Some variations provide a system for extracting a product from biomass, comprising: a process chamber having an internal volume; one or more mechanical elements configured to controllably and reversibly mechanically seal the process chamber and reduce the internal volume to mechanically compress the biomass; a fluid port in flow communication with the process chamber; and a collection sub-system in flow communication with the fluid port. Other variations provide a method of extracting a product from biomass, the method comprising: introducing biomass into a process chamber; mechanically sealing the process chamber; mechanically compressing the biomass to release a first fluid material; mechanically decompressing the biomass; introducing an extraction solvent into the process chamber; maintaining process-chamber pressure from about 1 bar to about 1000 bar, wherein the extraction solvent extracts a second fluid material; and recovering the second fluid material from the process chamber. High processing throughput is enabled with this invention.

The present disclosure discloses a method for preparing 2,5-dimethylphenol by selective catalytic conversion of lignin, relates to the technical field of chemistry, and includes the following steps: mixing lignin, a catalyst, and ethanol, and then carrying out a catalytic conversion reaction of lignin under the gaseous supercritical conditions of ethanol; and cooling the reaction product by quenching after the completion of reaction, and then subjecting it to separation and extraction to obtain 2,5-dimethylphenol. The catalyst comprises a modified sepiolite carrier, an active metal Mo, and auxiliary agents Zr and Fe. The process of the present disclosure is simple, and the prepared catalyst is a solid catalyst, which avoids problems of difficult recovery, serious environmental pollution and equipment corrosion caused by the use of homogeneous organic acid-base catalysts.

The present disclosure discloses a method for preparing 2,5-dimethylphenol by selective catalytic conversion of lignin, relates to the technical field of chemistry, and includes the following steps: mixing lignin, a catalyst, and ethanol, and then carrying out a catalytic conversion reaction of lignin under the gaseous supercritical conditions of ethanol; and cooling the reaction product by quenching after the completion of reaction, and then subjecting it to separation and extraction to obtain 2,5-dimethylphenol. The catalyst comprises a modified sepiolite carrier, an active metal Mo, and auxiliary agents Zr and Fe. The process of the present disclosure is simple, and the prepared catalyst is a solid catalyst, which avoids problems of difficult recovery, serious environmental pollution and equipment corrosion caused by the use of homogeneous organic acid-base catalysts.

A method of making CBD concentrate or CBD Isolate comprises (a) milling a raw material; (b) contacting the milled raw material with an extraction solvent and separating a solid waste material to form a filtered extract; (c) concentrating the filtered extract; (d) washing the concentrated extract to form an organic phase and an aqueous phase; (e) separating the aqueous phase from the organic phase to form a washed extract; (f) removing an organic solvent from the washed extract to form a concentrated washed extract; (g) decarboxylating the concentrated washed extract; (h) vacuum distilling the decarboxylated extract to form a distillate; (i) dewaxing the distillate to form a post-dewax filtrate; (j) applying a vacuum to the post-dewax filtrate to form a post-dewax concentrate; (k) degassing the post-dewax concentrate; and (l) vacuum distilling the degassed concentrate to form a CBD concentrate.

A method of making CBD concentrate or CBD Isolate comprises (a) milling a raw material; (b) contacting the milled raw material with an extraction solvent and separating a solid waste material to form a filtered extract; (c) concentrating the filtered extract; (d) washing the concentrated extract to form an organic phase and an aqueous phase; (e) separating the aqueous phase from the organic phase to form a washed extract; (f) removing an organic solvent from the washed extract to form a concentrated washed extract; (g) decarboxylating the concentrated washed extract; (h) vacuum distilling the decarboxylated extract to form a distillate; (i) dewaxing the distillate to form a post-dewax filtrate; (j) applying a vacuum to the post-dewax filtrate to form a post-dewax concentrate; (k) degassing the post-dewax concentrate; and (l) vacuum distilling the degassed concentrate to form a CBD concentrate.

Some variations provide a system for extracting a product from biomass, comprising: a process chamber having an internal volume; one or more mechanical elements configured to controllably and reversibly mechanically seal the process chamber and reduce the internal volume to mechanically compress the biomass; a fluid port in flow communication with the process chamber; and a collection sub-system in flow communication with the fluid port. Other variations provide a method of extracting a product from biomass, the method comprising: introducing biomass into a process chamber; mechanically sealing the process chamber; mechanically compressing the biomass to release a first fluid material; mechanically decompressing the biomass; introducing an extraction solvent into the process chamber; maintaining process-chamber pressure from about 1 bar to about 1000 bar, wherein the extraction solvent extracts a second fluid material; and recovering the second fluid material from the process chamber. High processing throughput is enabled with this invention.

Some variations provide a system for extracting a product from biomass, comprising: a process chamber having an internal volume; one or more mechanical elements configured to controllably and reversibly mechanically seal the process chamber and reduce the internal volume to mechanically compress the biomass; a fluid port in flow communication with the process chamber; and a collection sub-system in flow communication with the fluid port. Other variations provide a method of extracting a product from biomass, the method comprising: introducing biomass into a process chamber; mechanically sealing the process chamber; mechanically compressing the biomass to release a first fluid material; mechanically decompressing the biomass; introducing an extraction solvent into the process chamber; maintaining process-chamber pressure from about 1 bar to about 1000 bar, wherein the extraction solvent extracts a second fluid material; and recovering the second fluid material from the process chamber. High processing throughput is enabled with this invention.

Method and system for the extraction of oils from a biomass with a liquid carbon dioxide using cosolvent. The system and method can be used to extract cannabinoids from cannabis biomass by cryogenically freezing the biomass and exposing the cannabis biomass to sub-cooled liquid carbon dioxide and capturing a first high-terpene extract fraction, and then exposing the cannabis biomass with a mixture of superfluid carbon dioxide and a cosolvent to capture a high cannabinoid second fraction.

Method and system for the extraction of oils from a biomass with a liquid carbon dioxide using cosolvent. The system and method can be used to extract cannabinoids from cannabis biomass by cryogenically freezing the biomass and exposing the cannabis biomass to sub-cooled liquid carbon dioxide and capturing a first high-terpene extract fraction, and then exposing the cannabis biomass with a mixture of superfluid carbon dioxide and a cosolvent to capture a high cannabinoid second fraction.

Embodiments may provide systems and method for purifying natural and/or organically certified nutraceuticals, such as cannabinoids. Embodiments may include refined or unrefined solvents, refined or unrefined plant extracts, refined or unrefined source compounds to be purified to any degree. Embodiments may reduce the concentration of impurities such as other cannabinoids (e.g., THC), terpenes, pesticides, herbicides, mycotoxins, heavy metals, other solvents (e.g., ethanol), waxes, or other impurities. Embodiments may increase the concentration of target compound(s) from its respective source material.