Turnkey Plant for Vitamin C Production
The global Vitamin C market is expected to surpass USD 1.8 billion by 2030, driven by increasing demand for immune health, functional beverages, and nutritional supplements (Source: Market Research Future).
Ascorbic acid (Vitamin C) production is a complex biotechnological and chemical process, requiring precision at every stage — from glucose fermentation to multi-step purification, crystallization, and drying.
To succeed in this competitive space, manufacturers must adopt highly automated, energy-efficient, and GMP-compliant systems that ensure product quality, consistency, and regulatory approval.
With over 23 years of experience and hundreds of completed turnkey projects, Myande Group provides complete engineering solutions for Vitamin C production — tailored to your raw materials, output needs, and environmental goals.
End-to-End Process Solutions for Ascorbic Acid Manufacturing
Our turnkey solution covers the full Vitamin C production process, including:
1. Fermentation
Glucose is biologically converted to sorbitol and further oxidized to 2-KLG (2-keto-L-gulonic acid) using advanced strain fermentation under controlled conditions.
2. Purification & Extraction
Our customized filtration, centrifugation, and chromatography systems purify the 2-KLG stream to pharmaceutical-grade purity.
3. Chemical Synthesis (Ring Closure)
2-KLG undergoes controlled ring-closing reactions to form ascorbic acid in reaction tanks with real-time pH and temperature monitoring.
4. Crystallization & Drying
High-yield crystallization systems and vacuum drying ensure stable output with minimal degradation.
5. Final Processing & Packaging (Optional)
For powder or granule formats, we integrate milling, sieving, blending, and automated packaging.
Why Leading Producers Trust Myande for Vitamin C Projects
✅ Integrated Engineering & Process Know-How
We provide not just equipment, but complete plant design, including fermentation conditions, material balance, and energy optimization.
✅ Advanced Automation
SCADA/PLC-based control system with remote diagnostics, batch tracking, and recipe management ensures consistent output and compliance.
✅ Energy Recovery Systems
Our evaporators, heat exchangers, and condensers are built to minimize energy usage and reduce emissions.
✅ In-House Equipment Manufacturing
Reactors, fermenters, filters, centrifuges, crystallizers – all built in-house with ISO and CE certification for quality and durability.
✅ Fast Delivery, Global Support
Modular skids, pre-assembly, and a global service network ensure on-time delivery, startup, and after-sales support worldwide.
✅ Regulatory Readiness
Our systems meet GMP, FDA, ISO, and EU food/pharma directives, helping you access global markets with confidence.
They trust and choose Myande
More than 1,600 complete plants have been supplied under Myande’s name in over 80 countries since 2003.
Behind every successful project is a great team. Our team is comprised of skilled individuals that share one common goal – Help our clients succeed.
What can we do for you?
We focus on supplying one-stop engineering service covering general layout plan, process design, R&D, equipment manufacturing, automatic control system, data integration, installation, supervision, commissioning, training and etc.
Our custom solutions come from a deep understanding of your needs, and we have the capability to complete each project from the design of the initial concept to manufacturing, installation, commissioning and delivery.
Solution Tailored to Your Needs
General Layout Plan
With a land prepared, the next thing you should consider is planning the general layout, which is a crucial foundation of a sustainable and cost-effective manufacturing.
Turn to us for help and we will present you the design for your plant by considering water, steam, electricity supply and etc.
Process Design
Combining our engineering expertise, industry know-how and practical skills with your knowledge, we provide the optimized and customized process design for your plant.
3D Plant Design
On the basis of plant layout design, combined with real situation, we can design a three-dimensional model of the entire plant. All the equipment, piping and instruments, any detail can be shown in the model, not only allowing you to have an intuitive understanding of the plant, but also providing overall information support for plant construction, equipment installation and future expansion.
Automatic Control System
We offer economical and most effective process automation solutions for the entire production line. Our RES automatic control system is developed based on PLC/DCS system.
Data Integration
From the perspective of the overall operation of the factory, Myande intelligent data integration management system collects basic data from raw grain procurement, warehousing, processing, inventory, sales and logistics, relying on the interconnection network system of each workshop. It provides real-time, accurate and traceable data reports for the current storage, processing and shipping.
Equipment Manufacturing
We owns in-house manufacture base of more than 130,000㎡ integrating R&D, production, project management which represents advanced engineering capability in the industry.
Installation and Commissioning
After finishing the installation of all machines, we offer on-site commissioning service to ensure compatible functioning.
Every move of the machine needs strong technical support from our experienced engineers. The only principle is that you can start manufacturing right after the commissioning.
Training and After-sales Service
Myande 360° Service Portfolio covers all your needs throughout the life cycle of your project. By minimizing your total cost of ownership, we help you stay ahead of the competition.
About Myande
Myande Group is a globally leading supplier of complete plants, equipment, and services for Oils & Fats, Starch & Derivatives, Fermentation, Evaporation & Crystallization, Material Storage and Handling and Smart Factory industries.
