APPLICATION OF ECOLOGICAL INDEX FOR EVALUATING OF ENVIRONMENT NUISANCE AND RARITY OF ENERGY AND RAW MATERIALS

Subject Areas : Water and Environment

Mojtaba S.Rahbar ¹ , Shaham Anoosheh ²

1 - Chem. Eng. department, Engineering faculty, Imam Hussein University
2 - Chem. Eng. department, Engineering faculty, Imam Hussein University

Received: 2010-04-05 Accepted : 2010-11-21 Published : 2010-12-22

Keywords: nuisance, rarity, raw materials, Energy, rate of ecological saturation,

Abstract :

The interactions of any industrial process with its environment, are located either upstream due to the rarity of natural resources, or downstream due to the rejection of noxious byproducts. In this paper, the indexes were presented for illustration of environment nuisance as rate of ecological saturation, ecological points and factors. The anaysis results for different discharges of many industrial plants into environment show that rate or ecological saturation is more than one which demonstrates environment pollution by them. As an example, the inventory of the air, water and rejected solids pollutions during the production of one kilogramme of steel was presented Also, the rarity of raw materials and fossil energy reserves were shown by the relative indexes (criterion). Analysis of data shows that if the price of oil (or natural gas) increases, its exploitation can inerese and consequently, prevents the rarity of energy which depends on world economic condition and technology progress

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