Flotation performance of a novel Gemini collector for kaolinite at low temperature

Article Engineering, Chemical

Froth flotation separation of lepidolite ore using a new Gemini surfactant as the flotation collector

Zhiqiang Huang et al.

Summary: This study synthesized a new Gemini surfactant HBDB and compared it with the conventional single molecule collector DA, finding that HBDB can separate lepidolite ore more efficiently.

SEPARATION AND PURIFICATION TECHNOLOGY (2022)

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Article Chemistry, Physical

Exploration of a novel depressant polyepoxysuccinic acid for the flotation separation of pentlandite from lizardite slimes

Cheng Liu et al.

Summary: In this study, a biodegradable polyepoxysuccinic acid (PESA) was introduced as a novel depressant to improve the separation efficiency of pentlandite from lizardite slimes in flotation. The addition of PESA altered the surface charge of lizardite from positive to negative, enabling better dispersion between pentlandite and lizardite particles and enhancing the adsorption of collector on pentlandite surface. XPS analysis demonstrated that PESA effectively interacted with Mg sites on lizardite surface, showing its potential as an effective depressant for removing lizardite slimes from pentlandite surface in flotation system.

APPLIED CLAY SCIENCE (2021)

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Article Engineering, Chemical

Mathematical model of liquid spontaneous imbibition into gas-saturated porous media with dynamic contact angle and gravity

Fuyong Wang et al.

Summary: Liquid imbibition with dynamic contact angle in porous media is a common phenomenon, and its analysis poses challenges. A mathematical model is developed to explore the impact of dynamic contact angle on imbibition velocity, showing a nonlinear correlation between imbibition velocity and imbibition time.

CHEMICAL ENGINEERING SCIENCE (2021)

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Article Engineering, Environmental

Advanced utilization of copper in waste printed circuit boards: Synthesis of nano-copper assisted by physical enrichment

Xiang-nan Zhu et al.

Summary: The copper in waste printed circuit boards is cleanly recycled using physical methods and presented as nano copper particles through hydrometallurgical processes. This environmentally friendly approach allows for the advanced utilization of metal copper.

JOURNAL OF HAZARDOUS MATERIALS (2021)

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Article Chemistry, Physical

Synergistic collection mechanism of D-phenylalanine and sodium oleate in flotation of diaspore from kaolinite

Huaxia Li et al.

Summary: D-phenylalanine was introduced to improve the collectability and selectivity of sodium oleate for diaspore in mineral flotation. Experimental results showed that D-phenylalanine exhibited superior synergism with sodium oleate, leading to an increased flotation recovery of diaspore.

APPLIED SURFACE SCIENCE (2021)

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Article Chemistry, Physical

Amide Gemini surfactants linked by rigid spacer group 1,4-dibromo-2-butene: Surface properties, aggregate and application properties

Weiguang Yang et al.

Summary: Novel amide Gemini surfactants with different hydrophobic chain lengths were synthesized and their surface properties were studied. The aggregation behavior in aqueous medium was analyzed using surface tension and negative staining TEM methods, showing good antistatic and antibacterial properties.

JOURNAL OF MOLECULAR LIQUIDS (2021)

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Article Engineering, Chemical

Adsorption configuration of dodecylamine at gas-liquid interface and its relationship with foam stability: MD simulation and ToF-SIMS investigation

Ximei Luo et al.

Summary: This study investigated the adsorption configuration of DDA at the gas-liquid interface and its relationship with foam stability under different conditions. It was found that DDA exhibited extremely high foam stability under strong acidic conditions, reaching its peak at the critical micelle concentration. The key factors affecting DDA foam stability at different pH levels were the interaction intensity between head groups of DDA and water molecules, while at different concentrations, factors included adsorption capacity, interaction intensity, and molecular configuration at the gas-liquid interface.

MINERALS ENGINEERING (2021)

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Article Mining & Mineral Processing

An in situ ATR-FTIR study of mixed collectors BHA/DDA adsorption in ilmenite-titanaugite flotation system

Liping Luo et al.

Summary: This study investigated the enhanced flotation separation performance of ilmenite and titanaugite using a mixed collector BHA/DDA, finding successful separation at a specific molar ratio. Experimental results indicated that in the mixed collector system, BHA adsorbed on mineral surfaces through chemical adsorption, while DDA adsorbed through electrostatic adsorption, forming a stable complex on the ilmenite surface but an unstable one on the titanaugite surface.

INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY (2021)

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Article Engineering, Environmental

Promoting vanadium redox flow battery performance by ultra-uniform ZrO2@C from metal-organic framework

Yingqiao Jiang et al.

