German GreenTech company, with an innovative solution to increase the added value of residual materials and biomass, available for sale under acquisition agreement


A German company has developed a new add-on technology to extract oil from biomass and by-products with high moisture content (up to 80%) without drying. The technology reduces the share of hexane significantly, is very efficient and reduces OPEX (operational expenditure) by up to 80%. The company is looking for a buyer of their IP (intellectual property) under an acquisition agreement.

Partner sought

Companies or organisations from e.g. Greentech, cosmetic or food sector, who are interested in extraction and/or innovative Greentech technologies and who are interested to buy the IP.


The German client is a leading company providing solutions and leading-edge technologies for extraction and separation of industrial biomass by-products and split waste streams into valuable components. The IP protected process technology is based on industrial standard processes and working as add-on technology. The extraction works with hexane and other uncritical solvents. Standard hexane extraction is common practice to gain oily components from raw materials and biomass. The equipment is standardized and reasonably priced on the market. Now, the German client has developed very economically and cost-efficient innovative solutions to increase the profit and efficiency benefit of residual materials, e.g., in spent coffee grounds, palm oil residues, orange and citrus peel residues, coconut shells and more. In order to be able to use this extraction, it is only necessary to adapt the improved extraction technology as an element to process parameters and to modify the already existing technique. The steps will be demonstrated on the example of spent coffee ground: Basis is that there are large quantities of pure coffee oil in the coffee ground. Initial situation is that extraction material is very fine, the coffee oil is firmly bound in the complex of the substance and the material very tightly pored as well as very moist (residual moisture up to 65%). So far, an essential factor for an economical hexane extraction was the drying of the material down to 10% moisture content. The drying made it uneconomical with the client's technology. To dry materials with residual moisture contents of up to 65% to these values, processes have been developed which were able to extract the entire oil without drying and independently of the residual moisture and despite unfavourable material properties. This means that depending on the sort of coffee beans used about 23-31 % oil content can be extracted from the total dry volume. This can be realized with the innovative technology from the client, which is working with an improved extraction technology via hexane+solvent. The source material can contain 60% of water and more. Nevertheless, no previous drying is necessary to receive the result of oil extraction of about more than 90%, which is very efficient. Therewith, it is possible to increase the benefit many times over, while at the same time having less operating costs and much better ecological balance. A more confident sale of the extracted products is another positive more result. In addition to current solutions, the technology described has the potential for other oil plants and oily materials to be possible. The company plans now to sell the IP and is looking for suitable partners who are interested in the Greentech solution and who want to conclude an acquisition agreement.

Advantages and innovations

Not available

Development stage

Already on the market

Intellectual Property Rights (IPR)

Patent(s) applied for but not yet granted,Patents granted,Other

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