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Explore our core evaporator product line engineered for high-efficiency desalination, wastewater treatment, and industrial clean water recovery — designed to minimize energy consumption while maximizing output quality.
A Simple Multiple Evaporator System is a thermal separation technology that uses a series of evaporation stages (effects) to progressively concentrate dissolved solids from water or liquid streams. By reusing the latent heat from vapor generated in one stage to drive evaporation in the next, these systems achieve dramatic reductions in energy consumption — making them the preferred solution for desalination, zero-liquid-discharge (ZLD) systems, and industrial wastewater recovery worldwide.
Each additional evaporation effect reuses secondary steam from the previous stage, reducing steam consumption by up to 70–80% compared to single-effect systems, dramatically lowering operating costs.
Systems can be configured with 2 to 7+ effects depending on energy availability and throughput requirements, making them adaptable for small industrial plants to large-scale municipal desalination facilities.
Suitable for seawater desalination, brackish water treatment, pharmaceutical effluent, food-grade concentration, chemical wastewater, and high-salinity industrial brine management.
The global demand for clean water solutions is accelerating at an unprecedented pace. Simple Multiple Evaporator Systems sit at the heart of this transformation, bridging the gap between industrial water scarcity and sustainable resource management.
According to the International Desalination Association (IDA), global installed desalination capacity has surpassed 100 million m³/day, with thermal-based multiple-effect evaporation (MEE) systems accounting for a significant share in industrial and high-salinity applications. In parallel, tightening environmental regulations across Asia, Europe, and North America are pushing industries toward zero-liquid-discharge (ZLD) compliance — a mandate that places Simple Multiple Evaporator Systems at the forefront of industrial investment decisions.
The evaporation technology landscape is rapidly evolving. Here are the most impactful trends driving adoption of Simple Multiple Evaporator Systems across desalination and industrial water recovery sectors.
Modern industrial facilities generate significant quantities of low-grade waste heat from processes, flue gases, and cooling systems. Integrating Simple Multiple Evaporator Systems with these waste heat sources enables near-zero additional energy input for evaporation, creating a compelling circular energy model that dramatically reduces carbon footprint and operational expenditure.
The combination of Multi-Effect Evaporation (MEE) with Mechanical Vapor Recompression (MVR) technology is emerging as the gold standard for energy-efficient water recovery. MVR compressors recycle secondary steam back into the system, achieving specific energy consumption as low as 8–12 kWh/m³ — a benchmark that makes large-scale industrial desalination commercially viable.
Stringent environmental regulations in China, India, the EU, and the US are mandating ZLD for industries including textiles, chemicals, power generation, and pharmaceuticals. Simple Multiple Evaporator Systems form the core evaporation stage in ZLD trains, concentrating brine streams before final crystallization — making regulatory compliance achievable without sacrificing process economics.
Next-generation evaporator systems are increasingly equipped with advanced PLC/SCADA automation, real-time IoT sensor networks, and AI-driven predictive maintenance algorithms. These digital enhancements enable remote monitoring, automatic parameter adjustment, fouling detection, and energy optimization — significantly reducing labor costs and unplanned downtime.
Rapid industrialization across Southeast Asia, the Middle East, and Africa is creating new demand hotspots for cost-effective water treatment infrastructure. Chinese manufacturers like Jiangsu Zongheng are well-positioned to serve these markets with competitively priced, high-quality Simple Multiple Evaporator Systems that meet international standards including ASME and ISO certifications.
Beyond water recovery, multiple evaporator systems are increasingly deployed to recover valuable by-products from industrial streams — including ammonium sulfate from fertilizer wastewater, sodium chloride from brine, and organic compounds from fermentation effluent. This shift from "waste treatment" to "resource recovery" fundamentally transforms the economic calculus of industrial water management.
Simple Multiple Evaporator Systems are deployed across a remarkably diverse range of industrial environments. Each application leverages the core advantages of multi-stage thermal evaporation: energy efficiency, scalability, and high-purity output.
In coastal industrial zones and island communities, Multiple Effect Evaporation (MEE) systems provide reliable freshwater production from seawater. When coupled with waste heat from power plants or industrial boilers, the energy cost per cubic meter drops to levels competitive with reverse osmosis, particularly for high-salinity feed waters above 70,000 ppm TDS.
Corn steep liquor, alcohol stillage (distillate), starch sugar, glucose, fructose, trehalose, sorbitol, and erythritol all require precise concentration evaporation. Simple Multiple Evaporator Systems deliver gentle, low-temperature processing that preserves product quality while achieving high concentration ratios — critical for downstream crystallization and drying operations.
