What Are the Primary Uses of Plastic?

Mr. McGuire: I just want to say one word to you. Just one word.
Benjamin: Yes, sir.

Mr. McGuire: Are you listening?

Benjamin: Yes, I am.

Mr. McGuire: Plastics

--The Graduate (1967)

Do you remember that scene from The Graduate? It takes place at Dustin Hoffman's grad party. For me it was one of the most memorable lines in the film. "Plastics."

Most of us at this point in human history take it for granted. We grew up in a world where plastic is everywhere, and we never give it a thought as to where it came from. That is why I wrote Monday's post Where Do Plastics Come From?

All across the country, Duluth included, cities are working to eliminate lead pipes, most of it currently being replaced with PVC and other plastic materials or (expensive) copper. Likewise, we've been replacing lead paint with latex paints, which are polymeric. (Synthesized hydrocarbons.) 

Plastics are exceedingly versatile materials used across numerous industries due to their durability, flexibility, and low cost. We hardly realize how extensively plastics are used, hence the following list is a reminder. 

1. Packaging (40% of global plastic use):
• Single-use plastics like bottles, bags, food wrappers, and containers (e.g., polyethylene, PET).
• Used for food, beverages, cosmetics, and consumer goods due to lightweight, protective properties.
2. Construction (20%):
• Pipes, insulation, flooring, and window frames (e.g., PVC, polyethylene).
• Valued for durability, corrosion resistance, and insulation.
3. Automotive (10%):
• Interior components, bumpers, dashboards (e.g., polypropylene, ABS).
• Reduces vehicle weight, improving fuel efficiency.
4. Electronics (6%):
• Casings for phones, computers, and appliances (e.g., polycarbonate, ABS).
• Provides insulation and lightweight durability.
5. Textiles (7%):
• Synthetic fibers like polyester and nylon for clothing, carpets, and ropes.
• Offers strength and flexibility.
6. Medical (5%):
• Syringes, IV bags, prosthetics, and sterile packaging (e.g., PVC, polypropylene).
• Ensures hygiene and biocompatibility.
7. Agriculture (3%):
• Mulch films, greenhouse covers, and irrigation pipes (e.g., polyethylene).
• Enhances crop protection and water efficiency.
8. Other Uses (9%):
• Includes toys, furniture, and industrial applications (e.g., acrylics, polyurethane).
• Versatile for custom molding and design.

In 2021, ~390 million tons of plastic were produced worldwide, with packaging dominating due to its widespread use in consumer goods.

These plastic products are generated by processing crude oil and natural gas. When Greenpeace says they want to put the oil companies out of business, they hardly realize what they are saying. Furthermore, we'd also be unable to convert wind into energy or generate solar power because hydrocarbons are necessary for wind turbines and solar panels.

Hydrocarbons in Wind Turbines and Solar Panels

Hydrocarbons, primarily derived from petroleum and natural gas, are integral to the production of wind turbines and solar panels, as they are used to manufacture plastics and other materials. Here’s a breakdown:

Wind Turbines

Wind turbines rely on hydrocarbons for key components, particularly plastics and composites:

1. Blades:
• Made from composite materials like fiberglass-reinforced polyester or epoxy resins (both petroleum-derived).
• These composites use hydrocarbons for the resin matrix (e.g., epoxy derived from benzene, a petroleum product) and reinforcing fibers.
• A typical 50-meter blade contains ~20-25% resin by weight, equating to ~2-3 tons of hydrocarbon-based materials per blade.
2. Nacelle and Tower Components:
• The nacelle (housing the generator) uses polycarbonate and polyurethane for casings and insulation, both derived from hydrocarbons. 
• Coatings and paints (petroleum-based) protect against corrosion.
• As with everything that has moving parts, lubricants are necessary. The synthetic gear lubricants inside the nacelle must be changed periodically just like the oil in your car engine. 
3. Manufacturing and Transport:
• Hydrocarbons are used in lubricants, mold-releasing agents, and energy for manufacturing processes.
• Transporting turbine components relies on fossil fuel-powered ships, trucks, and cranes.

Quantification:

• A single 2 MW wind turbine may require ~50-100 tons of materials, with ~10-15% being hydrocarbon-based plastics or composites (5-15 tons per turbine).
• For a 100 MW wind farm (~50 turbines), this translates to ~250-750 tons of hydrocarbon-derived materials.

Solar Panels

Solar panels also depend on hydrocarbons for various components:

1. Encapsulation and Backsheets:
• Ethylene-vinyl acetate (EVA), a petroleum-derived plastic, is used to encapsulate solar cells, protecting them from moisture and UV damage.
• Backsheets often use polyvinyl fluoride (PVF) or polyester (PET), both hydrocarbon-based.
2. Frames and Mountings:
• Frames are typically aluminum, but mounting systems may use polypropylene or PVC for components like junction boxes or cable insulation.
3. Manufacturing:
• Hydrocarbons are used in solvents, adhesives, and energy-intensive processes like silicon purification (requiring ~100-150 kWh/kg of silicon, often powered by fossil fuels in many regions).
• Polysilicon production relies on trichlorosilane, a hydrocarbon-derived chemical.

