Effects of grinding montmorillonite and illite on their …

1. Introduction. Perchlorate (ClO 4 −), as an emerging pollutant, has been detected in drinking water and various edibles (Dyke et al., 2007, Shi et al., 2007, Srinivasan and Sorial, 2009, Yang and Her, 2011).Its detrimental effect as an inhibitor of iodide uptake by the thyroid is well-known. As a result, the secretion of thyroid hormones …

Preparation of copper ferrite by sol–gel method and the …

The catalytic effects of nano-Cu-Fe composite metal oxides on the thermal decomposition of ammonium perchlorate (AP) were investigated by thermogravimetric (TG) analysis and differential scanning ...

Effect of Ammonium Perchlorate Particle Size on Flow, …

Composite propellant based on hydroxyl-terminated polybutadiene and ammonium perchlorate (AP) has become the workhorse propellant for modern-day missiles and space vehicles. AP is the main ingredient and is used as an oxidizer in composite propellant and accounts for approximately 70%–80% of the composition. AP …

Bioinspired Fabrication of an Insensitive Ammonium Perchlorate …

Feature papers represent the most advanced research with significant potential for high impact in the field. A Feature Paper should be a substantial original Article that involves several techniques or approaches, provides an outlook for future research directions and describes possible research applications.

Preparation and characterization of copper-based nanoparticles …

At the same time, the catalytic performances of the as-obtained Cu-based nanoparticles on the thermal decomposition of ammonium perchlorate (AP) were studied through thermogravimetric analysis ...

Effect of Ammonium Perchlorate Particle Size on Flow, …

Ammonium perchlorate (AP) as oxidizer, aluminum (Al) as metal additive, and HTPB as binder-cum-fuel are the major ingredients of CP. Oxidizer and metal …

Significantly Enhanced Thermal Decomposition of …

Catalytic activities of the porous CuCo2O4 towards the thermal decompn. of ammonium perchlorate (AP) were investigated with differential scanning calorimetry (DSC) and thermogravimetry (TG) techniques.

Preparation of superfine ammonium perchlorate particles …

The sphericity and size of ammonium perchlorate (AP) particles are the most significant properties in composite propellants. In this study, using the Taguchi method, the effects of surfactant type ...

Significantly Enhanced Thermal Decomposition of …

1. Introduction. Ammonium perchlorate (AP) is the most widely used oxidant in the propellant applications, and its content in propellant accounts for a large proportion, usually exceeding 60%. 1,2 As a strong oxidant, the thermal decomposition of AP provides the oxygen needed for the combustion of the propellant and releases a large amount of …

Size and Shape of Ammonium Perchlorate and their Influence …

Ammonium perchlorate has been pulverised by an impact mill (air classifier mill) to study the influence of different operating parameters, viz., effect of mill speed, classifier speed, feed rate ...

Dispersion of nanocatalytic materials: a new strategy to …

Subsequently, we prepared CuCr 2 O 4 (CCO)/raw ammonium perchlorate (AP) and CCO/fine AP composite with different dispersity using mechanical mixing and …

CuO/PbO Nanocomposite: Preparation and Catalysis for Ammonium …

In this present article, we reported a facile and efficient milling method to prepare a series of CuO/PbO nanocomposite metal oxides (CuO/PbO NMOs), with CuO/PbO molar ratios of 1:2, 1:1, 1:0.5, and 1:0.25 as a potential catalyst to catalyze the thermal decomposition of ammonium perchlorate (AP). The obtained CuO/PbO NMOs …

Nanometer Ammonium Perchlorate and Ammonium …

Nanometer (nano) ammonium perchlorate (AP) and ammonium nitrate (AN) were prepared with 2D network structures by the ultra-low temperature spray method. Scanning electron microscopy (SEM), X-ray diffractometry (XRD), differential scanning calorimetry (DSC) and thermogravimetric analysis/infrared spectrometry (TG …

Correlation of Efficient Dispersion and Catalytic Performance …

Obviously, the dispersion of nanocatalytic materials has significant influence on their catalytic performance. In this study, an evaluation method for the dispersion of nanomaterials was established according to the different solid UV absorptions of different substances by taking the dispersion of nanocopper oxide (nano-CuO) in superfine …

Preparation of copper ferrite by sol–gel method and the

In the present work, copper ferrite was prepared by a simple and mild sol–gel method followed by low-temperature calcination, and characterized by various analytical techniques. The X-ray diffraction (XRD) analysis suggests that the copper ferrite with the spinel-type ferrite crystal forms have been successfully prepared. More crystal defects …

