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Audi makes diesel from CO2 and water (Read 2562 times)

issuevoter Gold Member Offline Australian Politics Posts: 9200 The Great State of Mind Gender:	Re: Audi makes diesel from CO2 and water Reply #30 - Apr 30^th, 2015 at 9:26pm Check back through the posts. You will find similar comments. I hope you graduate from Primary School.
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Bam

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Re: Audi makes diesel from CO2 and water
Reply #31 - Apr 30^th, 2015 at 9:27pm

miketrees wrote on Apr 30^th, 2015 at 2:02pm:

Hi Bam

I wish some one would offer me squillions to do some research on the selection of algae for carbon capture.

While working in the mines I noticed that where ever we built a pond algae would soon colonise, didn't seem to mater how saline the water was.

There is probably a huge spread of genetic variability in our wild algaes

if we could harvest them, and select the traits we were looking for, perhaps we could utilise saline ponds (which we have in excess) to soak up some CO2 from the exhausts of our power plants.
Perhaps the algae could be harvested via pumps and filters, the hydrocarbons removed from them and the waste returned to the saline ponds as a nutrient for more algae.

I see this as one possible stopgap measure until we can move a bit further away from our carbon economy.

Algae is indeed a viable source of biodiesel, if you have the right strains. Some algae can be as much as 50% oils by mass.

Widescale Biodiesel Production from Algae (originally published by University of New Hampshire (US) Biodiesel Group)

What is probably not viable is the idea of growing plants like canola for biodiesel, especially if those plants require arable land.

You are not entitled to your opinion. You are only entitled to hold opinions that you can defend through sound, reasoned argument.

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miketrees Gold Member Offline Australian Politics Posts: 6490 Gender:	Re: Audi makes diesel from CO2 and water Reply #32 - May 2^nd, 2015 at 12:01pm Thanks IV and Bam Got to be careful when scientists design things, they can over complicate things. They need a farmer on the team, that can grow algae in the most simple and cheap way. Our North West would be perfect for growing algae, the only thing missing might be the CO2.
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Bam

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Re: Audi makes diesel from CO2 and water
Reply #33 - May 2^nd, 2015 at 1:45pm

miketrees wrote on May 2^nd, 2015 at 12:01pm:

Thanks IV and Bam

Got to be careful when scientists design things, they can over complicate things.

They need a farmer on the team, that can grow algae in the most simple and cheap way.

Our North West would be perfect for growing algae, the only thing missing might be the CO2.

I have been considering WA's potential for producing artificial fuels for some time. Biodiesel from algae or synthetic diesel by Sunfire's process could both be produced there. As long as the equipment is robust enough to survive an occasional direct hit from a cyclone, WA could be on a winner.

We just need to overcome the Liberal Luddites who insist on a 19th-century approach to energy. ("Coal first"? Really?)

You are not entitled to your opinion. You are only entitled to hold opinions that you can defend through sound, reasoned argument.

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Bam

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Re: Audi makes diesel from CO2 and water
Reply #34 - May 2^nd, 2015 at 1:54pm

miketrees wrote on May 2^nd, 2015 at 12:01pm:

Got to be careful when scientists design things, they can over complicate things.

They need a farmer on the team, that can grow algae in the most simple and cheap way.

The right method needs to be chosen. Algae for biodiesel cannot always be grown in open ponds because it can be contaminated with undesirable strains of wild algae. Weeds can occur with algae too.

Kelp is a viable alternative. It's very vigorous and easy to grow. It may even offer side benefits - kelp beds attract marine life and could be a boon for commercial fishing by providing shelter for growing fish.

You are not entitled to your opinion. You are only entitled to hold opinions that you can defend through sound, reasoned argument.

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miketrees Gold Member Offline Australian Politics Posts: 6490 Gender:	Re: Audi makes diesel from CO2 and water Reply #35 - May 3^rd, 2015 at 10:59am kelp beds attract marine life and could be a boon for commercial fishing by providing shelter for growing fish. I want to use something that has been degraded or is seen as having no value, old mine sites, While messing with the ocean has some potential down sides.
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Bam

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Re: Audi makes diesel from CO2 and water
Reply #36 - May 3^rd, 2015 at 12:37pm

miketrees wrote on May 3^rd, 2015 at 10:59am:

kelp beds attract marine life and could be a boon for commercial fishing by providing shelter for growing fish.

I want to use something that has been degraded or is seen as having no value, old mine sites,

While messing with the ocean has some potential down sides.

There is no reason why we can't do both.

Kelp Forest
Quote:

Kelp forests are underwater areas with a high density of kelp. They are recognized as one of the most productive and dynamic ecosystems on Earth.

You are not entitled to your opinion. You are only entitled to hold opinions that you can defend through sound, reasoned argument.

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Wolseley

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Re: Audi makes diesel from CO2 and water
Reply #37 - May 3^rd, 2015 at 6:22pm

rabbitoh08 wrote on Apr 30^th, 2015 at 6:01pm:

Not to diss what looks like very exciting technology if feasible, but did anyone else giggle when they read this?:

Wolseley wrote on Apr 28^th, 2015 at 11:21pm:

Minister of Research, Prof. Dr. Johanna Wanka...

I am sure that a number of people probably did, but that is her name and, as the information I posted was a press release from Audi, I can't imagine that it would be a hoax.

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