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25 Results Found

  • Article
  • Open Access
6 Citations
2,226 Views
14 Pages

Investigation on the Mechanism of PAL (100) Surface Modified by APTES

  • Weimin Jia,
  • Bomiao Qi,
  • Yanbin Wang,
  • Zhibin Lu,
  • Jiqian Wang,
  • Qiong Su,
  • Jingyan Nian and
  • Junxi Liang

14 July 2023

The interfacial mechanism has always been a concern for 3-aminopropyltriethoxysilane (APTES)-grafted palygorskite (PAL). In this research, the mechanism of graft modification for grafting of APTES to the surface of PAL (100) was studied using density...

  • Article
  • Open Access
563 Views
20 Pages

27 September 2025

This study aimed to investigate the antioxidant properties of natural palygorskite (N-pal), bundle-dissociated palygorskite (D-pal), and zinc-bearing palygorskite (Zn-pal), as well as their effects on the antioxidant capacity of broilers. Palygorskit...

  • Article
  • Open Access
36 Citations
5,000 Views
22 Pages

Adsorption Behavior of Crystal Violet and Congo Red Dyes on Heat-Treated Brazilian Palygorskite: Kinetic, Isothermal and Thermodynamic Studies

  • Vanderlane Cavalcanti Silva,
  • Maria Eduarda Barbosa Araújo,
  • Alisson Mendes Rodrigues,
  • Maria do Bom Conselho Vitorino,
  • Juliana Melo Cartaxo,
  • Romualdo Rodrigues Menezes and
  • Gelmires Araújo Neves

30 September 2021

The effect of heat treatment on the adsorptive capacity of a Brazilian palygorskite to remove the dyes crystal violet (CV) and congo red (CR) was investigated. The natural palygorskite was calcined at different temperatures (300, 500 and 700 °C) for...

  • Article
  • Open Access
1 Citations
792 Views
18 Pages

15 August 2025

This study investigated the effectiveness of palygorskite (Pal) as an adsorbent for removing total phenolic content (TPC), dissolved chemical oxygen demand (d-COD), and color from treated olive wastewater (TOW). Experiments were conducted to evaluate...

  • Article
  • Open Access
21 Citations
4,458 Views
13 Pages

13 October 2019

In order to improve the antibacterial performance of natural palygorskite, spindle-like ZnO/palygorskite (ZnO/PAL) nanocomposites with controllable growth of ZnO on the surface of PAL were prepared in the presence of non-ionic surfactants using an ea...

  • Article
  • Open Access
10 Citations
3,492 Views
14 Pages

3 December 2018

In this work, AuPd alloy palygorskite based Pal-NH2@AuPd nano-catalysts were prepared and used as catalysts for the reduction of nitroarenes and dyes at room temperature. The surface of palygorskite (Pal) was first modified with 3-aminpropyltriethoxy...

  • Article
  • Open Access
14 Citations
2,995 Views
12 Pages

28 November 2021

A synergistic antibacterial strategy is effective in enhancing the antibacterial efficacy of a single antibacterial material. Plant essential oils (PEOs) are safe antibacterial agents. However, some of their characteristics such as intense aroma, vol...

  • Article
  • Open Access
15 Citations
3,851 Views
15 Pages

Oxide-Clay Mineral as Photoactive Material for Dye Discoloration

  • Maicon O. Miranda,
  • Bartolomeu Cruz Viana,
  • Luzia Maria Honório,
  • Pollyana Trigueiro,
  • Maria Gardênnia Fonseca,
  • Francisco Franco,
  • Josy A. Osajima and
  • Edson C. Silva-Filho

1 February 2020

Titanium and zirconium oxides (TiO2 and ZrO2, respectively) were obtained from alkoxides hydrolyses, and then deposited into palygorskite clay mineral (Pal) to obtain new materials for photocatalytic applications. The obtained materials were characte...

  • Article
  • Open Access
10 Citations
2,988 Views
14 Pages

Catalytic Oxidation of Toluene over Fe-Rich Palygorskite Supported Manganese Oxide: Characterization and Performance

  • Shiwei Dong,
  • Tianhu Chen,
  • Fan Xu,
  • Haibo Liu,
  • Can Wang,
  • Yinsheng Zhang,
  • Minghao Ji,
  • Chengrui Xu,
  • Chengzhu Zhu and
  • Zhiguo Li
  • + 1 author

9 July 2022

A series of Fe–rich palygorskite supported manganese oxide (X%Mn–Pal) catalysts were prepared by co-precipitation method and used as catalysts for toluene oxidation. The components and structure of the as-prepared catalysts were character...

