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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. M

    boiler clearances

    Hi i was wondering if there is a set distance a worcester gas boiler should be from a kitchen sink as i can,t find anything in the manual cheers.
    • marty
    • Thread
    • boiler electric fitting gas gas boiler industry kitchen manual oil reset sink wall water worcester
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  2. B

    Where can I get a reduced-width boiler to replace Glow Worm Economy Plus ?

    I need to replace an ageing Glow Worm Economy Plus wall-mounted gas boiler (model EP 24B) used solely for heating hot water, with a similar sized one. Problem is that the old unit is 285mm wide and is situated above a toilet. Any replacement would have to be of similar width to avoid...
    • barry1949
    • Thread
    • boiler boilers central heating system eco gas gas boiler glow glow worm glow-worm hot hot water oil parts plus potterton problem replace replacement toilet wall water web website where wide worm
    • Replies: 5
    • Forum: Plumbing Jobs | The Job-board
  3. J

    combining wood burner and boiler

    hi, im after some on advice on using a conventional gas boiler and a wood burner for central heating. if any one could point me towwards some diagrams etc for the potential layout and controls that i would need to incorporate id be gratefull thanks
    • joe plumber
    • Thread
    • air boiler burner central central heating system combi connect connections cylinder free gas gas boiler hot hot water oil plumber pressurised solar system tools water web
    • Replies: 20
    • Forum: Plumbing Jobs | The Job-board
  4. C

    British gas boiler

    burner won't light, fan comes on and can hear a clicking noise but the pilot will not actually ignite. Model is a 50 RF, any ideas?
    • Chris H
    • Thread
    • blockage boiler british british gas burner gas gas boiler gas safe job noise oil safe
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  5. M

    can i install/replace a system boiler with an unvented cylinder

    Hi guys, just wondering if can install/replace a system boiler with an existing unvented cylinder if i don't have my unvented qualification? not got to touch the cylinder it's just a straight boiler swap. not done one of these before as i mainly concentrate on the combi side. also would i be...
    • moogwai
    • Thread
    • appliance boiler boilers bpec central heating system combi condensate connect cylinder gas gas boiler install oil overflow pipe pipes plumber power problem safe safety system system boiler unvented unvented cylinder work
    • Replies: 17
    • Forum: Plumbing Jobs | The Job-board
  6. K

    no hot water in bath or shower

    hello very strange probelm. had bath last night which has just been fitted and have mixer shower also, perfectly fine both hot. wife then went in and no hot water, same on bathroom tap also unfortunaely same thing this morngin have Worcester Combi Gas Boiler Greenstar 30cdi boiler fitted last...
    • kowalski181
    • Thread
    • bath bathroom boiler central heating system cold combi flow gas gas boiler hot hot water job mixer no hot water pressure radiator shower sink switch tap valve water worcester
    • Replies: 9
    • Forum: Plumbing Jobs | The Job-board
  7. F

    Making Gas Boiler Connections.

    I had a slight gas leak after my new boiler was connected. Should the connection have been tested with fluid when it was first made? Could it start leaking at a later stage? The gas leak was not noticed till after the fitter had gone and the doors were closed. I turned off the gas and...
    • flyboy
    • Thread
    • boiler bubbling cold connections fitting gas gas boiler gas safe hose job law leak making mobile newbie oil pipe plumber rules safe smell supply test vent vessel work
    • Replies: 17
    • Forum: Plumbing Jobs | The Job-board
  8. F

    Power Flushing

    I have just had my central heating system power flushed and this is a picture of how the machine was connected. I was told the lockshield on the rad was closed to balance it. Is this right. It took a couple of hours. Any comments? http://farm3.static.flickr.com/2699/4353867027_1ec97c481d_m.jpg
    • flyboy
    • Thread
    • boiler central central heating system cylinder diverter valve drain flushing gas gas boiler gas safe hot hot water hot water cylinder power problem pump register safe system valve water work
    • Replies: 20
    • Forum: Plumbing Jobs | The Job-board
  9. A

    OIL/GAS question

    Does anyone do both, whats the fundermental differences apart from the obvious ? How do you find the work ratio, one to the other ? Any advice, just thinking about a change?
  10. T

    Hot Water Cylinder Mixing Valve

    Hello: I am sure that my question will seem quite trivial to the members of this forum, but not for me. For, you see, I am an Electronic and Computer Engineer by trade and I was always taught to keep my hands out of water!:) Here's my problem (this description of my system is the best I can...
    • TheArtfulDodger
    • Thread
    • basin boiler cold cold water cylinder gas gas boiler hot hot water hot water cylinder indirect mixer mixer valve mixing mixing valve problem radiators safe safety solar store taps trade valve water web
    • Replies: 6
    • Forum: Plumbing Jobs | The Job-board
  11. L

