Treatment Technologies
Water Conditioning Companies
Water conditioning suppliers for scale, corrosion, and biological control in cooling, boiler, and domestic water loops.
This page is a good fit if you need:
- Flat Sheet UF Membranes or Hollow Fiber RO capabilities
- Suppliers with food-beverage sector experience
- Providers operating in China or Indonesia
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How to choose a water conditioning provider
Start with providers that clearly operate in your target geography and project footprint.
Look for industry exposure that matches your water challenge, compliance constraints, and deployment context.
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Ecosystems International
PT Ecosystems International (PT ESI) was established at Jakarta on 21st November 2006. We are an industrial effluent treatment systems integrator specializing in electrocoagulation (EC), a unique waste water treatment profile. PT ESI has capabilities in designing complete waste water treatment solutions by combining various effluent treatment systems such as the electro-coagulation, biological, chemical processes and membrane filtration, offering its customers a wide and comprehensive range of solutions, tailored to suit their various needs – ranging from basic effluent treatment for discharge to effluent recycling for water reuse. The Company is experienced in handling the design, engineering, procurement, construction and operation of new Effluent Treatment Plants (“ETP”) and possesses expertise in retrofitting existing ETP to increase the flow rate and treatment capability without any major infrastructure increase PT ESI is also a premier waste water treatment service company specializing in handling waste water generated from Exploration (Drilling) and Produced Water. Customers in Indonesia include major Oil & Gas companies such as Pertamina, Exxon, Chevron, Petro-China and Medco. Operations in Indonesia are provided by both mobile and fixed units. At drill sites where waste-water recycling is required, PT ESI supplement these treatment units with skid mounted mobile Reverse Osmosis systems. The technologies and solutions employed by PT ESI are developed in-house and examples of these are its proprietary Trident™ Electro Contaminant Removal (“ECR”) system, the Stage Contaminant Removal (“SCR”) process and Mobile On-Site Waste-Water Treatment (“OWT”) units
Brine Consulting
BRINE CONSULTING delivers senior-level strategy, technical design, and actionable insight across the full lifecycle of water-related challenges. We support clients with advisory and due diligence, advanced brine management and resource recovery, industrial and municipal water reuse, and MLD/ZLD systems. Our team also leads ESG and climate-resilience strategy, innovation scouting, and international development and PPP advisory. With deep specialization in desalination, brine valorization, circular economy models, and high-impact infrastructure, we help organizations turn water and waste streams into opportunities, providing clear thinking, rapid delivery, and solutions built for real-world results.
Gi Aqua , Water as a Service
GI WAAS delivers cutting-edge water and wastewater solutions using advanced nanotechnology and zero total discharge solution sets industry standards. Our mission is to provide smart, sustainable, and decentralized treatment systems. We are committed to circular economy principles and reducing environmental impact. Our holistic approach provides comprehensive, tailor-made solutions that are designed to meet the specific needs of each client
Hangzhou Realize Technology Co., LTD.
HANGZHOU REALIZE TECHNOLOGY CO., LTD. is a technology enterprise. The company collaborates with domestic and international universities such as Beijing University of Technology, Tsinghua University, and Berlin University of Technology to address the challenges of enhancing anaerobic efficiency and nitrogen removal in high-ammonia nitrogen wastewater. The core technologies foucs on energy-saving denitrification and enhanced green methane production. These two technologies can increase production efficiency of green methane by 20% and reduce costs of wastewater denitrification by 60%.
Hainan Litree Water Purification Technology Industry Co., Ltd.
Litree: Pioneering Ultrafiltration for a Water-Secure World Founded in 1992, Litree has dedicated 30+ years to redefining water purification through ultrafiltration (UF) membrane technology—our core expertise and passion立升（Litree）. As a global high-tech enterprise rooted in independent innovation, we’ve evolved from a membrane R&D startup to one of the world’s leading water problem solvers, with over 146 core patents and state-of-the-art manufacturing hubs in Haikou and Suzhou, China立升（Litree）. Our signature hollow fiber UF membranes are engineered to deliver unmatched performance: 0.01μm precision removes 99.99% of bacteria, viruses, and contaminants while preserving essential minerals—striking the perfect balance between purity and health立升（Litree）. This technology powers our diverse solutions, from residential whole-house systems to large-scale municipal projects and industrial wastewater treatment, all designed for sustainability and cost-efficiency. What truly sets us apart is our commitment to making safe water accessible. We’ve completed projects serving 50,000+ residents with centralized purification systems that cut construction costs and footprint by 50% compared to traditional setups—proof that advanced technology can also be affordable. Today, our solutions reach 60+ countries, supporting 3,000+ industrial clients and millions of households worldwide. At Litree, water isn’t just our business—it’s our mission. We believe every drop matters, and we’ll keep pushing boundaries to create a future where clean, safe water is a universal right, not a privilege
Sidonwater S.L.
