Consider the following statements:
1. Bio-bitumen can be used in constructions of roads with lower carbon footprint.
2. It is a type of asphalt mixture that is made with lignins from various waste streams.

Which of the statements given above are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 and 2

Question

Consider the following statements:
1. Bio-bitumen can be used in constructions of roads with lower carbon footprint.
2. It is a type of asphalt mixture that is made with lignins from various waste streams.

Which of the statements given above are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 and 2

ONLiNE UPSC · Accepted Answer

Overview: Bio-bitumen is a petroleum-free alternative to bitumen, or asphalt, as it&rsquo;s known in the USA. It&rsquo;s made using non-petroleum-based renewable resources and can be made from vegetable oils, synthetic polymers, or both, making it a more sustainable model long term. The use of non-petroleum alternatives has increased since 2003 due to concerns about Peak oil, pollution, and climate change.

Statement 1 is correct: Bio-bitumen is a sustainable alternative to traditional asphalt. It&rsquo;s made from waste materials and other natural products, and it&rsquo;s designed to lower the carbon footprint of road construction. There are many benefits to using bio-bitumen over traditional fossil-based bitumen.

Statement 2 is correct:Bio-bitumen is a type of asphalt mixture that is made with lignins from various waste streams. Lignins are polymeric biopolymers that can be found in the cell walls of plants. They provide structure to the plant and help it grow. When these lignins are blended with other polymers, such as bitumen and sulfur, they form a binding agent that can be used in asphalt. This is called bio-asphalt or bio-bitumen, and it has many benefits over conventional asphalt.

Bio-bitumen in Road Construction

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M Question 1	⏱ 0
Consider the following statements: 1. Bio-bitumen can be used in constructions of roads with lower carbon footprint. 2. It is a type of asphalt mixture that is made with lignins from various waste streams. Which of the statements given above are correct? (a) 1 only (b) 2 only (c) Both 1 and 2 (d) Neither 1 and 2