Aligning with Qatar National Vision 2030 for Sustainable Industrial Water Management
Doha, the economic hub of Qatar, is undergoing rapid industrial expansion across sectors like petrochemicals, chemical processing, food production, and manufacturing. However, Qatar’s hyper-arid climate makes water one of the country's most precious resources. The Qatari government, under the framework of the Qatar National Vision 2030, has instituted stringent environmental regulations regarding industrial wastewater discharge.
Industries in Doha are increasingly adopting Zero Liquid Discharge (ZLD) strategies. In this context, the demand for high-performance Single-Effect Evaporators has surged. These systems serve as critical components for concentrating industrial effluents, separating pure water from dissolved solids, and enabling recycling loops within factories.
While multi-effect systems offer high steam economy, Single-Effect Evaporators are highly preferred in Doha for specific local applications. They are ideal for processing low-volume, highly corrosive, or high-viscosity fluids typical in localized chemical synthesis, pharmaceutical manufacturing, and specialized food processing facilities in the Industrial Area of Doha.
Furthermore, when integrated with local waste heat sources—such as exhaust heat from gas-fired turbines or boilers common in Qatar's energy-dense facilities—Single-Effect Evaporators achieve remarkable energy efficiency, bypassing the traditional operating cost limitations of single-stage systems.
Smart thermal engineering designed to minimize carbon footprint and operating costs
Utilizes low-grade thermal energy from existing factory processes in Doha, reducing active steam consumption to near zero for eco-friendly operations.
Constructed with premium alloys (titanium, duplex stainless steel) to withstand high-salinity industrial wastewater and harsh Middle Eastern operating conditions.
Equipped with advanced PLC control interfaces, enabling real-time remote monitoring, predictive maintenance, and optimal flow management.
From petrochemical processing to municipal wastewater reuse
Qatar is a global leader in liquefied natural gas (LNG) and petrochemical production. The heavy industrial processes generate complex wastewater streams containing salts, hydrocarbons, and catalysts. Single-effect evaporators provide a robust method to concentrate these streams, isolating hazardous compounds for safe disposal while reclaiming high-purity distillate for cooling towers.
In line with Qatar's national food security strategies, local food production—ranging from dairy processing to starch and sugar refining—has grown rapidly. Our evaporation plants are highly optimized for concentrating liquid foodstuffs, corn steep liquor, and organic wastewater, ensuring hygienic processing and resource recovery.
For Doha's emerging pharmaceutical and specialty chemical laboratories, single-effect evaporators offer the precise temperature controls required to prevent thermal degradation of sensitive active ingredients. The single-stage setup allows for easy cleaning, sterilization, and rapid batch changeovers, making it highly versatile for small-scale, high-value production lines.
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.
Engineering excellence in large-scale evaporation and drying systems
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.





























Bringing our proven technical expertise from Asia and Europe to Doha's industrial sector
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!
For customers in Qatar and the wider GCC region, we offer tailored design engineering, on-site installation supervision, commissioning, and local maintenance support. Our engineering team ensures that every single-effect evaporator complies with local safety, environmental, and thermal efficiency requirements.
High-performance solutions designed for Doha's diverse industrial applications