skyhook Posted April 19, 2010 Share Posted April 19, 2010 I'm planing to operate a plant nursery in future. now I can only dream. I read that some green house input carbon dioxide. So I'm looking into the cheapest, cleanest and safest way to produce some CO2. I can burn some paper or dried leaves. but it may create monoxide, and probably dioxins. In enclosed space, it can be hazardous. The aquarium people use sugar and yeast to ferment in a bottle. I probably need something with a bigger scale. They are burning some oil or fuel to create CO2. However, it seems to be quite wasteful.Some oils are quite cheap actually, however I will consider cheaper options if there is one. What do you think of the above methods ? and is there any other methods of producing CO2 for a greenhouse or shadehouse ? Thanks. Link to comment Share on other sites More sharing options...
Mr Skeptic Posted April 19, 2010 Share Posted April 19, 2010 If you use a furnace to heat your greenhouse, just dump the CO2 from the furnace into the greenhouse. If your house is nearby too, you could pipe the CO2 from your furnace as well. Aerobic decomposition of organic material will also produce CO2. Or you could burn something extra. Link to comment Share on other sites More sharing options...
SH3RL0CK Posted April 19, 2010 Share Posted April 19, 2010 If you use a furnace to heat your greenhouse, just dump the CO2 from the furnace into the greenhouse. If your house is nearby too, you could pipe the CO2 from your furnace as well. Aerobic decomposition of organic material will also produce CO2. Or you could burn something extra. I think that may be dangerous if anyone will be entering the greenhouse as furnaces might exhaust CO rather than CO2. Yes, it would be cheap, but proper precautions should be taken if doing this. And you don't want to be running the furnace in the summertime. There are several chemical reactions which could be done relatively cheaply that would be safer. I would suggest looking into this instead of using the furnace or at least during the warmer months. It probably within the realm of google to find out where these greenhouses that input CO2 get their supply. I'd suggest starting there first. Link to comment Share on other sites More sharing options...
PaulS1950 Posted April 20, 2010 Share Posted April 20, 2010 Baking powder and water comes to mind... Link to comment Share on other sites More sharing options...
Newbies_Kid Posted April 24, 2010 Share Posted April 24, 2010 If the green house has extra space why don't you breed some chickens or rabbits maybe.. so you no longer need to produce CO2 manually. All fresh and natural... plus, you get fresh & hot fertilizers too.. Link to comment Share on other sites More sharing options...
Duelix Posted September 26, 2010 Share Posted September 26, 2010 Try to buy a pure methane gas tank. When you burn it, it will produce CO2 and H2O. No potential toxins. Link to comment Share on other sites More sharing options...
insane_alien Posted September 26, 2010 Share Posted September 26, 2010 Try to buy a pure methane gas tank. When you burn it, it will produce CO2 and H2O. No potential toxins. well, except from CO, soot and other agglomerations of partially burnt carbon if you're burner isn't set up right. not to mention un burnt methane. 1 Link to comment Share on other sites More sharing options...
Duelix Posted September 26, 2010 Share Posted September 26, 2010 Or you can unpop many, many, soda cans. 1 Link to comment Share on other sites More sharing options...
insane_alien Posted September 26, 2010 Share Posted September 26, 2010 or buy a big ol block of dry ice. or a fire extinguisher. Link to comment Share on other sites More sharing options...
dragonstar57 Posted November 1, 2010 Share Posted November 1, 2010 get a whole lot of diet soda mentos Link to comment Share on other sites More sharing options...
dragonstar57 Posted November 6, 2010 Share Posted November 6, 2010 well, except from CO, soot and other agglomerations of partially burnt carbon if you're burner isn't set up right. not to mention un burnt methane. and helium Link to comment Share on other sites More sharing options...
insane_alien Posted November 6, 2010 Share Posted November 6, 2010 the helium will only exist in trace quantities as it is typically extracted for other uses as it is valuable. that and it doesn't exist in massive concentrations in the source methane either. Link to comment Share on other sites More sharing options...
John Cuthber Posted November 7, 2010 Share Posted November 7, 2010 "it doesn't exist in massive concentrations in the source methane either. " Actually, sometimes it does. http://portal.acs.org/portal/acs/corg/content?_nfpb=true&_pageLabel=PP_ARTICLEMAIN&node_id=928&content_id=CTP_006343&use_sec=true&sec_url_var=region1&__uuid=e8d99806-79d0-472f-a89a-8e9f9c8fc8e1#P17_1560 On the other hand, they don't use those wells for methane production without stripping the (valuable) He out. Since He isn't toxic it's not relevant to the question in hand. The best way to get cheap CO2 would be to find someone who is currently blowing it up the chimney and collect it from them. Link to comment Share on other sites More sharing options...
