Water Pretreatment Systems from NEWater

NEWater pretreatment systems are perfect for tackling the stringent demands in various industries. They can make the water free of harmful elements that only the filtration and sedimentation processes cannot remove. Besides, they protect the filtration membranes from clogging by preventing dissolved ions. Pretreatment is further important to stop the adulteration of the entire water filtration process.

The methods which our water pretreatment systems use are filtration, ultrafiltration, microfiltration, nanofiltration, and reverse osmosis. These effective and reliable methods further exclude ions, and particles of varying sizes from the water to ensure an undisrupted flow.

Our expert team can design and manufacture water pretreatment plants, incorporating your suggestions. Therefore, our systems are befitting for different industries.

So, if you need a powerful water pretreatment plant for any industrial or residential project, get in touch with NEWater today.

The Ultimate FAQ Guide for Water Pretreatment Systems.

Contaminated water can be extremely corrosive or harbor suspended elements, which can minimize the effectiveness of the chief water treatment system or result in equipment fouling. To counteract the undesirable implications of highly polluted water, a water pretreatment system is often attached to the primary treatment plant to precondition the respective feed water. The underlying article delves deeper into applicable water pretreatment systems and their application fields.

➣What is a Water Pretreatment System?

A water pretreatment system is a preconditioning unit often integrated into water treatment systems to ensure the feed water meets the operating specifications of the chief water treatment system. Essentially, the deployment of feed water pretreatment is a preventive measure aimed at prolonging the primary system’s lifespan and elevating the quality of potable water harvested.

Presently, there are numerous water treatment systems for users to exploit. These systems also employ varying water treatment processes, which can be physical, chemical, or biological in nature. They eliminate an extensive range of harmful constituents and can be assimilated into distinct water treatment plants.

➣What is the Importance of Water Pretreatment Systems?

In most instances, water treatment systems have an assimilated pretreatment chamber. Primarily, the pretreatment chamber comprises a set of equipment designed to remove water pollutants that could harm the main system. The use of media filtration systems is purposely designed to eliminate turbidity and suspended solids which can block membrane filters.

The employment of chemical dosing systems or activated carbon filters serves the primary role of conditioning the feed water’s chemical composition (e.g. pH and chlorine levels). With the feed water devoid of extreme hardness, suspended constituents, and volatile chemicals, it can be optimally treated without harming the primary plant.

➣Where are Water Pretreatment Systems Chiefly Used?

It is highly unlikely that you will come across an elaborate water treatment system lacking a water pretreatment system. They are indeed water treatment units used to precondition raw water for elevated results.

Therein, the application fields of water pretreatment systems are quite similar to those of water treatment plants. Water pretreatment systems are common tools in industrial, commercial, and personal water treatment applications. Principally, they are utilized as preconditioning chambers for:

• Reverse osmosis systems.
• Wastewater treatment systems.
• Drinking water systems.
• Seawater desalination systems.

➣What are the Benefits of Water Pretreatment Plants?

Water pretreatment systems are simply designed to nullify the fouling, scaling, and rusting effect of unconditioned feed water. In so doing, they uphold the system’s peak performances and facilitate sustained production.

Experts actually classify water pretreatment as a proactive maintenance technique that averts the untimely ruin of valuable water treatment systems. Additionally, they facilitate cost-efficiency by averting unnecessary repairs and component replacements.

➣Which is the Water Pretreatment Process?

Ideally, there are varying pretreatment technologies utilized by water pretreatment systems. Typical pretreatment processes used include media filtration, membrane-based filtration, and water softening.

Media filtration.

Essentially, the feedwater is injected and equivalently distributed atop the filtration media. The filter media could be a single-layer, dual-layer, or multiple layers made of a material such as sand, garnet, anthracite, gravel, or powdered carbon.

Owing to gravity or external pressure, the water trickles down the filter media as the suspended elements get captured by the filter media. Filtered water is ultimately harvested at the bottom and driven into the chief water treatment unit. Here is an illustration of the media filtration process.

Membrane-based pretreatment.

Membrane filtration processes like nanofiltration and ultrafiltration are regularly employed as pretreatment mechanisms for RO, electro deionization, and UV sterilizer systems. They depend on pressure to force raw water through partially porous membranes, which trap objectionable elements.

Water softening.

Ordinarily, water softening gets rid of ionic impurities like calcium and magnesium, which are the primary causes of water hardness. The water softener systems essentially substitute the anionic and cationic constituents with –OH and H+ respectively.

➣What are the Distinct Types of Water Pretreatment Systems?

To accommodate the pretreatment demands of the distinct water treatment systems and applications, NEWater has developed varying water pretreatment systems.

Water softener systems.