  • Article
  • Open Access
24 Citations
5,116 Views
17 Pages

Preparation of PVDF/Hyperbranched-Nano-Palygorskite Composite Membrane for Efficient Removal of Heavy Metal Ions

  • Xiaoye Zhang,
  • Yingxi Qin,
  • Guifang Zhang,
  • Yiping Zhao,
  • Chao Lv,
  • Xingtian Liu and
  • Li Chen

17 January 2019

In this work, three kinds of hyperbranched polyamidoamine-palygorskite (PAMAM-Pal) were designed and synthesized by grafting the first generation polyamidoamine (G1.0 PAMAM), G2.0 PAMAM and G3.0 PAMAM onto Pal surfaces, respectively. Then, these PAMA...

  • Feature Paper
  • Article
  • Open Access
4 Citations
2,755 Views
16 Pages

2 November 2021

Nutrient pollution of surface water, such as excess phosphate loading on lake surface water, is a significant issue that causes ecological and financial damage. Despite many technologies that can remove available phosphate, such as material-based ads...

  • Article
  • Open Access
6 Citations
2,594 Views
17 Pages

19 November 2021

Recently, palygorskite (Pal) has become a promising new membrane additive in flux enhancement and fouling reduction, which is an environmentally friendly nanoclay material under the 2:1 layer composition with 1D tubular structure. However, the aggreg...

  • Article
  • Open Access
14 Citations
3,196 Views
15 Pages

10 November 2021

The synergistic effect of chitosan (CS), glycyrrhizic acid (GA) and ZnO/palygorskite (ZnO/PAL) as potential wound dressing was evaluated in the form of films by the solution casting method. The nanocomposite films were well-characterized with ATR-FTI...

  • Article
  • Open Access
17 Citations
2,461 Views
13 Pages

Synergy Effect of Nano-Organic Palygorskite on the Properties of Star-Shaped SBS-Modified Asphalt

  • Shuai Liu,
  • Yuchao Gao,
  • Jiao Jin,
  • Huiwen Chen,
  • Xinyu Liu,
  • Ruohua Liu,
  • Qingjun Guan,
  • Yinrui Wu,
  • Huaqiang Long and
  • Guoping Qian

11 March 2021

With the rapid development of economic construction, styrene-butadiene-styrene (SBS)-modified asphalt is being more and more widely used in highway engineering, but there are still many deficiencies in the process of its use. In order to further impr...

  • Feature Paper
  • Article
  • Open Access
8 Citations
2,391 Views
12 Pages

11 February 2022

Integration of nanoclay minerals into rigid polyurethane foams (RPUFs) is a cost-effective solution to enhance foam’s performance via environmental protection technology. In this work, palygorskite/RPUFs nanocomposites (Pal/RPUFNs) with excelle...

  • Article
  • Open Access
9 Citations
4,696 Views
12 Pages

Preparation of 1D Hierarchical Material Mesosilica/Pal Composite and Its Performance in the Adsorption of Methyl Orange

  • Mei Wu,
  • Haifeng Han,
  • Lingli Ni,
  • Daiyun Song,
  • Shuang Li,
  • Tao Hu,
  • Jinlong Jiang and
  • Jing Chen

20 January 2018

This paper highlights the synthesis of a one-dimensional (1D) hierarchical material mesosilica/palygorskite (Pal) composite and evaluates its adsorption performance for anionic dye methyl orange (MO) in comparison with Pal and Mobile crystalline mate...

  • Article
  • Open Access
4 Citations
2,090 Views
14 Pages

Thermally Modified Palygorskite Usage as Adsorbent in Fixed-Bed Reactor for High Concentration NH4+-N Removal and Further Application as N—Fertilizer in Hydroponic Cultivation

  • Christina Vasiliki Lazaratou,
  • Stylianos Dimitrios Panagopoulos,
  • Dimitrios V. Vayenas,
  • Dionisios Panagiotaras and
  • Dimitrios Papoulis

21 September 2022

Palygorskite sample (Pal) underwent thermal treatment at 400 °C (T-Pal) to be used as adsorbent for the removal of 200 mg NH4+-N/L from artificial solution. After thermal treatment, the sample was characterized via X-ray diffraction (XRD) and sca...

  • Article
  • Open Access
821 Views
15 Pages

Comparative Analysis of Microalgae’s Physiological Responses to Fibrous and Layered Clay Minerals

  • Zhongquan Jiang,
  • Tianyi Wei,
  • Sijia Wu,
  • Zhongyang Wang,
  • Zhonghua Zhao,
  • Lu Zhang,
  • Ying Ge and
  • Zhen Li

3 June 2025

Microalgae interact with mineral particles in an aqueous environment, yet how clay minerals affect physiological processes in algal cells remains unexplored. In this study, we compared the effects of palygorskite (Pal) and montmorillonite (Mt), which...

