Xi'an TOPTION Instrument Co., Ltd. is one of the most reliable manufacturers and suppliers of supercritical carbon dioxide extraction plant in China. We provide high quality solutions & products for global customers who work in chemistry, biology, pharmaceutical, food, etc. If you have any enquiry about lab solution customization, please feel free to email us.
TOPTION - The Supercritical CO2 Extraction Specialist
Supercritical fluid extraction is a separation technique that is particularly suitable for the extraction of fat-soluble and heat-sensitive substances with high boiling points. The technology uses CO2 as a solvent for extraction and purification in many products such as biologics, food, and pharmaceuticals. The equipment includes extraction kettles, separation kettles, refrigeration systems, heat exchange systems, CO2 storage tanks, flow meters, temperature control systems, and safety protection systems. The functions of the equipment produced by TOPTION include the supply of supercritical fluids, separation of target components, mixing of mixtures, cooling, heat exchange, flow monitoring, temperature control, and the provision of safety protection.

Products Parameters
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Products Features

Working Principle
Supercritical CO2 extraction equipment works by loading supercritical CO2 into an extractor via a high-pressure pump, which then comes into contact with the plant material, breaking its skin and allowing it to dissolve the target components within. This process takes advantage of the properties of supercritical fluids, which give CO2 both gaseous and liquid properties with high solubility and diffusion rates. By adjusting the pressure and temperature, the supercritical state of the CO2 can be controlled to achieve an effective extraction of the target component. The advantage of this technology is that the product obtained by extraction is purer, no traces remain and no further processing work is required.

Advantages
Supercritical CO2 extraction equipment has many advantages in many areas, resulting in a wide range of applications in various industries.
1. Supercritical CO2 has a low viscosity, its low viscosity means good mobility, allowing easier penetration into fine pores and full contact with the solute, thus increasing extraction efficiency.
2. Supercritical CO2 has a higher density, which provides higher solubility and a larger mass transfer rate. This means that the target components can be extracted efficiently in a shorter period of time, increasing production efficiency.
3. The extraction process does not require the use of organic solvents, so there is no need to worry about solvent residues. This is important for areas such as food, pharmaceuticals, and cosmetics.
4. The supercritical CO2extraction process does not lead to the degradation of heat-sensitive substances, as the operating temperature can be relatively low. This makes it very suitable for the extraction of heat-sensitive substances that are easily destroyed by high temperatures.
5. Supercritical CO2 extraction is also considered to be an environmentally friendly technology. As CO2 is a naturally occurring and non-toxic substance, the supercritical CO2 extraction process does not pollute the environment and does not have a negative impact on human health.
6. Supercritical CO2 extraction equipment is relatively simple to operate and maintain, and the investment and running costs of the equipment are relatively low. This makes it one of the ideal technologies of choice for many companies and laboratories.

Applications
1. Food industry: Supercritical CO2 extraction is widely used in the food industry for extraction and separation processes. It can be used to extract food ingredients such as caffeine, flavorings, natural colors, whey proteins, and more.
2. Pharmaceutical and herbal extraction: Supercritical CO2 extraction is widely used in the field of pharmacy and natural herbal medicine. It can be used to extract pharmaceutical ingredients such as vegetable oils, flavors, antioxidants, alkaloids, etc. from plants. The advantages of supercritical CO2 extraction include high purity, non-toxicity, no solvent residues, and controlled selectivity for high-quality drug and herbal preparations.
3. Fine chemicals: Supercritical CO2 extraction is widely used in fine chemicals for the separation and extraction of specific organic compounds. For example, it can be used to extract natural flavors, essential oils, and edible plant extracts from plants. It also reduces the degradation of substances due to high-temperature operations.
4. Environmental analysis: Supercritical CO2 extraction technology can be used for the extraction and analysis of organic substances from environmental samples. For example, it can be used to extract organic contaminants from soil samples, volatile organic compounds from water, etc. The advantages of supercritical CO2 extraction include being efficient, fast, non-toxic, environmentally friendly, and avoiding the use of conventional organic solvents in the analysis process.

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