These are systems purposely designed to lower hardness levels to acceptable standards (75 mg/L or lower).  Typically, they eliminate Ca²⁺ and   Mg²⁺ ions through a process called ion exchange, which swaps them with desirable sodium ions.

Media filtration systems.

Media filtration systems are quite popular water pretreatment plants primarily tasked with removing suspended elements from raw water. There are varying forms of media filtration systems in use including;

• Multimedia filters.
• Pressure sand filters.
• Activated carbon filters.

Membrane-based pre-filters.

Membrane filtration systems like ultrafiltration filters and nanofiltration systems are pressure-driven units that alienate undesirable elements using semi-perforated membranes.  They are mainly used as pretreatment systems for reverse osmosis systems and in water purification systems.

Back to the guide ⇪

➣Which Water Pretreatment System is Best for Reverse Osmosis Systems?

Numerous pretreatment systems are compatible with reverse osmosis systems. However, the ideal pretreatment system is determined by the composition of harmful contaminants in the feed water. Ideally, most if not all RO systems have a media filtration system e.g. multimedia filters, which eliminate the undissolved constituents.

Additionally, two pretreatment systems can be integrated into reverse osmosis systems to effectively pretreat the feed water. For instance, sediment filters and a chemical dosing system especially in highly saline seawater or highly concentrated wastewater.

Back to the guide ⇪

➣How Much Do Water Pretreatment Plants Cost?

NEWater often pre-assembles the water pretreatment system together with the chief water treatment plant. Consequently, their prices are often tallied as part of the comprehensive system. There are however separate pretreatment systems whose price tags reflect their functional specifications, designs, and sizes.

Water pretreatment systems accrue two varying costs, equipment cost, and operational expenditures. The cost of operating a water pretreatment plant depends on the consumables e.g. chemicals for a chemical dosing system, repairs, and labor.

Moreover, the investment and operational costs vary depending on the type of water pretreatment equipment. Media filtration systems like pressure sand filters are relatively inexpensive compared to membrane filtration systems like ultrafiltration.

Back to the guide ⇪

➣Which is the Best Water Pretreatment System?

The distinct water pretreatment systems in operation have their respective strengths and weaknesses. They are primarily designed to pretreat distinct types of feed water and eliminate specific contaminants.

For the removal of suspended particles, multimedia filters are the best while activated carbon filters are the best for chlorine and VOCs removal. Ion exchange systems are the best pretreatment systems for removing water hardness.

Back to the guide ⇪

➣Which Contaminants do Water Pretreatment Systems Remove?

The varying water pretreatment plants have their respective strengths in eradicating specific pollutants. For comprehensive pretreatment, two or more pretreatment units are incorporated and this widens the scale of ejected pollutants.

Ion exchange systems particularly shrink water hardness by getting rid of the objectionable  Ca²⁺ and   Mg²⁺ minerals. Sediment filters get rid of suspended elements, debris, colloids, and dust particles while activated carbon filters remove VOCs, pesticides, chlorine, and bad smells. The membrane filtration systems, especially nanofiltration and ultrafiltration filters eradicate relative amounts of dissolved solids and microorganisms.

Back to the guide ⇪

➣Is it Mandatory to Have a Water Pretreatment System?

The need for a water pretreatment system is principally informed by feed water’s composition and concentration. Feedwater with relatively higher quality may not necessitate a complex water pretreatment plant. To determine whether you need a pretreatment system and the ideal equipment you need, you have to factor in the following aspects.

• The TSS levels (the number of suspended solids in your feed water).
• The turbidity.
• The feed water’s pH or chemical composition.
• Water hardness.

The extreme revelation of the above-mentioned elements in your feed water will necessitate a comprehensive pretreatment system. Our engineers will advise on the ideal pretreatment system based on your feed water’s attributes.

Back to the guide ⇪

➣What is a Water Post-Treatment System?

A water post-treatment system is essentially a water treatment device deployed to polish or refines the quality of outflow water from the chief water treatment system. Ideally, post-treatment systems are employed where the product water desired is ultra-pure water. Water post-treatment is largely optional and there are varying post-treatment systems at your disposal.

They are essentially supplemental water treatment systems that eradicate the pollutants that survived the primary water treatment processes. The prevalent water post-treatment systems include UV water sterilizers, electro deionization water systems, and activated carbon post-filters.

Back to the guide ⇪

➣What are Water Pretreatment Plants Made of?

The varying forms of water pretreatment systems are characteristically made of distinct constituents. The makeup of Media filtration systems constitutes filter media, filter vessels, pressure gauges, and control valves.

Membrane-filtration systems on the other hand comprise external pressure pumps, semi-perforated membranes, and user control boards. Water softener systems typically comprise DI exchange tanks, ion exchange resins, and control interfaces.

