Enhancing Stevia Production Efficiency with Sunresin's Continuous Adsorption Technology
Background: The Growing Demand for Natural Sweeteners
As global consumers increasingly pursue healthier, low-calorie diets, natural sweeteners have become a rapidly expanding market segment.
Among them, Steviol Glycosides, derived from Stevia rebaudiana (Bertoni), stand out for their high sweetness intensity (200–300 times that of sucrose), zero calories, and natural plant origin. These advantages have made stevia a preferred sugar substitute in the food, beverage, and nutrition industries worldwide.
China has become the leading global producer of stevia products. However, traditional manufacturing processes—extraction, flocculation, filtration, resin adsorption, concentration, and drying—often suffer from low production efficiency, high energy consumption, and limited resin utilization. These challenges have constrained the industry’s ability to scale sustainably.
Challenge: Improving Efficiency and Reducing Costs
The conventional fixed-bed adsorption systems used for stevia purification require multiple manual steps, periodic downtime, and complex switching operations.
Such batch processes lead to:
- Inefficient resin use, with only partial surface area participating in adsorption;
- Frequent interruptions during switching and regeneration;
- Higher energy and water consumption, increasing operational costs.
The industry needed a continuous, automated, and high-efficiency solution to maintain product consistency while lowering costs.
Sunresin’s Solution: Continuous Multi-Column Adsorption System
Leveraging its deep expertise in adsorption and separation technologies, Sunresin developed a continuous multi-column system integrated with a multi-channel switching valve, enabling automated and uninterrupted stevia extraction and purification.
This continuous adsorption technology combines specialized stevia adsorption resins with an intelligent fluid management system, optimizing every step—from adsorption and displacement to washing, elution, and regeneration.
Key Advantages:
1.High Efficiency and Stability
The continuous operation allows multiple columns to work simultaneously under automated control, maintaining consistent flow and steady-state conditions. Adsorption and elution occur in real time, ensuring higher productivity.
2.Increased Resin Utilization
With improved column flow dynamics, resin utilization increases by over 50%, and adsorption efficiency improves by more than 60% compared with traditional fixed-bed systems.
Lower Operational Costs
The simplified design minimizes downtime, reduces solvent and energy consumption, and cuts production costs by 30–50%.
3.Consistent Product Quality
Stable process conditions minimize fluctuations in purity, resulting in uniform stevia glycoside quality across production batches.
4.Fully Automated and Sustainable
The system’s full automation supports 24/7 continuous operation, ensuring stable output and eliminating manual switching errors. Its optimized process design also reduces waste generation and supports greener manufacturing practices.
Industrial Impact: Driving a Smarter, Greener Stevia Industry
This technology has been successfully tested and implemented in several leading stevia production facilities in China. The results show a remarkable increase in yield and consistency, proving that Sunresin’s adsorption-based continuous production system is both technically feasible and economically viable for large-scale operations.
Beyond stevia, this platform technology can be extended to other natural product extraction and purification processes, demonstrating Sunresin’s capability to innovate across diverse bioprocessing applications.
Customer Collaboration and Project Inquiries
Sunresin has established long-term partnerships with many well-known enterprises both in China and internationally, providing customized process solutions and engineering support for stevia and other natural product extraction projects.
If you’re interested in learning more about our successful case studies or would like to discuss how our technology can support your production, please contact us.
Our dedicated Stevia Process Engineers will be glad to share detailed project cases and technical insights tailored to your needs.
Free Quote
Resources
Adsorbent Resin
Bio-Pharmaceutical & Life Science
Enzyme Carriers
Hydrometallurgy ＆ Mining
Chelating Resin
Chemical Industry
Chromatographic Media
Wastewater Treatment＆Reuse
Food & Beverage Industries
Ion Exchange Resin
Civil & Industry Water Treatment
Equipments And Projects
Plant Extraction
Catalyst Resin
Solid Phase Peptide Synthesis
Product
Application
Contact Us
Sunresin Park,No.135, jinye Road, Xi’an Hi-tech Industrial Development Zone, Shaanxi-710076, China
seplite@sunresin.com
seplite_europe@sunresin.com
+86-29-89182091
Our Product List
Amino Acid Separation and Purification
Mobile Sorption Module for Gold Extraction
PFAS Removal
Bio-Pharmaceutical & Life Science
Modern biopharmaceutical technologies typically use biological microbial fermentation...
Chemical Industry
Purification of chemical compounds has become a vital part of most industrial processes.
Drinking Water Treatment
Drinking water is essential to life. Every day every human being has to drink and use water for food preparation.
Food & Beverage Industries
Food is closely related to everyone, and the finishing of food comes from people's relentless pursuit...
Hydrometallurgy ＆ Mining
Hydrometallurgy is a technique for extractive metallugry involving the three general area...
Direct Lithium Extraction (DLE)
Sunresin is the major DLE lithium sorbent producer in China which mainly used for extraction lithium from salar brine and geothermal brine etc with high efficiency.
Industry Water Treatment
There are many uses of water in industry and, in most cases, the used water also needs treatment to render...
Plant Extraction
Plant Extraction is a process to gather the trace bioactive compounds from the tissue of a plant.
VOCs Treatment
With the widespread use of chemical products in the industry, more and more organic...
Wastewater Treatment
Wastewater treatment is the process of converting wastewater into an effluent that can be discharged
Latest News
26
2026 05
Sunresin Completes Strategic Investment in FENGXINZE to Further Expand Industrial Chromatography Business
Sunresin recently completed a strategic investment in FENGXINZE, further expanding its business footprint in industrial chromatography and strengthening its presence in the life science separation and purification sector.
13
2026 05
Sunresin Showcases Global Environmental Solutions at IFAT Munich 2026
IFAT Munich 2026 marked Sunresin’s largest overseas exhibition of the year. The company unveiled a newly designed custom-built booth featuring a modern, open, and international design concept, comprehensively showcasing its technologies and application solutions in environmental protection and resource recovery.
07
2026 04
Sunresin Selected for Morgan Stanley’s “China Best Business Models 2.0” List, Recognized for Strong Competitive Advantages
Sunresin (300487.SZ), a global leader in adsorption and separation materials, has been selected for Morgan Stanley’s “China Best Business Models 2.0” list.
Leave a Message
Please send any questions you want to know, we will reply to you immediately.
Choose File
Submit