搜索结果: 1-15 共查到“理学 Wastewater”相关记录25条 . 查询时间(0.125 秒)
Radioactivity From Oil And Gas Wastewater Persists In Pennsylvania Stream Sediments（图）
Radioactivity Oil And Gas Wastewater Pennsylvania Stream Sediments
2018/2/1
More than seven years after Pennsylvania officials requested that the disposal of radium-laden fracking wastewater into surface waters be restricted, a new Duke University study finds that high levels...
Virginia Tech Study:Further Reducing Injections Of Oilfield Wastewater Underground Can Prevent Larger Earthquakes In Oklahoma（图）
Virginia Tech Further Reducing Injections Oilfield Wastewater Underground Prevent Larger Earthquakes Oklahoma
2018/1/31
In a new study, Virginia Tech College of Science researchers have found that efforts to curb earthquakes triggered by the injection of oilfield wastewater into the ground in Oklahoma ar...
In work that offers insight into the magnitude of the hazards posed by earthquake faults in general, seismologists have developed a model to determine the size of an earthquake that could be triggered...
Fabrication of high-performance PVA/PAN composite pervaporation membranes crosslinked by PMDA for wastewater desalination
Pervaporation Desalination Crosslinked PVA Composite membranes Wastewater treatment
2018/4/2
The pyromellitic dianhydride (PMDA) crosslinked poly(vinyl alcohol) (PVA) was coated on top of the PAN ultrafiltration membrane to form a PVA/PAN composite PV membranes for wastewater desalination. Th...
Isotopocule characterization of N2O dynamics during simulated wastewater treatment under oxic and anoxic conditions
N2O isotopocule ratios wastewater N2O reduction oxic and anoxic condition
2017/4/10
Isotopocule ratios of N2O (d15N, d18O and SP = 15N site preference within the linear N2O molecule) are useful parameters
to identify sources of this greenhouse gas and provide an insight into product...
Nitrogen Removal from Milking Center Wastewater via Simultaneous Nitrification and Denitrification Using a Biofilm Filtration Reactor
Nitrogen Loading Rate Simultaneous Nitrification and Denitrification
2016/5/18
Milking center wastewater (MCW) has a relatively low ratio of carbon to nitrogen (C/N ratio), which should be separately managed from livestock manure due to the negative impacts of manure nutrients a...
CU-Boulder technology could make treatment and reuse of oil and gas wastewater simpler, cheaper
CU-Boulder technology treatment and reuse of oil gas wastewater simpler cheaper
2015/3/4
Oil and gas operations in the United States produce about 21 billion barrels of wastewater per year. The saltiness of the water and the organic contaminants it contains have traditionally made treatme...
Biochar can be used to capture essential nutrients from dairy wastewater and improve soil physico-chemical properties
Biochar nutritional dairy products waste water biomass agriculture nutrients soil productivity
2015/1/6
Recently, the potential for biochar use to recapture excess nutrients from dairy wastewater has been a focus of a growing number of studies. It is suggested that biochar produced from locally availabl...
Oklahoma earthquake swarm linked to wastewater injection wells, says study involving CU-Boulder
The earthquake Wastewater Oil Natural gas Underground strata Hydrological geology sewage
2014/7/18
The massive increase in earthquakes in central Oklahoma is likely being caused by the injection of vast amounts of wastewater from oil and gas operations into underground layers of rock, according to ...
Effect of Chytriomyces hyalinus on Industrial Wastewater Pre-Treated with Electrocoagulations in a Continuous System
Chytriomyces hyalinus Electrocoagulations Industrial Wastewater
2013/3/8
A strain of Chytriomyces hyalinus fungus was applied as a pretreatment on industrial wastewater pollutant using electrocoagulations column of aluminum electrodes in a continuous system. The parameters...
Study of Backwashing Process for Ceramic Micro-Filtration Membranes Used in Pretreatment of DMF Wastewater
Backwashing Process Ceramic Micro-Filtration Membrane DMF Wastewater Membrane Fouling
2011/12/15
DMF wastewater from the PU synthetic leather industries was filtrated by ZrO2 micro-filtration membranes with an average pore size of 0.2μm. The membrane fouling mechanism was analyzed by resistance-i...
Treatment of Tannery Wastewater with Salt Tolerant Bacteria Basing on Different Culture Mediums
Average Generation Time Salinity Salt-Tolerant Bacteria Tannery Wastewater
2011/12/20
This study was done to access the influence of salinity on the treatment of tannery wastewater, activity of sludge and morphological characteristics of the salt-tolerant bacteria cultivated using tann...
Study on the Adsorption of Livestock Wastewater by Bentonite Coated Chitosan
Adsorption Bentonite Coated Chitosan Livestock Wastewater
2011/11/14
The bentonite coated chitosan which was prepared of natural bentonite used as raw material and chitosan used as modifying agent applied in the treatment of livestock wastewater. The optimal preparatio...
Recycling Lanolin from Tannery Wastewater by Mixed Flocculation and Extraction Processing
Lanolin Mixed Flocculation and Extraction Recovery Rate Tannery Wastewater
2011/12/16
Using mixed flocculation and extraction method to recover the lanolin from Tannery Wastewater, and studied the process research. The result indicated that the recovery rate of lanolin can reached 92% ...
Treatment and Recycling of Wastewater by Submerged Hollow Fiber Membrane
Membrane Bioreactor Separation Fouling Hollow Fiber Membrane
2013/3/8
In this study, the effects of experimental conditions including the MBR equipped novel device and different operating modes on permeate flux were studied. The results show that the MBR equipped novel ...