Explore our leading integrated systems engineered for maximum heat exchange efficiency, water conservation, and industrial scale concentration.
In the modern era of rapid industrialization, demographic shifts, and accelerating environmental degradation, the management of municipal and industrial wastewater has emerged as a cornerstone of sustainable development. The global market for Packaged Sewage Treatment Plants (STP) is undergoing a major paradigm shift. Historically, wastewater treatment relied on massive, centralized civil engineering projects requiring extensive capital, years of planning, and heavy municipal infrastructure. Today, industrial factories, commercial hubs, remote resorts, and municipal planners are increasingly turning to Packaged STP Plants.
A packaged STP plant represents an integrated, self-contained, pre-engineered wastewater treatment system that consolidates biological treatment, sedimentation, filtration, and advanced disinfection into a single modular footprint. As global manufacturers and exporters, we observe a growing demand for systems that operate on decentralized principles. By optimizing modular assembly and scaling thermal efficiency, businesses can dramatically lower their Total Cost of Ownership (TCO) while achieving compliance with stringent global environmental standards like the EU Water Framework Directive, US EPA Guidelines, and China's Class 1A discharge metrics.
Information Gain Value: Packaged STPs do not simply treat water; they are turning into circular economy hubs. Modern designs integrate heat recovery modules, converting the thermal energy stored in effluent back into space heating or industrial process heating, achieving a dual-vector benefit of water purification and thermal conservation.
Biological process control is highly sensitive to ambient and fluid temperature. In winter conditions, aerobic bacteria and anaerobic biomass exhibit reduced enzymatic activity, which severely degrades Chemical Oxygen Demand (COD) and nitrogen removal rates. By integrating premium heat exchange units (such as high-performance detachable plate heat exchangers), modern packaged STPs can maintain the biological reactors at their optimal thermodynamic range (typically 20°C to 35°C).
Furthermore, for industrial wastewater streams characterized by heavy chemical loading, high dissolved solids, and corrosive agents, traditional biological treatment falls short. In these instances, our advanced Membrane Concentration Systems and Multi-Effect Evaporation Systems (MEE) are deployed. The Membrane Concentration System acts as a pre-concentrator, separating high-purity water from concentrated brines. The remaining brine is routed to the Multi-Effect Evaporator, which utilizes successive stages of boiling under negative pressure. By recovering latent heat from the vapor generated in previous effects, MEE systems achieve unparalleled energy savings, realizing true Zero Liquid Discharge (ZLD) at a fraction of the operating cost.
Designed for environments ranging from remote sub-zero mining stations requiring active heat integration to high-salinity coastal industrial parks.
Shipped as pre-assembled containerized units. Drastically cuts onsite construction time, piping cost, and engineering overhead.
Combines membrane concentration with Multi-Effect Evaporators to extract pure distillate, leaving dry solids for safe disposal.
Underpinned by three decades of core thermal and environmental expertise, Flotte Energy Saving Company sets the benchmark for technological leadership and quality assurance.
Flotte Energy Saving Company, established in 2013 with a registered capital of 101 million yuan, originated from Flotte Thermal Engineering founded in 1995. With three decades of technical expertise, the company specializes in water equipment, HVAC systems, and water treatment industries. It consistently leads industry peers in adopting cutting-edge technologies, developing innovative products, and delivering comprehensive production and sales services.
The company has been continuously advancing in production technology innovation, holding multiple patent certifications including "High-Efficiency Plate Heat Exchanger", "Intelligent Plate Heat Exchanger System", and "Plate Heat Exchanger Scale Removal Device" (see qualification documentation). Our products have obtained mandatory national product certification and safety registration from the National Standardization Committee, along with the safety registration for plate heat exchangers issued by the National Boiler and Pressure Vessel Standardization Technical Committee. The company has also achieved ISO9001 Quality Management System certification, ISO14001 Environmental Management System certification, and ISO45001 Occupational Health and Safety Management System certification.
