Waste issues

Effluent (1)
Electronic waste (3)
Food waste (9)
Hazardous waste (1)
Industrial waste (1)
Organic waste (6)
Radioactive waste (1)
Waste (45)
Waste treatment (4)

Synopsis: Environmental challenges: Environmental challenges generale: Waste issues:

Cleveland-based quasar energy group uses organic waste to produce a renewable energy source known as biogas which is converted then into Compressed natural gas (CNG) one of two fuels that can power the 2015 Chevrolet Bi-fuel Impala.

Progressive Field home of the Cleveland indians contributes food waste for CNG-production after it been macerated in an industrial-sized Insinkerator Grind2energy garbage disposal.

or in the planning stage. qng (quasar natural gas) is derived from the anaerobic digestion of regional organic waste streams

and waste treatments, such as incineration. In addition, because many of these materials are derived plastics from fossil fuels, they also increase the impact on climate change.

Global agriculture wastes 60%,or 1 500 trillion litres, of the 2, 500 trillion litres of water it uses each year, according to the WWF.

The waste is mainly down to inefficient irrigation systems. But better managed, it could mean more water resources for other basics like drinking, hygiene and cooking.

such as the combustion of hazardous waste. These atural barriershave so far prevented scientists from gaining deeper knowledge that could be used to improve design and production processes.

Because biochar can be produced from various waste biomass including agricultural residues this new technology provides an alternative

and has been shown to cause cancer. ecause biochar can be produced from various waste biomass including agricultural residues this new technology provides an alternative and cost-effective way for arsenic removalsays Bin Gao associate professor of agricultural

#This fusion reactor could be cheaper than coal University of Washington Posted by Michelle Ma-Washington on October 16 2014fusion energy almost sounds too good to be true#zero greenhouse gas emissions no long-lived radioactive waste a nearly unlimited fuel supply.

to produce electricity as they digest plant and animal waste. Scientists hope the icrobial batterycan be used in places such as sewage treatment plants

and coastal waters where fertilizer runoff and other organic waste can deplete oxygen levels and suffocate marine life.

Inside that murky vial attached to the negative electrode bacteria feast on particles of organic waste

Michael Koenig, Honda Smart home project leader, said that converting DC to AC wastes energy, so this is a DC-based project.

a large machine/small waste treatment plant developed by Janicki Bioenergy (an offshoot of Sedro-Woolley-based Janicki Industries)

The small amount of solid waste that comes out on the other end is no longer poop

Gates himself describes the waste-to-water process on his Gates Notes blog: I watched the piles of feces go up the conveyer belt and drop into a large bin.

that machine will be able to handle the waste of 100, 000 people and, from that, produce 86,000 liters of clean water on a daily basis while also generating a net 250 kilowatts of electricity.

and a shoebox-size module (for base stations) based on nearly a decade of MIT research to essentially switch gears to adjust voltage supply to power amplifiers as needed cutting the waste.

But a more cyclical approach where waste is used as an energy source could provide higher profit yields

where the waste of industry is recycled to create energy and value much like in natural ecosystems. n a natural ecosystem,

there really is no such thing as waste, Silver says. t just another resource. l

Food waste from many Sainsbury's stores will get trucked to a central depot. One store doesn't make enough waste to power itself,

so running the Cannock Sainsbury's actually requires waste from several.)From the depot, a waste management company called Biffa will truck the waste to its Cannock plant.

What happens at Biffa's Cannock anaerobic digester is "what happens inside a cow's stomach after dinner,

It produces some solid and liquid wastes called the digestate. Some of the digestate can be used as fertilizer,

and a significant amount of waste is generated. Professor Kobayashi's application of flow chemistry techniques to the production of fine chemicals using heterogeneous catalysts has resulted in simple method to synthesize (R)

This simple and affordable alternative to ground-mounted systems is particularly suitable for water-intensive industries who cannot afford to waste either land or water.

or in filters to remove chemicals or dyes from industrial waste. However, to be effective and safe,

#Scientists create food powder from waste, increasing shelf life from two weeks to two years Kent Ngo, Vita Jarolimkova,

we are very much aware of the problems about food waste, said Jarolimkova. he paradox is that the world is producing a lot of food that is more than enough to feed the population,

we produce more PLA with less waste and without using metals. In addition, the production process is cheaper,

as that gradually gets absorbed by the body as harmless waste). The scaffolds could also be used for other cell types,

The Harvest phone case grabs the power your phone wastes and puts it back into the battery.

