The Industrial Water Purification Blog

What Does Reverse Osmosis Remove From Water - And Will It Remove Bacteria?

Posted by Peter Wood on 21-Sep-2016 08:30:00

Facility managers are an operation’s first line of defence when it comes to water quality. Over time, you may have noticed that your facility’s water quality has declined. You may have discovered worrying and increasing levels of bacteria in the water. Reverse Osmosis is a very effective means of removing many contaminants from industrial water. But how well does it work to remove bacteria? The following article will provide an overview of the reverse osmosis process, including what it does and does not remove.

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Topics: Reverse Osmosis

How To Remove Sodium From Water

Posted by Peter Wood on 13-Sep-2016 10:30:00

For industrial water purification, sodium removal is a rare requirement as it is not present in the mains water supply for most western countries. Sodium can, however, be present in the water supply in some coastal areas around the world and in countries that use a lot of road salt, and is also usually present in water that has been softened.

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Topics: Reverse Osmosis

Can You Remove Bacteria From Water Using Deionisation Methods?

Posted by Peter Wood on 08-Sep-2016 09:00:00

There are several ways of creating bacteria-free water, each with their own considerations. Two methods used by many facilities are deionisation and electro-deionisation. Both have their own advantages, but is one way better than the other? This article will discuss both methods in detail.

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Topics: Deionisation

How To Monitor and Remove Bacteria in Purified Water Systems

Posted by Peter Wood on 31-Aug-2016 13:07:55

When I speak to engineers about the need for bacteria removal, sometimes I get asked about the role of free chlorine.

Water utility company's will typically add approximately 0.1 parts per million, (PPM) of free chlorine to the incoming water supply. This background level of free chlorine is added to inhibit and remove bacteria from the feed water.

When we purify water, however, the first thing we do is to remove the free chlorine with the water purification processes used. From there on if the wrong conditions are created bacteria cells can grow.

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Topics: Purified Water Systems

Getting The Best Performance From Your Reverse Osmosis Membranes

Posted by Peter Wood on 23-Jun-2016 12:30:00

Receiving the best possible performance from your RO membranes is very important to maximise the volume of water recovered as RO permeate, Minimise the amount of electrical energy consumed and maximise the quality of RO permeate produced.

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Topics: Reverse Osmosis

Deionisers or Reverse Osmosis — How do you make an informed decision?

Posted by Peter Wood on 20-Jun-2016 09:43:00

An increasing number of purified water system users have changed over to RO. This is mostly born about by a desire to get away from the use and storage of regeneration chemicals. A further benefit is the removal of a chemical discharge during regenerations.

The truth is that in many cases conventional Deionisers are still the best solution. There are many users who will always use reverse osmosis because they value the physical barrier and validity that a performing RO membrane provides. However, water consumption and capital cost should always be considered when making the choice.

These Pro’s and Con’s may assist in an informed choice.

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Topics: Deionisation, Reverse Osmosis

How To Improve Water Recovery In Your Industrial Water Treatment Plant

Posted by Peter Wood on 17-Jun-2016 10:14:00

Waste water is becoming an ever-increasing and infinitely valuable water resource. Treated industrial waste water can be transformed into a product that can be used for numerous applications, including wash water, industrial process water, surface irrigation, wetlands and ground water recharge, to name but a few.

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Topics: Reverse Osmosis, Purified Water Systems

How To Achieve Zero Bacteria Growth In Your Purified Water System

Posted by Peter Wood on 15-Jun-2016 10:44:55

High levels of bacteria growth can be very difficult and exceedingly costly to resolve retrospectively.

In most cases this problem is a factor of system design and installation standards in the original installation.

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Topics: Purified Water Systems

How Much Does a Reverse Osmosis (RO) System Cost?

Posted by Peter Wood on 10-Jun-2016 11:14:00

Many industries are realising the benefits of reverse osmosis (RO) water purification systems. However, the main question about them is how much they cost. The fact is that the cost of an RO system will depend on how much treated water is required, and so will vary widely. Generally speaking, industrial reverse osmosis systems can range in price from £11,000 to £29,000.

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Topics: Reverse Osmosis

How to Remove Copper from Water

Posted by Peter Wood on 08-Jun-2016 09:47:00

Because of its involvement in a number of essential human bodily functions, copper is a necessary trace element for good health. Copper is present everywhere in the natural world and is also found in groundwater due to the leaching of geological deposits containing the metal.

Copper can also be produced by industrial processes and enter the water as contamination. Where galvanised pipes are connected to copper tubing, galvanostatic corrosion can occur.

Works managers in every industry must ensure that the standard of water in their facility is maintained in such a way that is compliant with British and EU water standards. That means choosing and installing an adequate system for the purpose of removing copper from water.

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Topics: Remove Copper From Water

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