Preview

Reverse Osmosis: The Different Structure Between Ice And Liquid Water

Good Essays
Open Document
Open Document
1326 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Reverse Osmosis: The Different Structure Between Ice And Liquid Water
The water came from outer space to Earth. The water was brought to the planet for the comets. The water has a different structure for each state (gas, liquid, ice). Liquid water has random molecules. On the other hand, the ice has a more stable structure. The different structure between ice and liquid water can explain why the ice has less density than liquid water. Temperature is responsible for increasing the dissolution of components, and electrical conductivity. Pure water is not a good conductor, but is a great solvent. Natural water has impurities from rocks, soils, environment, and humans’ actions. These impurities make the water a good electrical conductor. Impurities in water can be measured by the total of solids dissolves in water …show more content…
Water that has a high concentration of impurities receives an external pressure. It makes the water pass through the membrane. The membrane retains the solids and contaminants in the water. The membrane is the most important part of the system. It very hard to located problems in the membrane. In addition, if the membrane is not in perfect condition, the system is not working. Reverse osmosis is a kind of filtration. Filtration is an oldest process that consists in the water passing through sand, gravel or membrane. Thus prevent the solids and contaminates passing for the other side. The pores of the filters need to be small. The smaller pore is the most efficient filter. When the water is without impurities or solids, it still needs more chemicals. These chemicals make the water lose smell and taste. Desalination is a process of removing salts from the water. This process was used formerly to obtain water by distillation, and evaporation. Actually, is used reverse osmosis and electrodialysis to produce potable water. Desalinization is a process which consumes much energy. And, need two gallons of seawater to produce one gallon of potable water. The treatment of the seawater for remove impurities is as the traditional treatment (coagulation, flocculation, chemicals, and sand filters). After this is though other filter the diatomaceous which remove silt and fine particles. Thus, the next process is the reverse osmosis which the membrane separated the water in potable water and concentrated seawater. The concentrated seawater need to dissolve by chemical for decrease the amount of salt. Just after the process of deconcentration the water can go back to the oceans or

You May Also Find These Documents Helpful

  • Good Essays

    Conductivity Lab Report

    • 629 Words
    • 3 Pages

    The tap water contains ions and minerals that conduct electricity due to the charges within the water. Distilled water is a liquid covalent compound where there are no charges or minerals and ions floating around and thus no electricity is conducted. The conductivity of either…

    • 629 Words
    • 3 Pages
    Good Essays
  • Better Essays

    Ice is less dense than liquid water because, as water solidifies, the water molecules form a regular lattice structure in which each molecule is linked by hydrogen bonds to four other water molecules. In liquid water, the hydrogen bonds are less stable and the water molecules pack together more densely. Hence, the molecular arrangement of water in solid form (ice) has more spaces within it and takes up a greater volume than the same number of water molecules in the liquid state. As a result, ice is less dense and so floats on water.…

    • 1406 Words
    • 5 Pages
    Better Essays
  • Powerful Essays

    To achieve this goal, the plant has initiated tours of their facilities, allowing key members of society, such as parents, Girls Scouts, and elected officials to watch and experience the purification process. The pilot facility must also prove themselves by providing water cleaner than current standards. To do this, many AWPF have established four levels of purification. The first level, microfiltration, is a water purification process by which water is sent through tubes at high pressure. These tubes contain 9,000 fibers, each with microscopic pores to filter bacteria from the water. The next step, reverse osmosis, is depicted as a more accurate, precise version of microfiltration where the water is sent through even more fibers with smaller pores. This stage eliminates even smaller chemicals and bacteria. Ensuing, Ultraviolet oxidation occurs when water is mixed with hydrogen peroxide and exposed to ultraviolet rays. This creates a chemical reaction that destroys residual chemical elements. The final level of purification is called ozone disinfection. This procedure introduces ozone into the water. The ozone then exterminates any remaining molecules. The article displays all four steps and their functions in a detailed reference…

    • 1194 Words
    • 5 Pages
    Powerful Essays
  • Good Essays

    This article explains how some ions have a positive charge and a negative charge. It then states that pure water contains very little ions and does not conduct electricity very well. But if you mix table salt, or sodium chloride, which is an ionic substance, you can conduct electricity. The article also states that when two substances are mixed, they can sometimes make more ions. For example, when you mix ammonia and vinegar (acetic acid), which both have very few ions, the ammonia reacts with the acid in the vinegar and they form lots of ions. This solution conducts electricity very well.…

    • 582 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Water treatment consists of removing very small particles by flocculation. The water is sand filtered to remove bigger particles. A 2m deep bed of sand is used. Finally, it is treated with chlorine to kill microorganisms as disinfection is needed to ensure concentrations are acceptably low. Water testing is carried out for ions, colour, pH, hardness, turbidity, conductivity, micro-organisms. Alternative methods of filtration such as membrane filtration may be both more efficient in removing particles including microorganisms such as Giardia and Cryptosporidium. However, these techniques are expensive to execute.…

