Mastodawn

@gerrymcgovern Yikes! For some reason, I thought they were metal. That's not good.

@gerrymcgovern But at least there's this...
"Wind turbine blade reuse in civil engineering and other applications is in its infancy, and is not utilised on a larger scale, mainly because there is no information on the current stock of these blades in Ireland and their mechanical fitness to be reused in second life structures."

Gerry McGovern 2d ago

@DoomsdaysCW there are millions of them dumped in toxic graves that will poison for thousands of years. They just don't design this stuff to be reusable or recyclable. And we don't calculate these total costs to the environment. Once you can tick the box "reduces CO2" you can do practically any other harm you want.

https://www.siemensgamesa.com/global/en/home/explore/journal/recyclable-blade.html

Tyrone Slothrop 2d ago

@gerrymcgovern Siemens Gamesa is selling recyclable blades, it seems:

@DoomsdaysCW

RecyclableBlade

@slothrop @gerrymcgovern @DoomsdaysCW

Also wind turbine blades are not toxic.

https://www.nature.com/articles/s44183-024-00101-6

Gerry McGovern 2d ago

@billiglarper
Wind turbine blades are not toxic?

"Trace elements (TEs) from turbine corrosion-protection systems could generate significant ecosystem, economic, and human health risks. We calculate annual inputs for current European OWF capacity (30 GW) as: 3219 t aluminium, 1148 t zinc and 1.9 t indium, but these will increase ~12× by 2050, eclipsing known discharges."

"Paucity of industry data" allows harms to be hidden, as usual

@slothrop @DoomsdaysCW

Offshore wind energy: assessing trace element inputs and the risks for co-location of aquaculture - npj Ocean Sustainability

Co-locating aquaculture with Offshore Wind Farms (OWFs) is a novel global energy sustainability policy driver. However, trace elements (TEs) from turbine corrosion-protection systems could generate significant ecosystem, economic, and human health risks. We calculate annual inputs for current European OWF capacity (30 GW) as: 3219 t aluminium, 1148 t zinc and 1.9 t indium, but these will increase ~12× by 2050, eclipsing known discharges. However, a paucity of industry data makes it impossible to compare water and sediment TE concentrations at operational OWFs against toxicity thresholds, therefore, ecotoxicological risks are under assessed. TE accumulation in seafood is a major human exposure route. Accumulated high tissue concentrations in oysters, mussels and kelp during co-location culture would contribute significantly to or greatly exceed (e.g. oyster zinc accumulation) an adult’s Tolerable Weekly Intake. We provide an industry/regulator ‘road map’ for implementing key policy changes to minimise unintended risks of rapid global OWF expansion.

Nature

@gerrymcgovern @slothrop @DoomsdaysCW

You linked an article on corrosion protection of offshore wind farms, not on wind turbine blades.

https://www.sciencedirect.com/science/article/pii/S0921344924004695

About 70% of wind turbine blades (WTBs) are fiber reinforced polymeres(FRPs). "In addition to FRPs, WTBs typically incorporate polymeric adhesives, sandwich core materials such as balsa wood, as well as bonded joints, coatings (such as polyurethane), and metal lightning conductors"

Gerry McGovern 2d ago

@billiglarper
The idea that wind turbine blades are not toxic and do not pollute doesn't stand up to scrutiny.

Leading Edge erosion and pollution
from wind turbine blades
https://docs.wind-watch.org/Leading-Edge-erosion-and-pollution-from-wind-turbine-blades_5_july_English.pdf

@slothrop @DoomsdaysCW

@gerrymcgovern @slothrop @DoomsdaysCW

Are you trolling?

https://cleanpower.org/resources/microplastics-and-bpa-in-wind-turbine-blades/

Claims vs. Facts: Microplastics and BPA in Wind Turbine Blades | ACP

Wind turbine blade coating is not toxic and does not account for large – or any – emissions of BPA or microplastics. Claims have been made that wind turbine blades […]

ACP

TBH, I'm always a bit suspicious of lobbying associations, @billiglarper . #FollowTheMoney

@gerrymcgovern @slothrop

@DoomsdaysCW @gerrymcgovern @slothrop

But making up fantasy amounts of unhardened resin is ok?

Sorry, this is just made up flooding-the-zone-with-shit disinformation.

There's not much to say about fibre-reinforced plastic when using carbon or glass as fibers. It's very inert once hardened. It's simply not toxic.

Just think about the use cases outside of wind farms. From boating to lightweight planes and helicopers, to bycicles, car parts and sports gear. 🤷‍♂️

Gotta love that block button, @billiglarper . It's great for folks who like to argue and shout down folks. @gerrymcgovern @slothrop