#Biodiesel made easier and cleaner with waste-recycling catalyst (Nanowerk News) Researchers at Cardiff University have devised a way of increasing the yield of biodiesel by using the waste left over from its production process.

which waste is dealt with, and seriously improve the quality of life by reducing carbon emissions from fossil fuels and encourage efficient use of resources."

There's also the issue of how to deal with the waste produced from the process.

#Biochar from manure waste enhances soils Researchers at Universidad Politécnica de Madrid have obtained biochar using manure waste,

Biochar, a material obtained after thermal treatment of this waste through pyrolysis, is an organic fertilizer that applied in soils

but also represents a significant reduction of CO2 EMISSIONS compared to the direct application of manure waste on soils.

and using raw materials from the waste we generate are some of the environmental challenge that we face today.

This waste contains fertilizers, and its production has increased over the last years because of intensive farming and has been used traditionally in soils as an organic amendment.

Pyrolysis of manure waste can drastically reduce CO2 EMISSIONS compared to the direct application of manure waste to soils.

which waste is dealt with, and seriously improve the quality of life by reducing carbon emissions from fossil fuels and encourage efficient use of resources."

Within the framework of another partial project a team of KIT scientists headed by Stephan Fuchs expert for aquatic environmental engineering worked in the area of sewage and waste treatment.

There the organic wastes are converted into biogas and fertilizer within a period of one month. Via a pipeline system the gas is passed directly on to the gas stoves of the neighboring houses.

It was not easy to explain that waste or even human feces can be recycled. The KIT scientists also conceived seminars for the operators of the plants and information material and instructions for the population.

The project is part of the Gates Foundation's Reinvent the Toilet Challenge an effort to develop a next-generation toilet that can be used to disinfect liquid and solid waste

and solar energy work environmental engineers for waste treatment and stabilization mechanical engineers to build actuators and moving parts and electrical engineers to design control systems Linden said.

and effectively carbonize solid waste. While the current toilet has been created to serve four to six people a day a larger facility that could serve several households simultaneously is under design with the target of meeting a cost level of five cents a day per user set by the Gates Foundation.

Furthermore, effluent from cow waste is a huge threat to what already are stressed the San joaquin valley watersheds.

On the upside, all that agricultural waste creates a solid biofuels pipeline. Forget the food-versus-fuel debate:

More biorefineries such as the Calgren plant could help California solve multiple challenges a boost in production of clean transport fuels, the reduction in agricultural waste and for local residents,

better air quality in the San joaquin valley. here is enough organic waste (in California) to power 2 to 3 million homes

These permeable silicone beads could be sliced a-bread'breakthrough for CO2 capture--efficient easy-to-handle minimal waste

#Meet the Machine That's Turning Grocery stores'Food waste Into Fertilizer Larry Lesueur is used to former peers from the software world asking him,

-based WISERG, anxious to solve the growing problem of food waste in America. That righthe duo went from high-tech to food scraps,

let first and foremost try to understand why food waste was being generated. If I can understand it, we can figure out what we can do to alter behavior,

spent two years using a PCC store as a iving laboratory to understand how food waste is created in a retail grocery environment. n 2010 the WISERG teamith the help of biologists, computer programmers and engineerseveloped a solution:

After food waste is converted, the resulting liquid is picked up by a pumping company and delivered to a WISERG processing facility (there one in the Pacific Northwest;

The Harvester also delivers data to help stores cut down their food waste. t not about just how much goes out the back door

what stands to inspire a new generation to take advantage of energy inefficiency and waste. One major drawback to the technology is that its relatively slow to harvest energy,

and they hope that their invention will be an eco-friendly solution to a growing electronic waste problem.

Every year, 3. 2 million tons of electronic waste are thrown out in the United states alone. Organizations are trying to recycle the waste

or mine it for valuable resources like gold, but there's still a ton of electronics (well,

and others like him (another team is building dissolvable circuits) are trying to deal with the e waste problem at the start--long before your phone gets stepped on or your computer crashes.

Instead of waiting until they're headed to the trashcan to clean up the waste, they're tackling the problem at the very start of the supply chain n

Then the volume flow in the plant can be doubled utilization of carbon from biomass will increase to nearly 100%and a large amount of usable waste heat will be produced by the catalyst (Ptg operation.

Since the waste in the wastewater (organic material) is consumed and thus removed, the water itself becomes purified,

we produce more PLA with less waste and without using metals. In addition, the production process is cheaper,

and agricultural waste that are fermented by genetically engineered microbes. lthough there are some additional technical challenges associated with using sugars derived entirely from biomass feedstocks like Miscanthus

< Back - Next >

Overtext Web Module V3.0 Alpha
Copyright Semantic-Knowledge, 1994-2011