THE UNIVERSITY OF IDAHO CLEAN WATER MACHINE HARNESSING NATURE FOR - - PowerPoint PPT Presentation

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THE UNIVERSITY OF IDAHO CLEAN WATER MACHINE HARNESSING NATURE FOR - - PowerPoint PPT Presentation

May 12, 2023 321 likes •704 views

THE UNIVERSITY OF IDAHO CLEAN WATER MACHINE HARNESSING NATURE FOR SUSTAINABLE SOLUTIONS TO THE GRAND CHALLENGE OF CLEAN WATER Gregory Mller Harnessing Nature for Clean Water: The alchemy of WASREC Water Air Sand Rust

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THE UNIVERSITY OF IDAHO CLEAN WATER MACHINE

HARNESSING NATURE FOR SUSTAINABLE SOLUTIONS TO THE GRAND CHALLENGE OF CLEAN WATER

Gregory Möller

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Harnessing Nature for Clean Water: The alchemy of WASREC

Water – Air – Sand – Rust – Electricity - Charcoal

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Contribute to a global epidemic

  • f eutrophication in freshwater,

estuarine and near shore ocean environments Phosphorus discharged from

  • ut-of-date sewage treatment plants,

intensive livestock production and lost via agricultural erosion and runoff

Global Phosphorus Research Initiative

Florida Algae

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Loss of potable water resources, aquatic biodiversity and formation of large “dead zones.”

Arabian Sea

Global Phosphorus Research Initiative

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Clean Water Machine - Mobile Research

Third Generation Reactive Filtration

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Reactive Filtration (RF)

Physical filtration combined with reactive chemistry (or microbiology) to modify water contaminants, including pathogens, and remove or destroy them from water.

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Reactive Filtration

Upflow Continuous Backwash Moving Bed Sand Filter

Reject recycling Allows Fe:P ratio 2:1 Wastewater + Fe3+

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RF-Sacrificial Adsorptive Catalyst

Hydrous Ferric Oxide (HFO) Coated Sand Fe3+

Blue PRO/Green PRO

Fe3+/2+ + Ozone Blue CAT/Green CAT Biochar N-E-W Tech Aragonite (CaCO3) Maximus

Scanning Electron Micrographs

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Sand surface with HFO-coating Contaminants coordinate w/ HFO

Fe P

RF-Adsorption by HFO

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UI Reactive Filtration (RF)

  • Modeled on nature: Whole System Architecture
  • Six issued and licensed patents
  • Four patents pending
  • 2009 WEF/WERF Harrison Prescott Eddy Research Medal
  • “25 Innovations That Changed the World” (AUTM)
  • Several billion gallons of water treated per year
  • Several million people with a softer footprint on the planet
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Citronelle, Alabama

Currently the lowest TP discharge permit in the US: at 0.022 mg/L Commissioned in March ‘16 at <0.010 mg/L US NPDES report mean 2017 at 0.011 mg/L

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2017 Average 0.011 mg/L Discharge Permit 0.022 mg/L

USEPA ECHO Database

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99.7%

TP Removal

from 3.5 to 0.011 mg/L Oligotrophic Nutrient Level

Citronelle, AL USA WWTF

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Catalytic Oxidation Fe2+/3+ + Ozone

Clean Water Machine 2. Homogeneous-Heterogeneous catalysis 3. HFO as a sacrificial d-orbital catalyst 4. Reactive filter as a massive, continuously regenerated, catalyst bed Yields: Hydroxyl radicals, ferryl/ferrate ions, peroxides, ozone, oxygen, free radicals…

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Fe (500,000 g) Cu (15,000 g) Ni (5,300 g) Pd (6.4 g)

. . .

Rh (0.5 g) Pt (2.0 g) Au (2.6 g)

Treitler, 2010

Iron Catalysis: What US$100 Buys You

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Secondary Effluent RF CATOX Product Effluent Recycled Reject Effluent [5%]

RF Catalytic Oxidation Results

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ng/L

Catalytic Oxidation: CEC Destructive Removal

Compounds of Emerging Concern, Micropollutants, Priority Substances

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Catalytic Oxidation: Sterilization

  • E. coli
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1800 m3/day trial of Fe2+ plus ozone catalytic oxidation in a moving bed sand filter: Blue CAT/Green CAT process. 2016-17 UKWIR CIP2 $178M country-wide technology trials address Priority Substance and Total Phosphorus removals.

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Biochar BioCarbon

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Nutrient-Energy-Water

N-E-W Tech™

“Biochar Water Treatment” N/P Recovery

Carbon Negative

Water Treatment Soil Amendment System

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Biochar Reactor

N-E-W Tech™

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N-E-W Terra™/Moo Terra™

N-E-W Tech™ Enhanced Efficiency Fertilizer

  • 1. Nutrient-Upcycled Biocarbon Fertilizer
  • 2. N-E-W Terra™ Municipal WWTP
  • 3. Phosphorus: 1.7% w/w (13X upcycle)
  • 4. Nitrogen: 0.8% w/w (3X upcycle)

Preliminary greenhouse data shows the nutrient upcycled biochar has a positive growth effect.

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N-E-W Tech Net Total per 1000 gallons (3785 liters)

System Input/Output GWP mass CO2 equivalent

WATER SYSTEM BOUNDARY TOTAL 3.32 kg Nutrient Upcycled Biochar Soil Amendment

  • 11.8 kg

WATER SYSTEM + SOIL BOUNDARY TOTAL

  • 8.02 kg

Global Warming Potential (GWP)

Carbon Negative Advanced Water Treatment Process

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Energy-Water Sankey Diagram

Water – Air – Sand – Rust – Electricity - Charcoal

The challenge of sustainability …with economic sustainability

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Planktonic Biogenic Aragonite CaCO3 Carbon “Neutral” Calcium Source

Maximus

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Clean Water Machine Team