Membrane distillation (MD) is an Efficient Desalination Technique

Configuraciones de destilación por membrana (MD)

Efficient desalination plants are designed to help industries with advanced desalination technologies. It is used to purify seawater or brackish water to make it more usable for the various industrial use. There are many technologies for desalination and the Membrane distillation (MD) is one of the best ones.

Membrane distillation (MD) is one of the most effective separation technologies and it is now being used worldwide to address the issue of shortage of clean water. Places where water is available, but they are not suitable for humans or industries, the Membrane distillation (MD) is used to purify the water.

The Membrane distillation (MD) can be used in desalination plants for future projects. It has many benefits and advantages over other methods. Knowing about it can help companies find the right solution for your industrial application.

What is Membrane distillation (MD)?

Membrane distillation (MD) is a process of separation of two liquids or solutions where a micro-porous hydrophobic membrane is used as a separator. The hydrophobic membrane acts as barrier for the liquid phase and allows the vapor to pass through the membrane. This happens due to difference in temperature, which prevents the contaminants to pass through the membrane. The partial vapor pressure is responsible for the entire process and is triggered by the difference in temperature.

How It Works

Membrane distillation (MD) process involves many techniques, which depends on the requirements. Some of the most common MD techniques are:

  • Direct Contact MD (DCMD)
  • Air Gap MD (AGMD)
  • Vacuum MD (VMD)
  • Sweeping Gas MD (SWGMD)
  • Vacuum multi-effect membrane distillation (V-MEMD)
  • Permeate Gap MD (PGMD)

The above techniques are used to determine the vapor pressure created for the membrane. The Direct Contact MD (DCMD) is the most commonly used configuration for the distillation process. In this process, the condensation liquid is on the permeate- side and is in direct contact with the filtrate membrane. In another configuration, the vapor form of the liquid can be collected on a condensation surface, which is usually separated from the membrane a with air gap (AGMD) or a vacuum (VMD), or can be liquidated using the inert sweep gas (SGMD).

Advantages of Using the Membrane distillation (MD) Process

There are many benefits and advantages of using the Membrane distillation (MD) process. Efficient desalination plants use this method to purify water be separating the contamination from the water.

This method can be used for purifying different types of water, such as:

  • Seawater desalination
  • Brackish water desalination
  • Desalination brine treatment
  • Process water treatment
  • Removal of ammonium
  • The advantages of using the Membrane distillation (MD) are:

Low temperature

Compared to the conventional distillation process, the MD process works in low temperature and low hydraulic pressure (max 100 psi). This means the cost of energy usage will be less. Its ability to work efficiently at lower temperature and pressure also makes it a less complicated process. It saves a lot of time and money too.

Cost-effective Membrane

Compared to other types of separating membranes, such as Reverse Osmosis, the Membrane Distillation is less expensive. It can work at low temp and pressure and can use the residual heat to complete the process. Alternative energy like sun and wind can also be used to power the process. This is one of the reasons why it is considered at one of the most cost-effective methods.

Less Vulnerable to Fluctuation

MD is less vulnerable to the fluctuation caused concentration polarization. In theory, MD can offer 100% retention given the dissolved substance are non-volatile in nature. At the same time, higher concentration of mater can be achieved on the supply-side. This ensures efficient distillation process. The Membrane Distillation process helps create efficient desalination plants for various water purification projects for industries.

It is Highly Efficient

When compared with the traditional distillation methods, the Membrane Distillation simplifies the process. It easily improves the quality of the distillation process, work at low temp or pressure without any hassle, and ensures faster results.

Desalination of Water

In the industrial use, the MD process is highly effective in converting seawater or brackish water into usable water. It can easily retain the non-volatile ionic particles and create distilled or desalinated water for various industrial purposes.

Versatile Application

MD is widely used for all types of distillation process along with water purification. It can be used for water purification in the industries like pharmaceutical, chemical and textile industries. It is also used in concentration of fruit juices and milk processing. The MD method is applicable in many industries.

Environmental Impact

The MD process is very environmentally friendly. Compared to other processes, the MD uses less energy as it can easily work in low temperature and pressure. Energy used is comparatively less and alternate energy sources, such as sun, wind and geothermic can also be used to provide energy for the process. All of these things make MD highly efficient and cost-effective. The cost of running the MD process is lower as compared to the Reverse Osmosis process.

