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Everything you need to know about groundnut oil extraction — from how machines work to why Mectech is India's most trusted name in oil industry equipment.
Published by Mectech | June 2025 | Reading Time: Approximately 6 Minutes
A groundnut oil extraction machine is a piece of equipment used to press and extract pure oil from groundnut seeds (also called peanuts). It is the backbone of any groundnut oil business — big or small. These machines take raw groundnuts, apply high pressure, and separate the oil from the solid cake.
In simple words, if you want to start a groundnut oil production business or scale up an existing one, you need a good quality oil extraction machine. The right machine saves you money, produces more oil, and runs without breaking down too often.
Today, machines come in many types — from small cold press machines for home or shop use, to fully automatic industrial oil expellers for large factories. Mectech offers solutions for every scale of operation.
The working process of a groundnut oil extraction machine is simple to understand. Here is how it works step by step:
Raw groundnuts are first cleaned to remove dust, stones, and other unwanted material.
The outer shell of the groundnut is removed to get the clean seeds.
Seeds may be lightly heated or conditioned to improve oil yield and quality.
Seeds go into the screw press or expeller machine. High pressure squeezes out the oil.
The extracted crude oil passes through a filter to remove solid particles.
Clean oil is collected in tanks and is ready for packaging or further refining.
Mectech machines are designed so that every step of this process is smooth and efficient. Their groundnut oil extraction machines give a high oil recovery rate, meaning you get the most oil from every kilogram of groundnuts you process.
This is the most commonly used machine. It uses a rotating screw inside a barrel to press seeds with continuous pressure. It is ideal for medium and large-scale production.
This machine extracts oil at low temperatures without applying heat. The result is natural, unrefined groundnut oil that is very popular in health-conscious markets.
Uses hydraulic pressure to press oil. It is slower but gives very high-quality oil.
A fully automated production line where machines do all the work — from cleaning to packing. Mectech specializes in setting up complete turnkey oil plants.
A compact machine for small businesses, farmers, or retail shops. It is low cost and easy to operate.
The edible oil industry in India and around the world is booming. Groundnut oil holds a special place because it is used for cooking, frying, flavoring, and even in cosmetics and medicines.
Some reasons the groundnut oil industry is growing include:
All of this means that setting up a groundnut oil extraction business is a smart idea right now. The most important decision you will make is choosing the right machine and the right company.
Mectech is one of India's most reputed manufacturers and suppliers of oil extraction machines and complete oil mill plants.
With decades of experience in the oil industry, Mectech has helped thousands of businesses — from small village oil mills to large industrial factories — set up and grow their operations.
Mectech provides complete groundnut oil extraction machines, turnkey oil mill plants, and expert guidance from consultation to commissioning.
Call Mectech Now: +91-(0124)-4700800 (30 lines)
Website: www.mectech.in
Get a FREE plant layout, machine quote, and ROI calculation today.
The groundnut oil industry is one of the most promising sectors for new and existing businesses in India and across South Asia.
With rising demand for natural and healthy edible oils, there has never been a better time to invest in a quality groundnut oil extraction machine.
Whether you are setting up a small oil shop, a village oil mill, or a large industrial plant, the right machine makes all the difference. A good machine gives you more oil, less downtime, and a better return on investment.
Mectech has been serving the oil industry for decades with reliable machines, complete oil mill plant solutions, and outstanding customer support.
If you are serious about starting or growing your groundnut oil business, contact Mectech today. Their team will help you choose the right machine, plan your plant, and get your production running as fast as possible.
The price depends on the machine type and capacity. Small machines may start around ₹50,000, while large automatic plants can cost ₹10 lakh or more.
Good quality groundnuts typically yield between 38% and 44% oil, equivalent to approximately 380 ml to 440 ml of oil per kilogram.
Yes. With proper planning and the right equipment, return on investment is often achieved within 12 to 24 months.
Cold press extraction operates at low temperatures and preserves nutrients, while hot press extraction uses heat to achieve higher oil yields.
Yes. Mectech provides installation, staff training, and ongoing technical support.
Absolutely. Mectech provides complete turnkey oil plant solutions including design, supply, installation, and commissioning.
Mectech machines can process mustard seeds, sunflower seeds, sesame seeds, soybean, coconut, and many other oilseeds.
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