Quantification:

• A typical 350 W solar panel contains ~0.5-1 kg of plastic (EVA, PET, etc.), equivalent to ~0.5-1 kg of hydrocarbon-derived materials.
• For a 1 MW solar installation (~2,857 panels), this equates to ~1.4-2.9 tons of hydrocarbon-based plastics.
• Additional hydrocarbons are used indirectly in manufacturing and transport, but exact amounts vary by region and energy mix.

Broader Context

• Energy Input: Both wind and solar rely on fossil fuels for manufacturing. For example, producing a wind turbine generates ~10-20 tons of CO2 equivalent, and a solar panel ~0.3-0.6 tons CO2 per kW, largely due to hydrocarbon-based materials and energy.
• Recycling Challenges: Plastics in turbines and panels are hard to recycle due to their composite nature, leading to waste management issues.
• Renewable Alternatives: Some research explores bio-based resins (e.g., plant-derived epoxies) for turbines or panels, but these are not yet widely adopted.

Getting rid of oil sounds like an easy and noble objective to many but as with most things, the devil is in the details.

Summary:

• Plastics, mostly hydrocarbon-derived, are critical for packaging, construction, automotive, electronics, medical, agriculture, and more.
• Wind turbines use roughly 5-15 tons of hydrocarbon-based materials per 2 MW turbine, mainly in blades and casings. Solar panels generally use 1.4-2.9 tons per MW, primarily in encapsulation and backsheets.

EdNote: The information on this page was gathered from Grok (X.com LLM),  Google and years of reading.

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Are You Protopian, Utopian or Dystopian?

https://pioneerproductions.blogspot.com/2016/07/are-you-protopian-utopian-or-dystopian.html

Goin' Nuclear: Current and Recent Stories

Many experts believe that energy will become the biggest issue of the coming century. I believe the case can easliy be made that this is so. Hence, since last year I have begun collecting books and articles to study and share. Here are some interesting stories on this urgent and timeless topic.

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The Owner of Three Mile Island Is Turning the Nuclear Power Plant Back on to Fuel Microsoft's AI Operations
In this latest skirmish between the future and its enemies, the future won.
CHRISTIAN BRITSCHGI | 9.20.2024
https://reason.com/2024/09/20/the-owner-of-three-mile-island-is-turning-the-nuclear-power-plant-back-on-to-fuel-microsofts-ai-operations/?utm_medium=reason_email&utm_source=new_at_reason&utm_campaign=reason_brand&utm_content=Kamala%20Harris%20Is%20Not%20an%20Ideas%20Candidate&utm_term=&time=September%2020th,%202024&mpid=46710&mpweb=2534-4502-46710

Is nuclear power safe?
Yes. The safety record of generating electricity from nuclear power is the same as that of wind turbines and solar panels globally. We understand that anything involving nuclear technologies can evoke public concern. However, most modern technologies have inherent risks, be it flying in airplanes, undergoing surgery, or simply having electricity in our homes - all of these have the potential to cause both great harm and provide tremendous benefit. As a society we make these benefits available safely to the public by considering the risks, developing safety regulations, and learning from our mistakes. Nuclear power is no different.                                 

Modern nuclear plants are safe because we build robust containment structures and automated fail-safe systems ensure safe operation. Strict safety regulations and oversight have enabled the industry to operate for over 70 years with negligible impact on public health and safety. As with other industries like aviation, lessons learned from prior incidents continue to the already remarkable safety record.

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Energy Bad Boys

Enjoy the blackouts, Jack

The Biden administration’s reckless EPA regulations endanger us all
https://energybadboys.substack.com/p/enjoy-the-blackouts-jack?utm_source=substack&utm_medium=email

Nuclear Energy Progress and Regress: A Comparative Status Report

https://pioneerproductions.blogspot.com/2024/02/nuclear-energy-progress-and-regress.html

Grid Fragility and a Book by Meredith Angwin

https://pioneerproductions.blogspot.com/2021/09/grid-fragility-and-book-by-meredith.html

Is Our Energy Grid at Risk?  

http://www.businessnorth.com/businessnorth_exclusives/is-our-energy-grid-at-risk/article_8c762ece-c44b-11ee-a7e0-4f412ac3356d.html
Business North

Joe Miller Discusses the Power Grid: Where Are We Now and Where Are We Going?

https://pioneerproductions.blogspot.com/2024/01/joe-miller-discusses-power-grid-where.html

The Biggest Drawbacks of Solar Panels

https://pioneerproductions.blogspot.com/2023/11/the-biggest-drawbacks-of-solar-panels.html

 
Power to Keep the Lights On, That's All I Ask 

https://pioneerproductions.blogspot.com/2024/02/power-to-keep-lights-on-thats-all-i-ask.html

US falling far behind China in nuclear power, report says

The United States is between 10 and 15 years behind China in rolling out next-generation reactors, research institute says.

https://www.aljazeera.com/economy/2024/6/17/us-falling-far-behind-china-in-nuclear-power-report-says

