{"id":3614,"date":"2026-10-21T19:31:08","date_gmt":"2026-10-21T11:31:08","guid":{"rendered":"http:\/\/www.campanagardenbenidorm.com\/blog\/?p=3614"},"modified":"2026-10-21T19:31:08","modified_gmt":"2026-10-21T11:31:08","slug":"who-invented-tubular-modules-425d-cd3609","status":"publish","type":"post","link":"http:\/\/www.campanagardenbenidorm.com\/blog\/2026\/10\/21\/who-invented-tubular-modules-425d-cd3609\/","title":{"rendered":"Who invented tubular modules?"},"content":{"rendered":"

If you\u2019ve ever worked in water treatment, chemical processing, or even oil and gas, chances are you\u2019ve stumbled on tubular modules without even realizing it. Those sleek, hollow tubes that sort molecules, separate fluids, or filter out gunk? They\u2019re workhorses for so many industries, and as someone who\u2019s been supplying these for years, I get asked this question all the time: Who actually invented tubular modules? Tubular Modules<\/a><\/p>\n

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It\u2019s not a story of some random eureka moment in a lab, either. The idea evolved over decades, bouncing between different fields, tweaks from engineers, and even a little luck along the way. Let me break it down, keep it real, no stuffy jargon that\u2019ll make you scroll away.<\/p>\n

Back in the 1950s, membrane technology was just starting to pick up steam. People were already messing with flat membranes\u2014thin sheets that let small molecules pass through while blocking bigger ones\u2014for things like desalination. But flat membranes had a big problem: they took up way too much space, especially when you needed to process large volumes of water. Imagine trying to filter enough water for a whole city using only sheets of plastic laying on the floor; you\u2019d need a warehouse full of them, and they\u2019d clog fast, too.<\/p>\n

Then, in the early 1960s, a guy named Dr. Sidney Loeb popped up. He wasn\u2019t some household name, but he was a chemical engineer working at UCLA, obsessed with cracking desalination. Loeb and his partner, Dr. Srinivasa Sourirajan, were tired of flat membrane flaws, so they decided to try a different shape. Instead of a flat sheet, what if they turned the membrane into a tube? That way, flow would be uniform, the surface area would be way higher in a smaller space, and clogs would be way easier to flush out.<\/p>\n

Wait, but hold on\u2014they didn\u2019t just invent a tube. They figured out how to make a porous outer layer and a tight, selective inner layer for the membrane. That combination made reverse osmosis (RO) actually work at a commercial level, which was a huge deal back then. Before that, RO was just a lab trick, not something you could use for real jobs. Loeb and Sourirajan patented their asymmetric membrane tube in 1965, and that\u2019s widely considered the birth of the modern tubular module.<\/p>\n

But here\u2019s the thing: they weren\u2019t the only ones tinkering around the same time. A lot of other industries were experimenting with tubular structures for separation. In the late 1950s, the oil and gas sector was looking for ways to separate crude oil from water, and they were testing hollow tubes lined with membranes, though their designs were super basic, not optimized like Loeb\u2019s. Also, in the biotech space, researchers were using small tubes to grow cell cultures, but those weren\u2019t functional for mass separation.<\/p>\n

So the 1965 patent is the key moment, but tubular modules didn\u2019t become the go-to until the 1970s. Let\u2019s talk about why that shift happened. In the 70s, the Middle East water crisis hit\u2014places like Saudi Arabia were desperate for freshwater, and they needed a separation tech that could handle high-salt water. Loeb\u2019s tubular RO modules were perfect for that, because their tube design stood up to the harsh conditions of brackish and saltwater way better than flat membranes. Plus, as industrialization boomed, chemical plants needed to separate acids, bases, and solvents, and tubular modules could handle those tough chemicals without breaking down.<\/p>\n

Over the next 20 years, engineers started tweaking Loeb\u2019s original design. Early tubular modules were big, heavy, and made from old materials that corroded easily. By the 1990s, suppliers started using things like high-strength polymer liners and corrosion-resistant metal for the tube walls, which made them way more durable. They also shrunk the tube diameters a bit, so you could fit more tubes in a single module, cranking up the surface area even more. That\u2019s when tubular modules moved from desalination plants to all kinds of other industries\u2014food and beverage (think concentrating fruit juice without ruining the flavor), pharmaceuticals (purifying drugs), and even wastewater treatment (filtering out contaminants from factory runoff).<\/p>\n

Now, let\u2019s bring it to today. As a supplier, I see a lot of people mix up tubular modules with hollow fiber membranes, which are thinner, smaller tubes. But tubular modules stand out because they\u2019re tough. If you\u2019re working with really dirty water, harsh chemicals, or high pressure, hollow fibers can get clogged or break, but tubular modules keep working. That\u2019s why we sell so many to industrial facilities that can\u2019t afford downtime\u2014if a flat membrane clogs, you have to shut down the whole line, but a tubular module can be cleaned right in place, no full teardown needed.<\/p>\n