    Boiler Replacement

    Two general questions please. I am hoping to change out my boiler for a new one later this year. At the moment i have a traditional wall mounted balanced flue gas boiler (potterton suprima open vented system) 1. Any recomendations on makes for boiler for my replacement. 2. The boiler will...
    • Leoki
    • Thread
    • boiler condensing eco flow gas gas boiler installation oil open vented potterton replacement system wall
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  12. W

    no separate controls on gravity hw system

    Hi, can anybody offer me some advice, i have a fairly old gas boiler with gravity hot water and pumped central heating, the problem i have is that i have no separate control for the HW and CH, when using the central heating the water in the hw cylinder is constantly heating up making it...
    • wally5460
    • Thread
    • boiler central central heating system circulation combi control controls cylinder divert expansion gas gas boiler gravity hot hot water motorised valve pipes problem separate switch system tank valve vent water
    • Replies: 4
    • Forum: Plumbing Jobs | The Job-board
  13. R

    Free Assistance Offered - SW London/Surrey

    Hello Do you need a spare pair of hands from time to time? I'm based in south west London and looking for work experience to help build up a portfolio towards my NVQs and ACS. I have Levels 2 and 3 Technical Certs. , Unvented and Water Regs. I have been doing general plumbing on my own...
    • rsr
    • Thread
    • assistance boiler central heating system free gas gas boiler hot hot water london plumbing unvented water work
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
  14. R

    Micro combined heat and power

    Hi. Anyone doing anything with combined heat and power (the stirling engine thingumabobs)?? I've been having a really good look at this and it could be a winner for places like schools and factories where the heating is banging away for long periods....and they are also using lots of...
    • Renewable M
    • Thread
    • banging baxi boiler buy central heating system combi combined efficiency electric gas gas boiler heat hose install kitchen mains micro noise power problem system technology thermal wall website worcester work
    • Replies: 8
    • Forum: Plumbing Jobs | The Job-board
  15. D

    Water Tank Thermostat Failure?

    Hi Guys, My central heating/water system has a Santon 160L Unvented Mains Pressure Heater. Water is normally heated by gas boiler. Now when it goes on in morning, it now seems to make a trickling noise as hot water goes in tank. The water out taps is very hot, and I get drips into the Tun Dish...
    • diydavzo
    • Thread
    • air boiler central central heating system cylinder expansion expansion vessel failure gas gas boiler heater hot hot water motorised valve noise pressure safe safety tank taps thermostat unvented valve valves vessel water water tank
    • Replies: 3
    • Forum: Plumbing Jobs | The Job-board
  16. T

    Ferroli F30B Combi Boiler

    Morning everybody, I have the above boiler which had an ignition problem which has now been sorted out,may i add by all your help a big thank you for that. (wiring was incorrect) Seens you guys have a better understanding of my problem than that idiot plumber of mine i wanted to pick your...
    • tony
    • Thread
    • bits boiler boilers combi combi boiler connect electric ferroli gas gas boiler oil pipes plumber plumbing problem pump system work
    • Replies: 2
    • Forum: Plumbing Jobs | The Job-board
  17. B

    Hot Water only luke warm

    I have recently replaced my old hot water cylinder as the old one was leaking. The system is an indirect type, using gravity feed to heat the hot water and a pump for the 7 radiators. The original hot water tank was very old and allowed the boiler hot water circuit (i.e. the water circulating...
    • baglartimus
    • Thread
    • air boiler central heating system cylinder expansion gas gas boiler gravity high hot hot water hot water cylinder indirect inside loft motorised valve pipe pipes problem pump radiators regulations tank valve warm water
    • Replies: 1
    • Forum: Plumbing Jobs | The Job-board
  18. P

    Boiler Scrapaage Scheme

    hi all does anyone know how installers join the scrappage scheme installer list tried the website but it doesnt seem to be working.
    • P4ULT
    • Thread
    • boiler boilers connect efficiency fix gas gas boiler gas safe hose installers listed oil safe scheme scrappage scheme web website
    • Replies: 13
    • Forum: Plumbing Jobs | The Job-board
  19. R

    yet another trajedy

    just heard on the news, man dies in home at stanley common derby's wife critically ill in hospital. suspected boiler fault, hse to investigate cause.
    • REDSAW
    • Thread
    • another bbc boiler control corgi costs free gas gas boiler gas safe guage insurance job kitchen leak listed news paperwork problem public register safe safety tee work yellow
    • Replies: 30
    • Forum: Plumbing Jobs | The Job-board
  20. A

    boiler efficiency

    Hello all, I am a newbie in this forum and would greatly appreciate guidance on my question below. I have a choice of carrying out a minor repair on my 20 year old 20k btu Baxi gas system boiler, or replacing it with a new higher efficiency one. What sort of level of saving is...
    • Andy Wills
    • Thread
    • boiler central central heating system cylinder efficiency gas boiler gravity hot hot water indirect newbie oil rayburn system water winter
    • Replies: 0
    • Forum: Plumbing Jobs | The Job-board
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