The Semi-Continuous Extraction unit is designed for a high volume of Continuous Batch Counter Current Solvent Extraction. Used in a variety of agricultural Biomass Extraction the system is designed for Industrial process facilities that are attempting to achieve a high level of throughput with limited downtime or human interaction. The Semi-Continuous system is designed for Fully automated operation with self feeding input material and discharge of spent material with 99.9% solvent recovery through its patented recovery conveyor. All systems can be customized for the specifications; throughput and operational parameters of the end users needs. System are also designed for Cryogenic or heated operation.