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  1. Book ; Online ; E-Book: Interpretation of green mine evaluation index

    Deng, Jiushuai

    2022  

    Author's details Jiushuai Deng [and five others]
    Keywords Mineral industries/Environmental aspects ; Mines and mineral resources/Environmental aspects
    Subject code 333.765
    Language English
    Size 1 online resource (354 pages)
    Publisher Springer
    Publishing place Gateway East, Singapore
    Document type Book ; Online ; E-Book
    Remark Zugriff für angemeldete ZB MED-Nutzerinnen und -Nutzer
    ISBN 981-16-5432-8 ; 981-16-5433-6 ; 978-981-16-5432-9 ; 978-981-16-5433-6
    Database ZB MED Catalogue: Medicine, Health, Nutrition, Environment, Agriculture

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  2. Article ; Online: Formulation of ferric/phosphorus composite coating on coal gangue as a novel fertilizer for enhancing slow-release of silicon and implication of As, Cr and Pb.

    Lv, Xin / Yang, Sen / Deng, Jiushuai / Lei, Jianlan / Shu, Zigang

    Journal of environmental management

    2024  Volume 354, Page(s) 120347

    Abstract: Owing to the abundant silicon content in coal gangue, its conversion into fertilizer can help address large-scale storage. Nonetheless, the rapid release of silicon in coal gangue poses challenges for plants to fully utilize it. A slow-release fertilizer ...

    Abstract Owing to the abundant silicon content in coal gangue, its conversion into fertilizer can help address large-scale storage. Nonetheless, the rapid release of silicon in coal gangue poses challenges for plants to fully utilize it. A slow-release fertilizer prepared by ferric/phosphorus composite coating on coal gangue (C@SP) was developed in the study. The findings revealed that the C@SP can facilitate slow release of Si and enhance the stabilization of As, Pb, and Cr in soil. C@SP can react with As and Cr to form stable Fe-As-PO
    MeSH term(s) Silicon ; Ferric Compounds ; Fertilizers ; Lead ; Phosphorus ; Coal ; Iron ; Soil
    Chemical Substances Silicon (Z4152N8IUI) ; Ferric Compounds ; Fertilizers ; Lead (2P299V784P) ; Phosphorus (27YLU75U4W) ; Coal ; Iron (E1UOL152H7) ; Soil
    Language English
    Publishing date 2024-02-14
    Publishing country England
    Document type Journal Article
    ZDB-ID 184882-3
    ISSN 1095-8630 ; 0301-4797
    ISSN (online) 1095-8630
    ISSN 0301-4797
    DOI 10.1016/j.jenvman.2024.120347
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Pyrite and humus soil-coupled mixotrophic denitrification system for efficient nitrate and phosphate removal.

    Lv, Xin / Zhang, Wenxi / Deng, Jiushuai / Feng, Shengyuan / Zhan, Hongzhi

    Environmental research

    2024  Volume 247, Page(s) 118105

    MeSH term(s) Nitrates ; Phosphates ; Denitrification ; Soil ; Sulfides ; Bioreactors ; Nitrogen ; Iron
    Chemical Substances Nitrates ; pyrite (132N09W4PR) ; Phosphates ; Soil ; Sulfides ; Nitrogen (N762921K75) ; Iron (E1UOL152H7)
    Language English
    Publishing date 2024-01-13
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 205699-9
    ISSN 1096-0953 ; 0013-9351
    ISSN (online) 1096-0953
    ISSN 0013-9351
    DOI 10.1016/j.envres.2024.118105
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    Zs.A 726: Show issues Location:
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  4. Article ; Online: Effect of Sulfuric Acid Corrosion on Flotation Performance of Calcite by Changing Surface Roughness.

    Xing, Dingquan / Sun, Ruofan / Ma, Shuai / Wen, Heping / Wang, Zhongchi / Deng, Jiushuai

    Molecules (Basel, Switzerland)

    2024  Volume 29, Issue 5

    Abstract: Surface roughness is a crucial factor that affects the flotation performance of minerals. In this study, the effect of sulfuric acid corrosion on the surface roughness of calcite flotation was investigated through microflotation tests, scanning electron ... ...

