“What is noteworthy in recycling in different countries recently is the turning of industrial structure into the reclamation industry using waste. In our country, too, the state interest in that matter increases, and last year witnessed the construction of the Ponghwa Polyester Fibre Factory,” said an official of the Ministry of Light Industry.
The factory uses plastic waste, including discarded plastic bottles, as raw materials.
It consists mainly of the plastic waste-based polyester fibre production line and cotton processing and quilt production lines.
The polyester fibre production line consists of pulverizing and washing, spinning and drawing processes.
The first process for fibre production is the pulverizing and washing one.
Plastic waste passes through a pulverizer, washer, centrifugal drier and oven drier to turn into raw material for fibre.
All the jobs are done by five cleaners.
“We are careful to prevent even the least alien substances from being mixed with pieces of plastic waste. Because they badly affect the quality of fibre,” said Pak Kum Hyang, a worker of the factory.
The raw materials sent to the spinning process go through the drier and extruder to turn into hollow polyester fibre bands.
According to senior engineer Ri Jong Min, the analysis of the fibre produced by the factory proved that the fibre made from transparent plastic bottles used once is the same as the imported in terms of indexes of fineness, lubricity, antistatic property, elasticity, flexibility and smoothness.
The hollow polyester fibre bands go through the drawing, crimping, cutting, dry moulding and carding machines to turn into polyester fibre cotton.
The factory uses the processed cotton to produce various cotton-padded quilts and mats.
It is now putting efforts into raising the quality of its products so that they are favoured by people.
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