Knowledge

Ceramic membranes

Ceramic membrane filters separate particles and contaminants from liquids for water treatment and industrial processing. LiqTech explains their operation, applications and benefits, including chemical resistance, long service life and support for wastewater reuse. ...

Membrane filtration for heavy metal removal

Discover how membrane filtration removes heavy metals and other contaminants from industrial wastewater. Explore the filtration process, different membrane types, and the advantages of LiqTech’s silicon carbide ceramic membranes. Learn how chemical resistance, high water flux, and efficient membrane cleaning ...

5 heavy metal removal techniques and the opportunities they bring

Discover five effective heavy metal removal techniques for industrial wastewater treatment: chemical precipitation, ion exchange, electrolytic recovery, adsorption, and membrane filtration. Explore the advantages and limitations of each method, and learn how LiqTech’s silicon carbide ceramic membranes help reduce chemical ...

Industrial wastewater discharge limits and requirements

Discover industrial wastewater discharge limits and regulatory requirements across the USA, EU, UK, Australia, China, Germany, and India. Explore key wastewater quality parameters, including pH, BOD, COD, suspended solids, and heavy metals. Learn how discharge standards vary by country and ...

What is Industrial wastewater and what are the characteristics?

Discover what industrial wastewater is, where it comes from, and how its characteristics vary across industries. Explore the physical, chemical, and biological properties of wastewater, including pH, turbidity, COD, and BOD. Learn about common contaminants such as heavy metals, nitrogen, ...

What is industrial wastewater treatment?

Discover what industrial wastewater treatment is, how it works, and why it is essential for sustainable water management. Explore chemical treatment, mechanical filtration, and the three main stages of wastewater treatment. Learn how LiqTech’s ceramic membrane technology removes contaminants, enables ...

Endless opportunities for a sustainable shipping industry

Discover how innovative membrane technology creates new opportunities for a more sustainable shipping industry. Explore how closed-loop scrubbers reduce SOx emissions and fuel costs, while seawater reverse osmosis (SWRO) systems turn seawater into freshwater. Learn how LiqTech’s filtration solutions support ...

What is the technology behind a scrubber treatment unit?

Explore the technology behind a marine scrubber water treatment unit and how LiqTech’s silicon carbide ceramic membranes deliver efficient wastewater filtration. Learn how crossflow filtration, automated backwashing, and cleaning-in-place (CIP) remove harmful pollutants, minimize maintenance, and support compliance with marine ...

What does a scrubber remove?

Discover what a marine scrubber removes from ship exhaust gases and how it helps reduce harmful emissions. Learn how scrubbers can remove up to 98% of sulfur oxides (SOx), 60–80% of particulate matter (PM), and 5–10% of nitrogen oxides (NOx). ...

What is open-loop to closed-loop scrubber conversion?

Discover how converting an open-loop scrubber to a closed-loop or hybrid system helps ships comply with stricter environmental regulations. Learn how scrubber conversion reduces polluted wash water discharge, enables continued use of cost-effective heavy fuel oil, and protects existing investments. ...

Why use a closed-loop scrubber?

Discover the key benefits of using a closed-loop scrubber in the maritime industry. Learn how closed-loop scrubber systems help ships comply with IMO sulfur regulations, reduce SOx emissions, and achieve fuel cost savings by continuing to use heavy fuel oil. ...

How does a closed-loop scrubber work?

Discover how a closed-loop scrubber works to reduce SOx emissions from marine exhaust gases. Explore the scrubbing process, alkaline dosing, wash water recirculation, and continuous monitoring. Learn how scrubber water treatment removes harmful pollutants, supports IMO 2020 compliance, and helps ...

Open-loop vs. closed-loop scrubbers

Discover the differences between open-loop, closed-loop, and hybrid marine scrubbers. Learn how each system operates, their environmental impact, and how tightening wash water discharge regulations affect compliance. Explore why closed-loop scrubbers offer a more sustainable solution and how LiqTech’s water ...

What is a marine scrubber?

Discover what a marine scrubber is, how it works, and why it is essential for reducing harmful emissions from ships. Explore the differences between open-loop, closed-loop, and hybrid scrubbers, and learn how LiqTech’s scrubber water treatment technology helps remove pollutants ...

What does a scrubber water treatment unit remove?

Discover what a scrubber water treatment unit removes from marine scrubber wash water. Learn how LiqTech’s filtration technology reduces harmful pollutants, including polycyclic aromatic hydrocarbons (PAHs), particulate matter (PM), and heavy metals such as cadmium and mercury, helping protect marine ...

Where are open-loop scrubbers banned?

Discover where open-loop scrubbers are banned and how discharge restrictions affect the shipping industry. Explore regulations across ports and territorial waters worldwide, the environmental impact of scrubber wash water, and how converting to closed-loop or hybrid scrubber systems can help ...

What are the wash water discharge regulations?

Understand the IMO wash water discharge regulations for marine scrubbers and how to maintain compliance. Explore key discharge limits for pH, PAH, turbidity, and temperature, along with the importance of continuous monitoring and effective scrubber water treatment to reduce marine ...

How do I comply with the IMO 2020 sulfur cap?

Discover how to comply with the IMO 2020 sulfur cap and meet maritime emission regulations. Explore compliance options, including low-sulfur fuels, marine scrubbers, and closed-loop scrubber systems. Learn how LiqTech’s scrubber water treatment technology supports cleaner shipping, regulatory compliance, and ...

What is the IMO 2020 sulfur cap?