Summary: This study demonstrates the successful use of metal-organic framework to prepare metal oxide and porous carbon nanocomposite for improving the performance of vanadium redox flow battery. The ZrO2@C/GF composite shows superior effects in promoting diffusion, charge transfer, and electron transport, leading to enhanced stability and electrolyte utilization in the battery.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Engineering, Chemical

Separation of wolframite ore by froth flotation using a novel crab structure sebacoyl hydroxamic acid collector without Pb(NO3)2 activation

Shiyong Zhang et al.

Summary: In this study, a new hydroxamic-acid molecule, sebacoyl hydroxamic acid (SHA), was synthesized and used as a collector for wolframite flotation. The results showed that SHA collector achieved higher wolframite recovery at a lower dosage compared to the traditional collector, and it also eliminated the need for lead ions during the flotation process.

POWDER TECHNOLOGY (2021)

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Review Chemistry, Applied

Recent advances and perspectives on vanadium- and manganese-based cathode materials for aqueous zinc ion batteries

Na Liu et al.

Summary: The growing demand for energy storage has prompted researchers to explore advanced batteries, with aqueous zinc ion batteries (ZIBs) emerging as a promising option. While rechargeable ZIBs offer high safety, low cost, environmental friendliness, and competitive performance, the development of suitable zinc ion intercalation-type cathode materials remains a challenge. Vanadium-based and manganese-based compounds are the most advanced and widely used rechargeable ZIBs electrodes.

JOURNAL OF ENERGY CHEMISTRY (2021)

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Article Engineering, Environmental

Use of Gemini surfactant as emulsion interface microreactor for the synthesis of nitrogen-doped hollow carbon spheres for high-performance supercapacitors

Weizheng Li et al.

CHEMICAL ENGINEERING JOURNAL (2020)

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Article Chemistry, Physical

Cationic gemini surfactants containing both amide and ester groups: Synthesis, surface properties and antibacterial activity

Junyan Wu et al.

JOURNAL OF MOLECULAR LIQUIDS (2020)

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Article Chemistry, Physical

Artificial light-harvesting supramolecular assemblies with different morphology formed by cucurbit[n]urils-based host-guest complexation

Zhe Lian et al.

JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY (2020)

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Article Engineering, Chemical

Understanding flotation mechanism of nonionic surfactants with different polarity on kaolinite as a gangue mineral: An experimental and simulation study

Bao Li et al.

MINERALS ENGINEERING (2020)

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Article Engineering, Chemical

Synthesis and Interfacial Properties of Novel Benzimidazolium Based Gemini Surfactants and Their Binding with Crocin

Farooq Ahmad Wani et al.

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH (2020)

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Article Green & Sustainable Science & Technology

Recycling metals from-0.5 mm waste printed circuit boards by flotation technology assisted by ionic renewable collector

Xiang-nan Zhu et al.

JOURNAL OF CLEANER PRODUCTION (2020)

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Article Green & Sustainable Science & Technology

Synthesis of an emerging morpholine-typed Gemini surfactant and its application in reverse flotation carnallite ore for production of potash fertilizer at low temperature

Chen Cheng et al.

JOURNAL OF CLEANER PRODUCTION (2020)

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Article Energy & Fuels

N-eicosane/expanded graphite as composite phase change materials for electro-driven thermal energy storage

Chuanchang Li et al.

JOURNAL OF ENERGY STORAGE (2020)

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Article Engineering, Environmental

Flotation dynamics of metal and non-metal components in waste printed circuit boards

Xiang-nan Zhu et al.

JOURNAL OF HAZARDOUS MATERIALS (2020)

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Article Mining & Mineral Processing

Mineralogical and petrographic analysis on the flake graphite ore from Saba Boru area in Ethiopia

Allah D. Jara et al.

INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY (2020)

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Article Mining & Mineral Processing

Prospects of utilization of waste dumped low-grade limestone for iron making: A case study

Shobhana Dey et al.

INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY (2020)

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Article Mining & Mineral Processing

Ultimately exposed roof area prediction of bauxite deposit goaf based on macro joint damage

Lichun Jiang et al.

INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY (2020)

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Article Engineering, Chemical

Synergistic enhancement of fine-kaolinite-particle hydrophobic agglomeration by combining dodecylamine with octanoic acid

Peng Yang et al.

MINERALS ENGINEERING (2020)

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Article Agriculture, Multidisciplinary

Umbrella Structure Trisiloxane Surfactant: Synthesis and Application for Reverse Flotation of Phosphorite Ore in Phosphate Fertilizer Production

Zhiqiang Huang et al.

JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY (2020)

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Article Chemistry, Physical

Evaluation of a novel morpholine-typed Gemini surfactant as the collector for the reverse flotation separation of halite from carnallite ore

Zhiqiang Huang et al.

JOURNAL OF MOLECULAR LIQUIDS (2020)

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Article Chemistry, Physical

Studying surface and thermodynamic behavior of a new multi-hydroxyl Gemini cationic surfactant and investigating their performance as corrosion inhibitor and biocide

Samy M. Shaban et al.

