Coal Car
0
Posted by admin | Posted in Uncategorized | Posted on 07-12-2005
Tags: coal, coal car caboose, coal car capacity, coal car dimensions, coal car fly, coal carbon, coal carbon dioxide, coal carbon emissions, coal carbon sequestration, coal cars, coal carvings, energy, environment, news, science
Coal Car
How much carbon is emitted from a coal power plant when you are charging you battery for your electric car?
It would seem that the coal plant would release more carbon into the air then if you had a gas engine car.Seems like the electric car is a larger polluter.
My point was to say that alot of people are un aware that an electric car is a poluter just like a gas powered car.You have to plug that battery in to charge it and thats using power from a mostly coal power plant.So it is not very green after all.
the only thing not taken into account in the fi quires above is a like to like comparison of the cars. Comparing a huge SUV to an average small car is not right. when you do a car of the same size and look at efficiencies from source to use, the all electric car has a slight advantage over gasoline/diesel. When you look at carbon content of fuels, a car using natural gas or propane has the smallest CO2 and the gasoline is tied with an EV that gets 50% of its power from coal and the rest a mix of gas, nuclear, and alternative sources. The diesel is close to last.
Coal Car
Methods Of Coal Mining
Surface mining is used for about 40% of coal production in the world. When coal deposits are near the surface, it may be inexpensive to extract the coal using surface mining methods. The different types of surface mining are modern surface mining, strip or area mining, contour mining, and mountaintop removal mining.
The most usual surface mining method is strip or area mining. This method is most apt for areas with flat terrain. Strip mining exposes the coal by removing the earth above the coal seam in long cuts or strips. When all the earth above the coal seam is removed, the underlying coal seam will be exposed. The exposed coal block may be drilled and blasted. Once this strip is empty of coal, the strip mining process is repeated with a new strip being created next to it.
The contour mining method is the surface mining method which is most commonly used in areas with rolling to steep terrain. This method involves removing the earth above the coal seam in a pattern following the contours along a ridge or around a hillside. This method may cause severe landslide and erosion problems. To solve these problems, a variety of methods were devised to use freshly cut overburden to refill mined-out areas. There are limitations on contour strip mining. When the operation reaches a predetermined stripping ratio, it is not profitable to continue.
Mountaintop removal coal mining is a surface mining method which involves removal of mountaintops to expose coal seams, and disposing of associated mining overburden in nearby valleys and hollows fills. Mountaintop removal mining method combines area and contour strip mining methods.
Modern Open cast surface mining methods recovers a greater proportion of the coal deposit than underground methods.
Deep underground mining is needed when coal seams are found too deep underground. The main underground mining methods are Longwall mining, Continuous mining, Blast mining, Shortwall mining and Retreat mining.
Longwall mining covers for about 50% of underground production. It uses a sophisticated machine with a rotating drum that moves mechanically back and forth across a wide coal seam. Longwall mining helps for high levels of production with high safety. Sensors used in this process of mining helps in detecting the amount of coal remaining in the seam while robotic controls helps in enhancing the efficiency of the process.
Continuous mining is used for about 45% of underground coal production. Continuous mining uses a machine with a large rotating steel drum equipped with
tungsten carbide teeth to scrape coal from the seam.
Blast mining accounts for less than 5% of total underground production in U.S. Blast mining is an older practice that uses explosives such as dynamite to break up the coal seam. The broken coal is then gathered and loaded on to shuttle cars or conveyors and carried to a central loading area.
Shortwall mining method is used only for less than 1% of deep coal production. This method also utilizes a continuous mining machine with moveable roof supports, similar to longwall mining method.
Retreat mining method uses pillars or coal ribs to hold up the mine roof. This method is the one of the most dangerous mining method as it is impossible to predict when the ceiling or roof will collapse and crush or trap the mine workers.
About the Author
Bryan Peter is a Copywriter of Coal Mining. We provide latest updates in the mining industry, the rich information in this site gives valuable inputs with regards to types of metals, minerals & precious stones and their properties. For more information visit: Uranium Mining contact him at brayan.peter@gmail.com
how many railroad car full of coal would it it take to produce 1.5 gigawatts of?
1] Watts are a unit of power, energy per time. So you need to compare RR cars of coal with watt-hours or else ask how many RR cars per hour, or some way of getting time into the calc.
