Posts Tagged ‘water filters’

Pure Aqua Supplied 30+ Commercial BWRO Systems to Saudi Arabia

Pure Aqua, Inc.successfully supplied more than 30 Commercial Brackish Water Reverse Osmosis (BWRO) systems to a major real estate sector in Eastern Province of Saudi Arabia in 2003. Custom made systems capacities are between 3,000GPD and 10,000GPD of product water used for drinking and irrigation purposes. The feed water TDS is about 5,000PPM. BWRO systems were also supplied with membranes cleaning skids.

Process Description

Feed water to the systems is well water, raw water TDS is about 5,000PPM. Due to the 5,000PPM salinity, systems were designed based on TFC spiral wound membranes. Temperature ranges between 25º C and 35º C. The custom-made BWRO systems produce 3,000GPD to10,000GPD of drinking water with TDS less than 300mg/L.

water purification systems
reverse osmosis systems


Water Filters and Water Filtration Systems


Multi-media water filter system represents a significant improvement over single-media filters. This is primarily due primarily to improved filter bed action based on the innovative use and selection of filter media. Multi-media filtration permits delivery of high quality filtered water at much faster flow rates, as compared to a conventional sand filter.

In a conventional sand filter, lighter and finer sand particles are found at the top of the filter bed, and coarser, heavier sand particles remain at the bottom after backwashing. Filtration takes place in the top few inches of the filter bed.

A multi-media filter is backwashed in the same manner as a sand filter, using reverse or upward flow of water through the filter bed. The various layers of media retain their stratification because each material has a different density.


1. The multi-media water filter systems operate for much longer periods of time (five or more times as long at the same filtration rate), before backwashing is necessary because the bed can hold more turbidity. Turbidity is trapped and held throughout the entire bed depth, rather than the top one or two inches.

2. Multi-media filtration is much better suited for use in a closed pressure tank since cracking of the bed, and subsequent breakthrough of turbidity is virtually eliminated and the need for visual inspection is unnecessary.

The use of pressure tanks, rather than open basins or filters, is an obvious advantage for point-of-use filtration and could also be of real importance in the filtration of small community water supplies.

More rapid filtration flow rates in multi-media filtration allow the use of smaller diameter tanks with equal or better results.

3. A very high degree of clarity is achieved in the filtered water because of the fact that the finer particles of garnet at the bottom trap finer turbidity particles.

4. Another important advantage is that multi-media water filters can clarify water at a much higher flow rate than a single-media sand filter (5.5 to 8 gallons per minute, as compared to 1.5 to 2.5 gallons per minute in a 12 inch diameter tank). This is 14 to 15 gpm per square foot of bed area, as compared to 2 gpm per square foot of bed area. This is a very important difference in the production of filtered water.

Pure Aqua’s multi media water filters (MF-1100, MF-1000, MF-600, MF-500 MF-450, MF-410 MF-400 Series) clarify water by removing sediment, turbidity, iron, unpleasant tastes and odors, suspended particles, and unwanted color, all of which are commonly found in surface water. They can be used in a variety of service conditions including, but not limited to: industrial, municipal, and institutional applications.

Pure Aqua multi media water filter systems are ideally suited for use where stringent water quality standards are required or where higher levels of suspended solids are present. These applications can include re-use applications, water pre-treatment applications for reverse osmosis and deionization systems or as a pre-treatment system prior to disposable bag or cartridge filters. Pure Aqua multi-media water filter systems are also widely used as primary water filters for removal of suspended solids in incoming plant water or in waste water clean up applications.

With expertise of Pure Aqua water filter systems, you will receive economical solution that creates value for you while reducing your costs. get a visit to know more about Reverse Osmosis Systems

Adequate Water Filters and Water Purification Systems – Reverse Osmosis (RO)

Reverse osmosis separation technology is used to remove dissolved impurities from water through the use of a semi-permeable membrane. RO technology involves the reversal of flow through a membrane from a high salinity, or concentrated solution to the high purity, or “permeate”, stream on the opposite side of the membrane. Pressure is used as the driving force for the separation. The applied pressure (P) must be in excess of the osmotic pressure of the dissolved contaminants to allow flow across the membrane.

Reverse osmosis (RO), also known as hyper filtration, is used by our Commercial & Industrial Brackish Water & Seawater Reverse Osmosis Systems to purify water by removing salts and other impurities. It is also capable of rejecting bacteria, sugars, proteins, particles, dyes, and other constituents that have a molecular weight of greater than 150-250 daltons.

