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Technical Resource Document

By Environmental Protection Agency

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Book Id: WPLBN0000000498
Format Type: PDF eBook
File Size: 0.6 MB
Reproduction Date: 2007

Title: Technical Resource Document  
Author: Environmental Protection Agency
Volume:
Language: English
Subject: Ecology, Natural resource issues, Environemtal protection
Collections: Environmental Awareness Library Collection
Historic
Publication Date:
Publisher: United States Environmental Protection Agency

Citation

APA MLA Chicago

Agency, E. P. (n.d.). Technical Resource Document. Retrieved from http://gutenberg.cc/


Description
Excerpt: This document was prepared by the U.S. Environmental Protection Agency (EPA). The mention of company or product names is not to be considered an endorsement by the U.S. Government or the EPA. This Technical Resource Document was distributed for review to the U.S. Department of the Interior's Bureau of Mines, the Western Governors Association, the Interstate Mining Compact Commission, the American Mining Congress, and Public Interest Groups. EPA is grateful to all individuals who took the time to review sections of this Technical Resource Document.

Table of Contents
TABLE OF CONTENTS Page DISCLAIMER AND ACKNOWLEDGEMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . i 1.0 MINING INDUSTRY PROFILE: URANIUM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.1 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1.2 ECONOMIC CHARACTERIZATION OF THE URANIUM INDUSTRY . . . . . . . . . . . . . . . . 2 1.3 ORE CHARACTERIZATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.3.1 Chemical Characterization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.3.2 Types of Uranium Deposits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 1.3.2.1 Stratabound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 1.3.2.2 Solution Breccia Pipes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 1.3.2.3 Vein Deposits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1.3.2.4 Phosphatic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 1.4 URANIUM MINING PRACTICES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.4.1 Extraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 1.4.1.1 Open Pit Mining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 1.4.1.2 Underground Mining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 1.4.2 Beneficiation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 1.4.2.1 Conventional Milling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 1.4.2.2 Solution Mining . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 1.5 EXTRACTION AND BENEFICIATION WASTES AND MATERIALS ASSOCIATED WITH URANIUM MINING OPERATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32 1.5.1 Extraction and Beneficiation Wastes and Materials . . . . . . . . . . . . . . . . . . . . . . . . . . 33 1.5.1.1 Waste Rock or Overburden . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 1.5.1.2 Mine Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33 1.5.1.3 Tailings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34 1.5.1.4 Bleed Solution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 1.5.1.5 Evaporation Pond Sludges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 1.5.1.6 Drilling Wastes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 1.5.1.7 Waste Ion Exchange Resins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 1.5.1.8 Reverse Osmosis Brines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 1.5.1.9 Acid/Alkaline Leaching, Solvent Extraction, Stripping and Precipitation Circuit Wastes and Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 1.5.2 Waste and Materials Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 1.5.2.1 Overburden, Waste Rock, and Ore . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37 1.5.2.2 Mine Pits and Underground Workings . . . .

 
 



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