Day: 1 March 2002

In situ use of the ammonia process buoy directly within mixed liquors

Recent trials at a large water company’s site have now proven the viability of making “In-tank” Ammonia measurements on a sequencing batch reactor treating anaerobically digested sludge centrate.

Hazardous waste banished to the salt mines

Enviros, which specialises in environmental consultancy and software products, has been advising Minosus since 1999 on the development of its proposed hazardous waste disposal facility. Minosus is a joint venture between Salt Union and Sarp Industries (part of the Vivendi Environnement Group). The proposal is to dispose of drummed or bagged wastes in the deep, dry salt mine at Winsford, Cheshire - the first such proposal in the UK, although similar facilities have been operated in Germany and France for many years.

Wate industry invests in premier league plants

New investment in the waste transfer and handling plants needed to handle the growing rubbish mountain and translate ambitious recycling targets into action on the ground have been hitting the target, kicking off in North London

Study will predict the impact of changing landfill practice on leachate quality

The Environment Agency has commissioned the second phase of a consultancy project to predict the impact of changing landfill practice on leachate quality in the UK, as progressive implementation of the Landfill Directive (1999/31/EC) changes the nature of waste inputs. The Agency will require data to use as a source term to help it assess applications for new landfills and extensions to existing landfill sites

Satellite-linked system maximises site life

Caterpillar's Computer Aided Earthmoving System (CAES), which has been used on mining and landfill sites in the United States, could soon be bringing a new dimension to landfill operations in the UK.

Landfill operators get in shape to meet deadline for site Conditioning plans

By July 2002 operators of landfill sites will have to submit a Site Conditioning Plan to the Environment Agency to meet the requirements of the Landfill Directive and to avoid the risk of committing a criminal offence. The Agency is assisting landfill operators through a Conditioning Plan Pack and a series of workshops around the country

Specialists target waste management operations

The Commercial Vehicle Show 2000, being held from 30 April - 2 May, 2002, at the NEC, Birmingham, offers visitors the change to see the latest in vehicle technology. This selective LAWE Focus feature previews exhibitors with products employed in the waste management and environmental markets

Rubber stamp for Zeon effluent upgrade

ACWa Services Ltd has been awarded a £1.2m turnkey design and build contract from latex manufacturer Zeon Chemicals Europe Ltd to extend the company's effluent treatment system at Sully, South Wales. ACWa's site treatability study demonstrated that a 50-60 per cent reduction in the Chemical Oxygen Demand (COD) of the latex was possible, with the installation of an activated sludge system, modifications to the existing feed supply equipment and dissolved air flotation (DAF) system.

Light cast on energy savings

The EU Management of Waste Electrical and Electronic Equipment (WEEE) Directive will require producers to take back end of life products and either recycle or reuse them or their constituent materials. The scope of this directive includes the majority of electrical and electronic equipment used in households and commercial and industrial premises, including lamps (bulbs and tubes), luminaires (light fittings) and lighting controls (or ballasts - the devices that control current through discharge tubes, or fluorescent lights).

Air on a shoe string

Estimated to account for more than 80 Tera (1012) Watt hours of electricity consumption, and 55 million tonnes of CO2 per year across the EU, compressed air is equivalent to around ten per cent of total industrial electricity consumption. PNEUROP, the European Committee of Compressors, Vaccum Pumps and Pneumatic Tools, surveyed its members on the relevance of energy efficiency to them. Dave Welch, Ingersoll-Rand, on the results.

SEA and easy

Site Energy Assessments (SEAs), part of the government's Action Energy Programme, are completely free initial reports on how well or badly your organisation is using energy. Vilnis Vesma introduces a valuable, if little known, source of grants for companies wishing to cut their energy bills.

Blue sky research

A number of projects within the Natural Environment Research Council's URGENT programme are concerned with the chemical reactions that occur between pollutants and the natural components of urban air, and with developing models that will enable better management of air quality. Mike Welch, University of Birmingham, explains how.

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