Yet because it is so widely dispersed, it is mostly left to rot or is burned. In the United States, only three percent of our energy needs are derived from biomass. Demand for consumer products and energy will grow dramatically over the next decade. If that need is met by fossil fu els such as coal, oil, and natural gas, there will be tremendous amounts of carbon dioxide emitted to the atmosphere. If biomass could supply a large portion of the demand, significantly less greenhouse gases would be released to the atmosphere.
Lactic acid represents a small fraction of the chemicals of commerce in the United States.
In fact, it is not one of the top fifty chemicals produced. The Kyoto Accord will require nations to develop a way to meet society s needs without worsening global warming. Mining As the engineering group in a copper mining company, your team is required to design an ore slurry pipeline from the in-pit crusher system to the processing mill. The bottom of the pit where the ore is mined is approximately 1,000 feet below the ground surface. The haul road from the top edge of the pit to the mill is horizontal.