Operating modern production workshops equipped with advanced manufacturing and quality inspection facilities, all frontline production staff are certified technicians who have undergone rigorous formal training. Production processes, quality control, and service operations strictly adhere to the ISO 9001:2015 international quality management system, while also complying with the pressure vessel quality assurance framework. Our products undergo mandatory inspections by national quality supervision authorities, ensuring full compliance with performance standards.
Adhering to the concept of "quality first" and "winning by quality", we have established a sound quality assurance system, improved the quality supervision and management of all staff, whole process and all aspects, and made great efforts in product technology, quality and service. We conscientiously carry out on-site management and rectification work, and establish a safe and civilized production environment.
Every stage of production is executed to strict regulatory standards, ensuring our heat exchangers and pressure vessels can reliably withstand harsh wastewater environments.
















Crucial technical answers regarding the integration of heat exchangers, membrane networks, and energy efficiency parameters in industrial STP units.
Biological treatments rely on active bacterial populations (activated sludge, MBR, MBBR). Microbial kinetics show a direct correlation with temperature: for every 10°C drop below optimal operational temperatures, biological metabolic rates can decrease by up to 50%. Incorporating secondary network intelligent units, heat exchangers, and room temperature collectors prevents reactor cooling during freezing periods, keeping BOD/COD degradation within compliance standards.
In industrial facilities generating highly saline or chemically complex wastewater, traditional filters fail. MEE plants boil the wastewater under sequential vacuum chambers (effects). The water vapor evaporated in the first chamber is used to heat the second, and so on. This cascade dramatically reduces the consumption of fresh steam. The output is clean, condensed water (reusable in processes) and a highly concentrated slurry or solid salt crystal matrix.
Wastewater often contains abrasive and corrosive media (chlorides, acids, organic solvents). Flotte uses high-grade corrosion-resistant materials for our plates, including AISI 316L Stainless Steel, Titanium, and Hastelloy. Additionally, our patented corrugated plate designs produce high turbulence even at low flow velocities. This turbulence minimizes scale deposition and bacterial biofilm accumulation on the plates, lengthening maintenance intervals.
Our systems feature complete integration with SCADA and industrial IoT protocols. Using high-precision room temperature collectors, pressure regulating valves, and secondary network intelligent units, our controls automatically adjust system flow rates and valve openings. By analyzing real-time data inputs, the system ensures optimal thermal profiles and hydraulic balance, saving up to 30% in energy compared to manual systems.
Engineered for seamless integration, modular deployment, and optimal resource cycling in commercial, district, and manufacturing hubs.
Wastewater reclamation and high-efficiency thermal balancing are key factors across major energy-intensive sectors:
Centralized Heating Networks: In centralized heating systems, plate heat exchangers are the core heat exchange equipment, used for heat transfer between municipal heat sources and user ends, precisely regulating the supply water temperature to meet the heating demands of different regions, enhancing heat utilization, reducing pipeline losses, facilitating the efficient and stable operation of urban centralized heating systems, and ensuring the comfort of residents during winter heating.
Chemical Processing & Heavy Industrial Plants: In chemical industries, the control of complex reactions requires precise heat sink management. High-performance plate heat exchangers protect reactors from overheating, while Multi-Effect Evaporators recycle chemical-rich effluent streams, reducing raw material waste and preventing environmental discharge.
Pharmaceutical and Food Processing: These industries require sterile water systems and gentle concentration methods. Our membrane concentration and multi-effect vacuum evaporation plants treat process fluids under low-temperature conditions, preserving delicate biological elements while separating high-purity water.
Flotte manufactures and supports a diverse range of modular thermal, HVAC, and water treatment designs. The following collection represents our core product categories:
The next decade of wastewater management is defined by the integration of three distinct technology vectors:
At Flotte, our R&D roadmap is focused on developing smart heating, ventilation, and water treatment systems that operate as a unified energy cycle. We will continue to support global buyers with reliable, premium products and comprehensive technical services, ensuring past, present, and future users receive complete lifecycle and after-sales support.