The effects of asphalt components on the human body - PowerPoint PPT Presentation

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The effects of asphalt components on the human body

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Coal tar is a by-product of carbonization of coal and is a liquid or semi-solid substance. Coal tar was once used for road pavement, but it is currently replaced by asphalt and concrete pavement. Coal tar contains more than 300 kinds of aromatic compounds such as benzene, carbonic acid, and cresol, among which carcinogenic substances are said to be contained. In particular, benzo (a) pyrene is a relatively large amount of carcinogens contained in coal tar, and when it is taken into the body, a large amount of active oxygen is generated. Active oxygen is necessary for the body. However, if the amount is too large, it has the effect of damaging clean cells, which leads to carcinogenesis.  I tried to summarize the difference between such coal tar and asphalt. standar pae – PowerPoint PPT presentation

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Title: The effects of asphalt components on the human body


1
The effects of asphalt components on the human
body
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2
What I discuss in this section
  1. How is asphalt made?
  2. The ingredients contained in asphalt and their
    effects on the human body?
  3. The difference with coal tar used for road
    pavement
  4. Raw materials and main components
  5. Current main usage
  6. Four merits to recommend asphalt pavement
  7. Summary
  8. My company introduction
  9. Our services
  10. How we can be found.

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How is asphalt made?
  • There are two major types of asphalt natural
    asphalt and petroleum asphalt. Natural asphalt
    has been used mainly as an adhesive and
    waterproofing material since ancient times and is
    produced in various forms, such as being soaked
    in stone and sand. There are also asphalt lakes
    in the world, and the largest natural asphalt
    lake Pitch Lake is famous as a lake that has
    been asphalted rather than water.
  • Petroleum asphalt, on the other hand, changes
    depending on the manufacturing method and raw
    materials, but modified asphalt, etc., in which
    the polymer is mixed with straight asphalt to
    improve durability, is used on many roads

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The ingredients contained in asphalt and their
effects on the human body
  • I think Ive seen where Im paving asphalt, but
    when I pass near it I think that the smoke of
    asphalt comes out and I care about the peculiar
    smell. Although this smoke seems to be harmful to
    the body at first glance, its actual identity is
    the water vapor that has evaporated the water
    that cools the asphalt. Also, the smell of wet
    asphalt is unique on a rainy day, but it is said
    that the smell is not the smell of asphalt
    itself, but the smell of dirt and dust adhering
    to the road. It can be said that the smell of
    asphalt does not adversely affect the human body.
    So what is the composition of the asphalt itself?
  • The main components of asphalt, oils such as
    paraffin and naphthenic..

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The difference with coal tar used for road
pavement
  • Coal tar is a by-product of carbonization of coal
    and is a liquid or semi-solid substance. Coal tar
    was once used for road pavement, but it is
    currently replaced by asphalt and concrete
    pavement.  Coal tar contains more than 300 kinds
    of aromatic compounds such as benzene, carbonic
    acid, and cresol, among which carcinogenic
    substances are said to be contained. In
    particular, benzo (a) pyrene is a relatively
    large amount of carcinogens contained in coal
    tar, and when it is taken into the body, a large
    amount of active oxygen is generated.  Active
    oxygen is necessary for the body. However, if the
    amount is too large, it has the effect of
    damaging clean cells, which leads to
    carcinogenesis.
  • I tried to summarize the difference between such
    coal tar and asphalt.

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Raw materials and main components
  • Asphalt is produced by distillation residue from
    crude oil and contains hydrocarbons as its main
    component.
  • Coal tar is produced by carbonization of coal and
    contains more than 300 aromatic compounds such as
    benzene, carbonic acid, and cresol.

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Current main usage
  • Asphalt is used directly on the roof, for road
    pavements, parking lots, and waterproofing
    purposes.
  • Coal tar is used indirectly by taking out
    ingredients like synthetic fragrances for food,
    cosmetics, raw materials for fragrances and
    insect repellents.

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Four merits to recommend asphalt pavement
  • When making a parking lot, it is better to use
    asphalt than other pavement methods. Lets
    introduce it.
  • 1 There is an affordable cost.
  • 2 Soft and flexible, reduce the noise of the
    car.
  • 3 Since it will be completely solidified when
    paved and cooled, the work days can be shortened.
  • 4 There is less carcinogenic substance than coal
    tar and it is safe.

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Summary
  • What did you think? This time, I have introduced
    the ingredients of asphalt and the effects on
    people.
  • You may have to consider the impact on the human
    body from the smoke and unique oil odor when
    paving asphalt.
  • However, it turned out that asphalt is safe
    because it does not contain negative effects.
    Asphalt that is often used in parking lots and
    roads.

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Standard Paving Inc.From roadway to driveway
WHO ARE WE
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Our Introduction
  • Standard Paving Inc. is one of the most famous
    pavers in Virginia. We have been providing our
    services for last 3 decades. We are experts in
    expedited repair as well as renewal of your of
    current parking lots. We have done many projects
    based on replacing parking lots and to repair
    damaged roads. We have also made a number of
    private roadways and commercial roads.

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Our Services
  • Commercial Roads
  • Parking Lots
  • Parking Lots Repair
  • Private Roadway
  • Striping

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Why Choose us ?
  • Professional
  • Free Estimate
  • Employment
  • Asphalt Paving
  • Tar and Chip

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Website www.standardpavinginc.comPhone Number
844 266 7283physical address 8803
Sudley Road, Suite 206 Manassas, VA , USA
  • How we can be found?

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