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Landfill gas utilization is a process of gathering, processing, and treating the methane or another gas emitted from decomposing garbage to produce electricity, heat, fuels, and various chemical compounds. After fossil fuel and agriculture, landfill gas is the third largest human generated source of methane. Compared to CO2, methane is 25 times more effective as a greenhouse gas. It is important not only to control its emission but, where conditions allow, use it to generate energy, thus offsetting the contribution of two major sources of greenhouse gases towards climate change. The number of landfill gas projects, which convert the gas into power, went from 399 in 2005 to 519 in 2009 in the United States, according to the US Environmental Protection Agency. These projects are popular because they control energy costs and reduce greenhouse gas emissions. These projects collect the methane gas and treat it, so it can be used for electricity or upgraded to pipeline-grade gas. These projects power homes, buildings, and vehicles.

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  1. Inverness

    Eggy smell from gas boiler???

    hi guys had a customer on the phone about the boiler producing a eggy smell?? I’ve been round with my gas sensor and flue gas analyser around the flue but all good! He read online something about the burner producing this eggy smell?! It’s all new to me. The boiler was not in use for a few...
  2. P

    Recommend a new gas boiler

    I have a micromat EC31 system gas boiler (30kW heating 36kW DHW) and spares are getting scarce, boilers not manufactured any more. The existing boiler is weather compensated, separate Ch and DHW circuits within the boiler (so new boiler would require a diverter valve) and the DHW (200l Gemini...
  3. A

    Can a gas boiler flu run externally from ground to second floor?

    does anyone know of a system that will allow a gas boiler (any) with a flu length to reach the ridge line (second story from ground) on the outside of the house, so about 7 or 8m? The boiler can be mounted on the external wall so there is only one bend. We have an annoying neighbour and so...
  4. N

    Gas Boiler Losing Pressure Increasingly Often

    Hi all, I have a student house where over the last 12 months the boiler (Vokera) has been losing pressure more and more often. A plumber has said it might be the heat exchanger but he would need the boiler to go cold to check, which is tricky with 6 students coming and going. It strikes me that...
  5. C

    Gas boiler, room thermostat, timer and remote boost

    I am not a gas engineer or domestic electrician, but have electrical experience so should understand the answers. Question does not relate to a specific installation (at this stage). Scenario: House used as Air B+B Intend to install boiler and timer in a storage area where guests will not...
  6. G

    Why such a huge pressure drop in gas to boiler

    Just fitted a Worcester 38cdi. Ive run 15m of 28mm with 9 bends and im getting a 5mb drop from the meter to the boiler. Ive connected to a 22mm union on the meter and stepped up to 28mm, then used a Worcester own top feed kit to feed pipes behind boiler which is about 1.5m of 22mm. Is my maths...
  7. S

    Gas Boiler v Electric with unvented cylinder

    More out of curiosity and to gain knowledge on the matter, what is the general energy consumption and pros and cons between a standard combi boiler say an ideal logic, and a 4kw potterton gold electric boiler feeding an unvented cylinder at about 100l or so? Any general thoughts on electric...
  8. M

    Special fibre washer for gas boiler connection?

    I fit mainly ideal boilers and they come with a blue coloured fibre washer that is specified for the gas connection to the boiler. Can anyone explain why a fibre washer used on gas has to be different for the ones used on the wet system? Thanks.
  9. S

    Complete amateur - can't get boiler started in new flat (Ariston Eurocombi A/23 or A/27)

    I just bought a new flat and I can't get the combi boiler to start up. It turns on, and although it is old I have no reason to believe it shouldn't work. I don't want to look like an idiot calling out a plumber for something stupid I don't understand, although I will do if that's what's needed...
  10. D

    log burner and gas boiler into thermal store = persistent problem frustrating for me the homeowner

    In 2012 we had a thermal store installed with a log burner and regular gas boiler feeding it. pretty much since then it hasn't worked properly, the original fitter has since retired and a couple of plumbers and an electrician have looked at it but cannot get it to work effectively. The idea...
    • Deleted member 96758
    • Thread
    • boiler burner gas gas boiler homeowner oil problem store thermal thermal store
    • Replies: 1
    • Forum: Plumbing Jobs | The Job-board
  11. S

    Duel gas boiler installation

    Hi Has anybody designed or installed a duel gas heating boiler installation for Schools, Hospitals, factories, office blocks or old peoples homes or domestic use. We are now living longer, hyperthermia is a big killer when temperatures drop well below freezing, should we be prepared for the...
  12. M

    Gas Boiler broken, please help

    Our boiler stopped working a few days ago so we got a few engineers out to price a new one , the first one said to upgrade to a Combi boiler as we have a system that’s about 23 years old and said it would be no bother to set it all up. The second guy we mentioned for pricing a combi just on the...
  13. K

    Is gas boiler burner pressure and operating pressure the same thing?

    Hi I was hoping to get some advice from a gas safe engineer who is used to doing landlord checks please. I have a boiler (condensing boiler used for gas central heating only and not for hot water which is by electric immersion) and the last landlord check engineer said it was not safe to use...
  14. N

    Landlord dispute gas boiler

  15. B

    Electric vs Gas Boiler

    A subject that's probably been done to death, but a specific question I can't seem to find an answer to: Putting running costs to one side, is there any noticeable different in heat up times for an unvented cylinder (let's assume an indirect megaflo) between gas and electric system boilers...
  16. D

    Advice required: Heating a large volume of water with LPG Gas boiler

    First time posting on here and I am after some help and advice on a project I have ongoing at home - a bit cheeky I know but as they say around here ‘Shy bairnes get nowt’! My children (10 and 8 at the time) were lucky enough to be given an above ground 15ft round swimming pool from some...
    • DawnR
    • Thread
    • advice boiler central heating system gas gas boiler large lpg oil required volume water
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  17. P

    Thoughts on gas Aga and gas boiler water heating, via netraliser sought ...

    Hi - wonder whether you can help me please? A general plumbing enquiry but involving my heating / hot water system. I'm based in the Highlands and I've had a Macdonald thermo flow cylinder for about 15 years. It is plumbed at mains pressure and the heating supply comes from a calor gas-fired...
  18. P

    Water pressure from gas boiler

    Hi, everyone! I live on the sixth floor of an apartment block. The water pressure used to be quite low but, a couple of years ago, the building had some work done to the water system and I had good water pressure in both the hot and cold taps. However, a few months ago, the water pressure in...
  19. T

    Information/certificate required to operate a Gas Boiler in Scotland

    Hi everyone, I am finalising a project and collating o&m information. I have the below certificate for a combi boiler which is fine (the building's only gas-fed appliance is the 1nr combi-boiler). Is there any other certification typically required before a new tenant takes up a unit in...
  20. T

    Replacing Gas Boiler with Combi Boiler

    Good morning all. I am thinking of replacing our Gas Boiler with a combi Boiler. This will free up the space in the airing cupboard. Would you recommend this? Is it an expensive job? Many thanks in advance.
    • Tataboy
    • Thread
    • boiler combi combi boiler electric gas gas boiler oil replacing water
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board
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