choice, see notes

p Waste Disposal

Introduction

A garbage disposal or garburator (Canadian English ) or waste disposal unit (English ) is an electrically powered device installed under a kitchen sink between the sink 's drain and the trap . It shreds food waste into very small pieces so that they can be passed through the plumbing without clogging . Also called a food waste disposal , they are sold in North America under brand names like "Waste King " and "In-Sink-Erator the largest manufacturer of garbage disposals in North America . In Europe , they have some appeal and more are

being installed in modern developments . There are , however , strict regulations on their installation and use in many countries . Some effluent disposal systems are not suitable for use with a kitchen waste disposal unit

Factors that had made this a problem

The disposal of garbage in the world is a problem that continues to grow with the development of industrialized nations and the growth of population . Since the beginning of time people have needed to find a way of disposing of their trash . In 18th century England and France Carter 's were paid by individuals to carry trash and discard it on the outskirts of town . Disposal in open pits became routine and Benjamin Franklin initiated the first municipal cleaning program in Philadelphia in 1757 . Since then we have come a long way and have developed types of waste that cannot simply be dumped into a hole

Since people are continuing to live in varieties of ways and means firms and many other establishments are producing variety of goods and products to accommodate the needs of every individual . People work in to live . Thus to continue living , we must eat and be healthy . Such products that we take in have waste materials like can goods , junk foods , and others that are said to be non-biodegradable garbage . With this , the more we live , the more waste and garbage 's we produce for thousands of generations and at this very moment has become one of the biggest problems in the entire world

TYPES OF WASTE

Waste can be divided into many different types . The most common methods of classification is by their physical , chemical and biological characteristics . One important classification is by their consistency Solid wastes are waste materials that contain less than 70 water . This class includes such materials as household garbage , some industrial wastes , some mining wastes , and oilfield wastes such as drill cuttings Liquid wastes are usually wastewater 's that contain less than 1 solids Such wastes may contain high concentrations of dissolved salts and metals . Sludge is a class of waste between liquid and solid . They usually contain between 3 and 25 solids , while the rest of the material is water dissolved materials

Waste Treatment

There are a variety of waste treatment technologies . The long established method of waste treatment is simply landfill . Other technologies include composting and recycling . There are also a number of new and emerging waste treatment technologies , which are able to treat a variety...