CALCITE

作品数：154被引量：481H指数：12
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Flotation separation of scheelite and calcite using the biopolymer konjac glucomannan:A novel and eco-friendly depressant
《International Journal of Minerals,Metallurgy and Materials》2025年第5期1056-1067,共12页Zhenhao Guan Ying Zhang Shuming Wen Qi Zuo Yu Wu Xiaokang Li 
supported by the National Natural Science Foundation of China(No.52164022).
This study investigated the effect of konjac glucomannan(KGM)on the flotation separation of calcite and scheelite.Micro-flotation tests showed that under the action of 50 mg/L KGM,the floatability of calcite notably d...
关键词：SCHEELITE CALCITE selective depressant konjac glucomannan surface adsorption FLOTATION 
LA-ICP-MS U-Pb geochronology of calcites reveals multiphase tectonic activities and associated fluid flow in Western Shunbei area,NW China
《Science China Earth Sciences》2025年第4期1180-1188,共9页Shaofeng DONG Jun HAN Jianxin ZHAO Donghua YOU 
supported by the National Natural Science Foundation of China(Grant No.42072139)。
Here we performed LA-ICP-MS U-Pb geochronology of individual calcite cements from different regions within a single strike-slip intra-cratonic fault in the Western Shunbei area,Tarim Basin,NW China.U-Pb geochronology ...
关键词：Calcite U-Pb dating Fluid flow Caledonian orogeny Proto-Tethys Ocean Tarim Basin 
Laboratory experiments of carbon mineralization potential of the main terrestrial basalt reservoirs in China
《Geoscience Frontiers》2025年第1期189-208,共20页Yanning Pan Yunhua Liu Zengqian Hou Qiang Sun Nianzhi Jiao Guochen Dong Jihua Liu Gaoxue Yang Huiting Zhang Hailiang Jia Hao Huang 
funded by National Natural Science Foundation of China(General Program No.41872219 and Grant No.42303052);the National Key R&D Program of China(No.2023YFE0120500);funded by the Major Project of Inner Mongolia Science and Technology,China(Grant No.2021ZD0034);supported by Science and Technology Plan Projects in Shaanxi Province,China(No.2023-JC-YB-236).
Against the background of realizing the goal of“carbon peaking and carbon neutrality”,using basaltic rocks for carbon mineralization is one of the most promising approaches to reduce the rise in atmospheric CO_(2)co...
关键词：BASALT CALCITE CO_(2)storage Mineral carbonation Negative emissions 
Flotation separation of brucite and calcite in dodecylamine system enhanced by regulator potassium dihydrogen phosphate被引量：1
《Transactions of Nonferrous Metals Society of China》2024年第8期2658-2670,共13页Xiu-feng GONG Jin YAO Bin YANG Wan-zhong YIN Yu-lian WANG Ya-feng FU 
the General Program of the National Natural Science Foundation of China(Nos.51974064,52174239);the National Key R&D Program of China(No.2021YFC2902400);the Outstanding Postdoctoral Program of Jiangsu Province,China(No.2022ZB521).
To achieve efficient flotation separation of brucite and calcite,flotation separation experiments were conducted on two minerals using dodecylamine(DDA)as the collector and potassium dihydrogen phosphate(PDP)as the re...
关键词：BRUCITE CALCITE selective adsorption flotation separation 
Adsorption behavior of CO_(2)/H_(2)S mixtures in calcite slit nanopores for CO_(2) storage:An insight from molecular perspective
《Petroleum Science》2024年第4期2444-2456,共13页Cheng Qian Zhen-Hua Rui Yue-Liang Liu Kai Du Chen Liu Yang Zhao Xiao-Min Ma 
financial support from the National Natural Science Foundation of China (Grant No.52004320);the Science Foundation of China University of Petroleum,Beijing (No.2462021QNXZ012,No.2462022BJRC001,and No.2462021YJRC012);the funding from the State Key Laboratory of Petroleum Resources and Engineering (No.PRP/indep-1-2103)。
It is acknowledged that injecting CO_(2) into oil reservoirs and saline aquifers for storage is a practical and affordable method for CO_(2) sequestration.Most CO_(2) produced from industrial exhaust contains impurity...