JTA Posted January 30, 2011 Share Posted January 30, 2011 Baking powder and water comes to mind... Might want to try replacing the water with some vinegar... ... Also, C02 can be purchased in pressurized tanks from gas suppliers. The same suppliers that sell gasses like acetylene, oxygen, helium, etc should be able to help you out... You would just have to hook the tank up to a timed regulator of some description and let the system do its magic... 1 Link to comment Share on other sites More sharing options...
lemur Posted January 30, 2011 Share Posted January 30, 2011 (edited) If you did composting within the greenhouse, wouldn't that generate some CO2? I don't know how much it would be, but it would be handy to have your compost in there when and where you need it anyway. . . but probably the posts about soda are the most relevant - put a sign on your greenhouse that says "burping area" and have lots of parties:) Edited January 30, 2011 by lemur Link to comment Share on other sites More sharing options...
SMF Posted January 30, 2011 Share Posted January 30, 2011 Brew lots of beer in the greenhouse. Link to comment Share on other sites More sharing options...
PaulS1950 Posted February 14, 2011 Share Posted February 14, 2011 Might want to try replacing the water with some vinegar... Baking soda requires an acid; baking powder only needs water which lessens the chances of by-products that are unwanted. Link to comment Share on other sites More sharing options...
alpha2cen Posted February 14, 2011 Share Posted February 14, 2011 (edited) The green house must be designed specially, because CO2 is heavy gas, and most them are in the bottom of the house. At night plant needs certain amount of oxygen to breath. Good way is to make compost in the green house. During the fermentation period CO2 and heat are emitted from the natural fertilizer. One problem is farmer's health problem by microorganism. Whenever farmer goes into the greenhouse, sufficient ventilation is required. Edited February 15, 2011 by alpha2cen Link to comment Share on other sites More sharing options...
John Cuthber Posted February 14, 2011 Share Posted February 14, 2011 Last time I checked, one of the defining characteristics of a gas was that it filled the whole of the container it was placed in. If you were to carefully add CO2 from the bottom of the greenhouse then you would get some layering for a while, but convection currents and diffusion would soon mix it up. With a lot of CO2 in the air, the farmer will have problems regardless of the presence of any micro-organisms. He needs oxygen. Link to comment Share on other sites More sharing options...
Blahah Posted February 15, 2011 Share Posted February 15, 2011 As others have suggested, an active compost heap in your greenhouse works well, and is fairly common amongst the old guys on my allotment. You need to make sure you're adding fresh material frequently, and turning the pile once a week or so. If you leave it longer it will slow down or you'll get some anaerobic decomposition - not what you want in a closed space. If you get a really good compost system going it actually heats up the greenhouse significantly as well, giving an added benefit. If you actually want to run a commercial greenhouse this way you're gonna need a consistent source of compostable material that isn't too far from your compost system. 1 Link to comment Share on other sites More sharing options...
Sorcerer Posted February 19, 2011 Share Posted February 19, 2011 Didn't bother to read all the replies, but add HCL to CaC03 (limestone), is an easy way. Might want to try replacing the water with some vinegar... ... Also, C02 can be purchased in pressurized tanks from gas suppliers. The same suppliers that sell gasses like acetylene, oxygen, helium, etc should be able to help you out... You would just have to hook the tank up to a timed regulator of some description and let the system do its magic... That doesn't make sense either it's baking SODA and vinegar, ie sodium bicarbonate and acetic acid. Link to comment Share on other sites More sharing options...
John Cuthber Posted February 19, 2011 Share Posted February 19, 2011 Didn't bother to read all the replies, Should have. Link to comment Share on other sites More sharing options...
Moontanman Posted February 19, 2011 Share Posted February 19, 2011 They do make a device that used propane from a grill type propane tank to make CO2 for the purpose of forcing plant growth in confined spaces.... I suggest you by a High Times magazine, lots of ads for those "Home Growing" supplies..... Link to comment Share on other sites More sharing options...
Djordje Posted March 18, 2011 Share Posted March 18, 2011 Baking powder and water comes to mind... Baking powder and acetic acid is better, but the quantities released are quite small. Link to comment Share on other sites More sharing options...
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