Pure Water & Clean Energy
Bringing Clean Water To Every Corner On Earth
Pure Water & Clean Energy
Bringing Clean Water To Every Corner On Earth
Most plants do not have one water problem, they have four — and they are usually solved by four different vendors who never speak. We design the whole water balance as one train.
A manufacturing plant rarely needs "water treatment" in the abstract. It needs rinse water clean enough not to leave spots on the product, boiler feed soft enough not to scale the tubes, cooling tower makeup that will hold its cycles, and a discharge that meets the permit. Those four duties have different purity targets, different flow profiles, and different failure consequences, and sizing any one of them from the plant total is how systems end up wrong.
| Typical capacity | 5,000 GPD to 500,000+ GPD per stream |
|---|---|
| Feed sources | Municipal supply, well water, recovered rinse water, cooling blowdown |
| Process and rinse water | RO permeate 10–20 µS/cm; DI polish below 0.1 µS/cm where specified |
| Boiler feed | Softening minimum; RO where make-up rate or boiler pressure demands it |
| Pretreatment | Multimedia or UF, softening, dechlorination, antiscalant to the feed analysis |
| Deployment | Skid-mounted for in-plant installation, containerized where floor space is unavailable |
Indicative starting points for budgeting. Every system is engineered against your actual feed water analysis and site conditions.
Custom-engineered treatment trains built around your feed analysis and purity targets.
Tap and well-fed RO for process, rinse and boiler make-up duty.
Softening for boiler feed, cooling makeup and RO pretreatment, sized on grain load and flow.
BWRO where the plant runs on brackish groundwater rather than municipal supply.
Reference material and equipment on our online store, ForeverPure Place:
Engineering guides on this site: SWRO design guide, water quality parameters, chemical dosing, membrane care.
It depends entirely on what a residue would cost. General industrial and parts-washing rinse typically runs on RO permeate at roughly 10 to 20 microsiemens per centimetre, which is clean enough to dry without spotting. Electronics, plating and optical work polish that RO permeate with deionisation to below 0.1 microsiemens per centimetre, and semiconductor-grade ultrapure water approaches 18.2 megohm-centimetre resistivity. Specify the final rinse first and design the train backwards from it.
Usually the other way around: softening comes first and protects the RO membranes from calcium and magnesium scaling. Whether you need RO at all depends on the boiler. Softening alone handles hardness, but it exchanges hardness for sodium and leaves total dissolved solids essentially unchanged, so a boiler that must run at higher pressure with tight conductivity limits needs RO to reduce TDS as well. Your boiler manufacturer's water chemistry limits are the specification, and they tighten sharply with operating pressure.
A cooling tower concentrates dissolved solids as it evaporates, and it must be blown down before those solids scale the fill and the condenser. The number of times the water can be concentrated before that happens is the cycles of concentration. Softening or partially treating the makeup commonly lifts cycles from three or four to six or more, which reduces both makeup and blowdown volume at once. The saving is in the water bill and the discharge cost simultaneously.
Frequently, and it is usually the best return in the plant. Rinse water is often the cleanest wastewater on site, carrying only a light load from the product being rinsed, so a recovery RO can return a large fraction of it to the front of the process. The economics turn on what is dissolved in it rather than on volume, so the first step is an analysis of the actual rinse discharge rather than an assumption that it is dirty.
Silica and calcium sulfate saturation in the concentrate, on most industrial feeds. The pump is rarely the constraint. Both limits are chemistry, which means they move if you change the feed: softening ahead of the RO removes the calcium that forms sulfate scale and lifts the achievable recovery further than antiscalant selection does. The recovery figure in a proposal should come from a saturation projection run on your actual analysis at the intended recovery, not from a rule of thumb.
Send us your feed water analysis and capacity requirement. Our engineers will size the system and return a budget proposal.
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