Companies looking for water purification or desalination process that is highly effective, can choose the Membrane Distillation. It doesn’t have any major negative impact on the environment and re-uses the energy, which helps in reduction of waste. Efficient desalination plants use the MD process to purify water or desalinate sweater or brackish water for various industries. It is reliable and efficient method that can save a lot of time and effort.

Its Use in De-salination Process

De-salination is one of the most effective method used by industries to meet their water supply needs. As the per the UN report, most of the parts of the world, do have access to clean water. Despite two-third of the earth covered in water, many parts of the world don’t have access to clean and usable water. In this scenario, desalination of the seawater or brackish water provides a viable solution.

While there are many desalination techniques, the MD is one of the best ones. Desalination is a process in which mineral components of saline water is removed to make it more usable to the humans. Desalination using the MD process can help industries get sufficient water for their work as well supply clean water to the population. Like seawater, the brackish water is also purified using the MD method where the contaminates are removed from it.

The Bottomline

Membrane Distillation is one of the most effective method of desalination or water filtration. It is a low-cost method that can help convert seawater or brackish water into usable water. The process is easy, efficient and less expensive as compared to other types of methods. Efficient desalination plants extensively use the MD process to purify water.

Keiken Engineering Efficient Desalination Plants

Keiken Engineering provides efficient desalination plants for converting seawater and brackish water to make it more usable. We use the latest and the most effective methods, such as MD to provide industries with cost-effective solution. You can rely on our expertise, experience and our team to get the results you want to see. We strive to provide desalination solution at low cost to meet the quality and efficiency requirements of water supply and water treatment industries.

Gives us a call at +34 91 057 72 54 for knowing more about our desalination plants.

Pilot plants the key to energy efficiency in water and waste water facilities

Aprovechar el biogás de una depuradora para generar energía

Wastewater and drinking water treatment contribute a lot to increase a country’s overallenvironmental and economic costs. This can be improved by addressing the wastewater and water facilities; operations and equipment and capturing the energy to generate heat and electricity.Establishing water treatment pilot plants helps you carry out the same work with much less energy expenditure. Improvisation in the water use efficiency lowers the water requirement, which leads to less energy consumption to distribute and treat water.

Several agencies are now coming forward to help people switch to an energy-efficient facility. And to adopt these measures, people need to understand all the benefits that it offers. Therefore, in this guide, we have stated how water treatment pilot plants’ establishment helps in energy efficiency in water and wastewater facilities. Read on to know all the advantages that it offers to your facility.

1. Reduce GHG emissions and air pollution

If you’re determined to improve energy efficiency in your wastewater and water facilities,then be sure of one thing: you will be contributing very little in polluting our environment. It’ll reduce air pollutants and GHG emissions by lowering the consumption of fuel-based energy. The combustion of fossil fuel for electricity generation accounts for around 40 percent of the country’s total emission of carbon dioxide. Apart from that, it also accounts for 23% of nitrogen oxide and 63% of sulfur dioxide emissions. The presence of these pollutants in the atmosphere eventually leads to acid rain, smog, and airborne matter that’s hugely responsible for several people’s respiratory issues.

2.Supports economic growth
When someone invests in energy efficiency, it reduces air pollution and stimulates the local economy’s growth and development of service markets related to energy efficiency. In 2010,the service sector of energy efficiency accounted for 830,000 jobs, and the number keeps growing at a rate of 3 percent annually.

Workers are required to do the job of maintenance or installation of water treatment pilot plants. Also, the wastewater or water facility saves a huge deal of money because of reduced energy requirements, which they can invest in developing the local economy.

3. Demonstrate leadership

Setting up water treatment pilot plants portrays an image of being a responsible government and paves the way for other countries to follow. A local or state government can demonstrate by implementing water efficiency and energy efficiency projects, that it didn’t only save money, but also did something that would benefit the environment as well, from reduced water and energy use. Setting up products for water efficiency and energy efficiency, and renewable energy technologies will encourage the private sector for the broader adoption of all these strategies and technologies. This will especially happen when ommunities begin to publicize their adoption of water treatment pilot plants’ environmental and economic benefits.

