Harvesting eucalyptus for fuel chips

Harvesting to Get a Eucalyptus Coppice Crop1

When eucalyptus trees are felled, new stems often grow from the stumps to produce another crop of trees. This new crop is called the coppice crop to distinguish it from the seedling crop. Coppice crops can be important in growing eucalypts profitably. Replanting costs are saved and coppice crop rotations are usually shorter than those of seedling crops, because coppice stems grow faster than se...

Energy-harvesting chips and the quest for everlasting life

Modern electronics continue to push past boundaries of integration and functional density, towards the elusive completely autonomous self-powered microchip. As systems continue to shrink, however, less energy is available on-board, leading to short device lifetime (runtime or battery life). Research continues to develop higher energy-density batteries but the amount of energy available is not o...

Fuel Properties and Suitability of Eucalyptus Benthamii and Eucalyptus Macarthurii for Torrefied Wood and Pellets

Torrefaction is the process of heating a material in the absence of oxygen, a pretreatment that represents a promising option for biofuels. Two eucalyptus species harvested in South Carolina, E. benthamii and E. macarthurii, were processed in a torrefier, and wood pellets were manufactured. Eucalyptus represents a promising biomass source in southern U.S. due to fast growth rates and the availa...

Chipping Whole Trees for Fuel Chips: A Production Study

A time and motion study was conducted to determine the produciivity and cost of an in-woods chipping operation when processing whole mall-diameter trees for biomoss. The study removed biomass from two overstocked stands and compared the cost of this treatment to existing alternatives. The treatment stands consisted of a 30-year-old longleaf pine stand and o 37-year-old loblolly pine stand. In t...

Bio-Fuel Cells – Energy Harvesting Nano Particles