Industrial Water Treatment
Industrial Water Treatment Equipment- The Common Types
Industrial water treatment encompasses an array of aspects that are used to optimize water-based industrial processes like heating, cooling, cleaning, processing and rinsing. These aspects include boiler water treatment, cooling water treatment as well as wastewater treatment. The systems used in these processes meet an array of separation and purification needs and they can range from compact and straightforward, to large and complex units that perform a variety of applications. Simply put, these systems treat water so that it is appropriate for a certain use, whether it’s for manufacturing, consumption or disposal.
Industrial water systems vary and tend to function differently. As such, the purpose often determines the best kind of system to use. In this read, we are going to look at the most common industrial water treatment systems and their benefits.
Ultrafiltration Systems (UF)
This is a pressure driven process that utilizes a membrane to get rid of emulsions, metal hydroxides, suspended solids, emulsified oils and other materials from the coolant, wastewater and other solutions. Ultrafiltration excels at clarification of solutions that have high concentrations of oil, suspended solids and bacteria.
Ultrafiltration systems are made to reduce oily water volumes by 98% without the use of chemicals. The systems are ideally capable of eliminating small fines in tumbling and deburring activities. This enables the soap and water solution to be recycled and reused. With this technology, companies experience a reduction of detergent and wash water costs by as much as 75% and a reduction in the costs of waste disposal by as much as 90%. This is why ultrafiltration technology is one of the most popular processes when it comes to water treatment.
Reverse Osmosis (RO) Systems
The RO technology eliminates dissolved impurities and solids from water by utilizing a semipermeable membrane that allows water to pass but traps most of the dissolved solids and other contaminants. As you may have already guessed, the reverse osmosis membranes need a greater than osmotic pressure as well as high-pressure water in order to get the desired results. The dissolved solids rejected by the membrane are known as the concentrate and the water that goes through is known as the permeate.
A well-designed and run reverse osmosis system can get rid of up to 99.5% of incoming dissolved solids and contaminants and all suspended/colloidal matter from waste and feedwater applications.
Vacuum Evaporation & Distillation
Evaporation is a natural process and a clean separation method that is known to be one of the best ways to treat industrial water. Since it extracts water from the contaminants instead of filtering the contaminants from water, it is different from other methods.
Well, there is no other technology that can get a higher water recovery and concentration rate like vacuum evaporators. These systems accelerate evaporation in order to treat and distil wastewater amounts of up to 120 tons per day.
The common types of vacuum evaporators include:
- Heat Pumps- these are versatile and flexible, very reliable and consume low electrical energy.
- Mechanical vapor recompression- these are designed for the treatment of huge wastewater flow rates.
- Hot/cold water- these reduce the running costs by using existing excess hot water or steam and cooling water.
Paper Bed Filters
These are filter types that function by the help of gravity and use permanent filter media or disposable paper media to create a positive barrier that separates solids from all free-flowing liquids. These filters are ideal for industrial applications that involve the low to medium elimination of organic and inorganic contaminants like plastic, glass as well as ferrous and non-ferrous metal. These systems increase the quality of the surface finish and extend the tool and coolant life by about 27%.
These units come with or without magnetic separation and tend to handle up to 130 gallons per minute in flow rate. There are, however, other models like the drum type, that can handle up to 500 gallons per minute.
These are not the only systems out there, but they happen to be the most common. If you are looking to get one, it is advisable to delve further on what problems you might experience, the cost and even how to choose the best one for your application. It’s also advisable to seek help from a professional in the field to ensure you make the right decision.