4. Increase the life of equipment/infrastructure

Energy-efficient equipment usually has a long life expectancy and delivers longer service without failure in exchange for very less maintenance than prior, less-efficient technologies.This is another important reason why you should switch immediately to water treatment pilot plants. Not merely that, having an efficient infrastructure gives an assurance that it’ll remain as it is for a longer time without the need for frequent repair work that will burn a hole into your pocket.

5. Low energy cost

Local government will receive a huge relaxation in their expenditure as energy-efficient strategies help save a huge deal of money. It enhances the efficiency of aeration equipment and pumps at wastewater or water treatment plant. For instance, if a 10% reduction is observed in the US wastewater or drinking water systems’ energy expenditure, the state would collectively save around 5 billion kWh and $400 million annually. Other approachescan also be adopted by facilities to reduce energy costs, such as rescheduling the energy use from the most demanded period to times when the electricity rate is much cheaper. Also, CHP systems can be used by industries to produce their own heat and electricity from biogas.

6. Take care of the public health.

When changes are brought in the wastewater and water facilities for energy efficiency,water, and air pollution will be drastically reduced from the power plants that distribute electricity to the facilities. Hence, a water treatment pilot plant provides a cleaner environment and endless benefits for human health. Upgrades in equipment also allow the facilities to push their capacity up for wastewater or water treatment. Apart from that, they also help improve the treatment processes, lowering the adverse effects of rising sea level,failure in treatment, and the risk of waterborne diseases.

7. Improve water and energy security

Having energy-efficient wastewater or water treatment facility will decrease the electricity demand, preventing the blackouts and brownouts during high energy requirement period. It also helps in avoiding the need to set up the latest power plants. Adopting such strategies for water efficiency lowers the risk of water scarcity that also helps to ensure a continuous and reliable supply of water.

Conclusion

a water treatment pilot plant saves you a lot of money, which can be spent on urgent requirements instead of spending on energy needs. If you have the urge to benefit the environment as well as reduce your expenses but lack the appropriate knowledge, then you can find several agencies that are established with the sole purpose of energy-efficiency. Right from products and services to professional advice when it comes to establishing pilot plants, you can get everything from such agencies. To make this world a better place for the next generation, we all need to take certain steps towards reducing the environmental pollution. So, what are you waiting for? Do your part and switch to energy efficiency with the help of experts right away!

Call to Action

If you seek guidance and services to covert your facility into an energy-efficient one, then don’t worry. Keiken Engineering is here to cater to all your requirements. You can blindly trust our versatility and experience in installing water treatment pilot plants. Be it compact plants or pilot plants; we have the knowledge and skills to deal with both of them. Businesses may use pilot plants to conduct essential tests before actually implementing the methods. Not only will this deliver a highly effective mechanism, but it also will save you and a lot of money and time. Our agencyprovides only the best pilot plants for several purposes, like engineering, technology validation, and research. We value every penny that you pay us and render only high-quality services and products to all of our clients. All that’s delivered to you is cost-effective that’ll help you meet all the needs efficiently. If you’ve got further queries, contact us via mail at info@keiken.es or give us a call at +34 91 057 72 54.

Role of reverse osmosis in water treatment pilot plants

Membranas de ósmosis inversa: vida útil, ensuciamiento y limpieza

Even though water is life, one cannot use any water to sustain life. We have very few freshwater sources that are put to use in industries, human consumption, cleaning, bathing, etc. When it comes to industrial use, water is used in large volumes to carry out everyday manufacturing. Not only is water use only confined to products, but it also plays a great role in cooling industrial equipment and products. Not only in the industrial sector, but the RO system is also being widely used for domestic use.

If the water in such an amount will be used in the industrial sector, what will be left for human use? This is where water treatment pilot plants come into play. Installation of water treatment plants aims at combating the wastage of water. In this guide, we’ll discuss what makes the reverse osmosis system the best in water treatment pilot plants.

How Reverse Osmosis Works?

In the reverse osmosis system, contaminants that are present in the molecular form are removed. It begins by removing molecules that are usually smaller than water. The process aims at squeezing
and throwing out all the unwanted residues away. Ocean water can be made fit for the human, animal, and industrial use by desalination through the reverse osmosis system. Apart from sodium and chloride, seawater also comprises of calcium, manganese, iron, and lead.

