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Why Every Landfill Liner Leaks But Not All Leakage Matters
Landfill liner leaks are endemic. A small amount escapes from composite landfill lining systems which include both 1 metre thick a clay layer, and a clay liner loses water/ leachate according to its permeability and the head of pressure of leachate over it. That is despite applying stringent design and operational requirements for landfills, landfills continue […]
Landfill Environmental Problems – Emissions
MSW Landfills are very unpopular due to the many environmental problems which have been attributed to landfills. In Europe there is massive investment underway to substantially reduce reliance on landfills. In many areas worldwide landfill space is running out, due to public hostility arising from public perception of landfills and environmental problems, and a crisis […]
Carbon Credit Trading and Landfills
It’s Methane that makes Landfill and Carbon Credit Trading so interconnected. Methane is the second most prevalent greenhouse gas after carbon dioxide, is emitted in large quantities from modern engineered landfills unless it is collected and flared (burnt). Kyoto obligations mean that UK landfill emissions need to fall by 20 percent from 1990 levels, and […]
Landfill Gas Emissions and the Greenhouse Effect
It is thought that even with the best landfill gas extraction systems installed about half of the total methane produced by any landfill site escapes without being burnt, either in a flare, or in a generator to supply energy. That means that landfill gas climate change is significant. The escape of the methane into the […]
Construction and Demolition Waste and Recycling
In tonnage terms construction and demolition waste is the UK’s largest waste stream accounting for 90 Million tonnes of material per year in England and Wales alone. To drive the recovery of demolition material and the use of recycled materials in new structures, ICE, working with London Remade and Envirocentre has developed the Demolition Protocol […]
Building on Landfill Sites and Recommendations
We would like to emphasise that, if at all possible, building on landfill sites containing putrescible material, and which therefore are likely to be generating landfill gas should be avoided. Some old landfills will be free from landfill gas, but do take great care to obtain expert advice before you assume that any particular landfill is […]
Aerobic Landfill and Why The Subject Will Not Be Forgotten
A key topic raised in many countries, not least Japan, is why most other industrialized nations have gone so strongly for sanitary landfill design, which locks up waste and only slowly allows it to decompose with air (anaerobically) and not aerobic landfills which rot away quickly. The awful longevity of sanitary landfilling, becomes clear when […]
Inert Waste Disposal – Is My Waste Inert?
Inert waste disposal should be simple and cheap, because there is no need to send it to a licensed landfill. But, do make sure it really is “inert” before you offer it to a farmer for improving farm access tracks, for example. Inert materials are by definition un-reactive, both biologically and chemically. This means that […]