Advantages
· Distillation offers significant savings in operational and maintenance costs compared with other desalination technologies.· In most cases, distillation does not require the addition of chemicals or water softening agents to pretreat feedwater.
· Low temperature distillation plants are energy-efficient and cost-effective to operate.
· Many plants are fully automated and require a limited number of personnel to operate.
· Distillation has minimal environmental impacts, although brine disposal must be considered in the plant design.
· The technology produces high-quality water, in some cases having less than 10 mg/1 of total dissolved solids.
· Distillation can be combined with other processes, such as using heat energy from an electric-power generation plant.
Disadvantages
· Some distillation processes are energy-intensive, particularly the large-capacity plants. «Disposal of the brine is a problem in many regions.· The distillation process, particularly MSF distillation, is very costly.
· Distillation requires a high level of technical knowledge to design and operate.
· The technology requires the use of chemical products, such as acids, that need special handling.
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Cost of course depends on capacity and desalination method. Shoaiba Desalination Plant, Saudi Arabia, uses MSF Flash technology with a total output capcity of 128 million gallons per day. Cost 1.6 billion $US.
Multi-stage Flash (MSF) Desalination
thermal property of petrol
to create vacuum for decreasing the boiling point. it works the base of converging-diverging procedure.
category of desalination types: 1- thermal type (multi stage flash, multi effect,vapor compression) 2-membrane type.( reverse osmosis. electro dialysis) 3-ion type. (ion exchange)
Desalination of sea water
Sometimes they have to do desalination to a sea.
Desalination.
People view desalination by tours
"Sustainable Solutions: Innovations in Desalination"
Desalination. Desalination is the process of removing salts and minerals from seawater to make it suitable for consumption or agricultural use.
The process of osmosis is reversed using high pressure to perform desalination.
The desalination process converts ocean water to freshwater.
3 types of desalination are:Electrodialysis, Distillation and Reverse Osmosis (RO).
Thermal power is used to generate electricity by using heat energy from sources such as coal, natural gas, or nuclear reactions to produce steam that drives turbines connected to electric generators. It is also used for industrial heating and cooling processes, district heating systems, and desalination plants. Additionally, thermal power can be utilized for residential heating and cooking in some areas.
how to design a desalination plant of 2000 tonnes per day production of distillate ,the desalination type of evaporation multi stage ,,with material balance,?