Business Green: Spanish paper firm SAICA has announced it will build one of Europe’s largest paper recycling mills at a site near Manchester. Construction work on the £290m development will start later this year, and the plant is expected to begin operating from February 2012. The company said that when fully operational, the plant will produce approximately 400,000 tonnes of recycled paper a year, which will be used to manufacture recycled corrugated boxes. It added that its new …