Linde Worldwide About Linde Linde Engineering Toggle menu Process plants Air separation plants FLEXASU®- Innovative air separation plants for a sustainable energy economy Air separation plants Having pioneered the first air separation unit in 1902, Linde builds on a long and rich heritage in cryogenic rectification. Over the years, we have delivered a steady stream of engineering innovations in this field. To this day, we remain at the forefront of the air separation business and continue to advance and fine-tune this key process for our customers in more than 90 countries around the world. As one of the largest and most experienced suppliers of air separation plants and industrial gases worldwide, we have already delivered over 4,000 air separation plants around the globe. We have successfully engineered and executed some of the most sophisticated mega complexes in the world today. Our execution expertise covers the full technology, engineering, procurement and construction lifecycle. Our leadership is built on a combination of innovative process technologies, state-of-the-art components and end-to-end engineering services extending from design and planning through to construction and operation. We manufacture all key components in house to ensure reliable operations and low lifecycle costs. Our vast portfolio is designed to offer the perfect fit for all volume, purity, product and performance needs. It scales from containerized and modularized ASUs to custom-engineered plants, producing anything from just a few hundred tons per day (tpd) to 5,500 tpd. Purity levels range from low to ultra-high. Customers rely on us for compliance with the strictest health, safety, environmental and quality (HSEQ) standards. They also benefit from our trusted partner ecosystem combining global procurement capabilities with local market advantages. Customized air separation plants Explore some of our customized ASU engineering masterpieces Modular air separation plants Explore the time, logistics and cost efficiencies of our modular offering Containerized air separation plants Discover why our containerized portfolio is the perfect fit for small and medium-sized ASUs Process plants Explore our vast and proven process engineering expertise beyond air separation Facts and figures of our air separation business Successful delivery of over 4,000 air separation plants in over 90 countries Hands-on insights from the operation of more than 550 ASUs Currently more than 356 patents protect Linde air separation technologies 19% TCO savings in the operation of our plants over the last 10 years 15% drop in average ASU power consumption over the last 10 years Full performance spectrum from containerized and modular ASUs to customized plants for more complex, challenging projects All key components made in house for reliable operation and low lifecycle costs Full service portfolio over entire plant lifecycle through LINDE PLANTSERV® Put our experience to work for you Get in touch Key components in focus Plate-fin heat exchangers (PFHEs) As a global leader in the field of plate-fin heat exchanger technology and vacuum brazing, we have supplied over 12,000 units since 1981. Coldboxes, packaged units and cryogenic columns World expert in cryogenic process plant design, we are a technology leader in the engineering of packaged units, coldboxes and columns. Rotating equipment for air separation units Cryostar provides a wide range of high reliability cryogenic expanders and process pumps suitable for continuous duty applications Downloads Modular air separation plants (PDF 2.0 MB) Customized air separation plants. (PDF 2.0 MB) In-house expertise you can count on. (PDF 2.0 MB) Setting new standards. Small and compact air separation units tailored to the emerging markets. (PDF 2.0 MB) Air separation plants. History and technological progress in the course of time. (PDF 3.0 MB) Oxygen safety in air separation plants (PDF 539.0 KB) Linde spareparts for oxygen services (PDF 664.0 KB) LINDE PLANTSERV® Let our LINDE PLANSERV® team support you every step of the way – from maintenance and repairs through asset health checks to full revamps FLEXASU® Synchronize energy supply and demand with FLEXASU® How can our LINDE PLANTSERV® team complement your in-house skills and resources? Contact us today Milestones in air separation Almost 120 years ago, Linde built the world’s first air separation unit. This was followed by a long list of “firsts”. Here you can read about just some of the highlights along the way. For a full list of milestones, refer to our brochure “Air separation plants. History and technological progress”. 1902 We pioneered the world’s first air separation unit (ASU) to produce oxygen using a single-column rectification system, thus paving the way for the use of gases in industrial applications. 1904 1910 1978 1990 1997 / 2004 2006 2017 Explore the exciting world of our engineers and plant specialists Previous Turning waste into a valuable resource Maximizing return on existing materials and resources for a more sustainable future Plant engineering during COVID-19 LINDE PLANTSERV® has planned an efficient revamp in compliance with strict coronavirus protection regulations. Dream team for steel works Successful revamp without interrupting operations Next 1 2 3 4 Sitemap Terms of Use Legal Notice Data Protection Cookie Policy Cookie Settings © Linde plc 2011-2021 Cookie Preferences By clicking “Accept All Cookies”, you agree to the storing of cookies and similar technologies on your device to enhance site navigation, analyze site usage, offer certain functionalities and assist in our marketing efforts. Strictly necessary cookies are always active. You can also manage your cookie choices individually by clicking on "Cookies Settings". Reject Accept All Cookies Cookies Settings