Research on the Jet Milling Process of Oxidizer for Solid …
[7] Jain Sunil et al 2009 Size and Shape of Ammonium Perchlorate and their Influence on Properties of Composite Propellant Defence Science Journal 59 205-214 Google Scholar [8] Lee Hong Woon, Song Sinae and Kim Hee Taik 2019 Improvement of pulverization efficiency for micro-sized particles grinding by uncooled high-temperature air jet mill ...
Perchlorate: Health Effects and Technologies for Its Removal …
Thyroid glandular T4 content was significantly decreased in 21-day bobwhite quail embryos from eggs with a concentration of ≥ 0.5 μg/g ammonium perchlorate and in hatchlings from eggs with ≥ 50 mg/L ammonium perchlorate . However, egg concentrations of up to 300 μg/g did not result in hypothyroidism in embryos or hatchlings.
Thermal decomposition of ammonium perchlorate …
Ammonium perchlorate () is the most common oxidizer in use for solid rocket propulsion systems. However its initial thermal decomposition is an endothermic process that requires 102.5 J·g⁻¹.
Graphene oxide/cellulose/Co composite carbon aerogel as …
Ammonium perchlorate (AP), as an oxidant and a main component in solid propulsion, has been of wide concern by researchers in recent years. However, problems, such as higher high-temperature decomposition peaks and nonconcentration of exothermic heat release, hinder its application. The addition of combustion catalysts can resolve these …
Preparation of surface modified ammonium perchlorate with …
Surface modified ammonium perchlorate (AP) with green nano iron oxide (AP-nFe 2 O 3) and green iron oxide nitrocellulose nanocomposite (AP-nFe2O3-NC) were prepared …
Preparation and properties of ultra-fine ammonium perchlorate composite
Ammonium perchlorate (AP)‐based composite propellant is the most widely used solid propellant. ... Wu et al. used an air jet pulverization method to fabricate superfine AP particles with very ...
Ammonium Perchlorate: Safety and Handling Guidelines
Ammonium perchlorate (AP) is a colorless or white inorganic compound with the formula NH4ClO4, known for being a powerful oxidizer. It is a white crystalline substance that is stable in its pure form at ordinary temperatures but decomposes at 150°C or above. When mixed with finely divided organic materials, AP becomes explosive and exhibits ...
Nano-Ammonium Perchlorate: Preparation, Characterization, and
Ammonium perchlorate (AP) is still one of the most important oxidizers used. Improving propellant output becomes an interesting source for many researchers.
Research on the Jet Milling Process of Oxidizer for Solid …
In order to study the influence law of the oxidizer used for the jet milling, the jet milling process test system is constructed.
Prediction of Particle Size of Ammonium Perchlorate during
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 …
Ammonium Perchlorate Jet Mill China Manufacturers …
China Ammonium Perchlorate Jet Mill with High-Quality, Leading Ammonium Perchlorate Jet Mill Manufacturers & Suppliers, find Ammonium Perchlorate Jet Mill Factory Exporter. ... such as air pulverization, air grading, mechanical pulverization, dust removal and purification, and pneumatic conveying. The institute has successively undertaken 26 ...
Preparation of Fine Ammonium Perchlorate by Employing …
Nanometer (nano) ammonium perchlorate (AP) and ammonium nitrate (AN) were prepared with 2D network structures by the ultra-low temperature spray method.
Thermal decomposition of ammonium perchlorate
It was assumed that the phase transition of the first kind at 240 °C is preceded by the transition of the second kind, which is the reason of deviation from the normal behaviour observed in ammonium perchlorate under thermal decomposition [5].It turned out later than the phase transition at 240 °C itself depends on the ability of perchlorate ion, hanging before the …
Prediction of Particle Size of Ammonium Perchlorate
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
Perchlorates
Ammonium perchlorate (AP) is an oxidizer that is primarily used as a key component in solid rocket propellant. It is used in the aerospace, national defense and commercial sectors. American Pacific's production of aerospace-grade AP in the 1950's in Nevada, U.S., utilizing a proprietary process of electrolytic oxidation, crystallization ...
