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Electro Water Separation (EWS)

 


OriginClear’s Electro Water Separation™ (EWS) technology is a smart and continuous flow system that efficiently dewaters and concentrates micro-algae.

EWS is available for licensing, and can be incorporated into complete systems, along with upstream and downstream functions such as pelletizing for feed.

EWS solves a major barrier to industrial-scale algae production: how to separate algae from large amounts of water and harvest these small algae particles.

Benefits

ews-algae-vials

Benefits of EWS for Algae Harvesting

  • Primarily chemical-free.
  • Energy efficient (approximately 0.7kWh per incoming m³).
  • Algae paste concentrated to a solids ratio of 5-10%.
  • Ability to harvest continuously and at scale.
  • Longer shelf life, due to natural bacterial decontamination.
  • Effluent water can be easily cycled back into growth system.

 

Test Results

 

Application Note

Astaxanthin: The Most Valuable Algae Product
EWS helps to industrialize the production of astaxanthin by sanitizing and concentrating the Haematococcus pluvialis (HP) algae.
Information is available on other high-value product harvesting, such as Omega3s. Download PDF here

 


EWS has been successfully tested on numerous strains of fresh- and salt-water microalgae, including B. braunii, H. pluvialis, Nannochloropsis sp., Tetraselmis sp., Chlorella sp. and Scenedesmus dimorphus.

EWS is validated to effectively remove harmful invaders and pathogens such as bacteria, rotifers, ciliates, protozoa, amoeba and parasites. Request our test results.

 

 

Process Overview

 

An EWS-based system can be located at a central processing area, or in modules at each pond or bio-reactor pod. When ready for algal harvesting, the dilute microalgae culture is fed directly from the growth systems into EWS without requiring prior pretreatment or concentration.

The touch-screen PLC (Process Logic Control) is used to precisely aggregate the algae in a substantially intact, stressed or completely ruptured state, as the downstream application may require.

As the raw algae biomass passes through the harvesting system, it is subjected to electrical fields generated in two stages:

  • First stage: aggregation of algae cells.
  • Second stage: extraction of aggregated cells.

Application

OriginClear Technologies Algae Harvesting Electro Water Separation

Powerful Natural Fertilizer

OriginClear licensee, AlgEternal uses EWS:AOx technology to create a powerful cost effective, natural fertilizer, which they believe can reduce conventional fertilizer costs by up to 40%.

In 2018, AlgEternal signed a formal licensing partnership, capping five years of continuous operation of OriginClear’s first-generation Smart Algae Harvester at its Texas headquarters.

In 2015, AlgEternal found that by using OriginClear’s technology to harvest pure algae, conventional fertilizer costs could be reduced by up to 40 percent. More recently, in February 2018, a Texas A&M team studied the effectiveness of Agtivate™ on rice,
showing that yields could be increased by 500 to 900 lbs per acre,
while reducing standard nitrogen up to 75%, when using Agtivate.

Download PDF Here

Water Tech Network

OriginClear licenses its core technologies to forward-looking and innovative technology companies and offers a limited number of exclusive partnerships to proven water industry professionals that are driving the advancement of solutions and water treatment systems to fill the urgent need of the people of our planet for clean and reliable water. Find out if your company or operation qualifies to join our Water Tech Network™. Become part of the team that operates Above and Beyond Clear Water™. Complete the form at bottom of page HERE.

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