Hubei Sanli Fengxiang Technology Blog

 In today's world, sustainability is at the forefront of innovation, and one of the biggest challenges we face is how to reduce carbon dioxide (CO2) emissions. While CO2 is primarily known as a greenhouse gas contributing to global warming, recent advancements show that it can also serve a more constructive purpose—making plastics. Yes, you read that right! CO2, which was once just seen as a pollutant, is now being explored as a raw material for manufacturing sustainable plastics. But how is this possible, and what does it mean for the future of the plastics industry? Let’s dive into the fascinating world of CO2-based plastics.   What Are CO2-Based Plastics?   CO2-based plastics  refer to materials that use carbon dioxide as one of the core ingredients in the polymer-making process. These types of plastics are often referred to as “green plastics” due to their lower environmental impact compared to traditional petroleum-based plastics.   How Is CO2 Used in Plast...

 An air separation unit (ASU) uses the conventional multi-column cryogenic distillation technique to produce O2 from compressed air at high purity and recovery rate. ASU's energy consumption is related to recovery since it is linked to the air flow required by thermal power.   An  Air Separation Unit (ASU)  is an industrial process that separates atmospheric air into its primary components—namely nitrogen, oxygen, and sometimes argon and other rare inert gases. The process is essential for producing high-purity gases used in various industries, including healthcare, manufacturing, and chemical production. Here's a breakdown of how an ASU works:   1. Atmospheric Air Intake   The  air separation unit process  begins by drawing in atmospheric air. This air contains approximately 78% nitrogen, 21% oxygen, and 1% argon, along with trace amounts of other gases. The air is typically filtered to remove dust, moisture, and other impurities.   2. Compr...

 Hydrogen peroxide is a safe and effective disinfectant for cleaning electronic equipment, especially high-touch surfaces. It's often used in hospitals and other medical settings because it's effective at killing germs and bacteria. Hydrogen peroxide is also used to clean electrical circuits because it can oxidize many organic and inorganic materials.   What is Hydrogen Peroxide?   Hydrogen peroxide  is a chemical compound often used as a disinfectant and bleaching agent. It is commonly found in households for cleaning minor cuts and scrapes, as well as for whitening teeth and laundry. Available in various concentrations, it’s generally considered safe for household use, but its application on delicate electronics is another matter.   How Does Hydrogen Peroxide Work?   Hydrogen peroxide works by releasing oxygen when it comes into contact with organic material, which results in an oxidizing reaction. This reaction is effective at killing bacteria and viruse...

  While domestic and commercial cleaning share the same basic goal—cleaning—there are some distinctions between the two. The primary difference often lies in the equipment and materials used. Professional cleaners typically rely on high-powered, industrial-grade machines and chemicals that are unnecessary for routine home cleaning tasks.   However, you might be surprised to learn that many home cleaning methods and "hacks" are also employed by commercial cleaners. A classic example is the baking soda and white vinegar mixture, a staple in both domestic and commercial cleaning. Another versatile solution is hydrogen peroxide, which will be explored further below.   What Is Hydrogen Peroxide?   Hydrogen peroxide  is a versatile chemical compound with a wide range of uses. It is commonly found in personal care products such as toothpaste, mouthwash, and certain types of hair dye. Additionally, hydrogen peroxide is a staple in first aid antiseptics due to its disinf...

  What is MEG for PET?   MEG is the most common industrial diol which is used in manufacture of polyester fibre, fabrics and polyethylene terephthalate (PET) resin used for production of plastic bottles. Other industrial uses are as a coolant, heat transfer agent, antifreeze and a hydrate inhibitor in gas pipelines.   1. Understanding Monoethylene Glycol (MEG)   1.1 Definition and Chemical Properties   Monoethylene Glycol (MEG)  is a clear, colorless liquid with a sweet taste. Chemically, it's a diol, or a type of alcohol with two hydroxyl groups. MEG is produced from ethylene oxide through a process known as hydrolysis. Its primary characteristics include high solubility in water and low volatility, making it an essential compound in various industrial processes.   1.2 Production Process   MEG is typically manufactured through the reaction of ethylene oxide with water. This process involves the following steps:   - Ethylene Oxide Synthesis: ...

  Formic acid, a simple carboxylic acid with the chemical formula HCOOH, is extensively used across numerous industries due to its versatile properties. This article explores the various production technologies employed to manufacture formic acid, detailing the processes, advantages, and applications.   The Basics of Formic Acid Formic acid  is naturally found in some ants and plants, and it serves as an essential industrial chemical. Its applications range from leather tanning and textile dyeing to agriculture and food preservation. The following sections highlight the primary methods used for its industrial production.   Methanol Carbonylation One of the most prevalent methods for producing formic acid involves the carbonylation of methanol. This process entails the reaction of methanol with carbon monoxide in the presence of a catalyst, usually a metal complex like rhodium or cobalt.   Process Steps: 1. Methanol Preparation: Methanol is purified and dried to ...