Pure Water all have the option of drinking water filters and water purification systems. Water is very important for the human body. With more than half his body weight is water, can not survive more than a few days without it. Water is used in every cell of your body. It is the main component of fluid within the body systems, like blood. The water travels through the body carrying nutrients, oxygen and wastes to and from the cells. Many parts of his body as the heart, eyes, intestines, and even a little water from your fluid needs based on the finger to stay alive.

The water in the shower, cook, prepare juices, tea or coffee affects our health. Since water dissolves numerous substances in large amounts, pure water rarely occurs in nature. Precipitation absorbs carbon dioxide and other gases as well as traces of organic and inorganic material from the atmosphere. Surface waters may contain domestic sewage and industrial wastes. Groundwater may contain nitrogen compounds and chlorides. Bottled water may be contaminated as well.

Pure Aqua, Inc. manufactures a full line of seawater desalination systems designed for heavy or continuous duty service in the marine applications where quality and dependable performance are keys. Our standard Brackish Water Reverse Osmosis systems are available with capacities ranging from 250 GPD to 500,000 GPD, and our standard Seawater Reverse Osmosis systems or water makers or RO desalination systems are available with capacities ranging from 380 GPD to 180,000 GPD. Pure Aqua is also capable of manufacturing custom built Reverse Osmosis plants.

Water Purification Systems

Danger – Unsafe Drinking Water

Have you read about this lately? Many cities in the U.S. have unsafe drinking water.

Many of us would not knowingly drink unsafe water, but the problem is we think it is safe when we turn on our tap, but in fact it is not in most cases.

U.S. drinking water contains over 2000 toxic chemicals that can cause cancer.

The U.S. Council of Environmental Quality says, ” Cancer risk among people drinking chlorinated water is as much as 93% higher than among those whose water does not contain chlorine.”

Chlorine is needed to kill the bacteria in the water, but we need to remove it before we consume it. Chlorine is designed to kill living organisms. Our cells fall into that category quite nicely, thus chlorine can kill the very things that keep us alive and healthy.

Chlorine is not the only problem in our water. There are many other dangerous substances that make unsafe water.

Toxins like weed killers, pesticides, herbicides, lead, arsenic, pharmaceutical drugs, fertilizers, petroleum products, and the list could go on and on, but I think you get the picture.

The best plan of action is to install a point of use water purification unit, like a kitchen faucet filter. Or if you want to purify all your water, there are whole house water filters available that do a great job.

The home water filter I use cost me less than 9 cents a gallon to filter my unsafe drinking water. Check out Water Purification Systems to find out more about why you should filter your water. Do it today: your health is worth it.

Portable Reverse Osmosis

Reverse osmosis is often referred to as the most effective method of filtering your water. These filters have a reputation for being able to treat water of very poor quality.

It can remove lead, heavy metals, bacteria, chemicals, chlorine, pesticides, and other contaminates. Reverse osmosis was developed in the 1950’s as a way to make sea water safe to drink, but today it is mainly used for household drinking water. During the filtering process, the water passes through a semi-permeable membrane that only allows pure water to pass through, trapping contaminants on the other side of the filter membrane.

These sophisticated filters can clean the water wherever you are. Portable reverse osmosis filters are often used by the military or other governmental operations. They have also been sent overseas to developing nations where areas lacking electricity are in need of safe drinking water.

Although these filters are mainly used in homes and other buildings, they can be a good choice for many applications. They require no electricity instead relying on gravity to push the water through the filter.

However, portable reverse osmosis filters also have many important applications for individuals. For example, you can carry a portable reverse osmosis filter when traveling to areas where the local water supply is polluted or contaminated. If you are planning to travel overseas, you have probably heard horror stories of vacationers getting sick after drinking the local water. For this reason, it is a smart choice to carry a lightweight and compact portable reverse osmosis unit if you will be traveling for an extended period. They are also a good solution if you enjoy camping or other wilderness ideas; water from streams, lakes, and other sources may have bacteria or other contaminants that you can avoid by using one of these filtration systems.

If you plan to use one of these portable water system to filter tap water, be sure to find one that will filter other contaminants often found in the residential water supply. These filters are very effective at removing bacteria and similar contaminants, but you’ll need one that can filter out lead, iron, chlorine, and other contaminants. Crystal Quest Reverse osmosis filters consist of a filter to trap larger particles like sentiment and rust. Then, the water passes through a filter with smaller holes to catch smaller contaminants, as well as a carbon filter for chemicals, chlorine, metal, and fluorides, among many other products in your water.

Source: Ezinearticles