Gypsum

 Processing, Manufacturing, Equipments, Mining, Products and Uses, Companies in the Field, Reports, Markets
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Project Profile @ a Glance
  • Gypsum is a very soft mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO42H2O
  • It is a by-product of phosphate which is used as fertilizer. 
  • This gypsum must be hauled from the phosphate field for further processing into wallboard.
  • Gypsum contains the plant nutrients sulfate and calcium, both of which may be deficient in sandy soils.
  • Technically speaking, gypsum is a naturally occurring hydrated salt of calcium and sulfate (CaSO4-2H2O).
  • Practically speaking, gypsum has uses beyond most people's imagination.
  • Gypsum is an abundant mineral that was formed millions of years ago due to evaporation of shallow seas.
  • Gypsum is generally found underground near deposits of limestone or other minerals formed by evaporation. 
  • One of the most common forms of raw gypsum is a pure white crystal called alabaster. 
  • Another form of unprocessed gypsum forms in desert terrain and its crystals resemble the petals of a flower. 
  • For this reason, many people refer to this form of calcium sulphate as the 'desert rose'.
  • Gypsum is typically mined in an open pit quarry.  The process used to mine gypsum is very similar to that used in many other rock quarries.
  • First the exposed gypsum is fractured by drilling and blasting. The fractured gypsum is then loaded onto trucks and transported to a processing plant.
  • At the processing plant, the large gypsum ore is reduced in size by passing it through a large crusher.
  • Crushing the ore generates a mixture of smaller rocks that can be cleaned and sorted by size. 
  • Sorting is accomplished by passing the gypsum through a series of vibrating screens. 
  • Sorted rock is then loaded for distribution to be further processed by the end user.
  • Once a gypsum mine has been depleted of all of its ore, the mine is then "reclaimed". 
  • This process involves returning the land to a state that is better than it was before the gypsum was removed. 
  • Harrison Gypsum Co. takes pride in its reclamation efforts, and is committed to returning mine sites to a state of usefulness.
  • In 2000, gypsum output was 
    more than 25 million tons, and was valued at $175 million. 
  • The top producing US states were Oklahoma, California,  Iowa, Texas, Nevada, Michigan, and New Mexico. 
  • These states accounted for 75% of the total output. 
  • The top three gypsum producing countries are were the United States, Australia, and Canada.
  • The Asian market for gypsum and anhydrite continues to drive demand, with 36% of total world consumption and a growing demand of 3% per year. 
  • Demand for gypsum has grown along with the booming housing market. About 60 percent of customers are residential builders, the rest are commercial builders

General
  • Calcium Sulfate
  • Gypsum 2005
  • Environment Responsibility
  • Minerals in Sedimentary Systems
  • Gypsum Commodity Specialist
  • Gypsum
  • USA Minerals
  • Gypsum Profile
  • Encyclopedia
  • Gypsum and Anhydrite
  • Gypsum - Product Description
  • Comparison - lime_gypsum
  • Gypsum Speleothems
  • Gypsum Varieties
  • About gypsum - history & use
  • Origin & uses

Properties

  • Thermal Expansion of Gypsum
  • Stone like Appearance
  • Basic Properties of FGD Gypsum
  • Morphometric Characterization

Processes

  • Dehydration Mechanism
  • Gypsum Technology
  • Phosphogypsum Processing
  • Competence_in_gypsum
  • FGD-Gypsum-Dewatering system
  • Gypsum Recycling
  • Manufacturing Process
  • Processing Technology
  • Gypsum Manufacturing
  • Manufacturing - Economic Census
  • Gypsum Wallboard - Recycling & Marketing
  • Gypsum Wallboard Recycling &Reuse
  • Gypsum mining and manufacturing processes
  • Calcination of Gypsum Plaster board
  • Dewatering of Gypsum
  • Gypsum Stacking
  • Project - Gypsum Stack
Equipments
  • Railroad Tankers
  • RimCraft Gypsum Processing Equipment
  • Machinery & Equipment
  • Alpha Gypsum Technology

Products

  • Gypsum Board
  • Water Damage - Gypsum Board
  • Gypsum Board
  • Gypsum Board & Finishing Products
  • Recommended Levels - Gypsum Board
  • Gypsum Based Casting System
  • SH Gypsum Panels
  • Gypsum Fiber Panels
  • US Gypsum Products
  • Gypsum Plasterboard
  • Gypsum Plasterboard Products
  • Gypsum Sheathing
  • Gypsum Panel Products
  • White Gypsum Cement
  • Gypsum Concrete
  • Gypsum Roof - Repair Pictures

Gypsum Mines

  • Italian Mines
  • Bharru Mines
  • Consultants
  • Dhandra Mines
  • Kaoni Mines
  • Karnisar Mines
  • Kavas Mines
  • Mohangarh Mines
  • Raghunathpura Mines
  • Mining in TamilNadu
  • Uttarlai Mines
  • Brunswick's Gypsum
  • Gypsum Trays - Mexico
  • Gypsum Mining in Cumbria

Uses

  • Agriculture
  • End Use Statistics
  • Fire Resistance
  • Application & Finishing
  • Veneer Plaster
  • Applications of Gypsum
  • Agricultural Gypsum Substitute
  • Gypsum for Agri use in Ohio
  • Organic Crop Production
  • Use on Turfgrass
  • Gypsum for Fire Control

Regulatory Issues

  • MSDS - Gypsum Rock
  • Mineral Planning Fact Sheet
  • MSDS - Gypsum Board
  • Manufacturing Facilities - fact sheet
  • Canadian by-product gypsum standards
  • Regulations
  • Gypsum Mining Income Tax Act
  • Mining Approvals

Companies

  • Mineral Industry in India
  • Small Scale Mining in India
  • FAGMIL
  • US Gypsum Company
  • US Project Profile
  • American Gypsum
  • Harrison Gypsum Company
  • Harison Jaw Crusher
  • Gypsum Technologies Inc
  • PABCO Gypsum
  • Terms & Conditions of Sales - NGCompany
  • Eagle Materials
  • Guangzhou Evergreen Gypsum Co.Ltd
  • India Gypsum

Reports

  • Brochure
  • Application Study - Silo Level Detection
  • Application Technology Study
  • National Mineral Development Corporation
  • Industry Reports - Gypsum
  • Gypsum Market Research Reports
  • Gypsum Information at Business_com

Market

  • Industrial Plasters
  • Gypsum Products - North America
  • Gypsum Statistics
  • Gypsum & Anhydrite Market
  • Market - FGD Gypsum
  • World Production
  • International Gypsum & Anhydrite Market
  • Gypsum Products Trade Data - US
  • Gypsum production & use 2004
  • Gypsum Production & use 2006
  • where to get statistics?

Import / Export

  • Gypsum Board - Buying Leads
  • Trade Leads
  • Gypsum Buy Offers
  • Exporter of Gypsum Plaster Products - Turkey
  • Indian Traders
  • Exporters
  • Phospho Gypsum
  • MNC Network

 

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