Back to the guide ⇪

➣Which Types of Feed Water Necessitate a Water Pretreatment System?

Ideally, different feed waters will exhibit distinct pollutants at varying concentrations.  Therein, different water pretreatment and treatment systems are necessitated by the different feed waters. However, feedwater with characteristically lesser contaminants rarely demands a water pretreatment system.

Seawater necessitates preconditioning using media filters like pressure sand filters to eradicate seaweed and other suspended pollutants. Groundwater often demands water softener systems due to the high presence of calcium, iron, and magnesium minerals underground. Wastewater may demand an activated carbon filter to remove volatile organic compounds, heavy metals, and chlorine.

Back to the guide ⇪

➣Which Water Treatment Systems Require a Water Pretreatment System?

Customarily, the decision to integrate a water pretreatment system is informed by the quality of the raw water rather than the chief water treatment system. Nonetheless, almost all water treatment systems could benefit from the deployment of an apposite pretreatment unit.

For reverse osmosis systems, media filtration systems are mandatory since RO systems are not suited to remove suspended elements. For UV water sterilizers, a pretreatment system to eradicate water turbidity is obligatory while electrodeionization water systems demand a pretreatment unit that eliminates non-charged pollutants.

Back to the guide ⇪

➣How do I Operate My Water Pretreatment Plant?

The operation of water pretreatment systems chiefly depends on the inherent operational module. Ordinarily, they are manufactured as manual, automatic, or semi-automatic systems. Nonetheless, the general operation of a water pretreatment unit is stress-free owing to the unsophisticated functions.

Manual water treatment systems necessitate human labor while automatic units rely on minimal human intervention. NEWater’s water pretreatment systems have user guides that explicitly illustrate the system components, the operation process, and the necessary maintenance routines.

Back to the guide ⇪

➣Can Activated Carbon Filters be Used as Water Pretreatment Systems?

Yes. Activated carbon filters are presently being utilized in distinct water treatment systems to eliminate volatile chemicals and metals. Their application scope is extensive ranging from the removal of undesirable tastes and odors in drinking water systems to the eradication of VOCs in wastewater treatment systems.

Additionally, they can be used as polishing systems in certain applications. Their removal of chlorine and other organic chemicals nullifies the corrosion and scaling effect of feed water. They are often integrated into a pretreatment chamber comprising sediment filters.

Back to the guide ⇪

➣Which Water Pretreatment Systems Suit Seawater Desalination Systems the Best?

Seawater harbors a distinct range of objectionable impurities and there is no standalone water treatment system that can thoroughly desalinate seawater. For a seawater desalination plant, an elaborate precondition system is obligatory. There are varying technologies utilized to pretreat seawater but the primary processes make use of media filtration systems and chemical dosing.

The seaweed and other suspended particulates are eradicated using multimedia or sediment filters while the VOCs are removed using activated carbon filters. Ultrafiltration and nanofiltration systems are also viable water pretreatment plants, especially for seawater reverse osmosis desalination systems.

Back to the guide ⇪

➣Where Can I Buy a Perfect Water Pretreatment System?

You cannot afford to look past NEWater when it comes to the purchase of water pretreatment systems. As an enterprising manufacturer, we custom-built our water pretreatment plants to be compatible with your chief water treatment equipment. We essentially provide you with a comprehensive water pretreatment unit best suited for your respective feed water.

With over 20 years of experience in this industry, we have earned a positive reputation from our peers, clientele, and regulatory authorities. Our unmatched production resources enable us to economically provide high-grade systems at fair price points. Partnering with us also makes you eligible for distinct services such as technical consultations, warranty protection, and doorstep delivery.

Back to the guide ⇪

➣Do Different Types of Feed Water Require Different Water Pretreatment Systems?

Yes. When purchasing a water pretreatment or treatment system, it is advisable that you first establish the composition and concentration of the raw water. This is because water pretreatment systems are specifically designed to get rid of certain constituents and tolerate specific conditions.

Highly concentrated or low-quality feed water will often demand several pretreatment systems due to the range of contaminants harbored. The ideal water pretreatment plant for seawater is way different from the ideal pretreatment system for well water or tap water. For informed selections, kindly consult our engineers.

Back to the guide ⇪

➣What are the Advantages of Using Media Filter as Water Pretreatment Plants?

Media filtration systems are principally utilized to eliminate turbidity, undissolved solids, and suspended particles from raw water.  They utilize filtration media such as sand, anthracite, gravel, and carbon. They are highly effective and can eradicate up to 99% of the suspended solids. Moreover, they are compatible with most if not all water treatment systems. Beneath, are the renowned pros of using media filtration systems.

• They are comparatively economical.
• They accommodate varying sources of feed water.
• They are compact and relatively portable.
• They reduce water turbidity and are environmentally friendly.

