Category Archives: Waste Management

الاثار الضاره لرمي النفايات

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يعد رمي  النفايات خطر شائع يمكن للمرء ان يشهده في جميع المناطق الحضريه, حيث الشوارع و الارصفه و مواقف السيارات و الطرق السريعه اغلبها مغطاه باغلفه المواد الغذائيه و زجاجات المياه و المشروبات الغازيه و الاكياس البلاستيكيه و النشرات الدعائيه و اعقاب السجائر بالاضافه الى المناديل الصحيه و الاوراق و غيرها. 1.9 بليون طن ما يقدر سنويا من النفايات ينتهي بها المطاف في المحيطات , مما يدل بشكل واضح على ان الناس يميلون الى رمي الاشياء عشوائيا في اي مكان على القيام  برميها في صناديق القمامه. لايعد رمي هذه  القمامه مشكله جماليه فحسب و انما  مشكله بيئيه لها عواقب وخيمه … Continue reading →

What is Vermicomposting

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Vermicomposting is a type of composting in which certain species of earthworms are used to enhance the process of organic waste conversion and produce a better end-product. It is a mesophilic process utilizing microorganisms and earthworms. Earthworms feeds the organic waste materials and passes it through their digestive system and gives out in a granular form (cocoons) which is known as vermicompost. Simply speaking, vermicompost is earthworm excrement, called castings, which can improve biological, chemical, and physical properties of the soil. The chemical secretions in the earthworm’s digestive tract help break down soil and organic matter, so the castings contain … Continue reading →

Solid Waste Management Challenges in GCC

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The challenges posed by solid waste management to governments and communities are many and varied. In the GCC region, where most countries have considerably high per capita waste generation values, the scale of the waste management challenge faced by civic authorities is even bigger. Fast-paced industrial growth, recent construction boom, increasing population, rapid urbanisation, and vastly improved lifestyle coupled with unsustainable consumption patterns have all contributed to the growing waste crisis in the GCC. Among the GCC nations, United Arab Emirates has the highest municipal solid waste generation per capita of 2.2 kg (which is among the highest worldwide) followed … Continue reading →

The Problem of Used Lead-Acid Batteries

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Lead-acid batteries are widely used on a mass-scale in all parts of the world.  They act as power sources in a wide-range of equipment and appliances used by households, commerce and industry. Lead-acid batteries finds wide application in all modes of modern transport including cars, trucks, buses, boats, trains, rapid mass-transit systems, recreational vehicles etc. During power-cuts, lead-acid batteries provide emergency power for critical operations such as air-traffic control towers, hospitals, railroad crossings, military installations, submarines, and weapons systems. All automotive batteries and 95 percent of industrial batteries are lead-acid secondary cells. Harmful Impacts of Batteries Lead-acid batteries contain sulphuric acid … Continue reading →

Recycling of Aluminium Cans

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Aluminium is a soft, durable and lightweight metal, made from Bauxite ore, which is mined from the earth. Bauxite is converted into alumina, a fine white powder, which is then smelted at over 700°C to become aluminium, which is one of the versatile products universally being used by consumers in a number of applications. The process is expensive and uses huge resources, including energy and fuel. Making cans out of aluminium for storing soft drinks and juices is one of the commonly used phenomenons as it takes five tonnes of Bauxite to make just one tonne of aluminium cans. Many … Continue reading →