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Gross-Wen Technologies Algae-Based Wastewater Treatment System in Slater

Sector: Water Supply and Storage • Location: Slater, Iowa, United States

Source: The Des Moines Register

Project
Operational

Gross-Wen Technologies developed a sustainable wastewater treatment system using algae-based Revolving Algal Biofilm (RAB) technology. The system uses vertical conveyor belts with algae that consume nitrogen and phosphorus from wastewater, producing nutrient-rich algae pellets used as fertilizer. The commercial system in Slater is designed to treat the city's water for 20 years.

Status
Under Construction
Sector
Water Supply and Storage, Commercial, Fertilizers
Location
Slater, Iowa, United States of America
Updated
22 Jul 2026
Source
The Des Moines Register

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Project Information

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The project “Gross-Wen Technologies Algae-Based Wastewater Treatment System in Slater” is an infrastructure initiative in the Water Supply and Storage sector, located in Slater, Iowa, United States. Taiyo aggregates data on it from The Des Moines Register.

Participants

Not available for this record.

Status

Original status

operational

Taiyo status

Under Construction

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

Gross-Wen Technologies developed a sustainable wastewater treatment system using algae-based Revolving Algal Biofilm (RAB) technology. The system uses vertical conveyor belts with algae that consume nitrogen and phosphorus from wastewater, producing nutrient-rich algae pellets used as fertilizer. The commercial system in Slater is designed to treat the city's water for 20 years.

Original sector

Water Infrastructure

Location

Country

United States of America (USA)

State

Iowa

City

Slater

Source

Source

The Des Moines Register

URL

More Details

Record type

Project

Sector

Water Supply and Storage, Commercial, Fertilizers

Article published date

2025-09-15

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