Resources

Engineering and operating notes from our team.

Whitepapers, technical articles, sizing tools, and case studies — from the engineers who build and commission the systems. Practical, sourced, and free to use.

FEATURED WHITEPAPER

Dynamic membrane vs traditional filtration.

A side-by-side technical comparison of pre-coat dynamic membrane filtration against conventional UF, RO, and sand filtration — across pressure, flux, fouling profile, energy, and 10-year operating economics. Includes 12-month operational data from a Purus 100.5 deployment.

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Whitepapers

Long-form technical comparisons, datasheets and operational data.

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Case studies

Independently-validated trial outcomes at named Australian sites.

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ROI calculator

Run your numbers in 90 seconds. Vertical-specific coefficients, indicative payback.

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Technology

How dynamic membrane filtration works. Separation spectrum, comparison tables, IP context.

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Blog

Operating notes, technical deep-dives, and industry perspective from the team.

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Latest from the blog

Notes from the field.

TECHNICAL

How to cut chemical OPEX 70% on a manufacturing chiller

Walking through the Evolve Group install: bacterial fouling, head pressure collapse, and what changed in week one.

RAIN HARVESTING

Why your rainwater is probably failing the standard

49% of Australian tanks test positive for E. coli. Here's what the data says and what it means for commercial users.

INDUSTRY

RO pre-treatment economics — when does dynamic membrane pay back?

The break-even maths for installing a Purus stage upstream of an existing RO train. With CS Energy as the reference.

SUSTAINABILITY

Solar-pumped potable: making the maths work at 1.8 bar

Why 1.8 bar operating pressure changes what's possible for off-grid water — power-budget walkthrough.

FOOD & BEVERAGE

From discharge cost to discharge asset — brewery edition

How Terella turned a $25k/month waste-water bill into a livestock-grade water source.

REGULATION

Six Star Green Star water credits — what assessors actually want

The water-credit checklist most architects miss, and how dynamic membrane fits without penalising the energy score.

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