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Microwave-Assisted Industrial Scale Cannabis Extraction

1
Radient Technologies Inc., Edmonton, AB T6E 6S4, Canada
2
Microwave Technologies Consulting, 69140 Lyon, France
*
Author to whom correspondence should be addressed.
Technologies 2020, 8(3), 45; https://doi.org/10.3390/technologies8030045
Received: 10 July 2020 / Revised: 16 August 2020 / Accepted: 18 August 2020 / Published: 21 August 2020
(This article belongs to the Special Issue New Advances in Microwave Technologies and Its Applications)
Cannabis is a flowering plant that has long been used for medicinal, therapeutic, and recreational purposes. Cannabis contains more than 500 different compounds, including a unique class of terpeno-phenolic compounds known as cannabinoids. Δ9-tetrahydrocannabinol (THC) and cannabidiol (CBD) are the most extensively studied cannabinoids. They have been associated with the therapeutic and medicinal properties of the cannabis plant and also with its popularity as a recreational drug. In this paper, an industrial method for cannabis extraction using 915 MHz microwaves coupled with continuous flow operation is presented. The main advantages of the microwave-assisted extraction (MAE) are associated to the continuous-flow operation at atmospheric pressure which allows for higher volumes of biomass to be processed in less time than existing extraction methods, with improved extraction efficiency leading to increased final product yields, improved extract consistency and quality because the process does not require stopping and restarting material flows, and ease of scale-up to industrial scale without the use of pressurised batch vessels. Moreover, due to the flexibility of changing the operation conditions, MAE eliminates additional steps required in most extraction methods, such as biomass decarboxylation or winterisation, which typically adds at least a half day to the extraction process. Another factor that sets MAE apart is the ability to achieve high extraction efficiency, i.e., up to 95% of the active compounds from cannabis biomass can be recovered at industrial scale. View Full-Text
Keywords: THC; CBD; 915 MHz; continuous flow THC; CBD; 915 MHz; continuous flow
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MDPI and ACS Style

Radoiu, M.; Kaur, H.; Bakowska-Barczak, A.; Splinter, S. Microwave-Assisted Industrial Scale Cannabis Extraction. Technologies 2020, 8, 45. https://0-doi-org.brum.beds.ac.uk/10.3390/technologies8030045

AMA Style

Radoiu M, Kaur H, Bakowska-Barczak A, Splinter S. Microwave-Assisted Industrial Scale Cannabis Extraction. Technologies. 2020; 8(3):45. https://0-doi-org.brum.beds.ac.uk/10.3390/technologies8030045

Chicago/Turabian Style

Radoiu, Marilena, Harmandeep Kaur, Anna Bakowska-Barczak, and Steven Splinter. 2020. "Microwave-Assisted Industrial Scale Cannabis Extraction" Technologies 8, no. 3: 45. https://0-doi-org.brum.beds.ac.uk/10.3390/technologies8030045

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