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Biogas as an example of waste to energy
We throw lots of stuff away in this country. We used to just have it hauled to a dump, but that was smelly and attracted vermin. No one wanted to live or be near one. Eventually the dump morphed into...
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Flushing energy down the toilet
Since American society uses enormous amounts of energy, most which comes from fossil fuels like dirty coal or imported oil, how much energy are we flushing down the toilet? It may seem like I’m asking...
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Hog waste to energy: a new pilot project
I don’t remember when I first read about the potential for using manure from hogs, cattle, chickens, etc. to generate electricity, but it was much longer ago than I ever started bookmarking the...
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New crude oil from waste plastic
We have always thought of petroleum as a non-renewable resource. Oregon based Agilyx has recently announced creation of a way to make new crude oil from plastic waste. It hopes to be ready to sell its...
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Sewage, geothermal energy, and the yuck factor
Guide–Who is incredibly enthusiastic about his odourous kingdom beneath Brighton’s streets. (Photographer’s caption) I have already written about extracting energy from sewage using microbial fuel...
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What has become of the promise of biofuel?
Small-scale manufacture of biodiesel from waste cooking oil. In a way, coal, natural gas, and petroleum are biofuels. They come from once-living beings now fossilized. The ancients around the...
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Problems that solve other problems
Trash and recycling truck I came across a fascinating post on another blog called Using Garden “Problems” as Solutions. There is nothing really new about turning a problem into a solution. The author...
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6 ways to turn waste plastic from a problem to a resource
Plastic is everywhere. You know that just chucking it in the recycling bin doesn’t solve the problem. In fact, most of it never gets recycled at all. That’s because in our wasteful society, plastic...
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Microbial Fuel Cells: Making Electricity from Sewage
Wastewater discharge pipe About three years ago, I wrote about a fairly new technology for generating electricity from the waste we flush down the toilet, microbial fuel cells. At that time, several...
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Waste disposal: there’s no such place as away
If you live in the U.S., then your share of one day’s production of trash is about four and a half pounds. Besides what you throw away personally, everything you buy represents a lot of trash before it...
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Landfill? Incineration? Alternative waste management methods
Hickory Ridge Landfill near Conley, Georgia. Opened 1993, closed 2006, capped 2011 Americans generate more than 250 million tons of trash every year, which amounts to more than 1,600 pounds per person...
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Biogas as an example of waste to energy
We throw lots of stuff away in this country. We used to just have it hauled to a dump, but that was smelly and attracted vermin. No one wanted to live or be near one. Eventually the dump morphed into...
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Waste to energy: using an inexhaustible resource
The Huntsville Waste-To-Energy Facility is a garbage incinerator that generates steam for Redstone Arsenal. This cutaway model shows the various chambers in the facility. Usually, waste to energy means...
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Pyrolysis: creating fuels and other valuable products from wastes
Pyrolysis unit that produces bio-oil, biochar and syngas from biomass (usually hardwood sawmill waste or chicken manure). Namur, Quebec. Matt Dil via Among waste management and recycling technologies,...
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