Explore our purpose-built wastewater evaporator systems designed for efficient landfill leachate treatment, volume reduction, and safe disposal.
Waste Heat Evaporator System for Landfill Leachate & High-Strength Wastewater Recovery
Jiangsu Zongheng Waste Heat Evaporator — Reduce Steam Consumption in Leachate Disposal
Falling Film Evaporator for Landfill Leachate — High-Quality Factory Solutions
Energy-Efficient Waste Heat Evaporator for Leachate Treatment & Reduced Emissions
Landfill leachate is one of the most challenging wastewater streams in the environmental management industry. Generated as rainfall percolates through solid waste deposits, leachate is a highly complex mixture of dissolved organic matter, heavy metals, ammonia nitrogen, chlorides, and emerging contaminants such as microplastics and pharmaceutical residues. Without proper treatment, leachate poses severe risks to groundwater, surface water, and surrounding ecosystems.
🔑 Wastewater evaporator systems have emerged as one of the most effective technologies for landfill leachate treatment — achieving volume reduction rates of up to 90–95% while enabling zero-liquid-discharge (ZLD) compliance.
An evaporator system works by applying heat energy to convert liquid leachate into vapor, which is then condensed and separated from concentrated residuals. The resulting distillate is typically clean enough for reuse or safe discharge, while the concentrate can be further solidified or managed as hazardous waste. Modern evaporator systems for leachate integrate advanced thermal technologies including Multi-Effect Evaporation (MEE), Mechanical Vapor Recompression (MVR), and Thermal Vapor Recompression (TVR) to maximize energy efficiency and minimize operational costs.
The global landfill leachate treatment market is undergoing rapid transformation driven by tightening environmental regulations, growing landfill volumes, and the push toward circular economy models.
According to industry reports, the global landfill leachate treatment market was valued at over USD 3.2 billion in 2023 and is projected to grow at a CAGR of 6.8% through 2030. Evaporation-based systems now account for more than 35% of all leachate treatment installations worldwide, displacing older biological and membrane-only approaches due to their superior performance with high-strength, recalcitrant leachate streams.
In China alone, over 2,000 municipal solid waste landfills generate millions of cubic meters of leachate annually. Stricter enforcement of the GB 16889-2008 standard and subsequent revisions has pushed landfill operators to invest heavily in advanced treatment technologies. Evaporator systems — particularly MVR-based configurations — have become the preferred technical solution for meeting discharge standards and achieving ZLD.
Internationally, the European Union's Landfill Directive and the U.S. EPA's Resource Conservation and Recovery Act (RCRA) impose stringent limits on leachate discharge, creating a large and growing demand for high-performance evaporator systems in both developed and emerging markets.
Why leading landfill operators and environmental engineers choose evaporation technology as the backbone of their leachate management strategy.
Achieve 90–95% volume reduction of raw leachate, dramatically cutting disposal costs and transport requirements for concentrated residuals.
MVR and multi-effect evaporator configurations enable true ZLD compliance, eliminating liquid effluent and meeting the strictest environmental regulations worldwide.
MVR technology recycles secondary steam via mechanical compression, reducing steam consumption by up to 80% compared to single-effect systems, delivering exceptional ROI.
Effective against high ammonia-nitrogen, heavy metals, chlorides, and persistent organic pollutants (POPs) that challenge biological and membrane treatment systems.
Anti-scaling, anti-corrosion materials and automated CIP (Clean-in-Place) systems ensure long operational lifespan with minimal downtime even in harsh leachate conditions.
Integrated PLC/SCADA control systems with real-time data analytics enable remote monitoring, predictive maintenance, and optimized energy management.
The next generation of wastewater evaporator systems is being shaped by digitalization, decarbonization, and the demand for integrated treatment solutions.
Mechanical Vapor Recompression (MVR) continues to gain market share as the gold standard for energy-efficient leachate evaporation. Next-generation systems integrate industrial heat pumps to further reduce primary energy input, with some installations achieving specific energy consumption below 15–20 kWh per cubic meter of leachate processed.
Combining nanofiltration or reverse osmosis pre-treatment with downstream evaporation is becoming standard practice. Membrane pre-concentration reduces the evaporator feed volume, lowering capital and operating costs while improving overall system performance and distillate quality.