JOURNAL OF MOLECULAR LIQUIDS (2020)

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Review Chemistry, Multidisciplinary

Anode Materials for Aqueous Zinc Ion Batteries: Mechanisms, Properties, and Perspectives

Tingting Wang et al.

ACS NANO (2020)

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Article Chemistry, Multidisciplinary

Recycling Lepidolite from Tantalum-Niobium Mine Tailings by a Combined Magnetic-Flotation Process Using a Novel Gemini Surfactant: From Tailings Dams to the Bling Raw Material of Lithium

Zhiqiang Huang et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

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Article Energy & Fuels

The catalytic activity of Co/kaolinite catalyst for dimethyl ether synthesis via methanol dehydration

Imran Rosadi et al.

ENERGY REPORTS (2020)

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Article Energy & Fuels

Sandstone acidizing using a new retarded acid system based on gemini surfactants

Mohamed Mahmoud et al.

JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING (2020)

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Article Mining & Mineral Processing

Assessment of pH-responsive nanoparticles performance on laboratory column flotation cell applying a real ore feed

Samiramis Nasirimoghaddam et al.

INTERNATIONAL JOURNAL OF MINING SCIENCE AND TECHNOLOGY (2020)

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Article Chemistry, Physical

The adsorption of dodecylamine and oleic acid on kaolinite surfaces: Insights from DFT calculation and experimental investigation

Lingyun Liu et al.

APPLIED SURFACE SCIENCE (2019)

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Article Engineering, Chemical

Synthesis and utilization of a gemini surfactant as a collector for the flotation of hemimorphite from quartz

Wengang Liu et al.

MINERALS ENGINEERING (2019)

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Article Engineering, Chemical

XPS analysis of the surface chemistry of sulfuric acid-treated kaolinite and diaspore minerals with flotation reagents

Ningning Zhang et al.

MINERALS ENGINEERING (2019)

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Article Engineering, Chemical

Intensification of interfacial adsorption of dodecylamine onto quartz by ultrasonic method

Lu Yang et al.

SEPARATION AND PURIFICATION TECHNOLOGY (2019)

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Review Chemistry, Physical

A review of the surface features and properties, surfactant adsorption and floatability of four key minerals of diasporic bauxite resources

Ningning Zhang et al.

ADVANCES IN COLLOID AND INTERFACE SCIENCE (2018)

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Article Engineering, Chemical

Predicting bubble coarsening in flotation froth: Effect of contact angle and particle size

Seungwoo Park et al.

MINERALS ENGINEERING (2018)

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Article Chemistry, Physical

Density, dynamic viscosity, and kinematic viscosity studies of aqueous solution of a cationic gemini surfactant, hexanediyl-1,6-bis (dimethylcetylammonium bromide (16-6-16) : Influence of electrolytes and temperature

Md. Sayem Alam et al.

JOURNAL OF MOLECULAR LIQUIDS (2017)

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Article Engineering, Chemical

Low-temperature performance of cationic collector undecyl propyl ether amine for ilmenite flotation

Xing Liu et al.

MINERALS ENGINEERING (2017)

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Article Engineering, Chemical

Reverse froth flotation of magnesite ore by using (12-4-12) cationic gemini surfactant

Ivan Brezani et al.

MINERALS ENGINEERING (2017)

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Article Engineering, Chemical

Flotation of fine kaolinite using dodecylamine chloride/fatty acids mixture as collector

Liang Shen et al.

POWDER TECHNOLOGY (2017)

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Article Engineering, Chemical

Significance of particle aggregation in the reverse flotation of kaolinite from bauxite ore

Jing Liu et al.

MINERALS ENGINEERING (2015)

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Article Chemistry, Physical

A family of alkyl sulfate gemini surfactants. 1. Characterization of surface properties

Bo Gao et al.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2013)

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Article Engineering, Chemical

The behavior of N,N-dipropyl dodecyl amine as a collector in the flotation of kaolinite and diaspore

Changmiao Liu et al.

MINERALS ENGINEERING (2011)

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Article Engineering, Chemical

Effect of collector, pH and ionic strength on the cationic flotation of kaolinite

X. Ma et al.

INTERNATIONAL JOURNAL OF MINERAL PROCESSING (2009)

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Article Engineering, Chemical

Removal of aluminosilicates from diasporic-bauxite by selective flocculation using sodium polyacrylate

Huang Chuanbing et al.

SEPARATION AND PURIFICATION TECHNOLOGY (2008)

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Article Engineering, Chemical

The role of cationic polyacrylamide in the reverse flotation of diasporic bauxite

Guangyi Liu et al.

MINERALS ENGINEERING (2007)

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Flotation performance of a novel Gemini collector for kaolinite at low temperature

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