July 2020

Supercritical CO2 extraction of lithospermum

Supercritical CO2 Extraction of Lithospermum Erythrorhizon

Lithospermum Erythrorhizon Lithospermum (scientific name: Lithospermum erythrorhizon Sieb.et Zucc.) is a plant belonging to the Comfrey genus of the Boraginaceae. Perennial herb, the roots are rich in purple substances. Stems are usually 1-3, erect, 40-90 cm tall. The leaves are sessile, ovate-lanceolate to broad-lanceolate, 3-8 cm long and 7-17 mm wide. The inflorescence has stems and upper branches, 2-6 cm… Read more »Supercritical CO2 Extraction of Lithospermum Erythrorhizon

Supercritical CO2 fluid cleaning circuit board

Supercritical CO2 Fluid Cleaning Integrated Circuit Board

SCF cleaning integrated circuit board process parametersLaboratory equipment:L-05 Cleaning pressure: <10 MPaSeparation pressure: 6 MPaCleaning time: <90 min This is an experiment, on July 1, 2020. At the request of Taiwan Songhao Electromechanical Company, we carried out the IC board cleaning test. The samples are 5 pieces of circuit boards that have been cut. From the photos, we can find… Read more »Supercritical CO2 Fluid Cleaning Integrated Circuit Board

Purification of Menthol by Supercritical CO2 Fractionation

Purification of Menthol by Supercritical CO2 Fluid Fractional Distillation

Peppermint How to extract peppermint oil The stems and leaves of peppermint plants can be steam distilled to extract mint crude oil. They have analgesic, relieve itching, aromatic and refreshing effects. Application They are widely used in oral hygiene, detergents, tobacco, perfume and pharmaceutical industries. Mint crude oil Mint crude oil can be frozen and crystallized. Obtain menthol and peppermint… Read more »Purification of Menthol by Supercritical CO2 Fluid Fractional Distillation