Although more than 70% of our planet is covered by seas, two billion people—one-quarter of the world’s total population—do not have access to safe drinking water due to climate change, global conflicts, population growth and other factors.
Efforts made to date to provide access to clean drinking and utility water and agricultural irrigation water have fallen far short of the expected efficiency. Due to high energy and maintenance costs, they remain far from producing SAFE WATER of the desired quality and quantity.
Existing seawater treatment technologies have not yet demonstrated the potential to resolve the global water crisis. As technological developments advance and energy efficiency improves, the cost of seawater treatment plants is decreasing, allowing more countries to adopt this method. However, several challenges must still be overcome before seawater treatment technology can fully resolve the global water problem.
Seawater treatment technology brings with it environmental impacts such as energy consumption and wastewater management. In particular, discharging saline wastewater—which becomes further contaminated by the chemicals used during treatment—back into the sea damages marine ecosystems. For this reason, sustainable methods and technologies continue to be developed to minimise the environmental impact of treatment plants.
For seawater treatment technologies to provide a solution to the global water problem, sufficient investment must be made and the necessary infrastructure must be developed. International cooperation and financing models are being developed worldwide to improve developing countries’ access to this technology.
In conclusion, seawater treatment technologies have the potential to provide a significant solution to the global water crisis. However, efforts concerning sustainability, investment and infrastructure remain highly inadequate when it comes to minimising the environmental impact of these technologies and enabling developing countries to adopt them. Due to numerous factors—including existing technologies, investment costs, environmental damage and the poor quality of the water produced—seawater treatment technologies are still far from providing a more effective solution to the global water problem.
Two methods are generally used worldwide to convert seawater into clean utility and drinking water.
The reverse osmosis method separates salt and other contaminants by passing seawater through a semipermeable membrane under high pressure. Reverse osmosis systems require substantial investment because of their high energy consumption, use of chemicals, maintenance requirements and operating costs, while their waste causes significant environmental damage.
Furthermore, the quality of water produced through reverse osmosis is considerably lower than that of water obtained from freshwater sources. It is a technology that can be used when no other alternative is available.
The multi-stage flash distillation method involves heating seawater until it evaporates and then condensing the vapour to obtain fresh water. Despite its significantly higher energy consumption and operating costs compared with reverse osmosis systems, this method is more widely preferred in terms of water quality.
NATURE, HOWEVER, IS FILLED WITH PERFECT AND SUCCESSFUL MARVELS OF ENGINEERING. WE NEED ONLY KNOW HOW TO OBSERVE THEM: THERMODYNAMICS!
Inspired by nature and developed using techniques that are significantly different from comparable systems, our BAUER THERMODYNAMIC WATER PRODUCTION PROCESSES will provide:
“HIGH-QUALITY, CLEAN, RELIABLE, HYGIENIC AND HEALTHY WATER”
in sufficient quantities to meet the demand for clean drinking water, utility water and agricultural irrigation water produced from seawater, while also recovering salt and minerals—with low energy requirements and economical installation and operating costs.
Pre-treatment processes are applied during the production of clean and reliable drinking and utility water. These processes improve water quality and prepare the water for subsequent treatment stages. Pre-treatment operations include screening and coarse screening, grit removal, preliminary sedimentation and pre-oxidation. These processes help remove large particles and coarse contaminants from the water.
Physical and chemical water treatment is applied to remove finer contaminants and particles from the water. This process includes coagulation, flocculation, sedimentation and filtration. Coagulation and flocculation reduce the water’s colour, odour and turbidity, while sedimentation and filtration separate particles from the water.
During thermodynamic processes, all foreign substances and dissolved minerals are removed from the water, thereby purifying it. While the purified water is transferred to pools or storage tanks, salts, minerals and other substances removed from the water are collected in waste-storage tanks for recycling.
During mineral dosing, minerals are added to the purified water in the dosing unit according to its intended use—as drinking water, utility water or irrigation water—to achieve the required conductivity, hardness and pH levels.
As the mineralised water passes through the Vortex process, Anionic Oxygen is added to remove substances and bacteria that may be harmful to health and to sterilise the water. At the final stage, the water undergoes oxygenation or hydrogenation according to its intended use.
At the final stage of the water-production process, the quality of the resulting water is continuously controlled and monitored. This allows the effectiveness of the production processes to be evaluated and any necessary adjustments to be made.
Water-production quality control and monitoring processes involve measuring and analysing physical, chemical and microbiological parameters. These analyses help evaluate factors such as the water’s colour, odour, taste, pH level, hardness, salinity, microorganism count and contamination levels. The controls performed are essential for ensuring that the produced water complies with applicable legislation and standards and for protecting human and environmental health.
