Archive for March 27, 2009

Facts and figures about water and industry

Water is used by industry in a myriad of ways: for cleaning, heating and cooling; for generating steam; for transporting dissolved substances or particulates; as a raw material; as a solvent; and as a constituent part of the product itself (e.g. in the beverage industry).

water_industry

  • The water withdrawals for industry is:
  • World: 22% of total water use.
  • High-income countries: 59% of total water use.
  • Low-income countries: 8% of total water use.

Industries based on organic raw materials are the most significant contributors to the organic pollutant load with the food sector being the most important polluter. Read more

Facts and figures about water pollution

Water pollution has been defined as the presence in water of harmful and objectionable material – obtained from sewers, industrial wastes and rainwater run-off – in sufficient concentrations to make it unfit for use.

We have long used air, land and water resources as ‘sinks’ into which we dispose of the wastes we generate. These disposal practices leave most wastes inadequately treated, thereby causing pollution. This in turn affects precipitation, surface waters, and groundwater, as well as degrading ecosystems.

pollution

Pollution from agriculture, industry and domestic wastewater is making water resources, both surface water and groundwater, increasingly scarce and decreasingly poor in quality.
Read more