Woven Bulk Bag Recycling

Why Recycling Bulk Bags?
Currently, the PP material that bulk bags are made of is one of the most frequently used plastics for packaging. However, despite its prevalence and the fact that it can be melted and repurposed multiple times, it doesn’t often make it to recycling centers. Only about 1% of PP used worldwide is recycled, leaving the rest to landfills. The slow decomposition and incineration of PP harms the surrounding environment, releasing hazardous chemicals.
Reusing and recycling super sacks helps keep these harmful chemicals and plastics out of landfills and helps keep them circulating in manufacturing new products. It also benefits the environment in other ways. Manufacturing products from virgin materials call for a lot of energy consumption. By recycling PP and using it in blends, there is less of a need for those virgin plastics, which reduces energy use, sometimes by as much as 88%.
Lowering the need for virgin materials also helps conserve the finite resources used to manufacture PP plastics — namely, oil and propane gas. Recycled PP is versatile, making it suitable for use in manufacturing clothing and industrial fibers, containers, bins, dishware, speed humps, gardening tools and more.
Choosing to reuse and recycle bulk bags is essential to keeping PP and its chemicals out of landfills and reducing the amount of energy manufacturers use. By giving your bags a second life, you’re reducing the impacts of manufacturing on the environment and helping preserve resources.

How to recycling Bulk Bags?
Most modern bulk bags start as virgin PP plastic, made into woven fabric, then shaped or sewn to form bags. Because they are made almost entirely of plastic, the totes are fully recyclable and reusable. Not only do they last through multiple uses and environmental wear, but the PP material can be processed again and again without losing much structural integrity.

Once you can no longer reuse the totes, you can recycle bulk bags by sending them to the proper facility. The super sack recycling process includes several phases:
Collection: As with most recycling processes, the first stage is the collection of recyclable materials. The most cost-effective and easiest method of submitting bulk bags is in compacted bales. There are three grades by which the bags should be organized — namely, Grade A, B and C. Grade A bags include those that are clean and all white, except for colored stitching and handles. Grade B is classified as bags that are noticeably dirty but still mostly white with a little coloring. Grade C is all of the excessively dirty or colorful bags.
Sorting and cleaning: Since bulk totes serve a wide range of industries and uses, they need to be sorted into groups and thoroughly cleaned based on what they contained. Bulk bags are often used to hold materials that range from sand to fertilizer to hazardous chemicals, so proper cleaning is essential. During this phase, the recycling facility will also remove all zips and buttons.
Shredding: Once they have been cleaned and prepped, the bags go through a shredder, reducing them to small flakes of material. This phase makes the rest of the processes more manageable.
Separation: During this stage of the recycling process, machines separate the shredded bag material and sort it based on color, size, shape, melting point or light absorption. They also sort any impurities and contaminants out of the polymers.
Compounding: The final phase of the process is compounding, where the polymers are recombined. Extruders melt down the ground-up material at a high temperature of 240 degrees Celsius, creating pellets or granules of the plastic. These pellets are used in new products, such as clothing and playground equipment. To strengthen the mix, recyclers add virgin PP, sometimes totaling up to 50% of the blend.
While it is a technical process, experienced and equipped recycling companies will be able to complete it with relative ease. Since PP plastics are safe to recycle and don’t lose their properties during the process, they can be repurposed for new products time and time again.

Bulk Bags Recycling process:

 

What machines need to be used for recycling Bulk Bags?
WANROOETECH has woven bag recycling machines, such as woven bag shredder, woven bag agglomerator, woven bag washing line, woven bag squeeing dryer, woven bag pelletizer with compactor, rigid plastic granulator.

How to choose the proper machine you want?
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