2] A standard RR coal car holds 100 tons
3] Coal has around 10 kBTU/lb – you will need a conversion to Joules
4] You will need to figure in the efficiency of the power plant, probably around 35 – 40%
battle for coal car
|
|
iHome iP43LVC Dual Alarm Clock Radio for your iPod/iPhone with Pillow Shaker (Blue) $75.95 iHome IP43 Desktop Clock Radio – Apple Dock Interface IP43LV Clocks… |
|
|
Dual Alrm Clck Rad Iphone/ipod Purple Charge Play Or Wake $91.77 iHome IP43UV Desktop Clock Radio IP43UV Clocks… |
|
|
Alex Super Baking set – 18 Piece Metal and Plastic Set $16.99 Measure, mix, prep, and bake some imaginary treats| This 18-piece set features a loaf pan, bear pan, heart pan, mixing bowl, rolling pin, whisk, measuring spoons and cup, pastry wheel, 2 star cookie cutters, 2 heart cookie cutter, and an oven mitt. Bon Appetit|… |
|
|
2.5mm Hands-Free EarBud Headset + Car Kit Vehicle Plug in Adapter + Home Travel Wall Charger for ATT Nokia Mural Grouper 6750 Cell Phone $5.99 Brand new premium quality MP3 Earbud and hands-free headset for your cell / smart / PDA phone. Acoustically tuned speaker for improved sound clarity even in noisy environments. Soft covered ergonomic earpiece for comfort even over extended periods. **Phone & Ear bud features are limited to the phone’s capability and the service provider’s default settings. Please consult with your phone’s user man… |
|
|
Modern Woman 6 – Vinyl Wall Decals Murals Stickers Art Graphic – 39H x29W – by üBer Decals Better than wallpaper, wall stickers are a perfect way to decorate your room and express yourself. They are a fun, easy and removable decor solution. These stickers are pre-cut and will only take you several minutes to apply on any surface – walls, doors, windows, and more. Each of our designs come with easy instructions to follow. This is an original design from uBer Decals. All other sellers are… |
|
|
Scarface – Vinyl Wall Decals Murals Stickers Art Graphic – 44H x29W – by üBer Decals Better than wallpaper, wall stickers are a perfect way to decorate your room and express yourself. They are a fun, easy and removable decor solution. These stickers are pre-cut and will only take you several minutes to apply on any surface – walls, doors, windows, and more. Each of our designs come with easy instructions to follow. This is an original design from uBer Decals. All other sellers are… |
|
|
Kuzy® – AQUA BLUE Keyboard Silicone Cover Skin for Macbook / Macbook Pro 13 15 17 Aluminum Unibody $1.00 Dress up your MacBook Pro in fashionable color, silicone protection now. *** Will Not fit MacBook Air 11″ ***… |
|
|
Kuzy – PURPLE Keyboard Silicone Cover Skin for Macbook / Macbook Pro 13 15 17 Aluminum Unibody $2.00 Dress up your MacBook Pro in fashionable color, silicone protection now. *** Will Not fit MacBook Air 11″ ***… |
|
|
Kuzy – Circles Purple Keyboard Silicone Cover Skin for Macbook / Macbook Pro 13 15 17 Aluminum Unibody $9.95 Dress up your MacBook Pro in fashionable color, silicone protection now. *** Will Not fit MacBook Air 11″ ***… |
|
|
Sony ICF-C05iP Clock Radio for iPod (Black) $39.95 With the Sony ICFC05iPBLK Clock Radio you can charge your iPod’s battery while you sleep. This Sony ICFC05iPBLK Clock Radio is the space-saving bedside accessory for iPod® and iPhone® users. Set the alarm to wake to the radio, iPod®, or a buzzer. The charging tray ensures both you and your iPod/iPhone® start the day with a fully charged battery. Plus, The Sony ICFC05iPBLK Clock Radio features … |
|
|
Sharp LC60LE835U Quattron 60-inch 1080p 240 Hz 3D LED-LCD HDTV, Black Sharp AQUOS LC-60LE835U 60″ 3D LCD TV LC-60LE835U LCD Flat Panel TVs… |
|
|
Shawn Interrupted $1.99 … |
|
|
Defending Polygamy $1.99 … |
|
|
America’s Funniest Home Videos: Sports Spectacular $4.10 AMERICA’S FUNNIEST HOME VIDEOS:SPORT – DVD Movie… |
|
|
Omaha Steaks Prime Rib Roasts Prime Rib Roasts… |
|
|
KIKE CALVO photo illustrations FREAKLANCES Collection – Freaklance Fausto with bike graphic tablet and keyword – Coffee Gift Baskets – Coffee Gift Basket $44.99 Freaklance Fausto with bike graphic tablet and keyword Coffee Gift Basket is measuring 9x9x4. Contains 15oz mug, BONUS free set of 4 coasters, biscotti and 5 blends of gourmet coffee. French Vanilla, Kenya AA, Decaf Colombian Supremo, Chocolate and Italian Roast Espresso elegantly presented in our signature black planet coffee gift box. A very nice and thoughtful gift for any occasion…. |
|
|
