الفهرس 
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Abstract
In recent years due to the lack of water resources in Egypt, remediation of wastewater become necessary. Also, the usage of low cost friendly safe for environment and easily available substances in this remediation is in demand. So, a laboratory experiment was carried out to evaluate wastewaters of five different sources for irrigation purposes and assesses natural ores i.e. zeolite, activated charcoal, calcium carbonate and bentonite in removing the contaminants from these wastewaters. The natural ores were added each separately at two different concentrations (1.0 and 2.0% ). Mixtures of wastewater and used natural ores were placed onto a rotary shaker at room temperature (20 ˚C), where each flask was prepared twice, the1st flask was shaken at 200rpm for one hour, while the 2nd flask was shaken at 200rpm for two hours. Thereafter, samples were filtered where the filtration was one day for the samples shaken for one hour only and two days for the samples shaken for two hours. The filtrate samples were chemically analyzed. The results obtained could be summarized as follows : - The wastewater of Belqas and Batra agricultural drainage water, Sewage water from Station of Mansoura city, disposed of water of Aga Factory for the production of food are valid for irrigation after remediation, while industrial wastewater discharged from Sandoub Oil and Soap Factory is not suitable for agricultural purposes. - The superior substance in removing pollutants was activated charcoal followed by zeolite then bentonite and lately calcium carbonate. - Using activated charcoal , zeolite , bentonite and calcium carbonate substances at the two different rates have a capacity for the remediation of wastewaters, but the concentration of 2.0% was more effective in removing than 1.0%. - Shaking for two hours was more effective in removing pollutants than one hour. - Activated charcoal and zeolite substances and maybe bentonite could relatively remediate the wastewater of Belqas and Batra agricultural drainage water, disposed of water of Aga Factory for the production of food and make them valid for irrigation purposes. On the other hand, although all studied substances removed contaminants from the wastewater of W3, W5, they cannot make them valid for irrigation purposes. - Sewage water of Station in Mansoura city may be required a high-cost method for treating, but industrial wastewater discharged from Sandoub Oil and Soap Factory still not suitable for agricultural purposes after remediation. So, it is not recommended for irrigation purposes completely by using studied materials. CONCLUSIO : This research presents an effective approach for contaminants removal in aqueous environments using natural ores. It was found that using activated charcoal and zeolite materials and maybe bentonite have a high efficiency for the treatment of wastewater, which has high concentrations of heavy metals and other contaminants; this efficiency increases with increasing the concentration used from these natural substances and shaking contacting time, moreover. In can be concluded that activated charcoal was effective in removing these studied pollutants more than other materials under conditions of experiment.