  • Article
  • Open Access
11 Citations
2,815 Views
11 Pages

Adsorption of Methyl Orange on a Novel Palygorskite/UiO-66 Nanocomposite

  • Ioanna A. Vasiliadou,
  • Thaleia Ioannidou,
  • Maria Anagnostopoulou,
  • Antonios Polyzotou,
  • Dimitrios Papoulis and
  • Konstantinos C. Christoforidis

25 July 2022

Herein, a novel composite material containing UiO-66 and palygorskite (Pal) clay mineral was prepared using a facile one-pot synthesis process. The material was studied using a variety of techniques and applied as did not affect the structure of the...

  • Article
  • Open Access
1 Citations
1,455 Views
15 Pages

Comparative Study of Colloidal and Rheological Behaviors of Mixed Palygorskite–Montmorillonite Clays in Freshwater and Seawater

  • Jiajun Zhang,
  • Guanzheng Zhuang,
  • Jinrong Chen,
  • Wenxiao Fan,
  • Jixing Fan,
  • Zhuhua Kuang and
  • Dong Liu

28 February 2025

This study systematically investigates the colloidal stability, rheological properties, and filtration behavior of palygorskite–montmorillonite mixed clays in both freshwater and seawater systems. By varying the mass content and dispersion medi...

  • Article
  • Open Access
4 Citations
2,755 Views
12 Pages

Interactions between Active Ingredient Ranitidine and Clay Mineral Excipients in Pharmaceutical Formulations

  • Lijuan Wang,
  • Xisen Wang,
  • Libing Liao,
  • Qingfeng Wu,
  • Hui Yin and
  • Zhaohui Li

6 December 2020

Excipients play an important role in pharmaceutical formulations. Many clay minerals, because of their large specific surface area and inert behaviour in reactions with active ingredients, are commonly used as excipients. In this study, the uptake of...

  • Article
  • Open Access
18 Citations
2,717 Views
13 Pages

UiO-66/Palygorskite/TiO2 Ternary Composites as Adsorbents and Photocatalysts for Methyl Orange Removal

  • Thaleia Ioannidou,
  • Maria Anagnostopoulou,
  • Dimitrios Papoulis,
  • Konstantinos C. Christoforidis and
  • Ioanna A. Vasiliadou

17 August 2022

Metal–organic frameworks are recognized as a new generation of emerging porous materials in a variety of applications including adsorption and photocatalysis. The present study presents the development of ternary composite materials made throug...

  • Article
  • Open Access
12 Citations
4,571 Views
13 Pages

Understanding Urea Encapsulation in Different Clay Minerals as a Possible System for Ruminant Nutrition

  • Fabrícia C. Silva,
  • Luciano C. B. Lima,
  • Cesar Viseras,
  • Josy A. Osajima,
  • Jarbas M. da Silva Júnior,
  • Ronaldo L. Oliveira,
  • Leilson R. Bezerra and
  • Edson C. Silva-Filho

29 September 2019

Considering the challenges of urea administration due to the high ureolytic activity of the rumen and the importance of its use, as well as taking into account the relevance of sustainably exploiting the technological potential of biodiversity, this...

  • Review
  • Open Access
8 Citations
2,336 Views
16 Pages

Application of Nanofibrous Clay Minerals in Water-Based Drilling Fluids: Principles, Methods, and Challenges

  • Guanzheng Zhuang,
  • Jiajun Zhang,
  • Jinrong Chen,
  • Qian Liu,
  • Wenxiao Fan and
  • Qiang Li

21 August 2024

Nanofibrous clay minerals, specifically palygorskite (Pal) and sepiolite (Sep), have been becoming a new generation of rheological additives for drilling fluid systems due to their unique nanostructure, high performance, environmentally benign nature...

  • Article
  • Open Access
6 Citations
2,454 Views
12 Pages

Photothermal Catalytic Reduction of CO2 by Cobalt Silicate Heterojunction Constructed from Clay Minerals

  • Shan Qin,
  • Chengrong Ge,
  • Xiangming Kong,
  • Meng Fu,
  • Ziheng Zhuang and
  • Xiazhang Li

24 December 2022

The coupled utilization of solar and thermal energy is considered an efficient way to improve the efficiency of CO2 reduction. Herein, palygorskite (Pal) clay is as a silicon source, while Co2+ is introduced to prepare two-dimensional Co2SiO4 nanoshe...