Treatment Technologies
Boiler Water Treatment Companies
Boiler water solution providers, softening, demineralization, condensate polishing, and chemistry programs for steam plants.
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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.
Feedwater Conditioning and Internal Treatment Programs for Boiler Systems
Boiler water treatment is divided into external treatment—conditioning the makeup water before it enters the system—and internal chemical treatment applied to the boiler itself. External treatment typically includes softening to reduce hardness below 1 mg/L as CaCO₃, deaeration to remove dissolved oxygen and carbon dioxide, and sometimes dealkalizing to control total dissolved solids (TDS) buildup. Internal treatment programs use oxygen scavengers (sodium sulfite at low pressure, DEHA or carbohydrazide at high pressure), alkalinity builders to maintain pH in the 10.5–11.5 range, and scale dispersants for any residual hardness that penetrates the external treatment.
Steam purity is critical in process industries where steam contacts product directly, such as pharmaceutical manufacturing, food processing, and brewery operations. Volatile amines (morpholine, cyclohexylamine) used for condensate system corrosion protection must be selected and dosed carefully based on their distribution ratio and the steam's end use—some amines are not acceptable in direct steam injection applications. Providers working in regulated industries should be familiar with FDA and USDA guidelines for boiler chemical use in food-contact steam applications.
Blowdown management is central to boiler efficiency and water treatment efficacy. Cycles of concentration in the boiler (the ratio of dissolved solids in boiler water versus feedwater) must be controlled within limits specific to your operating pressure—ABMA guidelines provide the reference targets. Automatic blowdown control systems that monitor conductivity and execute intermittent and continuous blowdown based on real-time TDS readings significantly improve both treatment effectiveness and water/energy savings versus manual blowdown.
Frequently Asked Questions
What is oxygen scavenging and why is it critical in boiler feedwater treatment?
Dissolved oxygen in boiler feedwater causes pitting corrosion on feedwater lines, economizers, and boiler tubes—even at concentrations as low as 5 ppb. Oxygen scavengers react with dissolved oxygen before it can reach metal surfaces. Sodium sulfite is the standard chemical scavenger for low-pressure boilers (below 600 psi), while catalyzed diethylhydroxylamine (DEHA) or carbohydrazide are specified for high-pressure systems because their decomposition products do not contribute to TDS. Mechanical deaeration ahead of chemical scavenging is strongly recommended because chemicals alone cannot economically handle high dissolved oxygen loads.
How do I determine the right cycles of concentration target for my boiler?
Cycles of concentration (COC) targets are set based on operating pressure, water chemistry, and ABMA boiler water quality guidelines. Higher pressure boilers require lower COC limits to keep silica, TDS, and alkalinity in the boiler water within specification. As a general rule, a 600 psi boiler targets 20–40 COC, while a 1,500 psi unit may be limited to 10–15 COC. Your treatment provider should calculate COC targets based on your specific feedwater chemistry and the ABMA limits for your boiler's rated pressure.
What chemical treatment is required for direct steam injection in food processing?
FDA and USDA have specific approved lists for boiler water treatment chemicals used where steam contacts food directly (3-A Sanitary Standards and FDA 21 CFR 173.310). Only specific amines, oxygen scavengers, and anti-foam agents are permitted, and at defined maximum use levels. Sodium sulfite and food-grade tannins are among the approved internal treatments; many common industrial amine programs are not acceptable. Confirm with your treatment provider that their program is explicitly formulated and documented for food-contact steam applications before use.
How often should boiler water chemistry be tested and by whom?
For low-pressure heating boilers, monthly on-site testing of pH, hardness, conductivity, and alkalinity is a minimum, with the treatment provider conducting a full panel quarterly. High-pressure process boilers in continuous operation warrant daily on-site testing of conductivity, phosphate residual, sulfite or DEHA residual, and pH, with monthly provider-conducted analysis including silica, iron, and copper. Deviations outside control limits should trigger corrective action within 24 hours to prevent deposit accumulation or corrosion damage.