Facile Grinding Method for Preparing Nano-Cu-Cr-Fe …

In this study, Cu-Cr-Fe ternary metal oxides with different molar ratios (5:2:8, 5:4:6, 5:6:4, 5:8:2) were prepared by a facile mechanical grinding method to investigate …

Preparation of Nano-Cu-Fe Composite Metal Oxides via a …

ABSTRACT In this article, a series of nano-Cu-Fe composite metal oxides (nano CuO/Fe2O3), with different molar ratios of CuO/Fe2O3 (1:2, 1:1, 1:0.5, 1:0.25), were prepared in large-scale by mechanical grinding. The microstructures, surface elements and morphologies of samples are analyzed by X-ray diffraction (XRD), X-ray energy …

Significantly Enhanced Thermal Decomposition of …

In this article, nano-CuCr 2 O 4 (copper chromite)/ultrafine ammonium perchlorate (AP) composites were prepared by a ultrasonic dispersion method and a mechanical grinding method. A series of nano-CuCr 2 O 4 /ultrafine AP composites with different dispersions were prepared by controlling the compounding time to study the …

Facile Grinding Method for Preparing Nano-Cu-Cr-Fe …

Dense, Three-Dimensional, Highly Absorbent, Graphene Oxide Aerogel Coating on ZnCo2O4/ZnO Particles Exerts a Synergistic Catalytic Effect for Ammonium …

Chlorate‐based homemade explosives: A review

A wide array of analytical techniques is available for detecting and quantifying these substances, offering forensic investigators an extensive toolkit to effectively analyze and identify chlorates and perchlorates in various samples. ... Examples of perchlorates that can be used include potassium perchlorate, sodium perchlorate, …

(PDF) Solvent-Solvent Cooling Crystallization: An Effective Method …

Controlling ammonium perchlorate crystals with desired properties is still a challenge in industrial crystallization. In this work, two different cooling crystallization methods, namely solvent ...

Loop Mill Case Studies

Our Micro-Jet is typically used to grind oxidizers, such as Ammonium Perchlorate. Mineral and Pigment Grinding ... Sanitary Drug Grinding System A sanitary Model 0101 Tabletop Jet-O-Mizer System was designed for the continuous production of a topical anesthetic. The Model 0101 produces 5 lbs/hr of product at a less than 5 m average …

Ammonium perchlorate, Reagent Grade, Thermo Scientific …

Ammonium perchlorate is used to make rocket propellants, explosives, pyrotechnics, as an etching and engraving agent, and in analytical chemistry. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand.

CuO/PbO Nanocomposite: Preparation and Catalysis for …

Abstract. In this present article, we reported a facile and efficient milling method to prepare a series of CuO/PbO nanocomposite metal oxides (CuO/PbO …

Preparation of Nano-Cu-Fe Composite Metal Oxides via a …

The catalytic effects of nano-Cu-Fe composite metal oxides on the thermal decomposition of ammonium perchlorate (AP) were investigated by thermogravimetric (TG) analysis and differential scanning ...

Preparation of Nano-Cu-Fe Composite Metal Oxides via a …

The catalytic effects of nano-Cu-Fe composite metal oxides on the thermal decomposition of ammonium perchlorate (AP) were investigated by thermogravimetric …

Preparation and characterization of ultra-fine ammonium perchlorate

The common methods used for the preparation of ultrafine ammonium perchlorate (AP) crystals are physical and recrystallization methods. These methods are associated with several limitations, including strong vibrations or friction during the preparation process that can be hazardous, as well as high energy consumption, high …

CuO/PbO Nanocomposite: Preparation and Catalysis for Ammonium …

In this present article, we reported a facile and efficient milling method to prepare a series of CuO/PbO nanocomposite metal oxides (CuO/PbO NMOs), with CuO/PbO molar ratios of 1:2, 1:1, 1:0.5, and 1:0.25 as a potential catalyst to catalyze the thermal decomposition of ammonium perchlorate (AP). Th …

(PDF) Significantly Enhanced Thermal Decomposition of …

In this article, nano-CuCr2O4 (copper chromite)/ultrafine ammonium perchlorate (AP) composites were prepared by a ultrasonic dispersion method and a mechanical grinding method.

Dispersion of nanocatalytic materials: a new strategy to …

Subsequently, we prepared CuCr2O4 (CCO)/raw ammonium perchlorate (AP) and CCO/fine AP composite with different dispersity using mechanical mixing and ultrasonic mixing techniques. Their formation was confirmed through X-ray diffraction (XRD), scanning electron microscopy (SEM) and particle size analysis.