Restoration and Rehabilitation of the Desert Environment by N. Al-Awadhi

By N. Al-Awadhi

Those court cases include technical papers awarded on the Kuwait-Japan Symposium on recovery and Rehabilitation of the wasteland surroundings, which was once held in Kuwait on 3-4 March, 1996. Kuwait used to be chosen because the website for this fourth symposium as a result of its huge, immense desire for restoring and rehabilitating its wasteland surroundings, and due to the development which Kuwait and Japan were making jointly in those efforts at either pilot and field-scale degrees. Kuwait's wilderness land has lately suffered from one of many worst man-made failures of all time, having been polluted with gigantic quantities of oil from the approximately 7000 oil wells that have been destroyed through the Gulf warfare. the 3 issues for the symposium have been: remediation of the polluted soil; enhancement of the visible influence of greenery; and recycling of wastewater for rehabilitation reasons. the 1st subject used to be highlighted with shows at the KISR/PEC Oil-Lake Beds Remediation venture. the second one subject was once introduced with a broad-based dialogue on new techniques and possible choices for greening the wasteland and a precis of the Kuwait nationwide Greenery Plan that is now being ready. The 3rd subject matter featured shows on water source administration in Japan and in KISR's opposite Osmosis venture to make municipal wastewater recyclable for greenery use in densely populated parts. The ultimate consultation culminated in views and suggestions from either Kuwait and Japan and with a historic precis of the long-standing Kuwait/Japan Collaborative software.

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First, the temperature at which 10% of the oil volatilized was 300 to 400 C. Compared to temperature of approximately 2 3 0 63 100 C for Arabian Light which is a typical crude oil, this indicates that this oil has become quite heavy in nature. In addition, 50 to 60% of this oil was found to be saturated hydrocarbons which are relatively easy to treat, with the remainder consisting of asphalten and aromatics. 8% and a vanadium content of 52 ppm were also detected, indicating that combustion in boilers would create exhaust gas and corrosion problems.

3 Beac h simulato r syste m The system that simulates the intertidal shore consists of a plastic tank, a reservoir, and a level-controlling device (Fig. 1). Seawater in the reservoir was aerated by bubbling and temperature-controlled at 20 ° C. 5 m , filled with approximately 1 m of gravel (2-8 mm in diameter). Seawater filtered through layers of coarse and fine sand was continuously added to the reservoir at a flow rate of 60 L/hr. The level of seawater was adjusted by the level-controlling device.

7 Conductivity ND 5630 4640 3750 3240 ND = Not determined The results of chloride analysis indicated extremely high salinity concentrations in the oily sludge layer and to a lesser extent in the subsurface soil. Table 3 shows the results of sodium chloride and the equivalent salinity values( calculated as sodium chloride). scraping 0-20 20-40 40-60 60-80 Chlorid e % Equiv . Salinit y -% Mi n Ma x Min . Max . 3 The high salinity concentrations observed in the surface samples and to a less extent in the shallow soil layers is caused by the large volume of sea water used to extinguish the oil well fires after the liberation of Kuwait and the subsequent evaporation of this water.

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