Wastewater Resources | Calculators, Gallery, Guides

Jul 27, 2026

Nematodes in activated sludge

Nematodes in activated sludge - what do they tell us about the process?Nematodes are metazoa that are often seen in various activated sludge configura...

Jul 20, 2026

Wastewater Process Calculators

New Open Resource: Wastewater Process CalculatorsMaji recently launched a new open-resource page on the website: wastewater process calculators.The pa...

Case StudyJul 1, 2026

Case Study: Improving a Long-Term Settling Problem at a ~8 MGD WWTP

A ~8 MGD (~30,000 m³/day) activated sludge plant had been dealing with very slow sludge settling for many years. The issue affected day-to-day operati...

Case StudyJun 2, 2026

18% Reduction in Electricity Consumption: Case Study

Over the last few months, Maji has been working closely with a 26 MGD plant, reported at approximately 120,000 m³/day, operating several biological re...

Case StudyMay 18, 2026

Activated Sludge Process Optimization: Case Study

This case comes from Acre WWTP, a ~10 MGD (~37,000 m³/day) wastewater treatment plant in Northern Israel. The plant is managed and operated by the Blu...

May 6, 2026

Wastewater Microorganisms and Filaments Gallery

Maji recently launched a new wastewater microorganisms and filaments gallery on the Maji website.The gallery is a practical visual reference for activ...

Case StudyApr 27, 2026

MBR Performance Improvement: 6.5 MGD Case Study

This case comes from a ~6.5 MGD (~30,000 m³/day) MBR plant, based on the plant’s official 2025 annual report.The plant reported that working with Maji...

Case StudyApr 12, 2026

Pilot to Full Deployment: 30 MGD Plant

Maji recently completed a successful pilot period with a ~30 MGD (~120,000 m³/day) activated sludge plant, which is now moving toward full implementat...

Feb 18, 2026

Introducing MAJI AI Process and Biomass Agent

Anyone working in wastewater treatment knows:1. Every plant has its own unique characteristics.2. Its own influent patterns.3. Its own operational lim...

Case StudyJan 21, 2026

Microthrix Foaming in Activated Sludge: Early Detection: Case Study

This case comes from a wastewater treatment plant that had a recurring foaming problem linked to Microthrix parvicella.Microthrix parvicella is one of...

Case StudyJan 6, 2026

Case Study: Inorganic Particles in Activated Sludge

During biomass analysis, Maji detected a high presence of inorganic particles inside the activated sludge. The particles appeared in a wide size range...

Dec 8, 2025

Bristle Worms in Activated Sludge

One of the largest. Bristle worms in wastewater treatment. What do they tell us about the process?Bristle worms are multicellular organisms, part of t...

Dec 3, 2025

Filament Index & SVI in Activated Sludge

Filament Index & SVI 🦠. The importance of combining data with process expertise.This example from a 6 MGD (~22,000 m3/d) plant shows how operatio...

Case StudyNov 20, 2025

Case Study: S.natans Filaments & Bulking Prevention - Maji Early Warning

This case comes from a ~6.5 MGD (~30,000 m³/day) wastewater treatment plant that was receiving scavenger waste as part of its regular operation. For t...

Nov 5, 2025

Rotifers in Activated Sludge

Rotifers in wastewater treatment. what they tell us about the process?Rotifers are multicellular organisms. Usually they are the first metazoans to sh...

Oct 20, 2025

Stalked Ciliates in Activated Sludge

Stalked ciliates in wastewater treatment. What do they tell us about the process?Stalked ciliates are protozoa that attach themselves to flocs or part...

Oct 3, 2025

35-44 °C (95-111 °F) for ~1 week in a row

35-44 °C (95-111 °F) for ~1 week in a row. That was the temperature in Israel last week.This extreme event gave us a great lesson regarding the effec...

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