    Abstract Surface roughness is a crucial factor that affects the flotation performance of minerals. In this study, the effect of sulfuric acid corrosion on the surface roughness of calcite flotation was investigated through microflotation tests, scanning electron microscopy (SEM-EDS), atomic force microscopy (AFM), Fourier transform infrared (FT-IR) spectroscopy, and contact angle analysis. Microflotation test results show that sulfuric acid treatment has a serious negative effect on the floatability of calcite. When the sulfuric acid dosage was 4 mL (3 mol/L), the flotation recovery of calcite was reduced to less than 19%. SEM-EDS and AFM results verified that the sulfuric acid treatment significantly changed the surface morphology of calcite, reduced the average surface roughness and surface area, and reduced the amount of active Ca
    Language English
    Publishing date 2024-02-29
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1413402-0
    ISSN 1420-3049 ; 1431-5165 ; 1420-3049
    ISSN (online) 1420-3049
    ISSN 1431-5165 ; 1420-3049
    DOI 10.3390/molecules29051062
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: Study on the microscopic aggregation behavior of lignite molecules in water

    Qiu, Hongxin / Deng, Jiushuai / Wu, Bozeng / Sun, Xiaohao / Cai, Jiaozhong / Chen, Zherui / Xu, Hongxiang

    Colloids and surfaces. 2022 Mar. 20, v. 637

    2022  

    Abstract: Molecular simulation is a reliable tool for studying the self-aggregation behavior of lignite molecules in a solution. To explore how the molecular structure of lignite influences its aggregation behavior, ¹³C NMR analysis was first performed to ... ...

    Abstract Molecular simulation is a reliable tool for studying the self-aggregation behavior of lignite molecules in a solution. To explore how the molecular structure of lignite influences its aggregation behavior, ¹³C NMR analysis was first performed to construct its molecular structure. Molecular simulation results show that the extreme regions of the electrostatic potential on the lignite surface mainly appear near the polar functional groups. In a solution, the hydrogen bonding and van der Waals interactions between lignite and water molecules will hinder the self-aggregation of the former ones. The self-aggregation process of lignite molecules can be divided into three stages: Brownian (random) motion, agglomeration, and structural adjustment. Driven by the Lennard-Jones and electrostatic potentials, the lignite molecules gradually aggregate to form a cluster. This process will destroy the hydration film on the lignite surface, ultimately decreasing the number of hydrogen bonds and changing the orientation of the water molecules. Increasing the number of lignite molecules will help their spontaneous aggregation. This work reveals the self-aggregation process of lignite molecules and helps to understand their aggregation behavior in solution. This work provides theoretical guidance for solving the flocculation settlement of slime water.
    Keywords aggregation behavior ; flocculation ; hydrogen ; lignite ; molecular dynamics ; van der Waals forces
    Language English
    Dates of publication 2022-0320
    Publishing place Elsevier B.V.
    Document type Article
    ZDB-ID 1500517-3
    ISSN 0927-7757
    ISSN 0927-7757
    DOI 10.1016/j.colsurfa.2021.128194
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  6. Article: Novel insight into the lead sulfide species formed on hemimorphite surface during lead ions improved sulfidation

    Zhang, Xi / Deng, Jiushuai / Wang, Yu / Wang, Guoyong / Xu, Hongxiang

    Colloids and surfaces. 2022 Nov. 20, v. 653

    2022  

    Abstract: Hemimorphite always required the activation by lead ions (Pb²⁺) to realize recovery in the sulfidation-xanthate flotation. However, there is no accurate description of the formation of lead sulfide species on the hemimorphite surface after Pb²⁺ ... ...