关键词：Adsorption behavior CO_(2)/H_(2)S binary mixtures Molecular perspective Calcite slit nanopores CO_(2)sequestration 
Coupled bio-chemo-hydro-mechanical modeling of microbially induced calcite precipitation process considering biomass encapsulation using a micro-scale relationship
《Journal of Rock Mechanics and Geotechnical Engineering》2024年第7期2775-2789,共15页Pavan Kumar Bhukya Nandini Adla Dali Naidu Arnepalli 
the funding support from the Ministry of Education,Government of India,under the Prime Minister Research Fellowship programme(Grant Nos.SB21221901CEPMRF008347 and SB22230217CEPMRF008347).
Geomaterials with inferior hydraulic and strength characteristics often need improvement to enhance their engineering behaviors.Traditional ground improvement techniques require enormous mechanical effort or synthetic...
关键词：Biocementation process Bio-chemo-hydro-mechanical(BCHM) model Reactive transport ENCAPSULATION MICRO-SCALE 
Preparation of high-purity fluorite and nanoscale calcium carbonate from low-grade fluorite
《International Journal of Minerals,Metallurgy and Materials》2024年第6期1198-1207,共10页Qianqian Lu Haisheng Han Wenjuan Sun Xingfei Zhang Weiwei Wang Bilan Zhang Wensheng Chen Qin Zou 
supported by the National Key Research Center and Development Program of the 14th Five-Year Plan,China(No.2022YFC2905105);National Natural Science Foundation of China(Nos.52122406 and 52004337);Hunan High-tech Industry Technology Innovation Leading Plan,China(No.2022GK4056);Hunan Innovative Province Construction Special Project,China(No.2020RC3001);Hunan Postgraduate Research and Innovation Project,China(No.CX20220200).
Flotation separation of calcite from fluorite is a challenge on low-grade fluorite flotation that limits the recovery and purity of fluorite concentrate.A new acid leaching–flotation process for fluorite is proposed ...
关键词：FLUORITE CALCITE nanoscale calcium carbonate waste recovery 
Development and Characterization of Calcium Based Biocomposites Using Waste Material (Calcite Stones) for Biomedical Applications
《Materials Sciences and Applications》2024年第5期113-135,共23页Tasmim Adry Nuzhat Tabassum Maisha Md. Abdul Gafur Suraya Sabrin Soshi Maruf Hasan 
Calcium-based biocomposite materials have a pivotal role in the biomedical field with their diverse properties and applications in combating challenging medical problems. The study states the development and character...
关键词：HYDROXYAPATITE Calcium-Based Biocomposites PVA-Gelatin Films Drug Delivery Bone Tissue Engineering 
Druse Calcite Crystals Formed by Mesoproterozoic Paleo-Earthquake Activity in the Northern Margin of the North China Craton
《Journal of Earth Science》2024年第2期514-524,共11页Yueshuang Du Zhiguang Zhou Guosheng Wang Chen Wu Wenchao Xu 
supported by the National Natural Science Foundation of China(Nos.41772227,41872232);supported by the Inner Mongolia Mapping Programs(Nos.1212010811001,1212011120700,DD20160045,1212010510506)awarded to Zhiguang Zhou and administered by the Institute of Geological Survey,China University of Geosciences(Beijing).
The Meso-neoproterozoic Bayan Obo rift is located along the northern margin of the North China Craton,and was associated with the break-up of the Columbia supercontinent.During rift evolution,syn-sedimentary deformati...
关键词：North China Craton druse calcite crystals paleo-earthquake activity collapse breccia Bayan Obo rift PROTEROZOIC 
Flotation separation of scheelite from calcite using luteolin as a novel depressant被引量：2
《International Journal of Minerals,Metallurgy and Materials》2024年第3期462-472,共11页Xiaokang Li Ying Zhang Haiyang He Yu Wu Danyu Wu Zhenhao Guan 
supported by the National Natural Science Foundation of China (No.52164022).
This paper proposes luteolin(LUT)as a novel depressant for the flotation-based separation of scheelite and calcite in a sodium oleate(NaOL)system.The suitability of LUT as a calcite depressant is confirmed through mic...
关键词：SCHEELITE CALCITE LUTEOLIN FLOTATION depressant SEPARATION 
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