Artificial intelligence and machine learning algorithms are being deployed to optimize evaporator operating parameters in real time — adjusting temperature, pressure, and feed rates based on leachate composition variability. This reduces energy waste by 10–20% and extends equipment service intervals significantly.
Modern leachate evaporator systems are increasingly designed to capture and reuse waste heat from landfill gas combustion, industrial processes, or solar thermal collectors. This trend aligns with carbon neutrality goals and significantly reduces the carbon footprint of leachate management operations.
The rise of containerized, modular evaporator units allows rapid deployment at remote or temporary landfill sites. These plug-and-play systems reduce civil construction requirements and enable operators to scale capacity up or down as leachate generation rates change seasonally.
Advanced evaporation systems are being engineered not just for volume reduction but for resource recovery — extracting ammonia as ammonium sulfate fertilizer, recovering heavy metals for recycling, and producing crystallized salts for industrial reuse, transforming leachate from a liability into a resource stream.
Wastewater evaporator systems for leachate treatment serve a diverse range of operational environments, each with unique technical requirements and regulatory frameworks.
The primary application for leachate evaporators. MSW landfills generate highly variable leachate with BOD/COD ratios that shift over the landfill lifecycle. MVR evaporators provide consistent treatment performance regardless of leachate age or composition, making them ideal for both young and mature landfills.
Leachate from hazardous waste sites contains toxic organic solvents, heavy metals, and radioactive constituents. Specialized evaporator systems with acid-resistant alloy construction, sealed vapor handling, and advanced off-gas treatment are deployed to ensure worker safety and regulatory compliance.
C&D landfills generate leachate with high sulfate, heavy metal, and suspended solids content. Falling film evaporators with anti-scaling designs handle these challenging streams effectively, enabling on-site treatment without the need for costly off-site disposal contracts.
Composting facilities and organic waste landfills produce leachate with extremely high ammonia-nitrogen concentrations. Evaporator systems equipped with ammonia stripping pre-treatment and multi-effect evaporation stages achieve the stringent nitrogen discharge limits required by environmental authorities.
Tailings ponds and industrial waste landfills generate acidic or alkaline leachate with high dissolved solids. Waste heat evaporators leveraging excess thermal energy from mining operations provide a cost-effective, low-carbon treatment solution for these remote, high-volume facilities.
Closed or legacy landfills continue generating leachate for decades post-closure. Compact, automated evaporator systems with minimal operator oversight requirements are ideal for long-term leachate management at closed sites, ensuring ongoing environmental protection with minimal operational burden.
Jiangsu Zongheng Concentration & Drying Equipment Co., Ltd.
Jiangsu Zongheng Concentration & Drying Equipment Co., Ltd. (formerly Yixing Yangxi Light Industry Machinery Factory), founded in 1992, 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.
Jiangsu Zongheng is a modern high-tech enterprise specializing in the manufacturing of concentration, drying, starch industry, alcohol DDGS, and Category III medium & low-pressure vessel equipment. It is currently a member enterprise of the China Starch and Alcohol Association. Its products are widely used in industries such as food fermentation, alcohol, chemical, pharmaceutical, environmental protection, and petrochemical.
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), establishing a complete quality assurance system aligned with international standards. 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 industrial evaporation solutions for landfill leachate treatment, organic wastewater disposal, and high-salinity wastewater management.
Waste Heat Evaporator System for Landfill Leachate & Organic Wastewater Recovery
Jiangsu Zongheng Leachate Evaporator — Reduce Steam Consumption & Emissions
Falling Film Evaporator for Landfill Leachate — Heat-Sensitive Wastewater Solutions
Energy-Efficient Leachate Evaporator for Wastewater Treatment & Low Consumption
Multi-Source Waste Heat Evaporator for Leachate & High-Salinity Wastewater Processing
Efficient Waste Heat Evaporator — Complete Solution for Landfill Leachate Disposal
MVR Evaporation Plant for Landfill Leachate ZLD — Energy-Efficient Factory Solutions
Zongheng Waste Heat Evaporator Factory — Leachate & High-Strength Wastewater Solutions