Solvent Extraction Technology

We can provide turnkey plant for you:
Multiple oilseeds oil extraction plant with capacity ranging from 100 t/d to 10,000 t/d

The following explained extraction system, is used for all pre-pressed seeds cakes, also suitable for soybean flakes and high oil seeds as rapeseed, sunflower, cotton and others, but all sections can be easily introduced for various other seeds with minor changes.

The continuous solvent extraction is the most modern way of recovering oil from oil seeds, beans and other oil, grease containing products. In comparison with the rest of oil extraction processes, the continuous solvent extraction provides such advantages (economy in labor, higher oil yield, reduced maintenance) that it becomes a “must” for economically survival in the vegetable oil industry.
It is useful to insist on the importance of a correct preparation of the seed. A good preparation will give rise to satisfactory results in the extraction process and the obtained oil will be easier to refine.
The solvent used in the majority of oilseed solvent extraction plants around the world is as said before, commercial hexane, a mixture of hydrocarbons generally boiling in the temperature range of 65–69°C.

  • 2,000tpd Soybean and Rapeseed Extraction Project
  • Extraction Plant
  • Solvent Extractor
  • Extraction Plant under Installation

The solvent extraction process consists of five closely interrelated unit processes:
Oil extraction
Where the oil is extracted from flakes and/or collets in the extractor.
Meal desolventizing
Where solvent is evaporated from meal in the desolventizer / toaster (DT).
Meal drying and cooling
Where moisture is reduced from meal and meal is cooled in the dryer / cooler (DC).
Miscella distillation
Where the solvent is evaporated from oil and condensed in the distillation section.
Solvent recovery
Where the last solvent is recovered, for reuse, in the mineral oil system (MOS).

1. Solvent Extraction
Soybean flakes are conveyed to extractor, then extracted by miscella with different concentration gradient and fresh solvent. The miscella will be pumped to evaporation system and spent meal will be desolventized.
2. Evaporation System
Miscella will be pumped to evaporation system after removing impurities twice. The evaporation system consists of 1st stage evaporator, 2nd stage evaporator and stripping tower. The solvent evaporated from miscella will be recycled.
3. Solvent Recycling
The n-hexane evaporated from each section is recycled to solvent tank through the condenser. The uncondensed gas enters the exhaust condenser and most of the uncondensed n-hexane is condensed. A small amount of n-hexane vapor and non-condensable gas enter the absorption tower in which n-hexane is absorbed by mineral oil. Other non-condensable gas is exhausted through the exhaust fan.
4. D.T.D.C
Soybean meal after solvent extraction containing a certain amount of solvent will be conveyed to D.T.D.C for desolventizing, toasting, drying and cooling.
  • Solvent Extraction Process
  • 3D Design of Edible Oil Extraction

Oils Fats Project Cases By Myande
What can we do for you?
We focus on supplying one-stop 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 delivery.
Talk About Your Needs
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 100,000㎡ 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.

Quality at Myande

At Myande, we are committed to providing high-performance equipment. We achieve this by applying strict quality management with the active engagement of all engineers and workers.
  • ?
    Why Myande
    Design and implementation experience of more than 100 mega projects.
    Customized/ competitive/ affordable solution to enable you to succeed.
    100,000㎡ in-house design and manufacture base/ 600+ workers/ 400+ R&D and technical engineers.
    All the R&D engineer team members with more than 12 years of experience in the field.
    Technical experts with senior management experience in European and US engineering companies.
    More than 60% market share in China in the past 5 years.
Product Catalog