Evaporator is a fundamental unit operation in both chemical synthesis and food formulation processes, playing a pivotal role in solvent recovery, product concentration, and purification of thermally sensitive compounds. The efficiency and precision of this step can directly influence product quality, yield, and process scalability. As such, selecting the appropriate evaporator is not merely a matter of equipment preference — it is a strategic decision that must align with material characteristics, operational parameters, and process objectives.
A clear understanding of evaporator types is crucial for selecting the right system. Rotary evaporators are ideal for laboratory-scale operations, particularly when working with thermally sensitive materials, as they enable gentle solvent removal under vacuum. For industrial-scale applications involving low-viscosity liquids, falling film evaporators offer high heat transfer efficiency suited to continuous processing. Rising film evaporators are preferable for volatile compounds, operating effectively at low temperatures to protect heat-sensitive substances. In cases involving viscous fluids or suspensions, forced circulation evaporators ensure uniform heating and reduce fouling through mechanical liquid movement. Multiple effect evaporators, commonly used in food and chemical processing, enhance energy efficiency by reusing vapor heat across successive stages, lowering steam demand and operational costs.
Each of these evaporator types is tailored to specific operational requirements, and the choice among them must be driven by a detailed understanding of the material properties, processing objectives, and production scale. When selecting an evaporator, consider the following factors to ensure optimal performance and compatibility:
Nature of the material: Is it heat-sensitive, volatile, or viscous?
Evaporation rate and volume: What is your daily or batch processing requirement?
Operating temperature and pressure: Can the material tolerate high temperatures, or does it require vacuum evaporation?
Energy efficiency: How much energy will the evaporator consume over time?
Ease of cleaning and maintenance: Is the equipment user-friendly and durable?
Footprint and scalability: Do you need a compact unit or one that allows future expansion?
For many laboratory and small-scale industrial applications, rotary evaporators strike a perfect balance between efficiency, precision, and ease of use. Rotary evaporators, commonly referred to as “rotovaps,” are extensively utilized in laboratory and research environments due to their ability to evaporate solvents with both efficiency and precision. Their fundamental design incorporates a rotating flask that continuously turns the liquid sample, thereby significantly increasing the surface area exposed to heat and vacuum. This rotational motion, combined with reduced pressure, effectively lowers the boiling point of the solvent, allowing for gentle evaporation without thermal degradation of sensitive compounds.
This technology is particularly advantageous when working with thermally sensitive materials, as it enables solvent removal at low temperatures, preserving the chemical integrity of the sample. In addition to solvent recovery, rotary evaporators are widely employed for concentrating reaction mixtures and isolating specific components through natural product extraction, such as essential oils and flavor compounds.
Furthermore, rotary evaporators are known for their operational simplicity and low maintenance requirements. Their versatility makes them applicable across a broad range of industries, including pharmaceuticals, fine chemicals, food processing, and cosmetics. These features make the rotary evaporator an indispensable tool in both routine laboratory workflows and complex R&D operations.
We offer a reliable and high-performance solution: the Rotary Evaporator RE-SB1100, designed for efficient and safe evaporation in chemical and food-related applications.
The key features are as follows:
Rotating Speed: Adjustable from 20 to 180 rpm, allowing you to tailor the rotation to different solvents and sample viscosities.
Evaporation Capacity: Up to 25 mL/min, ideal for small-scale batch processing and high-throughput laboratories.
Temperature Range: Room temperature +5°C to 90°C, suitable for most organic solvents.
Lift Stroke: Dual-lift system including 100mm weight balance lift and 150mm auxiliary extension for precise control and ease of use.
Bath Pot: Durable stainless steel (SUS304) with Teflon coating, corrosion-resistant, and easy to clean.
Bath Size: 230mm diameter, 100mm deep, with a capacity of over 3.0L – suitable for various glassware sizes.
The RE-SB1100 is compact, efficient, and engineered to meet the needs of modern laboratories and pilot-scale production. It is engineered to accommodate a broad spectrum of applications across both the chemical and food industries. In chemical processing, it is commonly employed for concentrating reagents, removing residual solvents following synthesis, and purifying target compounds in preparation for analytical procedures. In the food sector, the RE-SB1100 facilitates the extraction of essential oils and flavor compounds, the concentration of juices, pigments, and nutritional ingredients, as well as the formulation and testing of new product prototypes. The RE-SB1100 is a highly versatile device, offering a durable design and a range of functionalities that make it suitable for both routine laboratory tasks and specialised product development workflows.
Choosing the right evaporator is crucial to optimizing your processing efficiency and achieving consistent, high-quality results. For many chemical and food applications, especially those involving heat-sensitive materials or small batch production, a rotary evaporator is often the most practical and cost-effective choice. Our Rotary Evaporator RE-SB1100 offers precision, reliability, and user-friendly operation — making it a top contender for laboratories and pilot plants alike.