[DIYbio] Re: Mircoalgae innovations

Hi Henri,

We are in the process of starting a company to produce algae in a closed PBR for animal feed in Scotland. We have some funding already and are happy to team up with people having similar ideas.

The ideas you list are quite numerous, complicated and each of them seems to need a lot of testing to be marketable. The link you provide is also only in Finnish and is mostly a collection of other links and therefore does not provide a clear idea of what you exactly want to accomplish.

Maybe we could pick out one of your ideas and talk through it? We have put a lot of thought into several of your proposed concepts already independently and we could share knowledge with you to shape your idea into something more manageable.

Let me know if you want to talk further and what your exact goals are if you do.

Best Wishes,
Mate



On Thursday, 30 August 2018 02:09:57 UTC+1, Henri Lentonen wrote:
Greetings from Finland.

I have a plan how to adapt microalgae into animal farming. Spirulina can be also used to fertilize plants, in addition that it is a good feed to the cows etc.

I can explain my inventions in short, why we can make new generation PBR with this knowledge.

First of all, the key point for microalgae farming is nutrients.

If we are to cash out the promise of green technology, nutrients cannot be chemically made but instead organic.

As far as I know, the biggest problem with organic nutrients for algae isnt microbiological safety, but the dark organic liquid nutrient will not allow the light to penetrate deep enough, to the algae medium.

For microbiological safety aspect, I have developed new kind of aerobic compost reactor which will exchange gases with the PBR. As the composting progress is adjusted with electronics, we can simple determine if the right microbes are working: just by seeing if the temperature will rise high enough.

The compost reactor separates the solids and liquid. The solids will be a part of another process in the system but the liquid can be used directly to the algae. Also heat will benefit the growth of algae and save some electricity by that.

Mines etc produce waste stones, which arent suitable for their company. There is many sand pits in Finland where these stones are gathered and are waste.

As we leach the iron etc. from the stones with vinegar, we can obtain the micronutrients for the algae. In couple of weeks, clear vinegar will turn red from random stones of those pits.

Someone would have to test the actual iron etc. contents of such stonevinegar.

As Spirulina is the most easy to grow in microalgae, we need to raise the  pH.

This is made by producing lye from example wood ash.

Wood ash is formed, since the system will produce its own electricity: with wood gas generator. Hemp hurds are most beneficial to use as they produce more cellulose, than forest, per year and are much easily obtained into burning material by both cost to nature and wallet.

As we most def will need more phosphorous, than normal biowaste/animal poo/hay produces in compost: there will be need for special stones for phosphorous.

For that we can use this method: https://en.wikipedia.org/wiki/Phosphate_rich_organic_manure

Now for the PBR.

Thin layer cascade reactors are the best. Since then we dont need to mind the mixing and the depth of the culture.

My invention here is, that we dont use a single cascade: but multiple, arranged geometrically.

Also, as TLCs are mostly used outdoors, we will grow indoors.

As we dont need to use commercially produced pressure CO2 it will make the growing much greener chemistry.

Since even 80% of the CO2 introduced to the algae will go into atmosphere, it is crucial to make closed loop system.

Thats why we exchange the gases with compost, which will use the O2 and produce CO2.

As buffer, we can simple adjust the air stream go once in a while through water and/or another container of lye, which will absorb gases to balance the amount in the loop.

One point is that we dont use monoculture. For humans, we would farm for example lactic acid bacteria, spirulina and b. subtilis. For fish food, we would use other kind of microbes and even zooplankton. For the fish, the reactor doesnt need to be PBR but better instead a pond, as the zooplankton itself will mix the algae liquid and exchange gases and zooplankton will not live under constant mixing very well as it is hard for it to eat if the liquid is moving all the time.

Also we would use other inventions made by other scientists. One which is to blink the LEDs in order to optimize the photosynthesis and prevent photoinhibition.

Another one is to use tiny magnets to produce more biomass. This will make more cost to the PBR but as neodyms are quite forever, it wouldnt be bad choice.

If you look at the studies of the subject, the amount of magnetism is very small so we dont need to many or big magnets, but too strong magnetic field will decrease the biomass.

So, here is some of the information in blog.

Here are all the study I have used in the project. Also in the start is some pictures of the project and my videos.

As I am just private person and dont want to commercialize, but more: to help dozens of algae company to start in Finland and northern countries overall, my best working companion therefore would be in the public sector.

My best choice is, that someone like you, would make these tests and prototypes professionally to decide if the system would work as planned.

https://spirulinasuomi.wordpress.com/tutkimuksia/

As time bypass, I am afraid sooner or later, I will have to sell my ideology of open source publishing in case some corporation would fund the project.

Hope before that, public sector would come to co-operate so we can continue publish free.

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