A timber-working head is configured to hold a felled tree and to feed the felled tree. The timber-working head comprises a frame and a delimb knife module mounted to the frame and configured to delimb the felled tree when the felled tree is fed past the delimb knife module. The delimb knife module has a central blade, a pivotable first side blade, and a pivotable second side blade.

A timber-working head is configured to hold a felled tree and to feed the felled tree. The timber-working head comprises a frame and a delimb knife module mounted to the frame and configured to delimb the felled tree when the felled tree is fed past the delimb knife module. The delimb knife module has a central blade, a pivotable first side blade, and a pivotable second side blade.

A method for recovering wood particles from a wood-based feedstock comprising bark is disclosed. A system for recovering wood particles from a wood-based feedstock comprising bark is further disclosed. A product comprising wood particles formed using the method of the present disclosure is also disclosed. Finally, the use of wood particles formed in the method according to the present disclosure is disclosed.

A method for processing a bark press water from sawmills and/or pulp mills is disclosed. According to the disclosure, the method comprises a) filtration of the bark press water to provide a bark press water filtrate having a particle size of less than 100 m, and b) concentrating the bark press water filtrate to a level of at least 10% dry weight and thereby providing a first fraction of concentrated bark press water, comprising tannic compounds; and a second fraction of purified bark press water.

A method for processing a bark press water from sawmills and/or pulp mills is disclosed. According to the disclosure, the method comprises a) filtration of the bark press water to provide a bark press water filtrate having a particle size of less than 100 m, and b) concentrating the bark press water filtrate to a level of at least 10% dry weight and thereby providing a first fraction of concentrated bark press water, comprising tannic compounds; and a second fraction of purified bark press water.