Argonne Laboratories to Develop New High Temperature Membrane Ethylene Will Set off the Revolution of Ethylene Production Industry

The U.S. Department of Energy's Argonne National Laboratory has introduced a groundbreaking, eco-friendly ethylene production process that could spark a new industrial revolution in one of the most fundamental organic chemicals worldwide. This innovative method uses a high-temperature membrane to separate pure hydrogen from methane vapor, enabling the efficient and clean production of ethylene. Unlike traditional methods, which are energy-intensive and produce significant pollution, this new process is both more sustainable and cost-effective. The high-temperature membrane allows only hydrogen to pass through, preventing methane from coming into contact with oxygen and nitrogen in the air. This eliminates many of the environmental drawbacks associated with conventional ethane cracking, such as the formation of harmful gases like nitrogen oxides, carbon dioxide, and carbon monoxide. Every year, global ethylene production reaches approximately 75 million tons, contributing millions of tons of greenhouse gas emissions. By using a hydrogen-permeable membrane, Argonne’s technology reduces the need for continuous heating, as the hydrogen that passes through the membrane reacts with oxygen in the air to generate the energy required for the reaction. This not only cuts down on energy consumption but also enhances overall efficiency. Moreover, the membrane reactor continuously removes hydrogen, shifting the reaction toward higher ethylene yields—exceeding traditional equilibrium limits. This means more product can be generated with less input, improving yield and reducing waste. With the potential to simplify the production process and lower costs, the research team at Argonne is actively seeking industry partnerships to bring this high-temperature membrane technology to market as soon as possible. This development marks a significant step forward in making ethylene production cleaner, more efficient, and more sustainable for the future.

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The CNC milling process is a digital manufacturing process that is implemented by computer numerically controlled (CNC) machines. This process is used to produce parts with complex shapes, and the manufacturing process involves multiple steps. The following are the detailed steps of the general CNC milling process:Design: First, you need to design a CAD model of the parts you want to produce. A CAD model is a three-dimensional image created using computer-aided design software that can describe the shape, size, and features of a part.Programming: Next, you need to convert the CAD model into G-code, which is a type of computer instruction that controls the movement and operation of the CNC machine. G Code can be written manually or generated automatically using CAM software.Prepare the machine: Before you start machining, you need to check and prepare the CNC machine. This includes checking the machine's coordinate system, setting tools and cutters, and setting parameters such as the machine's speed and feed speed.Processing: After the machine is ready, the processing can begin. The machining process usually consists of multiple steps, such as roughing, finishing and drilling. At each step, the CNC machine moves tools and workpieces according to instructions in the G code to achieve the desired cutting operation.Inspection: After processing, the parts need to be inspected to ensure that they meet the design requirements and specifications. Inspection can be carried out by using measuring instruments, templates and other testing tools.Polishing and surface treatment: Parts can be polished and surface treated if needed to improve their surface finish and corrosion resistance. This can be done through the use of abrasives, chemicals and other tools.In short, the CNC milling process is a high-precision, high-efficiency manufacturing process for the production of parts with complex shapes. Through the control of CAD model and G code, the precise control of machine motion can be realized, so as to achieve high-precision parts processing.

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