Spent coffee seeds as an adsorbent for the removal of heavy metals

Heavy metals are elements that have a density ranging between 3.5 g/cm3 to above 7 g/cm3. These heavy metals have a long half-life and they are non-biodegradable. Membrane filtration, chemical precipitation, adsorption, electro-coagulation, chelation, inverse osmosis and ion exchange are some of the methods to remove heavy metals from raw water. However, the preferred methodology for the removal of […]

How Much Water Should I Drink Daily?

It is established by scientific research that whenever the body (through its nervous system) send the signal of thirst through the brain to the throat, the body is really dehydrated and needs water. It follows that a consistent pattern of habitual drinking of water should be cultivated. The human body weight consists about 60-70 percent […]

Practicing Effective Irrigation on Farmlands

Water is an important determinant in the growth of plants or crops. The phenomenon which explains the conversion of water and carbon dioxide into food using the light energy from sun is Photosynthesis. Irrigation, a bail-out from erratic or little rainfall, is an artificial or man-made system of water application to farmland to meet crops […]

Water and Health

Many healthy living tips and parameters are being prescribed all around the globe. It appears, however, that many of these have emphasized certain practices, downplaying what comes into our body – water, especially. Living organisms depend on water than they acknowledge. The survival of plants and animals – also the sustainability of the environment – […]

Industrial Uses: Competitor with Drinking Water

The domestic use of water includes cooking, drinking, bathing and washing. In this age, this only amounts to a fraction of daily water use. There are  other needs and purposes which our waters serve us. For instance, there is a volume of water required to convey a vessel or a large ship. We conclude that the […]

How safe can a bottle water be?

Plastics, polythenes and glasses consist of chains of hydrocarbons, and some other resources from the family of Petroleum tightly joined together, never letting go. Their chemical property and relative availability and cheapness make them suitable choice as containers and packages. Sachets, bottles, carboys and jars are designed to hold drinking water to meet the demand […]

Africa and Water Borne Diseases: Any Way Out?

Although we associate certain diseases with undeveloped nations, the truth is that none can be totally immune to water borne diseases. With no country as an exception, four-fifths of diseases on African soil are water borne and has led to the death of many. In 2009, the number of death from diarrhea is two (2) […]