The RO process creates a solution having salt in a low amount from an aqueous solution containing a high amount of salt, using a water-permeable membrane. While the liquid flows through the membrane, the pressure is generated between the product water and pressurized water, usually at atmospheric pressure. The rest of the feedwater flows thorough the pressurized side as brine. And then, the feedwater we forced into the closed container to increase pressure. While passing through the membrane, the product water leaves behind the brine solution and the rest of the feedwater. To minimize the amount of concentration dissolved salts, a little portion of this brine solution is removed from the container. In simpler terms, RO removes almost 95 to 99 percent contaminants from the water.

Safety and health benefits

Using the RO system in a water treatment pilot plant delivers many safety and health benefits. When used in industrial manufacturing, you’ll receive good-quality, desalinated water that’s free of any dangerous chemicals. In the RO system, conventional processes such as chemical treatment are replaced with much smaller and efficient equipment. In this way, the risk of having dangerous chemicals at the site and manual mishandling can be avoided. This assures a safe working environment for everyone.

Environmental Benefits

The system of reverse osmosis combats the wastage of water, which is one of the most important environmental benefits. This is because no harmful chemicals are being used in this system to produce pure water. For industrial wastewater, reverse osmosis bags the title of being the greenest solution. Yet another benefit is, RO corrects and captures impurities present inside the water feed before disposal. It treats water before all the chemical, and harmful saturated water is disposed into a river or a drain. Cutting edge structure of a membrane enables the removal of impurities without using any chemical.

Maintenance Benefits

Being a self-contained unit, the RO doesn’t ask for much when it comes to maintenance. It doesn’t need much operator interaction, and it cleanses itself. The only thing it requires is regular monitoring from any onsite employee instead of maintaining it. Now more time can be used for production instead of indulging in cleaning practices. Replacing the pre-filters takes just a couple of minutes and is ergonomically-friendly.

Depending on factors such as quality & quality of the feed water, the membrane might last from two to three years. Almost all the membranes fitted inside a system can be replaced within a couple of hours, except the resin-based system, which might take days. As the system flushes itself at regular intervals, it reduces the need for membrane replacement or cleaning.

Remember, machines are something that will eventually wear out with time. However, with regular cleaning and maintenance cycles, you can enhance the longevity of the machines as well as the one dedicated to the process of reverse osmosis. This will not only allow you relief from regular purchasing but also help add to the profit element of your business.

Cost Benefits

While the price of caustic and acid solutions have shown a remarkable rise, the price of RO systems and their membrane is decreasing rapidly. The only area which makes the RO expensive is electricity, which can now be procured from solar panels and wind energy, making it very cheap. Also, the modern water treatment pilot plants consume very little power. Using a RO system, one can store all the water into a tank and use it in the future as required. Also, wastewater can be run through the RO system to purify it and separate all the contaminants to be reused to meet industrial requirements.

This way, industries will save a lot of money by combating the need to get treated water delivered by paying a huge amount. Your production won’t come to a halt just because the delivery of treated
water has been delayed. You can be your boss. So, the next time you wonder why your water-treatment factories have been robbing you of your savings, make sure you consider opting for a reliable RO system for your filtration and water treatment necessities.

Conclusion

Undoubtedly, reverse osmosis is just one among many ways for treating seawater or impure water. And in this guide, we’ve listed the reasons why it’s considered the best when it comes to industrial
use. Investing in RO is one step towards achieving sustainable development. On the one hand, it’ll provide you with 100% clean and pure water. And on the other, modern reverse osmosis systems curb the energy demands. If you’re planning to set up water treatment pilot plants within your establishment, consult a professional first. The use of the RO system is more cost-effective, low maintenance, efficient, and environmentally-friendly.

Are you looking for someone who’ll guide you through your energy-efficiency journey and provide you with all the latest equipment? Well, your search ends here! Keiken engineering brings you the best solution. We take pride in the quality of services we provide, competitiveness in cost, and complete involvement with the clients. When it comes to energy efficiency, water treatment,industrial project management, and desalination, we deal with various products and solutions. Our highly skilled and experienced team of CEO,partners, and professionals make us the greatest service provider. We guarantee success in the economic as well as the management of all our clients. If you need further queries, then contact us via mail at info@keiken.es or give us a call at +34 91 057 72 54, or +34 93 681 16 50.