BlueNotes

Electrodialysis Reversal (EDR) is getting a second life. Once overshadowed by reverse osmosis, new designs, capacitive approaches, and ceramic membranes are opening doors in brackish desalination, food and beverage, and even lithium recovery. Costs and complexity remain hurdles, but innovation is giving EDR fresh momentum .

Another blind spot: microfibers. Over half a million metric tons entered the environment in 2023, with te...

PFAS sensing is heating up—but still waiting for a true breakthrough. Dr. Kim Wu joins to explore a market set to hit $480M by 2026, with field-based sensors potentially swelling to $750M by 2030. Demand is surging, regulations are tightening, yet no real-time solution exists. Kim points to electrochemical sensing paired with AI as the most promising pathway, while early players like Sense and Puri are racing prototypes into the fi...

BlueTech's TAG expert Dr. Sebastien Tillman joins Rhys and Divya to unpack a wave of projects in places as unexpected as Belgium and the UK, challenging the “it rains here” mindset. The driver? Not just technology, but trust. Public outreach remains the decisive factor between a flagship success and a stalled proposal.

The long-standing “RO is the gold standard” stance is giving way to new thinking. Carbon-based advanced t...

Autonomous water plants are here—and 49 of them are already running in China, serving 17 million people with no one on-site. Dr. Kim Wu unpacks this jaw-dropping stat and what it signals for digital twins, smart networks, and the new edge of AI in water. She also flags the rise of low-power IoT and how cybersecurity is shifting from afterthought to core infrastructure need. Later, we welcome Dr. Rick Woodling, the newest member of ...

Did you know there are at least 16 different ways to capture carbon—and some of them actually generate water? Others, however, could increase water consumption at power plants by up to 30%. In this episode, Rhys and Divya unpack the complex relationship between water and carbon capture technologies, where scale-up is accelerating and trade-offs are becoming harder to ignore.

They also turn their focus to AI: data centers poweri...

Dr Vishal Wagholikar joins Rhys and Divya to break down findings from his new Horizon Scan on cooling technologies. As data centres grow more power-hungry, water use is emerging as a blind spot—and a growing concern. 

The trio unpacks liquid cooling breakthroughs, water use effectiveness metrics, and shifting industry priorities. If you’re in cooling, water, or digital infrastructure, don’t miss this. 

The full report is no...

January 2025 brought significant changes to the water industry. From extreme weather events affecting Cork, Australia, and LA, to the EPA's withdrawal of proposed PFAS limits following the new Trump administration. Bluetech will host a press briefing on the implications of these PFAS regulatory changes, particularly for biosolids management.

New research reports

Bluetech's latest research covers critical water sector c...

In this finale episode, Rhys and Divya reflect on the year's achievements, including the launch of a Market-creating Legislation and Regulation Tracker and a review of photodynamic disinfection technology. They also delve into BlueTech's Top 10 Patent Applications for 2024 and share a sneak peek at the exciting topics slated for 2025. Stay tuned for updates on Bluetech Forum Unplugged, a new event format that promises mor...

In this special episode of the BlueNotes Podcast, hosts Rhys Owen and Divya Inna are joined by Jacob Steele, Senior Research Analyst and author of BlueTech’s latest Horizon Scan on PFAS Destruction Technologies. This episode builds on the recent client-only web briefing, broadening the conversation to the wider water community about the persistent challenge of PFAS (“forever chemicals”) and the technologies driving change.

Jaco...

Green Chemistry takes center stage as Rhys and Divya dive into the world of sustainable chemical manufacturing and the importance of the 12 principles from the US EPA. Discover the challenges and potential of market adoption and the exciting developments in green alternatives like Hydrex and bio-based polyacrylamide flocculants. 

Shift focus to Ultrafiltration (UF) membranes as we explore emerging innovations in ceramic and gra...

With WEFTEC a couple of weeks from now, hosts Divya Inna and Rhys Owen dive into the highly anticipated event, which is the largest water industry event in North America, taking place in New Orleans. Join them as they highlight BlueTech Research’s top picks for the most impactful presentations and innovations, along with key events not to miss.

You’ll hear an expert breakdown of the top abstracts submitted to WEFTEC and categorized ...

Earth Observation Science (EOS) is a rapidly growing field, with applications ranging from water risk assessment to sustainability reporting. Satellite data can be used to monitor drought and flood risk, water quality, and leak detection. The market for EOS solutions in the water sector is estimated to reach $2 billion by 2027. Utility and technology providers are increasingly interested in this space. This market potential is expl...

In this episode of the Blue Notes podcast, hosts Divya and Rhys discuss recent travels and conferences, including high-profile events on lithium and hydrogen. They delve into the lithium market and the technology breakthroughs in direct lithium extraction, as well as the challenges in the hydrogen economy. The conversation also covers advanced thermal sludge treatment technologies and recent regulatory changes in the EU Wastewater ...

In this episode of the Blue Notes podcast, the hosts, Rhys and Divya, begin with a discussion about recent technical hiccups Rhys faced and a brief update on Divya's camper van office situation due to a house move. They reflect on their experiences at the Bluetech Forum, highlighting key presentations and personal stories, including Professor Kongjian Yu's talk on China's sponge cities movement and various personal &...

This episode features the upcoming Bluetech Forum, an event hosted by BlueTech Research that convenes experts from the global water sector. Scheduled for June 3rd and 4th, the forum highlights include innovation showcases. 

Hosts Rhys and Divya also discuss the event's emphasis on partnerships and collaborations, such as the five by five session. Keynote speakers, Kong Jianyu, discussing sponge cities, and Gary White...

In this episode, Rhys and Divya discuss the global premiere of 'Our Blue World, A Water Odyssey' in New York, highlighting the fantastic celebration of the planet and the event's success, attributed to the support from various partners. They also touch upon the Brave Blue World Foundation, aimed at fostering scientific, educational storytelling for public engagement. 

Additionally, the discussion veers into ...

In this episode of the Blue Notes podcast, hosts Rhys and Divya discuss a variety of topics including the excitement surrounding the global premiere of Bluetech's second documentary 'Our Blue World: A Water Odyssey' on Earth Day in New York, welcoming key collaborators. 

A significant portion of the conversation focuses on the new PFAS regulations by the EPA, setting strict maximum contaminant levels for dri...

This episode of Blue Notes dives into the world of water innovation. Join Divya and Rhys as they discuss the upcoming Bluetech Forum in Edinburgh, Scotland (June 3rd-4th), where industry leaders will explore the latest water tech solutions.

They then shift gears to chat about a critical environmental issue: greenhouse gas emissions from wastewater treatment plants. They highlight a new Bluetech Research report on measuring and reduc...

We delve deep into the transformative role of artificial intelligence (AI) and large language models (LLMs) in the water industry as we explore the rapid evolution of AI technology, including machine learning and generative AI, and how large language models are revolutionizing data analysis, decision support, and customer service within the water sector.

We also introduce our new artificial intelligence large language model watch se...