Recycling by product massive number of types of plastic, they each carry a resin identification code, and must be sorted before they can be recycled. This can be costly; while metals can be sorted using electromagnets, no such 'easy sorting' capability exists for plastics. In addition to this, while labels do not need to be removed from bottles for recycling, lids are often made from a different kind of non-recyclable plastic. To help in identifying the materials in various plastic items, resin identification code numbers 1-6 have been assigned to six common kinds of recyclable plastic resins, with the number 7 indicating any
Gypsum Recycling International Gypsum Recycling International Gypsum Recycling International A/S (GRI) is a recycling company based in Nærum, Rudersdal Municipality, Denmark. GRI offers a system for the recycling of gypsum and plasterboard/drywall waste. The company started its operations in Denmark in 2001. It originated from the largest demolition company in Scandinavia and based on these experiences developed a unique gypsum recycling system. Within a few years, GRI increased the recycling rate for gypsum waste in Denmark up to a world record of 80%.5 The gypsum recycling system from GRI is a complete system with all the necessary elements for taking the waste from