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Introduction Aluminum hydroxide (chemical formula Al (OH)₃) is an important inorganic compound. It is widely used in medicine, ceramics, lithium battery precursors, etc. In this article, we will discuss the application of aluminum hydroxide as a precursor of lithium battery positive electrode material. The application of aluminum hydroxide in the precursor of positive electrode materials […]

1. Introduction of coal gangue Coal gangue is a solid waste by-product generated during coal mining and washing. Its main components include silicon dioxide (SiO₂), aluminum oxide (Al₂O₃) and iron oxide (Fe₂O₃). Coal gangue has characteristics of low calorific value (usually < 12 MJ/kg), high sulfur content, and easy spontaneous combustion. Long-term storage of coal gangue

Dear customers/partners: Thank you for your long-term attention and support to our company. As a manufacturer of powder processing equipment, our company sincerely invites you to visit the 17th China International Battery Fair (CIBF 2025) held at Shenzhen World Exhibition & Convention Center (Bao’an New Hall) from May 15 to 17, 2025. Welcome to visit our

1. Introduction Fly ash is one kind of fine particle waste produced after the combustion of coal powder in coal-fired power plants. Its global annual emissions exceed 700 million tons. The chemical composition of fly ash is mainly SiO₂ (40-60%), and Al₂O₃ (20-35%), with a small amount of Fe₂O₃, CaO and unburned carbon. Traditional stacking

1. Introduction With the rapid development of steel industry, steel slag, as the main by-product during steel-making process, the annual output has exceeded 100 million tons (data from China Iron and Steel Association CISA). Traditional slag treatment methods have problems of low utilization rate and environmental pollution. The use of efficient classification technology to achieve fine sorting and

Air Classifier is a device that uses aerodynamic principles to classify powder materials. It is widely used in many fields, such as: chemical, pharmaceutical, and metallurgical industries. Air classifier can efficiently separate powder materials according to particle size, to meet the precise requirements of different industries. In order to ensure its long-term stable operation and efficient

As a highly efficient grading equipment, air classifier has made remarkable progress in technology in recent years. In this article, we will briefly analyze the technical development status of air classifier. Current status of technical development of air classifier High classification accuracy — Micron and nanometre classification: Modern air classifier can achieve high-precision classification at the

Silicon carbide is an inorganic substance with the chemical formula SiC. It is made by smelting quartz sand, petroleum coke (or coal coke) and sawdust through high temperature in a resistance furnace. Silicon carbide is very hard, with a Mohs hardness of 9.5, second only to the world’s hardest diamond (level 10). It has excellent thermal conductivity,

In the complex process of industrial production, the grading process is crucial. It directly affects product quality and production efficiency. As a professional classifier manufacturer, Qingdao Epic Powder Machinery Co., Ltd. can provide air classifier with excellent performance, reasonable prices to enterprises, to help them seize market share. Epic powder is a manufacturer specializing in the production of

In the field of metal processing, accurate grading of metal powders is critical. Metal powders are used in a wide range of industries from aerospace to electronics, and the quality of the final product often depends on the accurate grading of these powders. The importance of metal powder classification Metal powder has a wide range of particle sizes.