1. Key Passive Solar Design Concepts

... fiber embedded in walls or roof, or hybrid solar lighting at Oak Ridge National Laboratory. Passive solar water heating There are many ways to use solar thermal energy to heat water for domestic use. Different ...

2. Solar Lighting

... energy requirements by 25%.  An important active solar lighting method is the hybrid solar lighting (HSL). HSL systems collect sunlight using focusing mirrors that track the Sun and use optical fibers ...

3. Recursive recycling

... are converted to a fiber using steam at 60 psi and 160*C. The converted organics (sanitary fiber) is size reduced by 85% and can be used to produce bio-fuels using acidic-hydrolysis or enzymatic-hydrolysis ...

4. Recycling History

... World War II in every country involved in the war, urging citizens to donate metals and conserve fiber, as a matter of significant patriotic importance. Resource conservation programs established during ...

5. Common Recyclables

... fillers, clays, and fiber fragments. Almost all paper can be recycled today, but some types are harder to recycle than others. Papers coated with plastic or aluminum foil, and papers that are waxed, pasted, ...