Itaconic acid, threonine, amino acids, and active pharmaceutical ingredients (APIs) require sterile, contamination-free evaporation under vacuum conditions. Multi-effect systems with GMP-compliant stainless steel construction and CIP (clean-in-place) capability are standard in this sector, where product purity and regulatory compliance are non-negotiable.
High-salinity wastewater from chemical synthesis, ammonium sulfate recovery from flue gas desulfurization, and concentration of organic chemical streams all benefit from robust multiple evaporator configurations. Corrosion-resistant materials and pressure-rated designs ensure safe, reliable operation in demanding chemical environments.
Industries generating high-TDS wastewater — including mining, coal-to-chemicals, dyeing, and electroplating — are mandated to achieve zero liquid discharge. Multiple evaporator systems serve as the primary concentration stage, reducing wastewater volume by 80–95% before final crystallization, enabling full water recycling and solid waste management compliance.
Landfill leachate, industrial park centralized wastewater treatment, and municipal brine management are growing application areas. Simple Multiple Evaporator Systems offer a proven, scalable solution for reducing pollutant loads, recovering reusable water, and meeting increasingly stringent discharge standards — supporting sustainable urban and industrial development.
Founded in 1992, Jiangsu Zongheng Concentration & Drying Equipment Co., Ltd. (formerly Yixing Yangxi Light Industry Machinery Factory) is located in Zhoutie Town, Yixing City, on the shores of the beautiful Taihu Lake. The company covers an area of over 54,000 square meters, with a production workshop area of over 22,000 square meters.
A modern high-tech enterprise specializing in concentration, drying, starch industry, alcohol DDGS, and Category III medium & low-pressure vessel equipment. Currently a member enterprise of the China Starch and Alcohol Association, with products widely used in food fermentation, alcohol, chemical, pharmaceutical, environmental protection, and petrochemical industries.
The company's other main products include Tube Bundle Dryers, with design and manufacturing capabilities reaching 1600m² (making it a primary manufacturer of large tube bundle dryers). Other main products such as Single Screw Fiber & Germ Dehydrators and Wash Cyclones are recognized as high-quality products by starch manufacturers and the industry. High-quality products and a sincere service attitude have won consistent praise and trust from numerous users at home and abroad, fully demonstrating the company's first-class technical advantages and manufacturing capabilities for large-scale equipment.
Jiangsu Zongheng is always committed to exploration and innovation. Through years of sincere effort and user support, it has achieved sustained development. Main products include evaporation plants, comprising Multi-Effect Evaporators, Thermal Vapor Recompressors (TVR), Waste Heat Evaporators, and Mechanical Vapor Recompressors (MVR, achieving minimal unit energy consumption). These are widely used for liquid concentration, including distillates, alcohol stillage, ammonium sulfate, corn steep liquor, itaconic acid, threonine, starch sugar, sorbitol, glucose, fructose, trehalose, erythritol, organic wastewater, high-salinity wastewater, etc., making the company one of the domestic manufacturers with the most extensive product variety.
In March 2002, the company took the lead in obtaining ISO9001:2015 international quality system certification (Certificate No.: 45021). In July 2007, it became a Jiangsu Provincial High-Tech Enterprise. In April 2009, the company obtained the Special Equipment Manufacturing License of the People's Republic of China (License No.: TS2232C42). In August 2012, it acquired the ASME "U" Stamp authorization, marking the company's entry into a new phase of development. The company possesses strong R&D capabilities and advanced manufacturing processes, currently employing over 3 senior engineers and more than 20 engineers and assistant engineers. Multiple innovative technologies have been patented, and many products hold leading positions domestically.
The company currently holds an absolutely leading position in evaporation technology and has extensive cooperation with many renowned large domestic group companies, including Zhuofeng Biology, Meihua Group, Yufeng Group, Yihai Kerry, North China Pharmaceutical Group, Harbin Pharmaceutical Group, Shouguang Juneng, Qilu Pharmaceutical, Qiyuan Pharmaceutical, Xiwang Group, Shengtai Biology, Zhejiang Huakang, Kelun Pharmaceutical (Yili), and Shandong Tianli.
While meeting domestic market demand, the company's DDGS alcohol equipment and tube bundle dryer series products have been exported to Russia and Southeast Asian markets.
We are capable of providing professional technical support and after-sales service nationwide for our vast user base. High-quality products and their unique solutions not only enhance our corporate economic benefits but also bring us satisfaction by solving processing challenges for our clients.
We warmly welcome friends from various industries, both domestic and international, to visit us for cooperation and mutual development!
Browse our complete range of evaporator solutions engineered for desalination, industrial wastewater recovery, and zero-liquid-discharge applications across diverse industries worldwide.
