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Maleic Anhydride from n-Butane (Fixed-bed Process)

By Intratec Solutions Maleic anhydride (MAN) is a multifunctional chemical intermediate with applications in several fields of the chemical process industries (CPI). Its major end use is as feedstock in the production of unsaturated polyester resins (UPR). In addition, maleic…

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Chemical Process Plants: Plan for Revamps

Follow this guidance to make the most of engineering upgrades that are designed to improve plant operations or boost throughput capacity The chemical process industries (CPI) are functioning in an era of globalization, and between the prevailing economic conditions and…

Large-Scale Fermentation Systems: Hygienic Design Principles

Fermentation has always been an important part of human history. Human beings are known to have made fermented foods since Neolithic times. With the discovery of microorganisms in the 19th century, fermentation became a viable route to produce synthetic chemicals…

Safety in Sulfuric Acid Storage Tanks

Commonly used in the CPI, sulfuric acid requires many special precautions to ensure its safe handling and storage Sulfuric acid, sometimes called the “king of all chemicals,” is widely used in the chemical process industries (CPI) for the manufacture of…

Ionic Liquids Create More Sustainable Processes

The distinctive properties of ionic liquids enable versatility and efficiency across many industrial applications Ionic liquids — salts in a liquid state at ambient conditions — make up a fascinating family of materials whose unique physical properties have made them…

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Industrial Adsorbents

Industrially, adsorbent materials are used in a wide range of applications, including purification, separations, drying, spill management, catalysis, pollution control and others across a large number of industrial sectors. This column provides an overview of the major classes of industrial…

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Ethylene Glycol Production

Monoethylene glycol (MEG), also known as ethylene glycol (EG) or simply glycol, is a diol mostly used for the production of polyester fibers and polyethylene terephthalate (PET) resins. It is also used in antifreeze applications and in pharmaceuticals and cosmetics.…

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Production of Polylactic Acid

Polylactic acid (PLA) is the biodegradable polymer of lactic acid, which is produced via fermentation processes. For the last five decades, PLA has been mainly used in biomedical applications. The development of economical production routes and a rising environmental awareness…

Calculate NPSH with Confidence

Determining net positive suction head (NPSH) can be confusing, but with these guidelines, engineers can avoid the pitfalls of incorrect calculations Most engineers have likely heard the term NPSH (net positive suction head) at some point in their careers. Put…

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The Benefits of Seal-less Pumps for Full Product Containment

In cases where full containment of dangerous and hazardous chemicals is necessary, seal-less pumps can provide many safety and operational benefits To the average person, many of the raw materials that are commonly used in the chemical process industries (CPI)…