'Acid mine drainage' presentation slideshows

Mining

Mining . And its environmental impact. Outline. 1. Types of Mining (and why we use them) 2. Beneficiation 3. Smelting 4. Environmental Concerns of 1 through 3. What determines the type of mining?. Underground v.s. Surface Mining v.s. Solution Depth below surface Size of the ore body

858 views • 59 slides

The Control & Management of Acid Mine Drainage

The Control & Management of Acid Mine Drainage. By Andy Robertson and Shannon Shaw. Disclaimer. These slides have been selected from a set used as the basis of a series of lectures on Acid Mine Drainage presented in 2006 at the University of British Columbia, Vancouver, BC.

769 views • 44 slides

Optimizing Resources for Restoring Streams Impaired by Acid Mine Drainage

Optimizing Resources for Restoring Streams Impaired by Acid Mine Drainage. Paul Ziemkiewicz Todd Petty Rick Herd Jen Fulton Jim Stiles West Virginia Water Research Institute West Virginia University. Program Scope: Stream segments impaired by historic acid mine drainage

628 views • 38 slides

Heavy Metals & Synthetic Organics

Heavy Metals & Synthetic Organics. Lecture #44 Ch 14-day 4. Catastrophic!. Toxic to all living things Persistent Floats & sinks Thick, viscous coating of everything. Sources: 1: Undersea Offshore Drilling. 5,000 N. America & 3,000 more globally they leak ! BBC Coverage

470 views • 36 slides

Wetland Creation

Wetland Creation. Why? Can it be done? Does a created wetland serve the same ecological purposes as a natural wetland?. Why Build Treatment Wetlands?. Improve water quality Secondarily, provide wildlife and other wetland functions. Ecological Services. biological filters

454 views • 27 slides

Chapter 16 Minerals: A Non-renewable Resource

Chapter 16 Minerals: A Non-renewable Resource. Overview of Chapter 16. Introduction to Minerals Mineral Distribution and Formation How Minerals are Found and Extracted Environmental Impact of Minerals An International Perspective Increasing the Supply of Minerals

482 views • 27 slides

Wednesday - APES

Wednesday - APES. AP exam fees due March 9 Cookie Lab today Pick up tests for test corrections during period Measure radish plants Chem poster due Friday 2 pictures included. Cookie Mining. The economics of mining. Purchasing: land, mining equipment Paying for: operations & reclamation.

378 views • 26 slides

Chapter 16 Mineral Resources

561 views • 23 slides

Acid Mine Drainage

Acid Mine Drainage. Terms. Acid Mine Drainage (AMD) Water that is polluted from contact with mining activity Acid Rock Drainage (ARD) Natural rock drainage that is acidic Both produce acidic waters How to distinguish?. Characteristics. Increased acidity = decreased pH

722 views • 22 slides

Acid Mine Drainage

Acid Mine Drainage. Terms. Acid Mine Drainage (AMD) Water that is polluted from contact with mining activity Acid Rock Drainage (ARD) Natural rock drainage that is acidic Both produce acidic waters How to distinguish?. Characteristics. Increased acidity = decreased pH

410 views • 22 slides

An Introduction to Acid Mine Drainage by George Mitchell and Tim Craddock

An Introduction to Acid Mine Drainage by George Mitchell and Tim Craddock. AMD affects over 2000 miles of streams in West Virginia. Extent of AMD in the mid-Appalachian region. What is Acid Mine Drainage?. Basically, AMD formation is an oxidation process.

338 views • 22 slides

Warm Up

Warm Up. Have out the following things Problems with mining Review Sheet Work on your review sheet while I hand stuff back Hold off on asking questions until after I get everything back please!!. Type ~ Air and Noise Pollution http://www.youtube.com/watch?v=06c_h9SDMu8&NR=1. Air. Noise.

304 views • 15 slides

Acid Mine Drainage

Acid Mine Drainage . Acid Mine Drainage. Air , bacteria and moisture during mining. P yrite. Yellow boy in a stream receiving acid drainage from surface coal mining . An Enviromental problem in coal-Mining region

575 views • 9 slides

Arapahoe Basin Ski Resort

Arapahoe Basin Ski Resort. Keystone Ski Resort. Key: Instream pH. <4.3. 4.4-5.7. >6. 6. Chihuahua Gulch. 3. Keystone. Snake River. Peru Creek. Pennsylvania Mine. 4. 5. Cinnamon Gulch. 2. ACID MINE DRAINAGE. Montezuma. Sts. John Creek. Sts. John. 1. NATURAL IRON BOG.

164 views • 8 slides

Public Hearings on Acid Mine Drainage

180 views • 8 slides

ACID MINE DRAINAGE (AMD)

ACID MINE DRAINAGE (AMD). A PowerPoint Presentation. By Benjamin Garza. Acid Mine Drainage. What is it???. Weathering of Pyrite!!!!!!. Pyrite oxidises and produces acidic water (ph < 3).

466 views • 7 slides

Chapter 8

Chapter 8. Supplemental Information. Humus. Plants drop leaves, twigs, and other material to the ground Over time, this leaf litter decomposes into dark, nutrient-rich organic matter (called humus ) that is found in topsoil. Loam.

184 views • 7 slides

I mpact of Current Rainfall / Flooding on Acid Mine Drainage in Gauteng

Presentation to the Portfolio Committee: Water& Environment. I mpact of Current Rainfall / Flooding on Acid Mine Drainage in Gauteng. Presentation by Mr N Nepfumbada Acting Deputy Director-General: Policy & Regulation 26 - 27 January 2011.

193 views • 7 slides

Environmental Concerns

Environmental Concerns. Besides Accidents Acid Mine Drainage Acid rain Increasing atmospheric CO 2 Mine reclamation (subsidence) Coal seam fires. Acid Mine Drainage. Sulphur is bound in organic mararels and in Fe sulphides (marcasite and pyrite)

193 views • 6 slides

Biotech

265 views • 6 slides