74,151 research outputs found
Treatment of Low Quality Water by Foam Fractionation
Project Number: A-015-ALAS Agreement Number: 14-01-0001-896 Project Duration: July 1, 1966 - June 30, 1967The removal of iron from Alaskan groundwaters by a foam fractionation
technique has been shown to very effective. Finished waters with less than
0.2 mg/l iron have been produced from raw waters containing in excess of
25 mg/l. Ethylhexadecyldimethylammonium bromide was used as the principal
foaming agent.
Low temperature oxidation of the ferrous iron tended to interfere with
the removal rates, but high temperature oxidation followed by low temperature
fractionation did not exhibit the same adverse influence.
All experiments were performed in four-liter laboratory batch columns.
For the Alaskan environment batch processing is thought to have advantages
over continuous processes because of the need for uncomplicated equipment.The work upon which this report is based was supported in part by funds
provided by the U.S. Department of the Interior, Office of Water Resources
Research, as authorized under the Water Resources Research Act of 1964
The Constitutional Failure of the Strickland Standard in Capital Cases under the Eighth Amendment
Criminal defendants are guaranteed the right to effective assistance of counsel under the Sixth Amendment, but the Supreme Court\u27s decision in Strickland has given appellate courts overly broad discretion to determine exactly what constitutes ineffective assistance of counsel. Murphy reviews the right to counsel and discusses the crucial role of counsel in capital cases throughout the trial and appellate processes
Practical Application of Foam Fractionation Treatment of Low Quality Water
The foaming technique has found extensive use for organic, ion,
and colloid separations from liquid systems. When used to remove
an ion or a colloid, a specific surface-active agent of opposite
charge to the particle being removed is added to the solution and
floated to the surface of the suspension by gas bubbles. The ion
or colloid is adsorbed at the bubble interfaces and collected within
the froth formed at the surface of the container. The froth, with
the contaminant or concentrated material (depending upon the process
and its use) is physically separated at this point and further processed
or discharged to waste. The clarified bottom liquid is
therefore suitable for other uses. In the water supply field, the
bottom liquid is the important product that is to be recovered and
used for consumptive purposes.
Much research has been performed on the theory and applications
of various adsorptive bubble separation methods. These studies are
well documented in the literature for various industries and applications
which might take advantage of the method. It was not the
intent of this work to amplify the findings of other research. The
project was undertaken in an attempt to scale-up laboratory experiments
previously performed at this Institute. No extension of theory,
new processes, or revolutionary findings were attempted.The work upon which this report is based was supported by
funds provided by the U.S. Department of the Interior,
Office of Water Resources Research, as authorized under
the Water Resources Research Act of 1964. Project Number: A-024-ALAS
Agreement Number: 14-01-0001-107
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The case for building climate reporting into financial accounting
For mitigation efforts against climate breakdown to be effective they need to bring in the private sector in a meaningful way. Current standards for financial reporting for commercial organizations focus on the interests of capital suppliers to the exclusion of other stakeholders and civil society. These stakeholders include the suppliers of capital, trading partners, employees, regulators, tax authorities, and civil society. So far initiatives to include environmental and social costs have been additive rather than substantive. In this think piece we offer a radical proposal in the form of sustainable cost accounting (SCA). As a standard SCA would build on existing accounting principles to require commercial organizations to report on how they will manage the costs of becoming net carbon zero compliant. SCA does not include carbon pricing or the cost of offsets. It would require the commercial organization to establish the costs of the transition to carbon neutrality. Regulatory requirements, enmeshment in transnational standards, and adequate auditing would implement SCA. If SCA was mandatory and comprehensively applied it would take a significant step in bringing business onside in addressing climate breakdown
Study on the possible part played by certain primary non-employment incomes in the inflationary process in Ireland
Bio-Processes of the Oxidation Ditch When Subjected to a Sub-Arctic Climate
Alaska's far northern area is sparsely populated primarily because of a
severe climate which varies from northern temperate to Arctic. Construction
and power costs are high. Skilled operating personnel are scarce and
expensive, if available. Receiving streams are said to be delicate, particularily
in the winter, when little possibility for reaeration exists due to a total ice cover. The oxidation ditch modification of the extended aeration activated sludge process appears to be well suited for the
treatment of wastes in this environment. Past operating data on a plant
of this type located in Interior Alaska (near Fairbanks) indicated it may
be well suited to treat small volumes of domestic waste economically,
with low sludge production, and minimal sensitivity to low temperatures.The work reported on herein was done under Contract No. RFP DACA 897l-
R-0006 from the U. S. Army Cold Regions Research and Engineering
Laboratory, Hanover, New Hampshire
Normative Perspectives for Ethical and Socially Responsible Marketing
This article presents a normative set of recommendations for elevating the practice of marketing ethics. The approach is grounded in seven essential perspectives involving multiple aspirational dimensions implicit in ethical marketing. More important, each basic perspective (BP), while singularly useful, is also integrated with the other observations as well as grounded in the extant ethics literature. This combination of BPs, adhering to the tenets of normative theory postulation, generates a connective, holistic approach that addresses some of the major factors marketing managers should consider if they desire to conduct their marketing campaigns with the highest levels of ethics and social responsibility
Variations in the infrared brightness temperature of Saturn's rings
After adjusting for the decreased Sun-Saturn distance and adjusting all measurements to B ring values only, it is shown that the temperature variations are not as large as was thought. Various models of the multilayer agglomerate of particles of Saturn's rings are evaluated. It is recommended that the difference between the 11 and 20 micron brightness temperatures should be explained by a satisfactory model
Distributive Justice: Pressing Questions, Emerging Directions, and the Promise of Rawlsian Analysis
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