Novel thermal evaporative processes for the recovery of heat-sensitive constituents, raw essential oil concentrates, and other compounds from plant biomass material are disclosed, as are systems for implementing such processes. Particularly, the processes include a solvent-less process for either batch-wise or continuous removal and recover), of refined oils, such as volatile aroma components and heavier oils, from plant material.

The invention relates to a method for membrane permeation of a gas flow including methane and carbon dioxide, wherein said gas flow is cooled to a temperature of 0° C. to −60° C. before being fed into a membrane separation unit.

The disclosure relates to the field of reduction of CO.sub.2 emission, more in particular to CO.sub.2 capture and conversion. The disclosure further relates to the culturing of algae and an apparatus for use thereof. One object of the disclosure is to provide an alternative method for capturing and conversion of CO.sub.2 from a gaseous stream.

System (100) and method for processing biomass. The system comprises a combined heat and power plant (102), an interface (114) for feeding biogas to a traffic fuel production unit, interfaces (114) to a district heating system (106a) and an electrical grid (106b), and a hydrolysis device (108), a digestion device (110), a dryer (116) and a heat recovery unit (112), which are operatively coupled for transferring heat, intermediate products and final products of the process, wherein raw biomass is received into the Fuel hydrolysis device (108), biomass processed by the hydrolysis device (108) is fed to the digestion device (110), biogas obtained in the digestion device (110) is fed to the traffic fuel production unit (104), heat is recovered from the hydrolysis device (108), biomass processed by the digestion device (110) is dried by the heat recovered from the hydrolysis device (108), heat is recovered from the dryer (116), heat recovered from the dryer (116) is fed to the hydrolysis device (108) to be used in pre-heating of the received raw biomass, heat recovered from the dryer (116) is fed to the district heating (106a), and production of electricity is fueled by the dried biomass from the dryer (116).

The present invention relates to methods for improving carbon capture using entrained catalytic-particles within an amine solvent. The particles are functionalized and appended with a CO.sub.2 hydration catalyst to enhance the kinetics of CO.sub.2 hydration and improve overall mass transfer of CO.sub.2 from an acid gas.

According to present disclosure, there is disclosed an algae growth and cultivation system that provides a cost-efficient means of producing algae biomass as feedstock for algae-based products, such as, biofuel manufacture, and desirably impacts alternative/renewable energy production, nutrient recovery from waste streams, and valued byproducts production. The system as discussed herein is an integrated systems approach to wastewater treatment, algal strains selection for byproducts production, and recycle of algal-oil extraction waste or additional algae harvested as feedstock for fertilizer production. Embodiments of a system as discussed herein present an economically viable algae production system and process that allows algae-derived products such as biofuels, fertilizer, etc. to compete with petroleum products in the marketplace.

The present invention relates to a method of controlling a gas separation plant, to a plant thus controlled and also to its use for separation of gas mixtures, especially in the processing of biogas or natural gas, or syngas.

Methods and systems to achieve clean fuel processing systems in which carbon dioxide emissions (1) from sources (2) may be processed in at least one processing reactor (4) containing a plurality of chemoautotrophic bacteria (5) which can convert the carbon dioxide emissions into biomass (6) which may then be used for various products (21) such as biofuels, fertilizer, feedstock, or the like. Sulfate reducing bacteria (13) may be used to supply sulfur containing compounds to the chemoautotrophic bacteria (5).

Provided is a method for reusing an adsorbent which can stably exhibit purification ability by regenerating a used absorbent, in order to keep the composition of a purified syngas constant.

The present invention concerns a method for regenerating a zeolite adsorbent which adsorbs a carbon dioxide gas from a syngas comprising the carbon dioxide gas and reduces the concentration of the carbon dioxide gas in the syngas, comprising: a step of recovering a used zeolite adsorbent; a step of calcining the used zeolite adsorbent at a temperature of 300° C. to 600° C. in an oxygen atmosphere to produce a regenerated zeolite adsorbent; and a step of reusing the regenerated zeolite adsorbent.

Disclosed is an adsorbent containing a metal oxide for adsorption of hydrogen sulfide in biogas, and a biogas purification system using the same.