Back to the guide ⇪

➣What are the Pros of Using Chemical Dosing Systems as Water Pretreatment Systems?

Chemical dosing systems are primarily deployed to precondition the chemical composition of the feed water. They include the use of chlorination and often eradicate organic chemicals and heavy metals from raw water. They are ideal for use in wastewater and salty water treatment systems.

Essentially, chemical dosing systems help thwart the corrosion of water treatment equipment and pipes. They are tolerant to high temperatures and corrosive fluids, which makes them suitable solutions for highly concentrated raw water.

Back to the guide ⇪

➣Which Pretreatment Systems are Needed in UV Water Sterilizers?

For water to be effectively disinfected by a UV water sterilizer, it must be free of turbidity and suspended particles.  The presence of suspended constituents hinders the optimal exertion of the UV rays on the microbial pathogens present in the water.

As a result, prior treatment of the feed water is mandatory. The employment of multimedia filters to eliminate the TSS levels and lower turbidity is commonly done to precondition feed water for UV sterilizers. Other pretreatment systems that can be used to precondition raw water for UV disinfection are:

• Membrane filtration systems e.g. ultrafiltration and reverse osmosis.
• Ion exchange systems.
• Water softening.

Back to the guide ⇪

➣Can I Have My Water Pretreatment Plant Customized?

In developing our water pretreatment systems, we specifically base our innovations on the specificity of your need. As a comprehensive manufacturer, customization helps us satisfy the distinct requirements of our dissimilar client base.

Customarily, we customize the filter media material, the size of the granules, and filter tank diameters. We also customize the designs of our water pretreatment plants to your liking. Get in touch with NEWater and procure your dream water pretreatment system.

Back to the guide ⇪

➣Do You Deliver Water Pretreatment Systems Abroad?

NEWater guarantees doorstep delivery of water pretreatment systems in over 200 global destinations. We have a multinational client base comprising industries, commercial entities, and individuals spread out across the globe.

For efficient deliveries, we have collaborated with international courier firms with a credible past. After we have dispatched your water treatment equipment, you will have it delivered to your selected pick-up point in 2-7 days (small systems) and 2-3 months (enormous equipment).

Back to the guide ⇪

➣What Are Your Payment Terms for Water Pretreatment Systems?

In the spirit of fostering customer satisfaction, we have constituted a customer-friendly payment policy. First, we give you the liberty of choosing your preferred payment method, and using methods such as online payments allows you to complete the transaction from your phone or laptop.

In addition, our payment terms provide partial payments and optional full payments. Partial payments apply to relatively huge water treatment systems and necessitate a 50% initial installment. The remaining amount can be settled in two installments at 30% and 20% respectively.

Back to the guide ⇪

➣Do You Help Repair Defective Water Pretreatment Plants?

NEWater is a caring partner with elaborate plans designed to elevate your user experience. Whenever your water pretreatment system malfunctions, you are advised to instantly contact our customer support for assistance.

Under our lifetime repair services, a unit of proficient technicians will be assigned to resolve the malfunction hastily and adequately. For quality reasons, we use our independently manufactured spare components. To appreciate your loyalty, our repair charges are fairly discounted.

Back to the guide ⇪

➣Do You Help Install Water Pretreatment Systems?

In most cases, we integrate the water pretreatment system into the chief treatment unit at our facilities. However, certain water pretreatment units are manufactured and sold as separate systems. Their simplicity and seemingly plug-and-play components make their installation tranquil and hasty.

For such systems, we provide detailed installation manuals and video illustrations upon request. Moreover, NEWater provides on-site installation aid for large water treatment systems at fair charges.

Back to the guide ⇪

➣Which Maintenance Practices Are Needed by Water Pretreatment Systems?

Without proper maintenance, a water pretreatment system is unlikely to effectively meet its objectives and attain its optimum life expectancy. There are varying ways to maintain your water pretreatment plant but cleaning, repairs, and component replacements are the primary practices.

Cleaning media filtration systems is done using a backwashing process whereas membrane filtration systems can be automatically sterilized using a membrane cleaning skid. Ion exchangers necessitate periodic regeneration to restore optimum functioning. After you have selected your perfect water pretreatment system, our specialists will advise on the ideal maintenance practices.

Back to the guide ⇪

➣Do Your Water Pretreatment Plants Have Warranty Protection?

For the first year following your purchase of a water pretreatment system, your item will be under warranty protection. We are confident in the quality of our water treatment systems and our warranty policy is an assurance to our clients of our credibility.

Warranty-protected water pretreatment systems receive free repairs only if the defect is established to be caused by a mechanical mishap. Having the system first inspected by unauthorized personnel can lead to revoking the warranty protection.

Back to the guide ⇪