Betty Lous Organic Harmony Hippy Happy Apple Bar Case Pack 24 – 683021 $116.33 1.75 oz bar. Vegan. USDA organic. Ingredients: organic apple cinnamon granola [organic oats, organic maple syrup, organic oat flour, organic crisped rice (organic brown rice, malt syrup - GF, sea salt), organic brown rice syrup, organic walnuts, organic sunflower seeds, organic expeller pressed high oleic sunflower oil, organic unsulfured dried apples, organic cinnamon, organic vanilla, sea salt],… |
|
|
KONNET iCrado Original, Stylish Metal Charging Dock / Cradle / Stand for iPhone, iPhone 3G, 3GS and iPod (Black) The KONNET iCrado is an easy to install cradle for your iPhone or iPod. With its unique distinctive design, it demonstrates the userâs personal style. The front is designed with a wide opening to give users the quick convenience of charging the iPhone or iPod without removing the protective case. The iCrado has a dedicated port to fit the Appleâs 30-pin USB cable to charge and sync the i… |
|
|
Centurion CD DVD Storage Library Electronic Organizer PC Controlled 100 Disc Manager $94.51 : The Centurion CD is the most efficient and safest way to store, protect and manage valuable information stored on CD or DVD, whether its data, files, photos or videos. If data is placed on optical media, then the Centurion CD can eliminate clutter, help prevent scratches and dust and keep a work area neat and organized. It is a fully automated organizer that catalogues and keeps all media safe a… |
|
|
Permatex 82606 Pro Strength Brake & Parts Cleaner (not for resale in California) $5.99 Quickly dissolves and removes oil, grease, brake fluid and oxidized oils from all types of brake systems and metal surfaces. Dries without leaving residue…. |
|
|
SE Glow-in-the-Dark Brass Compass $1.50 Night Hike? Go ahead. If you’ve got your glow-in-the-dark compass with you, you can find your way back without having to grope around trying to feel the moss on the north side of the trees. In brass, 2″ dia x 1/2″ thick, with a bezel with 2-degree increments and a 13/16″ dia hook on top…. |
|
|
SE Lensatic Compass $1.40 Classic design traditionally used by military forces for its precisely accurate bearings in land navigation and directing artillery coordinates…. |
|
|
Brunton Classic Compass $7.35 The complete compass designed for everyone. Cobalt steel needle, patented declination adjustment, and 2? graduation…. |
|
|
Passion of the Christ: Songs (Original Songs Inspired by the Film) $7.00 … |
|
|
Egyptian Hieroglyphs Made Easy $26.50 Learning and understanding of the ancient Egyptian hieroglyphic language. The hieroglyphic script was the longest lived and earliest form of the Egyptian language. Its use was limited primarily to religious and monumental inscriptions, whereas a more cursive script called hieratic was preferred for administrative and epistolary purposes. Hieroglyphic Egyptian employs pictures of objects, each with… |
|
|
Promised Land [CD-ROM] Queensryche’s follow-up to the double-platinum Empire is something of an acquired taste, but it’s well worth the effort. There’s considerable variety here; the heavy progressive-rock of “I Am I” and the ballad “Bridge” were hit singles, but there’s also the funk-inflected “Disconnected”, the edgy, spooky “Lady Jane”, and the piano-and-vocals “Someone Else?”. The title track is probably the stronge… |
|
|
Tiger Balm Analgesic Tiger Muscle Rub … |
|
|
Ableware 769450000 Raptor Reacher $13.99 Raptor Reacher Maximum value at a moderate price The Raptor Reacher is a low cost, durable, lightweight, all plastic reacher with a contemporary design unlike other reachers. The jaw opens a full 2 1/2″ (6.3 cm) and provides a tight grip on even the smallest items such as coins or bulky items like newspapers, clothing and cans. A hook-like extension on the front can be used as a dressing aid. The … |
|
|
Gecko Nasal Pad – Large, 4.12 Long $24.85 The Gecko Nasal Pad (formerly the Sleep Comfort Care Pad by Sequal) is intended for patients with Obstructive Sleep Apnea (OSA) who experience pain and discomfort on or around the bridge of their nose associated with using nasal or full face masks. The pad acts as a cushion between the patient’s face and mask, and is simply placed across the bridge of the nose under the mask. The protective polyme… |
|
|
Stacy Adams Boys’ Richie 43297 Dress Shoes $44.99 • Keep your young man looking sharp in this sleek oxford • Shiny manmade upper with tonal fabric accent • Lightly cushioned footbed • Flexible rubber sole • Toddler sizes available in whole sizes only, half sizes order next size up … |
