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Author Archives: Alfred Martinez

Storm Water Treatment Can Add To The Bottom Line!

In areas where there is substantial annual rainfall, re-conditioning that water and using it for cooling water make-up, firefighting, wash down, landscape irrigation or other non-potable purposes can reduce the cost of purchasing  water and drop dollars to the bottom line.  Many firms already treat their storm water in order to meet local discharge regulations.  In fact, the treatment may already being sufficient to allow for its use in a variety of non-potable applications.  If storm water is being treated, but does not produce water of quality that can be used in plant operations, a minor addition to the treatment process will likely solve that problem.  Where storm water is not being treated, the two most common substances that need to be removed prior to use are suspended solids and hydrocarbons.  Treatment can be as simple as a two-stage process:  sand filter (or dual-media filter) followed by a clay or activated carbon filter.


Contact an Everfilt Applications Engineer to see if treating your storm water can improve your company’s bottom line.


E-mail:  everfilt@everfilt.com

Phone:  (800) 360-8380

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How to Improve the Performance of RO Units

Membrane filtration is a very effective way to remove dissolved substances in water. However, the membranes can become quickly clogged or fouled if the water has not been pre-treated appropriately. First, suspended solids 5 micron and larger need to be removed. This may involve a single step using a 5 micron multi-media filter. Or, ifContinue Reading

Some Guidelines for the Selection of Filters to Reduce Particles

When one of the goals of treating water is to reduce the concentration of particles (called suspended solids), several different types of filters can be effective…but they will not all be equally effective under all circumstances.  Selecting the most appropriate filter requires some laboratory testing of a sample of the water.  The two most helpfulContinue Reading

Storm Water Recovery

Companies located in areas with significant rainfall can capture and treat the water and use it for a variety of non-potable uses such as: Wash down Fire fighting Irrigation Cooling water make-up Boiler make-up Storm water typically contains particulate, hydrocarbons, oils and greases. If the water comes in contact with metal products or metal waste,Continue Reading

Avoiding Common Mistakes in Filter Selection

Avoiding Common Mistakes in Filter Selection

Choosing the right type of filter is essential to solving your water problems or achieving a desired goal.  It takes time to find the right filter and the best vendor, and most of us have too little time to get everything done. However, taking too little time to find the best filter can cost youContinue Reading

How to Eliminate Blocked Spray Nozzles

If you are using spray nozzles in your operation and are having to replace them frequently due to blockage, you can eliminate the problem through filtration.  The water contains particles larger than the orifices of the spray nozzles, so they block the nozzles upon reaching them.  Removing particles larger than the orifice eliminates the problem.Continue Reading

How to Make Cloudy or Opaque Water Clear

When water has a cloudy appearance or when the water is opaque, the cause is usually a high concentration of color molecules or a very high concentration of suspended solids that are 5 micron or smaller in size.  How the water is treated so that it becomes clear depends on whether the problem is resultingContinue Reading

What to Do When Your Filter Stops Performing

Here are some strategies others have used to solve this problem.  Which one would you choose? A. Go on vacation suddenly and hope the problem is solved by the time you return B. Assign a junior subordinate the task of solving the problem  (If he/she fails, your reputation isn’t tainted) C. Tell your boss that a new filterContinue Reading

Are you Using Coagulants?

Adding coagulants to wastewater can greatly improve the efficiency of removing suspended solids. This is particularly true when there are substantial numbers of very small particles.  However, the flocs created by most coagulants are typically “sticky” and will adhere to filter media with which they come into contact. This occurs most frequently when the filterContinue Reading

Tips for Getting the Best Performance from your Filter

Every filter has a range of operating conditions within which it will yield optimum results.  If the characteristics of the water to be filtered or operating practices fall outside the range, filter performance will not meet expectations. Before purchasing a filter, you should ask the manufacturer to describe the conditions under which the filter willContinue Reading