Greenhouse Supplies

The call for better fuel alternatives is being held and heard all around the global community. Different sectors are already making their contributions in the development of alternative fuels that will reduce the dependency of the human race on non-renewable fossil fuel supply. Governments and private sectors across the globe have been making steps in researching and developing better fuel alternatives. Private individuals have also joined in the cause of developing better sources of energy and fuel.

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Uranium Recovery Converts Swords to Plowshares

Uranium recovery and uranium recycling have both become crucial to the nuclear renaissance. To support the growing demand for uranium, governments have begun releasing supplies of highly enriched uranium. This uranium is enriched in the Uranium-235 (U-235) fissile isotope. The level of enrichment can be 50 to 95%, and is used for navy nuclear reactor fuel and nuclear weapons. This material is called high-enriched uranium (HEU).

There is currently an excess of such material and a downblending pathway now exists which can provide a significant amount of fuel for commercial nuclear reactors. Commercial nuclear reactors use natural uranium and a variety of enrichments from natural to 5% U-235, known as low-enriched

uranium (LEU). LEU is typically produced from the uranium hexafluoride (UF6) gas processed through the gaseous diffusion plants that increase the amount of % U-235. The UF6 is derived from yellowcake, or uranium oxide purified from the mining process. The downblending process produces the same commercial LEU but through a different process, from HEU sources instead of natural uranium sources.

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“The sound brought our group to a stop; we turned around to see the ice mass collapse with a roar. A section of the glacier crumbled in the middle, and chunks of ice as big as rooms spilled out on the crater floor.”

A description given by adventurer Vince Keipper as he summitted the top of Tanzania’s Mount Kilimanjaro and looked back. The fact is, the beautiful glaciers which give Mount Kilimanjaro its distinct appearance are disappearing at an alarming rate. Legendary author, Ernest Hemingway once used the following description to illustrate those 12,000 year old legendary peaks, “as wide as all the world, great, high, and unbelievably white in the sun”, but, few can say that now. Those very glaciers

have lost 82 percent of their ice since 1912, and at the current rate of erosion, they will be ancient history by the year 2020. This is only one example of the devastating affect global warming is having on our environment.

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One small pellet of enriched uranium, about the size of a fat pencil eraser, contains about the same energy as 3 cords of wood, or 3 barrels of fuel oil.

Uranium is key to a successful nuclear renaissance, on which much as been written. Global warming has caused many environmentalists to throw their support behind nuclear energy, an energy source free of greenhouse emissions present in “fossil fuels’ such as coal and oil. The nuclear industry greatly improved its safety record since the Three Mile Island accident decades ago. It has also improved reactor on-line efficiency to over 90%, important for both grid stability and investor return on investment. With coal and oil prices tripling, nuclear energy by

many accounts has become the cheapest source of electricity in the United States. New reactors being considered in the U. S. with the application of combined construction and operating licenses, and China alone has plans to build over 30 new nuclear reactors.

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The pleasing appearance of citrus trees and the fruit was mentioned by many ancient travelers, even though the fruit of citrus trees had not evolved to the point as an important food staple, the fragrance of all parts of the citrus trees, including the flowers and fruit, were desirable perfumers of rooms and were thought to repel insects.

The occurrence of citrus in Europe and Mideast were thought to have been natural occurring native trees and shrubs, but historians today believe that the ancestor of the citrus trees, Citrus medica L., was introduced by Alexander the Great from India into Greece, Turkey, and North Africa in the late 4th century BC. The most ancient citrus was called citron.

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