Sidon Water is a water technology company specialised in non-chemical water treatment and system optimisation. We develop and deploy advanced solutions that prevent and remove limescale, reduce fouling and corrosion, and improve the performance of cooling towers, industrial water systems, and reverse osmosis and desalination installations. Sidon Water works with industrial clients, commercial building owners, OEMs and EPC partners to deliver measurable improvements in energy efficiency, operational reliability and asset lifetime. Our activities cover the full cycle from analysis and pilot projects to system integration, commissioning and long-term performance optimisation.
Managing Scale, Corrosion, and Hardness Across Facility Water Systems
Water conditioning addresses the chemical stability of water within distribution and process circuits—not just its purity. Calcium carbonate scaling deposits on heat transfer surfaces reduce efficiency and can block flow paths in cooling systems, boilers, and heat exchangers within weeks when the Langelier Saturation Index (LSI) is not properly controlled. Antiscalant dosing inhibits crystal growth at sub-stoichiometric concentrations, while threshold inhibitors and dispersants keep existing scale in suspension for blowdown removal. Ion exchange softening removes hardness ions upstream of systems where even low concentrations cause operational problems.
Corrosion management is equally important and often overlooked in conditioning programs. Aggressive water with a negative LSI attacks metallic pipework, releasing iron and copper ions that foul downstream equipment and create compliance issues in potable systems. Chemical corrosion inhibitors—orthophosphates for steel, azoles for copper alloys—form protective passivation films. Providers offering conditioning programs should perform monthly water chemistry monitoring and adjust dosing rates seasonally as makeup water quality and system temperatures change.
When selecting a conditioning provider, ask whether they own and service the chemical dosing equipment or simply supply chemicals. Providers who install and maintain automated dosing controllers, conductivity meters, and pH probes as part of a managed service have accountability for outcomes, not just chemical delivery. This distinction is especially important for facilities without dedicated water treatment operators.
Frequently Asked Questions
What is the Langelier Saturation Index and why does it matter?
The Langelier Saturation Index (LSI) measures whether water will tend to precipitate or dissolve calcium carbonate. An LSI above +0.5 indicates scaling tendency; below -0.5 indicates corrosive conditions. For closed cooling systems and boilers, keeping LSI in a slightly positive range (0.0 to +0.5) forms a protective carbonate film on metallic surfaces while minimizing scale buildup. Water conditioning programs use pH adjustment, hardness control, and antiscalant dosing to maintain LSI within this target band.
When is a water softener the right solution versus antiscalant dosing?
Ion exchange softening is preferred when hardness must be removed from the water before it enters the system—typically for boiler feedwater, steam humidifiers, or processes sensitive to calcium and magnesium. Antiscalant dosing is more cost-effective for cooling towers, RO pre-treatment, and open recirculating systems where complete hardness removal is unnecessary and chemical inhibition of scale growth is sufficient. Antiscalants do not actually remove hardness; they prevent it from depositing, so they are not appropriate for applications with strict hardness limits.
How do I evaluate competing water conditioning chemical programs?
Request coupon corrosion rate data (in mils per year for carbon steel and copper) under the proposed program and compare against industry benchmarks: below 2 mpy for steel and below 0.5 mpy for copper in HVAC cooling systems. Ask for scale inhibition efficiency data under your specific water chemistry and temperature conditions. Also evaluate monitoring frequency, reporting format, and the provider's response protocol when water chemistry drifts out of control limits.
What are the risks of running a facility without a water conditioning program?
Without conditioning, scale on heat exchanger surfaces as thin as 1.5 mm reduces heat transfer efficiency by 10–15%, increasing energy consumption and forcing more frequent cleaning shutdowns. Uncontrolled corrosion in cooling systems can lead to pinhole failures in chiller tubes, contamination of process streams, and Legionella risk amplification in stagnant, warm corroded pipework. Regulatory liability and insurance exposure also increase without documented water management plans, particularly under ASHRAE 188 and local health codes.