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Questions and Answers
What is the primary source of Recv.ded Polyester?
What is the primary source of Recv.ded Polyester?
- Silkworm cocoons
- Waste pineapple leaves
- Non-reusable plastic bottles from the ocean (correct)
- Natural cotton fields
Which method is employed in organic cotton production to enhance soil nutrients?
Which method is employed in organic cotton production to enhance soil nutrients?
- Monoculture planting
- Companion planting (correct)
- Chemical pest control
- Use of synthetic fertilizers
What by-product is used to create Cu pro?
What by-product is used to create Cu pro?
- Waste fibres from the cotton harvest (correct)
- Plastic bottles
- Silkworm cocoons
- Pineapple leaves
Which of the following materials is biodegradable and made from plant-based materials?
Which of the following materials is biodegradable and made from plant-based materials?
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What is the primary use of the waste from the pineapple industry?
What is the primary use of the waste from the pineapple industry?
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Study Notes
Recycled Polyester
- Originates from non-reusable PET bottles found in oceans, offering a solution to ocean waste.
- PET is derived from crude oil, linking it to petroleum industry practices.
Organic Cotton
- Cultivated in rain-fed fields using natural pesticides through "companion planting" techniques to control pests.
- Employs "crop rotation" to enrich soil nutrients, allowing for natural fertilization of cotton fields.
Organic Silk
- Minimal use of pesticides and chemicals in the extraction of silk filaments.
- Requires extensive Mulberry woodland; silkworms naturally emerge from cocoons, supporting sustainable life cycles.
Pinatex
- Created from pineapple leaves, which are often discarded by the pineapple industry.
- Approximately 40,000 tons of pineapple leaves are wasted annually; 16 pineapple plants (480 leaves) yield 1m² of Pinatex material.
Cupro
- A regenerated cellulose fiber produced from cotton linter, a by-product of cotton harvesting.
- Similar in characteristics to rayon, Cupro is breathable, biodegradable (within 2 months), and made from 100% plant-based materials.
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