The Biggest Drawbacks of Solar Panels

Photo by American Public Power Association on Unsplash

According to the MISO Dashboard, Solar produced one Mw of the 66.828 Mw in the 14 state upper midwest region today. Two thirds of the energy we relied on today came from coal and natural gas. A little less than a quarter was wind, and the rest primarily nuclear

Despite the emphasis on renewable energy sources, it's apparent we are long ways from satisfying current Net Zero targets or expectations. I decided to ask ChatGPT what the biggest drawback of solar energy were, and received this detailed reply: 

While solar panels are a clean and renewable source of energy, there are some drawbacks and challenges associated with their use. Here are some of the main drawbacks:

• Intermittency and Variability: Solar power generation is dependent on sunlight, making it intermittent and variable. Cloud cover, time of day, and seasonal changes can affect the efficiency of solar panels. Energy storage solutions or alternative power sources may be required to address this intermittency issue.
• High Initial Costs: The upfront cost of purchasing and installing solar panels can be relatively high. While the costs have been decreasing over the years, the initial investment can still be a barrier for some individuals or businesses. Government incentives and subsidies can help mitigate this issue.
• Land Use Concerns: Large-scale solar installations may require significant land area. This can raise concerns about land use, especially in densely populated areas or regions with limited available space. Balancing the need for renewable energy with land conservation and other land uses can be a challenge.
• Energy Storage Challenges: Storing solar energy for use during periods of low sunlight can be challenging and may require additional technologies, such as batteries. Current energy storage solutions, while improving, may have limitations in terms of efficiency, cost, and environmental impact.
• Resource and Environmental Impact: The production of solar panels involves the extraction and processing of raw materials, some of which are non-renewable. Additionally, the manufacturing process and disposal of solar panels can have environmental impacts. Efforts are being made to improve the sustainability of solar panel production and recycling processes.
• Aesthetic Concerns: Some people find the appearance of solar panels on buildings or landscapes unappealing. Aesthetic considerations can be a factor in the adoption of solar technology, particularly in residential areas.
• Geographic Limitations: Solar energy generation is more efficient in regions with abundant sunlight. Areas with frequent cloud cover or long periods of darkness may not benefit as much from solar power without additional support from other energy sources.

One other concern regarding solar panels is their lifespan. I'm currently trying to confirm this, but solar panels become increasingly inefficient over time and need to be replaced every twenty years. Which means they will create rather mountainous garbage dumps around the country and around the world wherever they are utilized and discarded. By way of contrast, I was told (all these facts need to be confirmed) that all the nuclear waste of the past sixty years could be stored in an Olympic sized swimming pool.  

Leave a comment and identify your sources if you have more accurate numbers. 

The topic of energy creation and use is an important one. I hope to continue providing information that is useful, insightful and thought provoking on this topic going forward.

Meantime, life goes on all around you. Engage it.

Ideas for Entrepreneurs: The Coming Solar Panel Waste Business

Photo by Moritz Kindler on Unsplash

Since the early 2000s, the amount of solar panels being installed worldwide has been growing exponentially, and it’s expected to continue to do so for decades. By the end of 2015, an estimated 222 gigawatts worth of solar energy had been installed worldwide. According to a recent report (PDF) from the International Renewable Energy Agency, that number could reach 4,500 GW by 2050.

But the solar panels generating that power don’t last forever. The industry standard life span is about 25 to 30 years, and that means that some panels installed at the early end of the current boom aren’t long from being retired. And each passing year, more will be pulled from service — glass and metal photovoltaic modules that soon will start adding up to millions, and then tens of millions of metric tons of material.

Nate Berg
"What will happen to solar panels after their useful life is over?" 
GreenBiz.com, May 11, 2018

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In 1980, I spent part of a year spray painting expensive black paint on metal solar panels. If I recall correctly, the paint had been developed by NASA for satellite solar panels. As anyone who took physics in high school knows--or who has paid any attention to how their clothing reacts to sunlight--black surfaces  absorb more heat from the sun than white surfaces. 

EdNote: What I remember most about the job was that the paint cost $80 a gallon, which would be $288 today adjusted for inflation.

A couple years later we attended a church in St. Paul which had as one of its members the president of the company I painted panels for. It was no longer in business. The only way it could survive was through government subsidies, and the subsidies went dry. 

In 2009 the Obama administration co-signed a $535 million loan to Solyndra, a solar panel company which was going to lead the way to a solar-powered future. This, too, proved to be a failed venture that cost taxpayers money.

The problem here is that once things become politically driven instead of market-driven, they eventually cease to be a reliable venture because it's all too often driven by ideology rather than market forces and common sense.  

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The world's landscapes are going to look very different someday. Regarding those tens of millions of tons of discarded solar panels... how much of that can be recycled? If you start studying this potential market opportunity, is there a way to be on the forefront and build a business around this need?

That might be a million dollar question.

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Well, this is just an idea seed. If you have an entrepreneurial bent and want to start a business ahead of the growth curve, this may be something to look into. Who in your neighborhood is knowledgeable about recycling or disposing of the materials solar panels are made of? Probably no one. So why not become the expert in this field? 

The ball's in your court.