    Abstract Hemimorphite always required the activation by lead ions (Pb²⁺) to realize recovery in the sulfidation-xanthate flotation. However, there is no accurate description of the formation of lead sulfide species on the hemimorphite surface after Pb²⁺ activation. Herein, micro-flotation experiments, ICP-OES tests, Visual MINTEQ calculation, XPS analysis, TOF-SIMS analysis and contact angle measurements were investigated to elucidate it. The micro-flotation experiment results demonstrated that the stable adsorption of Pb²⁺ on the surface could improve the floatability of hemimorphite. Visual MINTEQ calculation results suggested that PbS was easier to form and saturate than ZnS in the pulp solution containing Pb²⁺. XPS and TOF-SIMS analysis results further confirmed the generation of PbS and ZnS on the hemimorphite surface. Except for the ion-exchange reaction with ZnS to form PbS, Pb²⁺ species could interact with the -OH components on the hemimorphite surface via the dehydration reaction to produce -O-Pb complexes. The formation of -O-Pb complexes increased the adsorption site of sulfur components on the hemimorphite surface, resulting in more PbS species precipitating on the hemimorphite surface. Overall, all results showed that Pb²⁺ was essential to improving the floatability and hydrophobicity of hemimorphite.
    Keywords adsorption ; contact angle ; hydrophobicity ; ion exchange ; lead ; pulp ; sulfides ; sulfur
    Language English
    Dates of publication 2022-1120
    Publishing place Elsevier B.V.
    Document type Article
    ZDB-ID 1500517-3
    ISSN 0927-7757
    ISSN 0927-7757
    DOI 10.1016/j.colsurfa.2022.129959
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  7. Article: An exploratory study on strategic metal recovery of coal gangue and sustainable utilization potential of recovery residue

    Qin, Qizheng / Deng, Jiushuai / Geng, Huanhuan / Bai, Zhongyi / Gui, Xiahui / Ma, Zhitao / Miao, Zhenyong

    Journal of cleaner production. 2022 Mar. 15, v. 340

    2022  

    Abstract: Coal gangue is a resource that is often improperly managed, especially during the current strategic metal element shortage. Achieving the efficient and green cooperative recovery of primary elements and strategic metal elements is critical, especially in ...

    Abstract Coal gangue is a resource that is often improperly managed, especially during the current strategic metal element shortage. Achieving the efficient and green cooperative recovery of primary elements and strategic metal elements is critical, especially in the treatment without acid and alkali. In this study, the low-temperature combined roasting-DI water leaching method extracted valuable elements and prepared adsorption materials from coal gangue. The element migration and reaction mechanisms were investigated in detail. The results show that the primary reaction path includes the decomposition of ammonium sulfate into ammonium hydrogen sulfate, which reacts with kaolinite to form aluminum ammonium sulfate. Al, Fe, Ga, Li, Mg, Sr, Ti, and V were strongly correlated during roasting. The combined roasting of ammonium chloride and ammonium sulfate promoted the dissolution of Al and Li significantly. The specific surface area of water-leached gangue residue was adjusted by combined roasting, and its adsorption effect on lead ions was stronger than that of raw gangue and kaolinite. The present process presents an eco-friendly solution for the comprehensive utilisation of coal gangue.
    Keywords adsorption ; aluminum ; ammonium ; ammonium chloride ; ammonium sulfate ; coal ; hydrogen ; kaolinite ; lead ; surface area
    Language English
    Dates of publication 2022-0315
    Publishing place Elsevier Ltd
    Document type Article
    ISSN 0959-6526
    DOI 10.1016/j.jclepro.2022.130765
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  8. Article: A residue reutilization strategy on fluorine-containing water purification

    Deng, Jiushuai / Ma, Zhitao / Qin, Qizheng / Liu, Wenli / Wang, Bin

    Journal of cleaner production. 2022 Oct. 15, v. 371

    2022  

    Abstract: The comprehensive utilization of coal gangue is a severe problem that many countries and regions confront. Extracting strategic metals from coal gangue and adequately treating the residue constitute a possible complete utilization route of coal gangue. ... ...

    Abstract The comprehensive utilization of coal gangue is a severe problem that many countries and regions confront. Extracting strategic metals from coal gangue and adequately treating the residue constitute a possible complete utilization route of coal gangue. This paper studied the structural characteristics and surface properties of ammonium salt roasting-water leaching residue by XRD, BET, XPS, FTIR, and XRF. The adsorption behaviour of leaching residue for fluorine ions was studied using batch adsorption tests, isothermal models, and fluoride removal tests of mine water. The results show that the leaching residue had a fast adsorption speed (1 min), a wide applicable pH range (4–11), and a wide applicable temperature range (25 °C–50 °C). The removal rate of fluorine in high-concentration (50 mg/L) and low-concentration (5 mg/L) fluorine-containing water reached more than 50%. The primary adsorption mechanism was ion exchange between fluorine ions and Al–OH in the leaching residue. The actual mine water test showed that the leaching residue did not introduce organic pollutants and accelerated the settlement of mine water. This study puts forward a new and environmentally friendly avenue for residue reutilization, which is of positive significance to promoting the comprehensive utilization of coal gangue.
    Keywords adsorption ; ammonium salts ; coal ; fluorides ; fluorine ; ion exchange ; pH ; temperature ; water purification
    Language English
    Dates of publication 2022-1015
    Publishing place Elsevier Ltd
    Document type Article
    ISSN 0959-6526
    DOI 10.1016/j.jclepro.2022.133613
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  9. Article ; Online: Efficient benzo(a)pyrene degradation by coal gangue-based catalytic material for peroxymonosulfate activation.