Discover what the IMO 2020 sulfur cap means for the shipping industry. Learn how the global 0.5% sulfur limit reduces harmful SOx emissions, impacts shipowners, and promotes cleaner maritime operations. Explore compliance options, including low-sulfur fuels and marine exhaust gas ...

Sustainable pool filtration with reduced chemical consumption

Discover how sustainable pool filtration can reduce chemical consumption without compromising water quality or safety. Learn how LiqTech’s ceramic membrane technology delivers cleaner pool water, reduces chemical use by 30%, and lowers operating costs compared to conventional sand filtration systems. ...

How to operate and maintain a pool filtration system

Discover how to operate and maintain a commercial pool filtration system efficiently. Learn how LiqTech’s ceramic membrane technology simplifies maintenance through automated monitoring, backwashing, and optional cleaning-in-place (CIP), while reducing water consumption, downtime, and operating costs. ...

Sand filter vs. membrane filter

Sand filters and ceramic membranes differ in filtration performance, maintenance and resource consumption. LiqTech compares their water quality, backwashing needs, chemical use, footprint and service life to explain the options for commercial pool filtration. ...

How does a pool filtration system work?

LiqTech explains how ceramic membranes filter pool water by retaining particles while allowing filtered water to pass through. Explore the role of automated monitoring, compact system design and regular backwashing in maintaining filtration performance and reducing water and chemical consumption. ...

Why use a pool filtration system?

Swimmers and the surrounding environment continually introduce contaminants into pool water. LiqTech explains why effective pool filtration is essential for removing unwanted particles, maintaining water quality and helping reduce chemical consumption. ...

What is pool filtration?

Pool filtration removes particles and contaminants introduced by swimmers and the surrounding environment. LiqTech explains common filtration technologies, the role of filter pore size and how effective filtration helps maintain water quality in pools and spas. ...

Polymer membranes

Polymer membranes use pressure-driven filtration to purify, concentrate and separate liquids. LiqTech explores their materials, applications and manufacturing, comparing costs, durability and chemical resistance with ceramic membranes. ...

Membrane filtration

Membrane filtration separates contaminants from fluids using selective barriers. LiqTech explains membrane materials, industrial applications and the four main water filtration techniques: microfiltration, ultrafiltration, nanofiltration and reverse osmosis. ...

Ultrafiltration

Ultrafiltration uses low-pressure membranes to remove suspended solids and high-molecular-weight substances from water. LiqTech explains the process, membrane materials and industrial applications, including pretreatment for reverse osmosis and the differences between ultrafiltration and nanofiltration. ...

Microfiltration

Microfiltration uses pressure-driven membranes to separate suspended solids from water and wastewater. LiqTech explains membrane materials, pore sizes and industrial applications, alongside the key differences between microfiltration, ultrafiltration and reverse osmosis. ...

Nanofiltration

Nanofiltration uses pressure-driven membranes to separate selected salts and organic molecules from water. LiqTech explains the process, its applications in water softening and industrial treatment, and the key differences between nanofiltration and reverse osmosis. ...

What are the ceramic membrane filtration principles?

Discover the differences between inside-out and outside-in ceramic membrane filtration. LiqTech explains how crossflow, dead-end and submerged systems work, including their flow patterns, cleaning needs and suitability for different water treatment applications. ...

What kinds of ceramic membrane support designs exist?

Discover how ceramic membrane support designs suit different filtration needs. LiqTech explores tubular, hybrid and Aqua Solution membranes, explaining their structures, filtration modes and applications in industrial wastewater treatment, swimming pools and spas. ...

How is a ceramic membrane made?

Explore the key stages of ceramic membrane production: mixing silicon carbide, extrusion, coating and sintering. LiqTech explains how each step shapes membrane performance and how quality testing helps ensure durable, reliable filtration. ...

What does the membrane coating do?

The coating forms a ceramic membrane’s active separation layer, controlling pore size, water flux and selectivity. LiqTech explains how coating materials, uniform application and sintering contribute to consistent filtration performance and durable silicon carbide membranes. ...

What is a hybrid technology membrane, and why use it?

LiqTech’s hybrid technology membrane combines a silicon carbide support with a zirconia coating for ultrafiltration. Discover how its 60-nanometer pore size, chemical resistance and high permeability support demanding water and wastewater treatment applications. ...

Why use ceramic membranes

Discover why silicon carbide ceramic membranes are used in demanding filtration applications. LiqTech compares membrane materials and explains how durability, high water flux and resistance to fouling can support efficient wastewater treatment, water reuse and lower operating costs. ...

What is a ceramic membrane made of?

Silicon carbide combines durability, chemical resistance and a porous structure suited to demanding filtration applications. LiqTech explains how this material is sintered and coated to create ceramic membranes that support high water flux and long service life. ...

What is a ceramic membrane?

Ceramic membranes remove contaminants from liquids for applications ranging from industrial wastewater treatment to pool filtration. LiqTech explains their materials, filtration principles and cleaning methods, with a focus on silicon carbide technology and water reuse. ...

How is a ceramic membrane cleaned?

Discover how crossflow, backwash and cleaning-in-place help remove contaminants from ceramic membranes. LiqTech explains how these methods control fouling, restore permeability and support efficient filtration with less operational downtime. ...

How do ceramic membranes work?

Discover how ceramic membranes separate feedwater into filtered permeate and concentrate. LiqTech explains the role of pressure, membrane pore size and filtration ranges in removing contaminants from industrial liquids and supporting water reuse. ...

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