electric wastewater treatment system Applications
In nearly all industrial areas steam is needed for different aims e.g. steam for process side, heating purpose or the generation of electricity. To reach the best efficiency of the boiler system an optimal boiler water treatment is essential. Disturbances in boilers caused by deposits, scaling, corrosion, local overheating or carryover into the steam reduce the operating safety and could lead to tremendous economic damages. Kurita delivers innovative technologies to prevent scale and corrosion in the whole boiler system - feed water tank, boiler, steam and condensate system.
By Kurita based in Ludwigshafen, GERMANY.
The power generation sector is the largest industrial user of water in the world, with a need for enormous volumes of water for cooling and ultrapure water to supply boiler systems. Investment in water treatment technologies for this sector is worth $2.1 billion. Rapid industrialisation and economic growth in South East Asia and Sub-Saharan Africa is increasing demand for electricity, requiring significant investment in water technologies. Environmental regulation will push for increased treatment of scrubber wastewater and solutions to reduce the burden that cooling places on the local environment.
By Global Water Intelligence (GWI) based in Oxford, UNITED KINGDOM.
The process of electricity generation from fossil fuels such as coal, oil and natural gas is water-intensive. Between 40-50% of all water abstracted and used in developed countries is used in the generation of electricity. Thus, a reliable, abundant and predictable source of raw water supply to a power plant is a critical factor in site selection. Water supplies are required to provide various process waters for the following essential main purposes such as make-up water, cooling water for steam turbine condensers, and auxiliary plant cooling water.
The primary application of modern water treatment technology is to maintain the integrity and performance of the power plant. Critical plant applications have water purity or conditioning requirements that must be adhered to for safe, reliable and efficient power generation.
Experience has shown that integration of water technology treatments with power plant design can be very important in reducing operational problems and component failures
At power plant worldwide there are increasing limitations on water availability and environmental restrictions on discharges. This is expected to promote measures for water conservation and to have an increasing influence on water treatment decisions. At power plant, the recycling of internal wastewater streams can extend from the recovery of individual high-quality waste streams, which can be reused either directly or after only limited treatment, through to the development of fully integrated water/wastewater treatment systems for zero liquid discharge. However, the application of reuse schemes requires site-specific assessment, as not all waters may be viable options for recovery.
By De Nora Water Technologies based in Colmar, PENNSYLVANIA (USA).
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