Production of Sand Polymer

Sand Polymer

Wastes generally render our environment unfriendly and the worst of them all are those wastes that are non-biodegradable. Polythene unlike paper bags do not undergo degradation because of their chemical nature but paper products are biological in nature. The non-biodegradable synthetic polyethylene (polythene), which does not decay, decompose or corrode, and which when burnt, produces oxides of carbon, nitrogen and Sulphur which can harm man and the environment.



Wastes of these forms (non-biodegradable) pose a serious threat to our environment through the blockage of drains, suffocating some animal life who accidentally take them as food, grounds impermeable to water and several other hazards. Generally, pollution affects not only the polluters but also the non- polluters, that is, it has external effects (externality) on those who are not responsible for the pollution. This is because burning the packaging lowers the quality of the air that both the consumers and non-consumers breathe in, gives off stench, and causes harm through the release of toxic gases and smoke.


Shredded Plastics

The project is aimed at the recycling of water sachet for the production sand polymer interlocks as it is the largest source of wastes polythene in the environment.


Air Transmission

The need then arises for finding a safe means of converting these plastic waste products into other useful and harmless items.
The method adopted involves the polythene bags were collected from trenches, drainages, streets, dump sites and from eateries around the Coast of Ghana Capital, Accra. These were sorted and washed before the Shredding Process was carried. Melting of the Shredded Plastics, sand was introduced and poured into a mold for solidification.


Sand Polymer Interlock

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It could be shown from the crushing test that the cement interlock fails under slight heavier loads of 40KN as comparable to the 105kN failure load of the sand polymer interlock. However, the water absorption test has no effect on the sand polymer interlock. Hence, the performances of the sand polymer interlock that it has high ductility than that of the commercial cement interlock appear a reasonably good substitute at more reasonable rate.