Regardless of the condition of your water supply, brackish type water is more difficult to treat due to the increased probability for changes in salinity over time. This occurrence ultimately affects water prices since energy usage is elevated and the treatment process is burdened as a result of an upward movement of salinity throughout the groundwater.
A significant aspect for the effective running of a brackish reverse osmosis system is the RO feedwater quality, which becomes resolved by the consistency of the water body and the success of the pretreatment process.
Customizable & High Capacity
Pure Aqua engineers have designed a second line of commercial reverse osmosis systems. This line, RO-300 Series, features systems that are able to purify higher capacities of water and are therefore made with higher quality materials. These brackish RO systems ideally treat tap/brackish water for the application of drinking water or other commercial uses that require ultra-purified water.
Compared to the RO-200 Series, RO-300 Series is displayed vertically and made with heavy-duty materials to withstand the higher capacity that it produces. For example, stainless steel piping is used in RO-300 brackish reverse osmosis system. Whereas, the RO-200 uses standard tubing. The high pressure pump is 316L stainless steel. Each pressure vessel has multi membrane, and the vessels are installed horizontally.
Ultra-high-quality water for specific applications and is customizable depending on the application and source of the water. Pure Aqua, Inc. takes pride in their ability to offer the most appropriate solution for any water treatment need.
Brackish Reverse Osmosis Process
Brackish RO systems require pre-treatment of which is always included in the sale unless the water is already being treated. Pre-treatment systems depend on the quality of water that is treated along with the application. Taking those two into account is how our engineers recommend the most appropriate pre/post treatment for the system. Components of pre/post treatment include multimedia and activated carbon filters along with water softeners and UV sterilizers. A chemical dosing system and/or a cleaning skid are also incorporated into the system.
Brackish reverse osmosis systems are equipped to purify water from rivers, lakes, wells, and the sea. With high pressure pumps, water is pressurized to pass through a finely pored semi-permeable membrane and filter the water. Around 99% of contaminants including salts, bacteria, and other particles are removed leaving the water in its most purified form. The system releases the purified (permeate) water from one stream and the reject filled with concentrated contaminants from another. Depending on the application of the water, post-treatment may be applied.
High Capacity of BWRO Systems
The RO-300 series comes with many similar standard features as the RO-200 series. However, the capacity of RO-300 is a main differentiator between the two. RO-300 series is comprised of brackish reverse osmosis systems that can accommodate between 13,000 to 32,000 GPD with feed water TDS of 1000 ppm to 5000 ppm.
Pure Aqua’s RO systems are capable of removing salts as well as other impurities such as bacteria, sugars, proteins, dyes and constituents having a molecular weight greater than 150-250 Dalton. In addition, these RO systems have the ability to remove color, iron, odor, hardness, sulfur, and chlorine while being economical and efficient through the usage of Dow Filmtec, Hydranautics, and Toray membranes (Our systems are made in the USA).
Choosing the correct RO-300 model is simple. The following information must be provided:
The following information is requested to recommend the most appropriate system:
To find the most appropriate system for your use, please have the following information ready:
Flow rate (GPD, m3/day, etc.)
Feed water TDS and water analysis: this information is important to prevent membranes from fouling, as well as help us choose the correct pre-treatment.
Iron and manganese must be removed before the water enters reverse osmosis unit
TSS must be removed before commercial RO system
SDI must be less than 3
Water should be free from oil and grease
Chlorine must be removed
Available voltage, phase, and frequency
Dimensions of proposed area where commercial RO system will be installed
The cost of a system varies depending on which and how many pre/post treatments are needed to adequately treat the water and/or for the intended application.
The following are all the possible additional treatments to a reverse osmosis system that will ensure longevity and optimal purification:
Iron removal filter
High TDS application
Skid mounted system
Three phase system
Variable frequency drive VFD
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