Large Scale Subcritical Extraction
Oil Engineering Project Expert

Huatai Oil Machinery provides full-scale subcritical low-temperature oil extraction lines with advanced technology, high efficiency, and superior product quality. We deliver complete turnkey solutions for edible oils, animal oils, plant pigments, essential oils, proteins, spices, and more.

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Huatai Oil Machinery Group

A leading Chinese manufacturer of subcritical extraction systems with full pressure vessel qualifications.

Low-Temperature Extraction

Preserves heat-sensitive compounds for higher quality oils, pigments, and essential oils.

Global Recognition

Award-winning innovation in subcritical extraction technology showcased at international expos.

About Huatai Oil Machinery

Huatai Intelligent Equipment Group is a professional supplier of subcritical extraction equipment with complete qualifications in special equipment and pressure vessels. We specialize in designing, manufacturing, and installing full-scale subcritical extraction production lines for a wide range of applications.

Our team has decades of experience in solvent oil extraction machines and oil refining systems. We provide customized turnkey solutions including plant design, equipment installation, commissioning, and personnel training.

Full turnkey subcritical extraction lines
Customized solutions for your raw material and capacity
Global service and support in multiple languages

Subcritical Extraction Equipment in Operation

Our Subcritical Extraction Solutions

We offer a comprehensive range of subcritical extraction lines tailored to various industries and materials.

Vegetable Oil

Soybean, peanut, walnut, wheat germ, grapeseed, tea seed, and more.

Animal Oil

Fish oil, horse oil, mealworm oil – low acid and peroxide values.

Plant Pigment

Lutein extraction from marigolds – industry standard solution.

Plant Essential Oils

Rose, tobacco, agarwood, cypress – high purity and aroma retention.

Spice Extraction

Cumin, pepper, galangal, fennel – efficient and scalable.

Protein Extraction

Soybean, peanut, walnut – preserves protein integrity.

Special Extraction

Medicinal active ingredients from plants and animals.

Degreasing Line

Wool, pine wood – non-destructive cleaning process.

Our Products

Custom-built subcritical extraction production lines for diverse applications.

Peanut Kernel Oil Production Line

Low-temperature pressing and extraction for high-quality edible oil with natural flavor retention.

Natural Flavor Subcritical Extraction Line

Ideal for capturing delicate aromas in food and beverage industries.

Rice Bran Protein Subcritical Extraction Line

High-efficiency protein isolation with minimal denaturation.

Walnut Kernel Oil Production Line

Preserves omega-3 and antioxidants through low-temperature processing.

Wheat Germ Oil Production Line

Extracts nutrient-rich oil rich in vitamin E and unsaturated fatty acids.

Pomegranate Seed Oil Production Line

High-value oil extraction with excellent antioxidant properties.

Pumpkin Seed Oil Production Line

Produces dark green oil rich in phytosterols and essential fatty acids.

Hazelnut Oil Production Line

Delivers premium oil with rich nutty flavor and high oxidative stability.

Subcritical Low-Temperature Extraction Technology

Subcritical low-temperature extraction is an innovative and efficient method that extracts valuable compounds from botanical and animal materials at low temperatures and pressures. This gentle process preserves heat-sensitive compounds, resulting in higher product quality and improved yields compared to traditional methods.

The technology uses liquefied gases like butane, propane, or DME as solvents under subcritical conditions, enabling selective and efficient extraction without thermal degradation.

Key Benefits:

✅ Preserves bioactive compounds
✅ Higher oil yield and purity
✅ Low energy consumption
✅ Environmentally friendly solvent recovery
✅ Scalable for industrial production

Contact Us

We receive inquiries in English, Spanish, Russian, French, and Arabic. Our professional team will reply within one business day.

To serve you better, please include your phone number (WhatsApp), destination country, oilseed material, required capacity, and any other relevant information.

Visit Official Website to Contact

Address: Xiangjiang Road, Industry Zone, Hua County, Henan Province, China

Phone: +8618337263319

Email: info04@cnoilmachine.com

Working Hours: Monday to Friday, 9 AM – 5 PM (China Time)

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Large Scale Subcritical Extraction Oil Engineering Project Expert