Voluminous post-life waste and production waste pose the paramount environmental problem of our times. One major problem is how to reuse post-life waste: spent plastics, rubber scrap, worn-out automobile tyres, waste paper and production waste; wood pulp or powder and particularly the waste arising in the production of fertiliser, phosphogypsum. We have been studying the re-use of these wastes as blends with virgin and recycled polymers. These novel polymer compositions can be used to make: • porous pipes intended for irrigation or fertilization. • vehicle parts in the automobile industry • tiles or flooring in the building industry • road safety and traffic control equipment • sound-absorbing screens along motorways • packing in biological wastewater treatment • biodegradable flower pots, buckets, fence elements and similar profiles.
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Kowalska et al. (2002) studied this question.
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