Myande Group currently has 1,600+ employees including 800 technical staff and 800 manufacturing workers. More than 1,600 complete plants have been supplied under Myande’s name in over 80 countries since 2003.
World-leading manufacturing base
In-house manufacture base of more than 130,000㎡ that integrates R&D, production, and project management, representing world-class engineering capability in the industry.
No Compromise on Quality
We are highly committed to Quality Assurance.
Our facilities and processes adhere to the highest local and international industry standards and certifications and are audited regularly for compliance.
With a global quality management system, we ensure that our customers all over the world receive high-quality, reliable products and solutions. We are well aware that our equipment have to function safely and efficiently for decades.
To effectively carry on the spirit of artisanship, improve the overall quality of front-line employees, we hold the “Workmanship Skills Competition" every year.
Certificates & Patents
At Myande, innovation is the result of the total process of developing an idea into a product or a new way of working which adds value to the business.
Over 600 registered patents and utility models demonstrate the company's innovation potential.
Our Global Presence
We focus on supplying one-stop engineering service covering general layout plan, process design, R&D, equipment manufacturing, automatic control system, data integration, installation, supervision, commissioning, training and etc.
Our custom solutions come from a deep understanding of your needs, and we have the capability to complete each project from the design of the initial concept to manufacturing, installation, commissioning and delivery.
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Lifecycle Service
Technical expertise and innovative products form the basis of your success. But we offer you even more: our extensive range of services gives you optimum support for your requirements and objectives in the long term.
Myande News & Insights
2,000TPD Rapeseed Crushing Plant Launched
Recently, a 2,000 t/d rapeseed crushing plant built by Myande Group for Daodaoquan Grain and Oil Co., Ltd. started operation successfully and started to yield qualified rapeseed oil and meal. Daodaoquan Grain and Oil Co., Ltd. is a comprehensive oil processing enterprise integrating production, scientific research, trade, warehousing and logistics of edible vegetable oil and its related by-products. This new rapeseed crushing plant incorporates a wide range of Myande core equipment possessing independent intellectual property rights, including the E-type extractor, hydraulic flaker, DTDC, conditioner, and other key equipment. To achieve flexible material incoming and discharging, Myande CCJL series sweep auger and CQJL series reclaimer are used. In addition, advanced energy-saving technology, negative pressure draining technology and intelligent safety technology are used to ensure the stable operation of the entire production line and excellent product index. With the concept of "creating the best performance for our customers", Myande cooperates with DaoDaoQuan to build a modern, energy-efficient, and environmentally friendly factory.
600,000 T/A Wheat Starch Deep Processing Project Successfully Launched
Recently, the 1st phase of Henan Hanyong's 600,000 tons (annual output) wheat starch deep processing project, designed by and installed under the guidance of Myande, has been smoothly commissioned, and contract for the 2nd phase was signed with Myande, marking the further extension of the domestic wheat deep processing industry chain. Henan Hanyong Biotechnology Co., Ltd. is one of the leading enterprises in agricultural industrialization of Henan province. It mainly produces edible alcohol with strong competitiveness and a high reputation in the market. Starch deep processing is one of Myande’s important business segments. After years of technology and experience accumulation in the field of starch deep processing, Myande has formed a complete set of production design system with a high degree of automation, stable operation and high product quality. In recent years, Myande has successfully established long-term strategic cooperative relations with multiple famous domestic and international enterprises. Combining with Hanyong's own industrial advantages, after in-depth research, efficient communication and repeated demonstrations, Myande has designed a set of production plan (as shown in the following figure) specially for the customer, and it can not only produce gluten and wheat starch, but also make better use of the mixed nutrient solution of process water and pentosan to produce alcohol, which will bring considerable economic benefits. The 1st phase project is a 500tpd wheat flour processing project, including a 3tpd gluten drying system and a 12tpd starch drying system. From beginning to end, the whole project lasted for 10 months. During the whole implementation process, from the plant layout planning, process design, intelligent automation design in the early stage, project service in the mid-term, to the installation, commissioning and training in the post stage, Myande’s rigorous, attentive and efficient one-stop service has won the unanimous praise of Hanyong. Through the joint efforts of Myande and Hanyong employees, a brand-new starch deep processing production line was successfully commissioned and started running smoothly, and all indicators were superior to the technical level of the same industry. In view of the pleasant cooperation in the 1st phase, Hanyong decided to cooperate with Myande again to expand its wheat starch deep processing output, and signed the 2nd phase project with Myande resolutely, namely 5t/d gluten drying system and 20t/h starch drying system. After which, Hanyong will become a high-quality gluten high-value conversion base with "the largest scale, the best environment protection and the highest level of research and development" in the industry in Asia.
