Nitrogen feeds billions of people, but relies on cheap fossil, damages soils, pollutes water with runnoff and only about 20% actually gets picked up by plant root hairs

On Sat, Dec 7, 2013 at 12:33 PM, dave andrews wrote: Bbc r4 on the above pointed out how the  haber process generated nitrogen feeds billions of people, but relies on cheap fossil, damages soils, pollutes water with runnoff and only about 20% actually gets picked up by plant root hairs, the rest washing away/off_gassing.  […]

Read More

Finning (UK) Ltd – Clean Power, Contracting & Technologies (CPCT)

With more than 20 years’ experience, Finning is a leading EPC solutions provider in power generation – whether the requirement is for high reliability standby power, high efficiency CHP or a combination of both. By working closely with trusted partners, we are able to provide all the civil, electrical, mechanical and controls engineering expertise that […]

Read More

Papers in Energy Policy from Mark Delucchi and Mark Jacobson, Stanford / California University USA – 100% renewable energy at reasonable prices and timescales

Mark Jacobson and Mark Delucchi recently published two papers in Energy Policy expanding upon our article on 100% wind, water, and solar power for the world, published in Scientific American in November 2009. I am attaching corrected in-press proofs of the articles. Mark and I continue to work on various aspects of this, so we […]

Read More

Engine Failure & Condition Assessment

Gas / diesel internal combustion engine, generator set, marine engine failure and condition assessment expertise Believe it or not there are specialists who know about why engines fail and who are hired by disgruntled purchasers, insurance loss adjusters, and often disgruntled engine suppliers. Engines can cost up to £40million for a large marine engine, or […]

Read More

a regular up to date source of hard info on renewable energy- Renew

Need a regular up to date source of hard info on renewable energy? Renew is a 36 page newsletter on renewable energy developments and policy which has been produced  by Open University Professor Dave Elliott without a break bi-monthly since 1979. It’s widely seen as a reliable and up to date source of information, news […]

Read More

POST NOW FILLED. PhD Studentship to Develop Biogas Fermentation Process Control. Applications are invited for an exciting 3 year studentship

POST NOW FILLED Applications are invited for an exciting 3 year studentship to develop biogas fermentation technology. A new company is being set up to commercially exploit anaerobic digestion technology. As part of this work the company is working with North Wyke Research and Exeter University. The group is looking for an enthusiastic Engineer / […]

Read More

Complete 7 MWe Deutz ( 2 x 3.5MWe) gas engine CHP power plant for sale and re-installation in the country of your choice. Similar available on biogas / digester gas

1. PROJECT SCOPE

The supply, construction and commissioning of a 7 MWe power station first commissioned in September 2000 but mothballed in November 2001. Now available for immediate relocation – 50hz utiltiy.

Basic scope of work is to dismantle in Europe, pack, ship, re-erect and commission a 7MWe gas fuelled power station. A Turnkey price can be provided subject to site survey, civil and electrical infractructure requirements.

The available equipment consists of two DEUTZ TBG632V16 gensets powered by natural gas and all the necessary ancillary equipment including heat recovery and transfer plant, controls, switchgear, power cables to the 6.6kV board and small wiring within the station.

1. PROJECT SCOPE

The supply, construction and commissioning of a 7 MWe power station first commissioned in September 2000 but mothballed in November 2001. Now available for immediate relocation – 50hz utiltiy.

Basic scope of work is to dismantle in Europe, pack, ship, re-erect and commission a 7MWe gas fuelled power station. A Turnkey price can be provided subject to site survey, civil and electrical infractructure requirements.

The available equipment consists of two DEUTZ TBG632V16 gensets powered by natural gas and all the necessary ancillary equipment including heat recovery and transfer plant, controls, switchgear, power cables to the 6.6kV board and small wiring within the station.

Read More

38% HHV Caterpillar Biogas Engine Fitted to Long Reach Sewage Works

A Caterpillar bio-gas engine was as fitted to Long Reach Sewage Works, operated by Thames Water Utilities. This is a V16 engine running at 1500 rpm, on biogas which is typically 60 % methane. Output about 1150 kWe electrical, 1.4 MW heat which heats the digesters. Electrical efficiency is about 38% LHV, thermal efficiency. Life cycle maintenance costs about 0.9 /kWh. Caterpillar makes about 50 units per day of this basic engine in either gas or diesel (1.8MW) format at its US factory in Lafayette Indiana equivalent to some 23 GWe of capacity per annum. Further info

Read More