الفهرس | Only 14 pages are availabe for public view |
Abstract The present study was planned to remove the environmental pollutant (phenol). The study was focused in many categories: 1. Determination of phenol in different samples of water as fresh water (River Nile) and industrial wastewater (sugar factory). 2. Determination of phenol in soil and plant samples that were collected around the investigated study. 3. Produce and characterized the activated carbon from some natural material (rice strew, orange peels, and zeolite) by using chemical activation process. 4. Remediation of water polluted with phenol using activated carbon that produced from different natural materials. 5. Remediation of water polluted with phenol using different natural materials under different condition (pH, temperature, time, and dose of adsorbents). 6. Removal the phenol from industrial wastewater (vinasse) using some different natural materials under the best conditions that have been studied previously. 7. Application of Langmuir equation. The obtained results could be summarized in the following points: 1. Phenol Contents in Raw Materials 1- The levels of phenols determined in studied industrial wastewater drains and River Nile water sample after mixing with industrial wastewater were higher than that of River Nile before mixing with industrial wastewater which served as control. 2- Although there was a decrease in concentration of phenol in River Nile before mixing with industrial wastewater as compared with after mixing with industrial wastewater, the level of phenol in River Nile before mixing with industrial wastewater was above critical ranges. 3- The concentration of phenol in sugar factory wastewater was higher than that of river Nile after mixing with Industrial wastewater + Waste of small boats. 4-4- Progressive accumulation of the phenol was observed in the soil samples that collected around the sugar factory compared with the soil samples far from sugar factory. 5- Progressive accumulation of the phenol was observed in the plant sample that collected around the sugar factory compared with the plant sample far from sugar factory. 2. Phenol adsorption from polluted water 1. Removal of phenol was observed using some of natural materials. 2. The efficiencies of natural materials in removing of phenols are very different. 3. Removal of phenol using some of natural materials at different condition is very different. 4. Removal of phenol using different natural materials was in the following increasing order: orange peels (86.54%) <Zeolite (92.18%) < rice strew (94.15%). 5. Removal of phenol using different weights of rice strew and zeolite was observed in the following increasing order: 1.0 g < 3.0 g < 5.0g 6. Removal of phenol using different weights of orange peels was observed in the following increasing order: 5.0 g < 1.0 g < 3.0 g. 7. Removal of phenol using different times of rice strews, zeolite and orange peels was observed in the following increasing order: 1 hr < 3 hr < 5 hr. 8. Removal of phenol using different temperature of orange peels was observed in the following increasing order: 45 °C < 35 °C <25°C. 9. Removals of phenol using different temperature of rice strew were observed in the following increasing order: 25°C<35°C< 45°C. 10. Removals of phenol using different temperature of zeolite were observed in the following increasing order: 45 °C < 25 °C < 35°C |