Supercritical CO2 Extraction Process of Rose Oil【 CO2 Essential Oil Extraction Equipment】

The whole process of rose supercritical CO2 extraction,
Supercritical CO2 extraction machine operating instructions tutorial.

Since 1989, an expert in Supercritical Fluid Systems in China.
High-quality manufacturer of Supercritical CO2 Extractors, Drying Equipment, Micronization Equipment, Dyeing Machines, Cleaning Machines, and Reaction Equipment.

For more than 30+ years, BIT has designed and produced a Supercritical CO2 Extraction Machine suitable for different applications: Essential Oil CO2 Extractor, Natural Pigment CO2 Extraction Equipment, etc.

Freely customize Supercritical CO2 Extractor:
Pressure: 35 – 105MPa;
Capacity: 0.1 – 3000 lb.
Laboratory scale CO2 extractor (200 – 10000ml); Pilot and production scale CO2 extraction equipment (20 -180L); Industrial scale CO2 extraction machine (200 – 9000L).
A supercritical fluid fractionation column with the corresponding capacity can be customized.

https://supercriticalfluidsystems.com/

What Is CO2 Extraction
The supercritical CO2 extraction process creates phase changes in carbon dioxide utilizing “temperature and pressure” to the combination of extraction and separation processes.

Temperature & Pressure: It is carried out by utilizing the influence of supercritical CO2 fluid solubility， Contacting the extracted substance with a supercritical co2 fluid and controlling temperature and pressure, extracting the components of polarity, boiling point, and molecular weight in turn. Thereby the target extracted(such as CO2 essential oil) substances are completely or basically extracted, so as to achieve the purpose of separation and purification.

CO2 extraction yield: Within CO2 extraction for biomass material(For example, the oil content of cannabis is 4-7%, and the oil content of vanilla is 5-6%.), you can get 100% of these essential oils because the CO2 extraction process is the strongest oil extraction process on the planet. For 100 grams of cannabis or ginger, the CO2 extraction yield is 4-7 grams of CBD oil and 5-6 grams of ginger essential oil.

Three Types Of CO2 Extraction Equipment
Conventionally, CO2 extraction equipment is divided into three types according to its extraction capacity: tabletop CO2 extractor, small CO2 extraction machine, and industrial CO2 extraction machine.

Tabletop CO2 Extractor: The extraction capacity is from a few milliliters to 200 milliliters, mainly for some small CO2 extraction process experiments.
Small CO2 Extraction Machine: They have a larger extraction capacity than tabletop CO2 extractors, from 500 to 10,000 ml, and in special cases are equipped with two CO2 extraction vessels or a supercritical CO2 fractionation column. They are used for scale-up experiments of CO2 extraction processes.
Industrial CO2 Extraction Machine【 CO2 Essential Oil Extraction Equipment】: Their extraction capacity ranges from 20L up to 9000L. There are two types of structures, frame type, and platform type.
Frame type: The capacity of the CO2 extraction vessel is less than 100L, and in special cases, it is a machine of 100L and 150L combined with a double CO2 extraction vessel.
Platform type: CO2 extractor combined with three CO2 extraction vessels of 100L and 150L and a CO2 extraction vessel larger than 150L.

4 Tips For CO2 Extraction
There are some tricks to any job, and CO2 extraction is no exception. The four tips of CO2 extraction we provide below determine not only the type, quality, and yield of CO2 extraction, but also the ease and cost of the CO2 extraction process.

Tips 1: Control The CO2 Extraction Temperature
The supercritical CO2 extraction equipment needs to control the temperature in many processes during operation, from the initial CO2 liquid to the supercritical CO2 fluid to the last stage of the separator, we need to control the temperature at each working point to Get the best extraction results. But the main concern is the temperature of the CO2 extraction vessel (here the CO2 extraction vessel includes the separation vessel).

Different biomass, oil composition, and different target extracts will have different optimal extraction temperatures. This means that in any kind of different biomass, there will be different extraction temperatures, and even the same biomass will have slightly different CO2 extraction parameters in different places of origin.

Increasing the extraction temperature: Decrease terpenoid concentration in the extract, risks of possible denaturing of the product, and increases wax/resin extraction (thereby increasing extract quantity), also increases chlorophyll in the extract..
Decreasing the extraction temperature: Increases the oil proportion of the extract, and reduces the wax proportion of the extract.

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