We are working on a project to compress a producer gas(N2: 50.9%, CO: 27.0%, H2: 14.0%, CO2: 4.5%, CH4: 3.0%, O2: 0.6%). It is just like a bio-gas. It can be used as a cooking gas or for any heating purpose. Any cheaper methods to compress such gas costing low price?|||You could pressurize it by mixing already bottled different gases. A bottle of gas can reach 400 atmospheres, which should be plenty to mix smaller amounts. .|||I really doubt that such methods exist, or if they really are, they do not make such effects as those with compressors' implementation. However, biogas idea is really astonishing ad innovative currently (and profitable, I think). I have found an info about recent related patents on gas compression. They might be helpful in your work by making some parallels with yur technology - http://patentsbase.com/search/?q=compres鈥?/a>|||Depends on the pressure you need. If you need higher pressure, you will need one of the compressors you have ruled out. If you only need a moderate pressure, you can use a blower, like a Roots blower, which will give you about 1 atmosphere of positive pressure. Flow rates will vary according to size|||There is no cheap way to do this. You will need some type of compressor and for a given size and pressure requirement the costs will be similar regardless of the type used.|||Nope, if you rule out rotary or reciprocating compressors there is no sensible choice left. Even screw compressors count as rotary.

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