Water is a vital resource, but only 3% of water on our planet is fresh. Of these reserves just
10% can be exploited economically. It is estimated that 1.1 billion people lack accesses to
clean drinking water and there is a water shortage in already 30 countries. Water is the most
vital raw material in the 21st century. Accordingly a secure water supply is regarded as one of the important global objectives for the coming years. Much of the ill-health which affects humanity especially in the developing countries can be traced to lack of safe and wholesome water supply. Water which is easily accessible, adequate in quantity, free from contamination, safe readily available throughout the year, there can be no state of positive health and wellbeing without safe water. Water is not only a vital environment factor to all forms of life, but it is also a great role to play in socioeconomic development of human population.
The cost of treated water makes most people in rural community’s to resort to readily available sources which are normally of low quality exposing them to waterborne diseases. Chemical coagulants like ammonium sulphate which used in treatment plant for purification process but the extensive use can cause problems and it is costlier and to overcome these problems it is necessary to increase the use of natural coagulants. There are different types of natural coagulants, among them one of the natural coagulant is Moringa oleifera.
It is in this light that project is carrying out to confirm the effectiveness of powder extracted from mature dried Moringa oleifera seeds which is commonly available in most rural areas. Model turbid water was treated by coagulation, flocculation and sedimentation with Moringa oleifera seeds powder as a coagulant, using jar tests. The quality of water is analyzed and compared with that of the water with alum. Experiments were conducted at various dosages. To evaluate the antimicrobial activity and efficiency of a natural absorbent from Moringa oleifera seeds in treating water by physicochemical methods. Turbidity, pH, alkalinity, jar test, conductivity, chlorides and total coliform test was performed. The specific objectives of the project is to establish the best dose of powder Moringa oleifera seeds that best removes different parameters from water and to compare between the Moringa seed powder and the selected commercial sold water treatment chemicals.
Moringa oleifera works as a coagulant due to the positive charge, water soluble proteins which bind with negatively charges particles allowing the formation of flocks to settle to the bottom or be removed by filtration sand and it is accepted that treatment with Moringa oleifera seed solution will remove 90-99% of impurities in water. The project confirms that bacteria can be removed by treating water with Moringa Oleifera.
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