Mon | Dec 11, 2023

From trash to cash

Published:Friday | October 21, 2016 | 12:00 AM
Yoichi Ishii, section manager of Corelex San-Ei Regulator Tokyo Mill, one of Japan's major manufacturers of toilet paper explains the use of the raw materials.
Train tickets are being used for more than a ride.
How many milk cartons make one toilet roll? asks Yoichi Ishii, section manager of Corelex San-Ei Regulator Tokyo Mill...the answer might surprise you.
Floppy disc centers, clips, pins and the other materials left over after fibre is extracted, at Corelex San-Ei Regulator Tokyo Mill. Kawasaki city

How many milk cartons does it take to make a roll of toilet paper,? asked Yoichi Ishii, section manager of Corelex San-Ei Regulator Tokyo Mill, the answers were way off the mark ranging from 25 to 75.
"Five," Ishii said, as he tore a section of the carton, revealing the fibrous core ... but wait, milk carton and toilet paper ...?
The answer is recycling, which is core and critical to the value chain of sustainable living, and also a way of life in Japan, and the city of Kawasaki, south of Tokyo, has given sustainable living a new meaning.
At the Corelex factory, there is more to this story - trucks of discarded documents, cardboard boxes, paper from recycling plants are delivered every day.
"We get a lot of discarded confidential documents in sealed cardboard boxes," informed Ishii. "These boxes are immediately soaked in water."
After one or two days, the paper becomes pulp, and the metallic parts - clips, binders, stapler pins and plastic from the file covers are separated by centrifugal force.
Every material finds use as an end product.
"The metal is sold as recyclables, the plastic is burnt to dry the soaked paper and the ash is collected and sold to the cement factories as raw material," Ishii informed.
While the documents come free of cost, the train companies send their stock of used ticket stubs to Corelex.
"They (the train companies) are very keen on recycling," he said. "And they pay for this service."
On an average, Ishii said, 1,000 to 2,000 tickets make one roll.
The section manager said that the manufacturing process is one of ingenuity, trial and error, and perfecting the art of this process.
"All the machines in the factory have been made by us," he said. "We learnt from our experience, imperfections and failures to build an efficient system."
Japanese take pride in what they do, and put their heart and soul in it. The factory floors are pristine and clean, there is attention to detail, right from how the hard hats, cleaning material and uniforms are stored, to the production line.
The core manufacturing facilities are housed on the third floor of the factory. "This is to prevent large scale damage in case a Tsunami hits," Ishii said.
Every step of the process is automated to the optimum, and these processes are supervised electronically and personnel on the shop floor.
The pulp is mixed, processed, dried, and rolled, passed via a conveyer belt to be put in tubes, cut to the required size and packaged for shipment. A set of robots are employed to sort the bulk packages according to their brands.
"We started using robots to increase the efficiency," Ishii said.
Corelex produces 1.2 million rolls per day made from 100 per cent waste and recycled paper. "The product is environmentally friendly and also costs less than toilet papers made from pulp," Ishii said.
Average retail price for Corelex toilet paper is 200 Yen (J$247 approx.) compared to 350 - 400 Yen for one made from pure pulp (J$432 - J$495 approx.).
Ishii is proud of what the company has achieved, and said it is their mission to cut emissions and affluent to zero, which is enshrined in a metal that sits on top of a fish tank at the entrance of the facility. "The tank is fed with recycled water, and if fish can live and thrive in it, we can create and sustain life, for us and for generations to come," Ishii said.
The visit to Japan is part of 'Pacific Islands and Caribbean Journalists' Program' organised by the Tokyo-based Association for Promotion of International Cooperation with support from Foreign Press Centre, Japan.