Reverse Osmosis Chemicals — Product Range

TL;DR Distinguish scale prevention from membrane cleaning. Match a proposed antiscalant to the feed analysis and recovery design; match an acid or alkaline cleaner to the diagnosed foulant and membrane OEM requirements. Confirm compatibility for the exact grade, membrane and operating conditions.

Reverse Osmosis Chemicals are the antiscalants, dispersants and membrane cleaners that keep reverse-osmosis and nanofiltration membranes clean and efficient.

In this category: This category covers RO antiscalants and dispersants (WT-0100/150/191/200 and WTASD-200) that prevent carbonate, sulfate and silica scale at high recovery, plus acid and alkaline membrane cleaners (WT-260, WT-261) for offline cleaning. Read the RO antiscalant selection and membrane cleaning guides for dosing.

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Distinguish scale prevention from membrane cleaning. Match a proposed antiscalant to the feed analysis and recovery design; match an acid or alkaline cleaner to the diagnosed foulant and membrane OEM requirements. Confirm compatibility for the exact grade, membrane and operating conditions.

Selection inputs

  • Membrane model and OEM requirements
  • Feed/concentrate analysis and recovery design
  • Foulant or scale evidence
  • Pretreatment, feed points and current chemicals

Documents and supply

Identify the proposed grade, required quantity, packaging and destination. Ask which specification, TDS, SDS and batch-document options apply to that offer.

Technical documents · Company certificate scopes

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Reverse osmosis chemicals are a powerful tool for water filtration. They can remove impurities and contaminants from water, as well as reduce sediment levels in order to make the water safe to drink. These chemicals can also be used to treat wastewater or brackish water before it is sent out into the environment. The reverse osmosis process works by pushing contaminated water through a semi-permeable membrane. This membrane filters out all of the contaminants that were present in the previous state, effectively making the water clean and safe for consumption.

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Reverse Osmosis Chemicals — Frequently Asked Questions (FAQ)

What chemicals are used in reverse osmosis?

RO systems use antiscalants and dispersants dosed continuously to the feed to prevent carbonate, sulfate and silica scale, and periodic acid and alkaline cleaners to remove scale, colloids, organics and biofilm from the membranes. A biocide is used where biofouling is a risk.

How do I choose an RO antiscalant?

Match the antiscalant to the scale risk in your concentrate — carbonate, sulfate or silica — and to your target recovery, and confirm the dose with a membrane projection and your feed-water analysis. Silica needs a specialty antiscalant. See our RO antiscalant selection and dosing guide.

What should I include in a Reverse Osmosis Chemicals — Product Range enquiry?

For RO antiscalant or cleaning-product selection, include membrane model and oem requirements; feed/concentrate analysis and recovery design; foulant or scale evidence; pretreatment, feed points and current chemicals. State the proposed grade or specification, quantity, packaging and destination so the product and commercial requirements can be compared.
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