How Green Tech Reduces the Cost of Myande's Multiple-Effect Evaporation

China’s annual industrial salt waste production has now exceeded 20 million tons, posing a serious threat to the environment due to its complex composition, wide-ranging sources, and high toxicity. This raises a critical challenge: how can high-salinity wastewater be treated effectively while enabling resource recycling?

Myande Group Co., Ltd. offers a technological solution. Their multiple-effect evaporator series, independently developed in-house, leverages innovative advancements in multiple-effect evaporation technology to deliver a solution that is both economical and environmentally friendly, supporting the goal of zero industrial wastewater discharge.

01 | Smart and Efficient: How Multiple-Effect Evaporation Sets a New Energy Benchmark

Myande’s multiple-effect evaporation system features a “series-effect + secondary steam reuse” design. In this setup, the first effect is heated with fresh steam, while subsequent effects use the secondary steam generated from the previous effect as a heat source, significantly reducing overall steam consumption and making the system far more energy-efficient compared with traditional single-effect systems.

This technological breakthrough not only lowers operational costs but also adapts to different feed and discharge processes, meeting the diverse production needs of various industries. Across projects nationwide—including 30TPH four-effect evaporation for general concentration, 30TPH four-effect evaporation for food products, and 12TPH three-effect crystallization for pesticide wastewater—Myande’s system maintains stable evaporation temperatures, enhancing the retention of active components. Moreover, with a fully automated PLC control system, the system can operate unattended, greatly reducing annual maintenance and labor costs for enterprises.

Innovations in Materials and Manufacturing have further strengthened the competitiveness of Myande’s evaporation equipment. 

🔸For highly corrosive wastewater applications, Myande uses advanced titanium alloys and stainless steel, combined with mirror-polished inner surfaces of the evaporation tubes. This ensures smooth material flow, reduces fouling, lowers cleaning frequency, and significantly extends equipment lifespan.

🔸For new energy battery raw material preparation, such as lithium extraction from salt lakes and battery recycling. Myande’s customized multiple-effect evaporation systems, when paired with OSLO freeze crystallizers, can greatly increase daily processing capacity and lithium recovery rates. At the same time, the uniformity of crystal size reaches an industry-leading standard, ensuring high-quality output.

02 | From Salt Separation to Resource Recovery: Unlocking New Industrial Value

The core value of Myande’s multiple-effect evaporation system lies in transforming wastewater treatment into a resource regeneration engine, offering companies practical solutions for cost reduction, efficiency improvement, and sustainable development.

To tackle the challenge of mixed-salt separation in industries such as chemicals, Myande employs ternary phase diagram analysis to design the process chain with precision. This approach avoids layout errors in equipment and piping during construction, resulting in a more rational system design and lower construction costs while ensuring the efficient separation of industrial salt and wastewater. This achievement not only helps companies meet environmental compliance standards but also opens new avenues for the resource utilization of by-product salts, turning waste into value.

In the new energy sector, Myande’s technological advantages are equally impressive. For the power battery recycling industry, their customized battery recycling liquid treatment system uses multiple-effect evaporation to concentrate high-value metal solutions such as nickel, cobalt, and manganese. When paired with a forced-circulation evaporative crystallizer, this approach significantly improves overall metal recovery while reducing raw material procurement costs.

Additionally, Myande’s MVR (Mechanical Vapor Recompression) evaporation system is applied in the treatment of high-salinity wastewater from lithium battery production, including ternary precursors and lithium iron phosphate. By leveraging steam compressors to recover secondary energy, the system dramatically lowers total energy consumption and operating costs, setting a new benchmark for energy efficiency in the industry.

03 | End-to-End Support: From Design to Reliable After-Sales Service

It is worth noting that Myande provides a full-service, end-to-end solution across the entire industry chain, from design to delivery. All evaporation equipment is designed and manufactured in-house and then installed on-site at the customer’s facility. For extra-large equipment, assembly can be conducted directly on-site, with experienced engineers providing guidance and professional training throughout the process.

After delivery, Myande offers a comprehensive after-sales service system. This includes free technical guidance for equipment upgrades or expansion projects, regular on-site visits for technical support and equipment inspections, and a 48-hour on-site technical service for issues that customers cannot resolve themselves. Additionally, Myande ensures rapid delivery of high-quality spare parts, guaranteeing that production remains uninterrupted.

Facing the “dual carbon” targets and the global wave of green industrialization, Myande is continuously expanding the applications of multiple-effect evaporation technology through innovation. Looking ahead, the company will continue to focus on high-salinity wastewater treatment and resource recovery, delivering more efficient, lower-carbon solutions. By doing so, Myande aims to help global industries transition toward a circular economy, while injecting green momentum into sustainable development through “Made in China” innovation.