I\u2019ve been in this game for 12 years, and one thing I\u2019ve learned is that the best inventions aren\u2019t just one person\u2019s idea. Loeb and Sourirajan had that core idea, but hundreds of engineers and technicians after them made it better. I remember when we switched from the old metal-framed modules to the newer composite ones\u2014cut our clients\u2019 maintenance costs by 40% almost overnight. That\u2019s the evolution of tubular modules: it\u2019s not a finished product, it\u2019s something we\u2019re still tweaking for new uses.<\/p>\n

Wait, let\u2019s address a common myth: some people think tubular modules were invented for reverse osmosis, but early on, they were also used for ultrafiltration and microfiltration. By the 1980s, people realized you could change the membrane\u2019s pore size to separate way smaller things\u2014like bacteria, proteins, or even microplastics. So tubular modules aren\u2019t just for water; they\u2019re for almost any separation job where you need to get two things out of one mixture. For example, craft breweries use them to filter yeast out of beer without killing the flavor\u2014way gentler than old paper filters. Cosmetics companies use them to extract essential oils from plant matter, no harsh solvents needed.<\/p>\n

Another big shift in the 2000s: modular design. Early tubular modules were single, big tubes, but now they\u2019re made up of bundles of small tubes all packed into one unit. That means you can scale up your system without redoing the whole setup. If your business grows and you need more capacity, you just add a few more modules, not the whole machine. That\u2019s why tubular modules are so popular for small to medium businesses now\u2014they\u2019re flexible, which flat membranes can\u2019t really match.<\/p>\n

So going back to the original question: Who invented tubular modules? It\u2019s a mix. The core design we use today comes from Loeb and Sourirajan\u2019s 1965 patent, but the idea of tube-based separation has been around for decades before that, and thousands of people have improved it since. That\u2019s what makes this industry cool, right? It\u2019s not just about having the latest gizmo\u2014it\u2019s about building on what someone else started.<\/p>\n

As a supplier, I\u2019ve seen clients come to us thinking tubular modules are too expensive, or too complicated. But once I show them how they save on maintenance, reduce downtime, and work in conditions other membranes can\u2019t handle, they always get it. Just last year, a food processing plant was using flat membranes that clogged every two weeks, costing them $15k a month in repairs. We swapped their system for tubular modules, and now they only clean them once a quarter, saving almost $100k a year. That\u2019s the value of the tech Loeb first dreamed up, tweaked to fit real-world needs.<\/p>\n

Now, if you\u2019re reading this and you\u2019re in the market for separation tech, whether it\u2019s for water treatment, chemical processing, food and beverage, or anything else, I get it\u2014choosing the right module can be overwhelming. There\u2019s a lot of suppliers out there, but we\u2019ve been around long enough to know what works, and we\u2019re not just here to sell you a product\u2014we\u2019re here to help you figure out what you actually need. Tubular modules aren\u2019t one-size-fits-all, after all; some clients need high-pressure ones for desalination, others need chemical-resistant ones for acid separation, and we can customize them either way.<\/p>\n

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If you\u2019re tired of dealing with membranes that clog too easy, break down, or can\u2019t handle your specific workload, reach out to us for a consultation. We can walk you through the design options, answer any questions, and even help you figure out if tubular modules are the right fit for your process. No pressure, no sales pitches\u2014just real advice from people who\u2019ve been in the field for years.<\/p>\n

System Center<\/a> References<\/p>\n

    \n
  1. Loeb, S., & Sourirajan, S. (1963). Sea water demineralization by means of an osmotic membrane. Advances in Chemistry Series, 38, 117-132.<\/li>\n
  2. Baker, R. W. (2004). Membrane Technology and Applications (2nd ed.). Wiley.<\/li>\n
  3. Porter, M. C. (1990). Membrane Filtration: Processes, Technology, and Applications. Techonomics.<\/li>\n
  4. Water purification: The rise of reverse osmosis. (1981). Chemical Engineering Progress, 77(5), 30-36.<\/li>\n<\/ol>\n
    \n

    Hangzhou Nanoimp Environmental Technology Co., Ltd.<\/a>
    With abundant experience, we are one of the most professional tubular modules manufacturers and suppliers in China. Welcome to wholesale high quality tubular modules in stock here and get pricelist from our factory. We also accept customized orders.
    Address: Road 25, Baiyang Street, Qiantang District, Hangzhou City, Zhejiang Province
    E-mail: keith.wang@nano-sepmer.com
    WebSite:     https:\/\/www.nanoimp-membrane.com\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

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