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Help CenterMulti-effect Evaporation and Concentration of Mannitol, Vacuum System, 0.1MPa, 4-6 Effects
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As a leading manufacturer from Qingdao Conqinphi Environmental Technology Group Co., Ltd. (established in 2015, with a factory area of 10,000-30,000 square meters and annual export value of US$10-50 million), we present our Multi-effect Evaporation and Concentration System for Mannitol under vacuum at 0.1 MPa, designed with 4-6 effects. This advanced equipment is engineered to efficiently concentrate mannitol solutions while minimizing energy consumption and product degradation. Our system is trusted by clients across North America, Europe, Southeast Asia, and more, reflecting our commitment to quality and innovation.
The multi-effect evaporation principle recovers vapor from one effect to heat the next, significantly reducing steam usage. Combined with vacuum operation (0.1 MPa), it allows low-temperature evaporation, preserving the thermal-sensitive properties of mannitol. Whether you need 4, 5, or 6 effects, our system is customizable to meet your specific production capacity and concentration requirements.
Key Features & Technical Specifications
- High Energy Efficiency: Multi-effect design reduces steam consumption by up to 80% compared to single-effect evaporators. Each additional effect can save approximately 20% energy.
- Low-Temperature Operation: Vacuum level of 0.1 MPa lowers boiling point, protecting mannitol from degradation and maintaining product quality.
- Modular & Customizable: Available in 4, 5, or 6 effects, with adjustable evaporation capacity from 500 kg/h to 10,000 kg/h (or as requested).
- Corrosion-Resistant Construction: Standard material is 304/316L stainless steel, suitable for food/pharmaceutical grade mannitol.
- Automated Control: Optional PLC system with touch screen for real-time monitoring of temperature, pressure, and concentration.
- Easy Maintenance: Designed with CIP (Clean-in-Place) capability and accessible inspection ports.
| Parameter | Value |
|---|---|
| Number of Effects | 4-6 (configurable) |
| Operating Vacuum (absolute) | 0.1 MPa (≈ 1 atm absolute) |
| Evaporation Temperature | 45-75°C (depending on effect) |
| Steam Consumption (approx.) | 0.25-0.35 kg steam per kg water evaporated |
| Material of Construction | 304/316L Stainless Steel |
| Control System | Manual / PLC (optional) |
Our multi-effect vacuum evaporation system is specifically optimized for mannitol, which is widely used in pharmaceuticals, food, and chemical industries. The gentle concentration process ensures high purity while achieving the desired concentration (e.g., from 10% to 60% solids). We also offer additional features such as heat recovery, condensate polishing, and integrated cleaning systems.
With over 200 employees and a factory spanning 10,000-30,000 square meters, Qingdao Conqinphi Environmental Technology Group has a proven track record of delivering reliable evaporation solutions. Our products are certified under ISO9001, ISO14000, OHSAS18001, HACCP, and many other international standards, ensuring compliance with global quality requirements. We have exported to more than 30 countries worldwide, including demanding markets like North America, Europe, and Oceania.
Frequently Asked Questions (FAQ)
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Q: What is the advantage of multi-effect evaporation for mannitol?
A: Multi-effect evaporation significantly reduces energy consumption by reusing vapor from one effect as heating medium for the next. For mannitol, which is heat-sensitive, the vacuum operation keeps temperatures low, preventing decomposition and maintaining product quality. -
Q: Can I choose between 4, 5, or 6 effects?
A: Yes. The number of effects is customizable based on your required capacity and energy efficiency goals. More effects result in lower steam consumption but higher initial investment. Our engineers can recommend the optimal configuration. -
Q: What is the typical feed concentration of mannitol?
A: Feed concentration can vary, but our system is designed to handle typical mannitol solutions from 10% to 30% and concentrate them up to 60% or higher, depending on the product specification. -
Q: Does the system require special installation conditions?
A: The system is compact and skid-mounted, requiring only a suitable foundation and utility connections (steam, cooling water, electricity). Our team provides detailed installation guidance and on-site support if needed. -
Q: How do you ensure the purity of concentrated mannitol?
A: The vacuum low-temperature operation minimizes thermal degradation. Additionally, the stainless steel construction and optional CIP system prevent contamination. We can also integrate a condenser to recover volatile compounds. -
Q: What is the lead time for delivery?
A: Typical lead time is 30-60 days, depending on the configuration and order volume. We ship from Qingdao Port, China, with door-to-door logistics available. -
Q: Do you provide after-sales service and spare parts?
A: Yes. We offer comprehensive after-sales support, including remote troubleshooting, annual maintenance contracts, and a stock of spare parts. Our service team is available 24/7 for urgent inquiries. -
Q: Can the system be used for other products besides mannitol?
A: Absolutely. While optimized for mannitol, the multi-effect evaporator is suitable for other heat-sensitive solutions such as fruit juices, herbal extracts, and pharmaceutical intermediates, with simple adjustments.
Backed by our strong manufacturing capabilities (10,000-30,000 sqm factory, 201-300 employees) and annual export value of US$10-50 million, we are your reliable partner for evaporation and concentration solutions. Our certifications including ISO9001, ISO14000, OHSAS18001, and HACCP guarantee product quality and safety. Contact us today for a customized quotation and technical proposal!
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