    • 998 Words
    • 4 Pages
    Good Essays
  • Good Essays

    A physical property of water that is necessary to life on earth is the fact that ice floats. Ice is held by its hydrogen bonds in a crystal like structure in which each water molecule is bound together by 4 hydrogen bonds to other water molecules. These bonds are packed less tightly than they are in liquid water, so solid water is less dense than liquid water and therefore floats. This isn't the case in most other liquids. It's a good thing that ice floats because if it didn't then water would freeze from the bottom up. That would make it impossible for life to exist. Instead, ice forms a protective layer which keeps the water at least over zero Celsius allowing organisms to survive.…

    • 551 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    In this essay I am going to be talking about desalination and large scale desalination of the ocean. I’ll also be talking about what desalination is, and what it can be used for. I'll be researching different methods people use it. Also including ways that desalination have caused problems and damaged the environment.…

    • 53 Words
    • 1 Page
    Satisfactory Essays
  • Good Essays

    Water has 8 protons, 8 electrons, and 8 neutrons. It's made up of two hydrogen and one oxygen. Even though water molecules carry no electric charge its eight electrons are not distributed uniformly. H20 is one of the known substance whose solid form is less dense than liquid. All solids have a determine structure of water molecules are surrounded by four connecting…

    • 1180 Words
    • 5 Pages
    Good Essays
  • Good Essays

    With these solutions, water can be conserved efficiently because for the first method, it’s easy enough to do as an individual. Also for the second method which were about “shade balls”, it will make a great difference in saving water because if it didn’t exist, then the droughts would’ve gotten worse making it harder to live in those conditions. And finally for desalination, it is a great method for giving access to clean water. These methods have shown that if used, then the water that is left in our world may actually be saved if we took it to our…

    • 600 Words
    • 3 Pages
    Good Essays
  • Good Essays

    Dry ice is a solid which is known as the solid format of carbon dioxide which is an odorless gas made by burning carbon henceforth the name .Carbon dioxide is what humans exhale and pants inhale. Dry ice is a very popular experimentation factor this is because of the name which come from the fact that dry ice doesn't melt. The differences among standard frozen water ice is that the standard ice melts while dry ice on the other hand does not. Dry ice also maintains a very vibrant white color compared to that of standard ice which is clear just like water. Another characteristic or factor that is very important in dry ice is the fact that it is really cold. Which also proves that it would have to be very cold if it can resist melting unlike standard…

    • 957 Words
    • 4 Pages
    Good Essays
  • Good Essays

    One of the many reasons are given, the major one being growth of population, wasteful use of water, pollution of available water resources, and climate changes related to global warming. As the third millennium began, we are now involved in a world revolution, researching and setting in place desalination processes at a reasonable cost and continuing research to lower the costs further. This will enable the supply of water, at convenient prices for all, hopefully, especially in residential areas as well as advancement in the quality of life all over the world. Israel water budget in 2001, is between 200 million and 500 million gigalitres, a desalination plant constructed in Ashkelon, would be capable of producing 100 million gigalitres. The importance of the first production plants constructed create responsibility for the scientific teams and those whom approve plans, which will establish a precedent for those whom follow. This will create and makes sure environmental demands are met correctly. World wide the constructed seawater desalination plants are the preferred environmental options for reducing the budgets and strain on water supplies. But do not forget the environmental price of such plants and should be thoroughly researched before action is taken. The intention of the desalination plants is to reduce water resources strain in many…

    • 942 Words
    • 4 Pages
    Good Essays
  • Better Essays

    Saving water runoff

    • 2061 Words
    • 6 Pages

    Perhaps the most contentious aspect of desalinization, however, is how to dispose of the highly concentrated salt brine left over from the plant’s water cleansing. Every hundred gallons of desalinated seawater yields fifteen to fifty gallons of drinking water (depending on the process, and the water to begin with), and fifty to eighty gallons of brine. Where, the highly concentrated brine is flushed back into the sea. It can destroy aquatic species, particularly those in the egg or immature phase of development. (Prud’homme336).…

    • 2061 Words
    • 6 Pages
    Better Essays
  • Good Essays

    Desalination is a great way to provide more water for people. Taking salt out of seawater…

    • 457 Words
    • 2 Pages
    Good Essays
  • Better Essays

    Research

    • 761 Words
    • 4 Pages

    Water can be found as a liquid, solid, or gas. Water is made up of tiny particles which are hard to see in solids. A solid is matter that has a shape and usually takes up space. Its particles are closely packed together. The particles have some energy. They move back and forth, but they do not change places with each other. These tiny particles move around when water is in its liquid form, but as the temperature gets colder; they slow down and move less. If it’s too cold, they move so slow that they stick together and change from liquid water to solid water called ice.…

    • 761 Words
    • 4 Pages
    Better Essays
  • Good Essays

    It is necessary to desalinize water because poorer or developing countries would be able to get fresh water from their salt water.…

    • 497 Words
    • 2 Pages
    Good Essays