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What happens to the waste that is not placed in a recycling bin? In most waste management procedures the mixed material is placed on a conveyor belt for pre-sorting. Firstly, materials that can’t be recycled are removed by hand. This can include metals, carpets, concrete blocks and even large plastic sheets. Anything that could create damage if they are allowed to remain in the mix. Cardboard is also removed, but there…

In many instances, the plastic bag manufacturing process today often combines recyclable bags as part of their development. But whether recycled bags are used are not, there are some fundamental methods that still apply. The plastic bags we use everyday are usually made from granules of linear low-density polyethylene (LLDPE) resin that is combined with low-density polyethylene (LDPE) in a mixer. The result is a perfectly homogeneous composition of blended…