| 尾矿类型 | SiO2 | Al2O3 | Fe2O3 | CaO | MgO | K2O | Na2O | TiO2 | MnO | SO3 |
|---|
| H-IOT | 67.594 | 4.324 | 17.109 | 4.405 | 3.358 | 1.430 | 0.828 | 0.151 | 0.262 | 0.246 |
| L-IOT | 37.715 | 10.335 | 16.305 | 20.835 | 5.840 | 2.415 | 1.585 | 0.780 | 0.536 | — |
), ArticleFig(id=1322904704090505712, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=表1, caption=
铁尾矿的化学组成
, figureFileSmall=null, figureFileBig=null, tableContent=
| 尾矿类型 | SiO2 | Al2O3 | Fe2O3 | CaO | MgO | K2O | Na2O | TiO2 | MnO | SO3 |
|---|
| H-IOT | 67.594 | 4.324 | 17.109 | 4.405 | 3.358 | 1.430 | 0.828 | 0.151 | 0.262 | 0.246 |
| L-IOT | 37.715 | 10.335 | 16.305 | 20.835 | 5.840 | 2.415 | 1.585 | 0.780 | 0.536 | — |
), ArticleFig(id=1322904704161808881, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Table 2, caption=
Main chemical composition of metakaolin
, figureFileSmall=null, figureFileBig=null, tableContent=
| SiO2 | Al2O3 | Fe2O3 | CaO | MgO | K2O | Na2O | TiO2 |
|---|
| 52.46 | 45.62 | 0.48 | 0.16 | 0.13 | 0.15 | 0.11 | 0.88 |
), ArticleFig(id=1322904704237306354, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=表2, caption=
偏高岭土的主要化学组成
, figureFileSmall=null, figureFileBig=null, tableContent=
| SiO2 | Al2O3 | Fe2O3 | CaO | MgO | K2O | Na2O | TiO2 |
|---|
| 52.46 | 45.62 | 0.48 | 0.16 | 0.13 | 0.15 | 0.11 | 0.88 |
), ArticleFig(id=1322904704312803827, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=EN, label=Table 3, caption=
Density and fineness parameters of H-IOT and L-IOT
, figureFileSmall=null, figureFileBig=null, tableContent=
| 尾矿类型 | 密度/(kg·m–3) | 细度(80 μm筛余)/% | 比表面积/(m2·kg–1) | 体积平均粒径 /μm | D10/μm | 中值粒径D50/μm | D90/μm |
|---|
| H-IOT | 2 800 | 20(粗粉) | 234 | 59.68 | 3.560 | 39.80 | 148.26 |
| 15(中粉) | 263 | 48.70 | 2.690 | 32.88 | 118.45 |
| 10(细粉) | 322 | 43.41 | 2.480 | 29.15 | 105.09 |
| L-IOT | 2 750 | 20(粗粉) | 253 | 52.50 | 2.220 | 28.97 | 127.22 |
| 15(中粉) | 287 | 47.25 | 1.996 | 27.59 | 112.06 |
| 10(细粉) | 372 | 39.67 | 1.733 | 25.78 | 98.05 |
), ArticleFig(id=1322904704384106996, tenantId=1146029695717560320, journalId=1225396423026438145, articleId=1322904688756130172, language=CN, label=表3, caption=
H-IOT 和 L-IOT 的密度和细度参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 尾矿类型 | 密度/(kg·m–3) | 细度(80 μm筛余)/% | 比表面积/(m2·kg–1) | 体积平均粒径 /μm | D10/μm | 中值粒径D50/μm | D90/μm |
|---|
| H-IOT | 2 800 | 20(粗粉) | 234 | 59.68 | 3.560 | 39.80 | 148.26 |
| 15(中粉) | 263 | 48.70 | 2.690 | 32.88 | 118.45 |
| 10(细粉) | 322 | 43.41 | 2.480 | 29.15 | 105.09 |
| L-IOT | 2 750 | 20(粗粉) | 253 | 52.50 | 2.220 | 28.97 | 127.22 |
| 15(中粉) | 287 | 47.25 | 1.996 | 27.59 | 112.06 |
| 10(细粉) | 372 | 39.67 | 1.733 | 25.78 | 98.05 |
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