    Li, Chunquan / Yin, Shuaijun / Yan, Yutong / Liang, Chao / Ma, Qingshui / Guo, Rui / Zhang, Yubo / Deng, Jiushuai / Sun, Zhiming

    Journal of environmental management

    2023  Volume 351, Page(s) 119645

    Abstract: A low cost and green peroxymonosulfate (PMS) activation catalyst (CG-Ca-N) was successfully prepared with coal gangue (CG), calcium chloride, and melamine as activator. Under the optimal conditions, the CG-Ca-N can remove 100 % for benzo(a)pyrene (Bap) ... ...

    Abstract A low cost and green peroxymonosulfate (PMS) activation catalyst (CG-Ca-N) was successfully prepared with coal gangue (CG), calcium chloride, and melamine as activator. Under the optimal conditions, the CG-Ca-N can remove 100 % for benzo(a)pyrene (Bap) in an aqueous solution after 20 min and 72.06 % in soil slurry medium within 60 min, which also display excellent reuse ability toward Bap after three times. The removal of Bap is significantly decreased when the initial pH value was greater than 9 and obviously inhibited in the presence of HCO
    MeSH term(s) Benzo(a)pyrene ; Calcium Chloride ; Peroxides/chemistry ; Soil
    Chemical Substances peroxymonosulfate (22047-43-4) ; Benzo(a)pyrene (3417WMA06D) ; Calcium Chloride (M4I0D6VV5M) ; Peroxides ; Soil
    Language English
    Publishing date 2023-12-03
    Publishing country England
    Document type Journal Article
    ZDB-ID 184882-3
    ISSN 1095-8630 ; 0301-4797
    ISSN (online) 1095-8630
    ISSN 0301-4797
    DOI 10.1016/j.jenvman.2023.119645
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    In stock of ZB MED Bonn / Germany

    Z 7556: Show issues

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  10. Article ; Online: A review of flotation reagents for bastnäsite-(Ce) rare earth ore.

    Liu, Chang / Xu, Longhua / Deng, Jiushuai / Tian, Jia / Wang, Donghui / Xue, Kai / Zhang, Xi / Wang, Yan / Fang, Jinmei / Liu, Jiongtian

    Advances in colloid and interface science

    2023  Volume 321, Page(s) 103029

    Abstract: Given the indispensability and immense value of rare earth elements for scientific and technological advancements in the 21st century, extracting high-quality rare earth resources from nature has become a global priority. Bastnäsite-(Ce) is one of the ... ...

    Abstract Given the indispensability and immense value of rare earth elements for scientific and technological advancements in the 21st century, extracting high-quality rare earth resources from nature has become a global priority. Bastnäsite-(Ce) is one of the known rare earth minerals with high rare earth content and wide distribution, which occupies a pivotal position in human life and high-end production activities, making its efficient development and utilization crucial. In recent years, research on separating bastnäsite-(Ce) from gangue minerals has focused on the flotation process, with flotation reagents playing a critical role in achieving effective separation. This paper provides a detailed summary of current research on the behavior of bastnäsite-(Ce) flotation agents on minerals, their interaction with mineral surfaces during flotation separation, and outlines future prospects for further research.
    Language English
    Publishing date 2023-10-16
    Publishing country Netherlands
    Document type Journal Article ; Review
    ZDB-ID 210507-x
    ISSN 1873-3727 ; 0001-8686
    ISSN (online) 1873-3727
    ISSN 0001-8686
    DOI 10.1016/j.cis.2023.103029
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