Adsorption capacity of nitrate from artificial fertilizers and soil on pyrophyllite

Hasanbegović, E.; Huremović, Jasna; Žero, Sabina

doi:10.1007/s13762-021-03135-2

Cited by 4 publications

(5 citation statements)

References 34 publications

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“…The uses of pyrophyllite in industry include its application as a refractory material in the refractory industry and as a raw material in the ceramic, fiberglass, and cosmetic industries [51,52]. Moreover, pyrophyllite is used as filler in the paper, plastic, paint, and pharmaceutical industries [53]; as a soil conditioner in fertilizer applications; and as a dusting agent in the rubber and asphalt industries [54,55]. Figure 1 shows pyrophyllite consumption in different industries in the US [51].…”

Section: Pyrophyllite's Industrial Applicationsmentioning

confidence: 99%

“…Further, pyrophyllite can be easily blown through a nozzle and quickly sticks to the leaves and stems of plants. When passing through the blower of a machine, an electrostatic charge is picked up, which attracts pyrophyllite to the undersides of the leaves and exposed upper plant surfaces [9,24,54,[79][80][81]. The most important industrial specifications for pyrophyllite to be used in insecticides are shown in Table 5.…”

Section: Insecticide Industrymentioning

confidence: 99%

“…It is known that clay minerals can increase the ability of the soil to retain nutrients. The unique properties of pyrophyllite, such as its adsorption, ion exchange, and talc-like structure, have led to pyrophyllite's use in agriculture as a soil conditioner [54]. Pyrophyllite is used as a fertilizer carrier in agriculture, where it improves the ability of the soil to hold nutrients and reduces leaching.…”

Section: As a Soil Conditionermentioning

confidence: 99%

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Pyrophyllite: An Economic Mineral for Different Industrial Applications

Ali

Ahmed

et al. 2021

Applied Sciences

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Pyrophyllite (Al2Si4O10(OH)2) is a phyllosilicate often associated with quartz, mica, kaolinite, epidote, and rutile minerals. In its pure state, pyrophyllite exhibits unique properties such as low thermal and electrical conductivity, high refractive behavior, low expansion coefficient, chemical inertness, and high resistance to corrosion by molten metals and gases. These properties make it desirable in different industries such as refractory; ceramic, fiberglass, and cosmetic industries; as filler in the paper, plastic, paint, and pesticide industries; as soil conditioner in the fertilizer industry; and as a dusting agent in the rubber and roofing industries. Pyrophyllite can also serve as an economical alternative in many industrial applications to different minerals as kaolinite, talc, and feldspar. To increase its market value, pyrophyllite must have high alumina (Al2O3) content, remain free of any impurities, and possess as much whiteness as possible. This paper presented a review of pyrophyllite’s industrial applications, its important exploitable properties, and the specifications required for its use in industry. It also presents the most effective and economical techniques for enriching low-grade pyrophyllite ores to make them suitable for various industrial applications.

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Section: Pyrophyllite's Industrial Applicationsmentioning

confidence: 99%

Section: Insecticide Industrymentioning

confidence: 99%

Section: As a Soil Conditionermentioning

confidence: 99%

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Pyrophyllite: An Economic Mineral for Different Industrial Applications

Ali

Ahmed

et al. 2021

Applied Sciences

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“…(Ali et al ,2021;Anon, 2014;Erdemoǧlu et al, 2004;Kogel et al, 2006;McGonigle and Ciullo,1996) Insecticide • The low purity is used as a filler and as a carrier material in insecticide. (Ali et al, 2021;Belzunces et al, 2017;Hasanbegović et al,…”

Section: Plasticmentioning

confidence: 99%

“…• The low purity is used as a soil conditioner and as a fertilizer carrier. (Adamović et al, 2020;Ali et al, 2021;Hasanbegović et al, 2021)…”

Section: Fertilizermentioning

confidence: 99%

Chemical and Mineralogical Characterization of Saudi-Pyrophyllite ore and its Potential Applications

Ali

2021

AGJSR

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Purpose: Due to the importance of pyrophyllite as an economical alternative to several minerals such as kaolin, talc, and feldspar in different industrial applications, there is an intention in Saudi Arabia to exploit pyrophyllite in the industry. Since there were no sufficient studies conducted to characterize pyrophyllite in Saudi Arabia, this paper aims to study the chemical and mineralogical characterization of Saudi pyrophyllite ore grades and propose its potential applications besides proposing beneficiation strategies for the low-grade one. Method: In this study, two different grades pyrophyllite ore samples, from a pyrophyllite deposit in western Saudi Arabia, were characterized for their potential applications. Microscopic studies, X-ray fluorescence (XRF), scanning electron microscope coupled with energy dispersive X-ray (SEM-EDX), X-ray diffraction (XRD) were used for chemical and mineralogical characterization of the studied samples. Results: Microscope and XRD results have shown that the ore samples (labeled grade A and grade B) consist mainly of pyrophyllite associated with quartz and feldspar in addition to minor amounts of muscovite, chlorite, and siderite as impurity minerals. Moreover, the results indicated that the impurities are oxide and sulfide minerals (i.e., pyrite, hematite). According to XRF analysis results, grade A contains high alumina (27.03% Al2O3) and low iron (0.4% Fe2O3) whereas; grade B contains a high iron content (2.06% Fe2O3) and lower alumina (24.05 % Al2O2). It is predicted that the grade A with high alumina content can be used directly in fillers, refractories, fiberglass, whiteware ceramics, white cement, porcelain, and cosmetic applications. As for grade B, high iron content limits its industrial applications. Therefore, it needs to be treated to remove ferrous impurities before supply to pyrophyllite market. Conclusion: Based on analytical results, grade A with high alumina content can be used directly in fillers, refractories, fiberglass, whiteware ceramics, white cement, porcelain, and cosmetic applications. Furthermore, grade B needs to upgrade due to high iron content before being used in the industry.

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