Bioinspired Fabrication of an Insensitive …
Ammonium perchlorate (AP) has been widely used as a solid propellant due to the advantage of its high energy content [].It is well known that a high burning rate of AP based solid propellants is desirable to improve the …
Manufacturing method of ammonium perchlorate
The present invention relates to a method for preparing ammonium perchlorate crystals. More specifically, the method includes the processes of: forming ammonium perchlorate slurry by dissolving primarily crystallized ammonium perchlorate crystals through inorganic synthesis of sodium perchlorates (NaClO_4) and ammonium chlorides (NH_4Cl); growing seeds of the …
A novel electrochemical process for the production of …
Perchloric acid, HC104, and ammonium perchlorate, NH4C104, of high purity have been produced by electrolysis of chloric acid and subsequent reaction with high purity ammonium …
Investigation of kinetic parameters for ammonium perchlorate thermal
According to Boldyrev, the thermal decomposition mechanism of ammonium perchlorate follows a proton transfer mechanism [1] and this involves two stages, namely LTD and HTD. The temperature ranges up to 300°C is the region of low-temperature decomposition (LTD) and only 30% of the sample will decompose in this stage. ...
Process for producing perchloric acid and ammonium perchlorate
Ammonium perchlorate is produced a process which comprises: (a) oxidizing a solution of chloric acid substantially free of ionic impurities, (b) introducing gaseous ammonia or an ammonium hydroxide solution into the crystallizing zone to produce ammonium perchlorate crystals, wherein the aqueous solution of perchloric acid and/or the ammonium hydroxide solution is in droplet …
Numerical Investigation on the Effect of Ammonium Perchlorate …
A gas–solid-coupled sandwich combustion model was established for ammonium perchlorate (AP)/hydroxyl-terminated polybutadiene (HTPB) composite propellant. Numerical simulations were conducted to investigate the influence of the content of AP and the relative position of the coarse AP on the flame structure and the burning rate of the propellant. The …
Nanometer Ammonium Perchlorate and Ammonium Nitrate …
Nanometer (nano) ammonium perchlorate (AP) and ammonium nitrate (AN) were prepared with 2D network structures by the ultra-low temperature spray method.
Ammonium perchlorate | NH4ClO4 | CID 24639
Ammonium perchlorate, an oxidizer, is the most prevalent form of this compound; has been widely used in solid propellants, fireworks, and flares; and is a constituent of many munition components. Manufacture of ammonium perchlorate began in the 1940s, primarily for use by the defense industry and later by the aerospace industry. ...
Prediction of Particle Size of Ammonium Perchlorate during Pulverisation
In this paper, a novel ultrasonic-assisted microfluidic system that ensures the safe and rapid preparation of ultra-fine AP crystals with controllable size and morphology was …
Prediction of burn rate of ammonium perchlorate–hydroxyl …
Ammonium perchlorate, HTPB, aluminium (Al), ballistic modifiers, burning rate catalyst, and other additives make up the solid propellant. Propeller blocks were aged at three distinct storage temperatures (70, 60, and 55 °C) with a constant relative humidity of 50%. The propellant underwent a uniaxial tension test as a mechanical test . The ...
Effects of Ammonium Perchlorate and CL-20 on …
Energy density, which is an important indicator of the performance of solid propellants, is known to increase with the addition of 2,4,6,8,10,12-hexanitro-2,4,6,8,10,12-hexaazaisowurtzitane (CL-20). However, it remains unclear how CL-20 affects the decomposition of ammonium perchlorate (AP) and energy release. Here, the effects of CL-20 on the …
8 Ammonium Perchlorate Manufacturers in 2024
What Is Ammonium Perchlorate? Ammonium perchlorate, an inorganic compound with the formula NH 4 ClO 4, is produced by reacting perchloric acid and ammonia or adding ammonium chloride to a sodium perchlorate solution. As a potent oxidizing agent containing nitrogen and hydrogen, it is an efficient propellant in explosives and rockets, minimizing waste.
Dye Decorated Ammonium Perchlorate with Fast …
Enhancing the thermal decomposition efficiency and safety of ammonium perchlorate (AP) is of far-reaching significance in composite propellants. Most catalysts act well on the thermal decomposition of AP, however, synergistically achievements of fastened decomposition and improved mechanical safety are still in challenge. Herein, neutral red ...
Design and preparation of novel spherical ammonium …
In this study, a novel spherical AP superstructure was prepared by adopting an N,N-Dimethylformamide (DMF)/oleic acid (OA) solvent/antisolvent system, in which OA was …
Combustion of Solid Propellants
ammonium perchlorate, nitramines, such as HMX, RDX and CL20 (HNIW), composite ammonium perchlorate-inert binder propellants, composite propellants based on a nitramine and an active binder, aluminum, with respect to the two previous types of propellants, additives, when appropriate. The features of the combustion zone described are: