Tag: "mill" at biology news
Bark Beetle Infestation Spurs Multifaceted Study
....Archaeologists have already surveyed the area for mill
sites, camp sites,remnant roads and both prehistoric and historic occupation. The Comstock Lode, which was discovered in 1859, supplied silver to theUnion troops during the Civil War. Working in the mines, building the roadsand cutting the wood wer...
Pollution, Food Stress Take Toll On Bald Eagles
... Each contaminant detected in birds south of the mill
was below the levelestimated to cause lower nesting success. But those estimates don't take intoconsideration the effects of multiple contaminants, or food stress, says Gill. "South of the mill, there's a very deep channel which makes it much...
Waste Asphalt Doesn't Pollute Groundwater, UF Researchers Say
...sis on the subject. When workers grind and mill
roads to resurface them, the mixture ofasphalt, sand and rock they remove is known as reclaimed asphalt pavement.In Florida, resurfacing generates between 750,000 and 1 million tons ofthe material each year, with most of it recycled into hot asphalt...
Environmental Testimony: Taiwan Mega-Complex Threatens Endangered Spoonbills And
Efforts To Cut Greenhouse Gases, UD Prof Says
...at the oil refinery, petrochemical plant and steel mill
complexcould wipe out the wetlands winter habitat of the black-faced spoonbill. TheBinnan Industrial Complex also could increase that nation's greenhouse gasemissions by at least 25 percent, Byrne testified. And, any developmentresulting in higher g...
Urban Restorer Sees Trash Trees, Beetles As Signs Of Hope
...es, Nine Mile Run features 20million tons of steel mill
slag in piles 15 stories high, raw sewage mixed inwith runoff in storm surges, illegal sanitary sewer overflows and a severedecline of native plant species. All this, and more, exists in the midst of ahighly industrialized, thickly settled urban envi...
New process converts municipal waste into commodities and fuel
...ess that converts cellulosic biomass such as paper mill
sludge, municipalsolid waste, unrecyclable waste paper, waste wood and agricultural residues intochemicals for fuel, pesticides and other useful materials. Cellulosic biomassis otherwise difficult to recycle and naturally resistant to chemical break...
Synthetic clay could assist radioactive waste cleanup
...ous waste disposal, particularly in the cleanup of mill
tailings left over from the processing of uranium for the nation's nuclear industry. The tailings contain radium and heavy metals that can leach into groundwater and contaminate drinking water supplies. "This result represents significant pro...
Engineers develop odour eaters for pulp mills
Drive by a pulp and paper mill
and one of the first things you'll almost certainly notice is the unmistakable smell. But give a University of Toronto engineering professor his way and you'll find the only thing assaulting your nose is nothing. Professor Grant Allen, director of U...
GM row delays food aid
...press conference in Johannesburg last week, and to mill
it in the US would increase the cost by a third. "If they want to mill
it locally, that's their business." Both sides were locked in negotiations earlier this week to fin...
Wisconsin team engineers hydrogen from biomass
...eets, or low-cost biomass waste streams like paper mill
sludge, cheese whey, corn stover or wood waste. While hydrogen yields are higher for more refined molecules, Dumesic says glucose derived from waste biomass is likely to be the more practical candidate for cost effectively generating power. "We belie...
ARC, Varian, Inc. team up to improve water use in pulp and paper mills
...e supplied by Varian, Inc., as a tool to help pulp mill
operators better manage their water usage. Specifically, the technology will enable mill
operators to improve measurement and control of the stability, concentration and composition of resi...
Researchers engineer low-cost hydrogen catalyst
...eets, or low-cost biomass waste streams like paper mill
sludge, cheese whey, corn stover or wood waste. While hydrogen yields are higher for more refined molecules, Dumesic says glucose derived from waste biomass is likely to be the more practical candidate for cost-effectively generating power. In additi...
How a little bit of cold can kill a big manatee, and what it might mean for the species
...downs of a power plant in Jacksonville and a paper mill
in Fernandina Beach. Florida officials are considering various means to address the problems surrounding manatee dependence on industrial outfalls. Potential solutions range from strict management of power plant closings to the creation of a netwo...
Fe-TAML(R) activators developed at Carnegie Mellon decolorize textile mill wastewater
...-based AOP for removal of dyes from textile dyeing mill
wastewaters," Industrial & Engineering Chemistry D...promising for clearing water polluted with textile mill
dyes" said Colin Horwitz, a research associate professor at Carnegie Mellon who is presenting the re...
Fe-TAML(R) activators developed at Carnegie Mellon help cleanup paper and wood pulp manufacturing
...-based products including white paper. In standard mill
paper processing, a dark, coffee-colored effluent is produced, called 'color' in the industry because of its dark hue, which enters streams and rivers. This effluent often contains a dark-colored oxidized form of a polymer derived from lignin, which ...
Fe-TAML(R) activators developed at Carnegie Mellon break down toxic pesticides
...rocessing byproducts, and removingdye from textile mill
Worlds largest scientific society holds regional meeting in Atlanta
... developing a process and catalyst to convert pulp mill
gases into valuable products. This new process allows the conversion of methanol and mercaptans to formaldehyde, a building block chemical used for thermosetting adhesive resins which are used to bond plywood and other wood products. The waste gases ...
Chemical Society announces EPA awards for environmentally friendly technology
... When built-up adhesives slow down paper machines, mill
operators typically apply toxic solvents to the sticky gunk. But Buckman Laboratories found a novel enzyme to do the job more safely. The company's product, Optimyze, contains an esterase-type enzyme that helps hydrolyze a major adhesive ingredient ...
Global competition closes Texas sawmills/paper mills
...er of sawmills and paper mills has decreased. The mill
closings have resulted in large loses in jobs and ...ed so larger trees can grow. Ironically, as Texas mill
capacity has remained about the same, Texas' demand for wood has increased several fold. From 1982 t...