Myande Awards 2022 “Spring Sunshine” Scholarship
In order to motivate employees' children to study hard and to enhance employees’ sense of belonging and happiness, on August 19, Myande held 2022 Myande Spring Sunshine Education Scholarship ceremony. Mr. Wangmu, vice chairman and Mr. Mao Weijiang, director in charge of manufacturing, participated in this ceremony and on behalf of the company presented scholarship stipends to children of Myande employees who are enrolled by four-year universities this year. In his speech, Mr. Wang highlighted that Spring Sunshine Scholarship is one of several company welfare benefits. It represents the company’s vision of moving forward with its employees and creating a better future together, and it reflects the company's care for the education of its employees' children and its high sense of social responsibility.
FAQ
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What should I evaluate before investing in a vitamin C production plant?
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Investors should evaluate the selected production route, raw material availability, target product grade, overall conversion yield, fermentation productivity, downstream recovery, utility consumption, and environmental requirements.
Vitamin C manufacturing involves multiple biological and chemical conversion stages, making process integration particularly important.
The most meaningful economic indicator is not nominal plant capacity but the cost per ton of qualified, saleable ascorbic acid, including raw materials, fermentation, purification, crystallization, utilities, and waste treatment.
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Why is the second fermentation stage critical to vitamin C production economics?
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In the widely used two-step fermentation route, L-sorbose is converted into 2-keto-L-gulonic acid (2-KLG), a key intermediate for vitamin C production.
This stage depends on microbial performance, culture stability, oxygen transfer, nutrient management, and operating conditions.
Poor conversion or extended fermentation cycles can increase raw material consumption, fermenter requirements, energy demand, and downstream processing costs.
Optimizing 2-KLG yield, titer, productivity, and batch consistency is therefore essential to improving the economics of the complete vitamin C plant.
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How can a vitamin C plant improve overall product yield across multiple conversion stages?
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High yield in one reaction stage does not guarantee high final vitamin C recovery.
Material losses may occur during sorbitol conversion, 2-KLG fermentation, intermediate separation, chemical conversion, purification, crystallization, and mother-liquor handling.
An integrated process should therefore evaluate conversion efficiency and recovery at every stage.
The most useful KPI is qualified ascorbic acid output relative to the original feedstock, supported by a complete material balance that identifies where valuable intermediates and finished product are lost.
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Why is crystallization critical to vitamin C product quality and recovery?
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Crystallization directly affects ascorbic acid purity, crystal size distribution, solid-liquid separation, drying performance, and final product recovery.
Improper control of supersaturation, temperature, seeding, and residence time may produce excessive fine crystals or leave valuable product in the mother liquor.
Myande integrates evaporation and crystallization engineering to help optimize crystal growth, product recovery, and downstream handling performance.
The objective is to achieve consistent, qualified vitamin C crystals with minimal avoidable product losses.
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How can vitamin C degradation and color changes be minimized during processing?
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Ascorbic acid is sensitive to oxidation and can degrade under unfavorable processing conditions.
Excessive temperature exposure, prolonged residence time, oxygen contact, and certain metal contaminants may affect product stability and color.
Process design should therefore consider appropriate temperature control, residence-time management, material selection, and handling conditions throughout purification, concentration, crystallization, and drying.
These measures help maintain consistent product quality while reducing degradation-related losses.
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How can evaporation and heat integration reduce vitamin C production costs?
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Vitamin C production may involve concentration and thermal processing at several stages, creating opportunities for energy optimization.
Depending on solution characteristics and process conditions, multiple-effect evaporation, MVR, heat recovery, and condensate reuse may help reduce fresh steam consumption.
Because ascorbic acid can be sensitive to thermal degradation, evaporator selection must also consider operating temperature, residence time, and product stability.
Myande integrates evaporation and utility engineering to help balance energy efficiency, product quality, and lifecycle operating costs.
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How can integrated process engineering reduce the cost per ton of vitamin C?
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Vitamin C manufacturing is an interconnected system covering upstream feedstock preparation, biological conversion, intermediate recovery, chemical conversion, purification, crystallization, drying, utilities, and automation.
Improving one stage without considering the others may simply transfer cost downstream.
Myande's integrated engineering approach emphasizes material balance, product recovery, thermal efficiency, process stability, and utility optimization across the complete production chain.
The goal is to maximize qualified vitamin C output while minimizing raw material losses, energy consumption, water use, and long-term operating costs.
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What should I compare when selecting a vitamin C turnkey plant supplier?
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Do not compare suppliers only by nominal capacity or initial equipment CAPEX.
Request comparable technical and economic indicators covering:
- Selected production route and technology ownership
- Raw material consumption per ton of vitamin C
- Sorbose and 2-KLG conversion performance
- Fermentation yield, titer, and productivity
- Overall qualified-product recovery
- Achievable product purity and impurity specifications
- Crystallization yield and mother-liquor management
- Steam, electricity, water, and chemical consumption
- Wastewater treatment requirements
- Automation, quality-control, and regulatory-readiness provisions
- Pilot validation and industrial project references
The key question is: How reliably can the complete plant produce qualified vitamin C at a competitive lifecycle cost?
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