Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand.
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Recycling concrete &building rubble is not only able to bring profit to investors, but also good for environment protection.
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By absorbing the advanced technology from the world, we researched and designed PF series impact crusher.…
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Base on the plentiful experience of producing and marketing of impact crusher, Sofol R&D institution…
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Sofol VSI Series vertical shaft impact crusher is designed by reputed German expert of Sofol and every…
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The pollutants which come directly in the air from sources are called primary pollutants. Primary pollutants. Which of the following belongs to secondary air pollutant
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Primary pollutants are directly emitted from fossil fuels, and also factories, These includes oxides of sulphur, carbon, methane. When the primary pollutants react with other components present in the atmosphere, secondary pollutants are formed. Smog, Peroxyacetyl nitrate are the examples of secondary air pollutants.
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The cause of tropospheric pollution is the presence of gaseous and solid air pollutants in the air in an excess quantity than desirable. It is primarily of two types Gaseous Air Pollutants – This category of air pollutants includes substances such as oxides of sulphur and nitrogen, hydrogen sulphide, hydrocarbons, ozone, oxides of carbon, and ...
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Moreover, some common examples of soil contaminants are asbestos, PCB's, lead, pesticide, and herbicide overdose and more. Thus, there is a need to manage these hazardous pollutants properly at all. Air Pollutants. The air we breathe these days is heavily polluted, more than ever. One of the major air contaminants.
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Primary Pollutants: Secondary Pollutants: These are radiated from the source itself: These are produced by the chemical reaction between primary pollutants and the elements of the atmosphere. In the atmosphere, these are found in the original state. These are not found in the original state. E.g: ash, smoke, radioactive compounds etc.
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Secondary air pollutants are produced photochemically from primary pollutants and are called photochemical oxidants. These occur in photochemical smog. Nitrogen oxides, oxygen and ketone bodies combine to form peroxy acyl nitrates or PAN, which is a major constituent of photochemical smog.
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Secondary Pollutant – Definition and Examples. Secondary pollutants are defined as the pollutants which form in the atmosphere. These secondary pollutants do not come directly from a source (like vehicles or power plants). It forms as a result of the pollutants the sources emit and reacting with the molecules in the atmosphere.
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O3. Secondary pollutant is an air pollutant that do not emit directly from the source but forms when primary pollutant reacts in the atmosphere. For example O3 and PAM forms when hydrocarbon reacts with nitrogen oxides in the presence of sunlight, smog forms when industrial or vehicle fumes reacts with sunlight in atmosphere.
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Give three examples. Secondary pollutants are those which are formed in the atmosphere by chemical interactions among primary pollutants and normal atmospheric constituents. The examples are : sulphur xide, nitrogen dioxide, PAN and PBN etc. Was this answer helpful? The pollutants which come directly in the air from sources are called ...
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A primary pollutant is an air pollutant emitted directly from a source. A secondary pollutant is not directly emitted as such, but forms when other pollutants (primary pollutants) react in the atmosphere. Examples of a secondary pollutant include ozone, which is formed when hydrocarbons (H C) and
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PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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