Archive | Sewage

Characteristics of Sewage: 3 Characteristics | Waste Management

The characteristics of sewage are classified under the following three heads: 1. Physical Characteristics 2. Chemical Characteristics 3. Biological Characteristics. The physical characteristics are related to the physical properties of sewage. The chemical characteristics are related to the chemical constituents of sewage. The biological characteristics are related to the biological constituents of sewage. The physical properties and the chemical and [...]

By |2018-04-16T15:21:19+05:30April 16, 2018|Sewage|Comments Off on Characteristics of Sewage: 3 Characteristics | Waste Management
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Decomposition of Sewage | Waste Management

The organic matter in sewage consists of urea from urine, proteins, carbohydrates, fats and oils and soaps. These are normally composed of a combination of carbon, hydrogen and oxygen, together with nitrogen in some cases. Other important elements, such as sulphur, phosphorus, and iron, may also be present. The organic matter present in sewage is unstable and decomposes readily through [...]

By |2018-04-16T15:21:18+05:30April 16, 2018|Sewage|Comments Off on Decomposition of Sewage | Waste Management
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How to Analyse Sewage? | Waste Management

The principal types of analysis required in the treatment of sewage are: (A) Physical Analysis (B) Chemical Analysis (C) Bacteriological (or Biological) Analysis. (A) Physical Analysis: This includes tests for determining physical characteristics of sewage viz., colour, odour, temperature, turbidity and total solids content. The tests for determining total solids, volatile and fixed as well as suspended dissolved and settleable [...]

By |2018-04-16T15:21:16+05:30April 16, 2018|Sewage|Comments Off on How to Analyse Sewage? | Waste Management
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