Solvent Extraction Plant
Advanced Extraction Systems for Optimized Performance.
What is Solvent Extraction Plant
Solvent Extraction Plant is the process of extracting oil from seeds and other oil containing material by addition of a solvent. Food Grade n-Hexane which is a by-product of Petroleum is used at various stages depending on the amount of oil the seeds hold. It can be coupled with an oil extraction and be used on the leftover seed to ensure complete extraction of oil from the seed. Depending on the seed, Solvent Extraction method can be used on seeds containing around 20% of oil.
Solvent extraction consists of four main operations:
Extraction of oil from oil bearing seeds/cakes.
De-solventising of de-oiled seeds/cake.
Distillation, to separate the solvent from the Miscella.
Recover the solvent for reuse.
Process
Process of Muez Hest Solvent Extraction
The solvent extraction plant is a crucial industrial procedure designed to extract specific oil components or substances from oil-bearing materials using suitable solvents. The process involves several key steps:
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Step 1
Preparatory
The first step of the extraction is to prepare seed or plant material correctly, which includes cleaning, cracking, dehulling, flaking, or palletizing, depending upon the oil composition. Muez Hest provides the Cooker cum Pre-conditioner for seed to the desired temperature to rupture the oil cells by steam, which make easier separation of oil from material with a solvent.
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Step 2
Solvent
Hexane has been industrially utilized for a long time for solvent extraction. It has proven highly efficient and is the best oil extraction option for all oil-bearing seeds or materials.
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Step 3
Extraction
The solvent extraction thoroughly penetrates the source material or mixture, and the target component dissolves into the solvent phase while the undesired components remain in the original phase. Muez Hest designed the extractor to have maximum contact with the solvent and extract maximum oil from the meal. It requires less energy and less maintenance.
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Step 4
Separation
After extraction, the two phases are allowed to settle and drain hexane. Now containing the extracted substance, the solvent phase is separated from the original phase.
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Step 5
Desolventization
Muez-Hest Desolventizer Toaster (DT) is a vertical cylindrical vessel with a multitude of horizontal trays, which provide efficient heating for the evaporation of hexane and condensed in a condenser and reprocessed.
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Step 6
Miscella Distillation
The solvent phase, which now holds the extracted substance, undergoes further processing to separate the solvent from the extracted material. This recovery step is essential to ensure the efficient reuse of the solvent and to leave behind the concentrated extracted substance. Methods such as distillation or evaporation are commonly employed for solvent recovery.
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Step 7
Product Collection
The final step involves collecting the concentrated extracted substance, which is now in a form suitable for further processing or utilization in various industries. The solvent extraction plant process is highly versatile and is the extraction of edible oils from oilseeds. The success of a solvent extraction plant process hinges on factors like the choice of the suitable solvent, process optimization, and adherence to safety and environmental standards.
Advantages of Muez Hest Solvent Extraction Plant Manufacturing & Setup
- Lower Solvent Losses.
- Low sediment in the final oil.
- Advanced Solvent Recovery Systems
- Energy Efficiency
- Automated Control Systems
- Continuous Process Monitoring
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Frequently Asked Questions
Discover some of the most asked questions regarding Solvent Extraction Plant Manufacturing.
What is a solvent extraction plant?
A solvent extraction plant is a facility designed to extract edible oils from seeds, nuts or other oil-bearing materials using chemical solvents.
What are the main applications of oil solvent extraction?
Food Industry: Producing edible oils like soybean, canola, and sunflower oils.
Biofuels: Extracting oils for biodiesel production.
Animal Feed: Producing oil cakes and meals used in livestock feed.
What are the benefits of solvent extraction over other methods?
Higher Oil Yield: Solvent extraction typically yields more oil compared to mechanical pressing.
Efficiency: Allows for the extraction of oil from a wider range of materials.
Cost-Effective: Often more economical for large-scale production.
What are the environmental and safety considerations?
Solvent Handling: Hexane and other solvents are flammable and toxic, requiring stringent safety measures.
Waste Management: Proper disposal or recycling of solvents and by-products is essential to minimize environmental impact.
Emissions Control: Implementing systems to capture and manage emissions from solvent use.
What are the typical by-products of oil solvent extraction?
Oil Cakes/Meals: Solid residues left after oil extraction, often used as animal feed or fertilizer.
Solvent: Residual solvent that must be recovered and recycled or disposed of properly.
Spent Material: The material remaining after extraction, which may be processed further or used in other applications.