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Xprt Product Applications In Arkansas
202 applications found
CST Covers aluminum domes are custom designed around a bulk storage facilities specific clearance requirements, basin configuration and bulk handling equipment. Structurally efficient and lightweight, they maximize bulk storage capacity, minimize foundation costs and provide dependable protection form the elements while remaining virtually maintenance ...
ByCST Industries Inc based in  Kansas City, MISSOURI (USA)
CST Covers aluminum domes are custom designed around a bulk storage facilities specific clearance requirements, basin configuration and bulk handling equipment. Structurally efficient and lightweight, they maximize bulk storage capacity, minimize foundation costs and provide dependable protection form the elements while remaining virtually maintenance ...
ByCST Industries Inc based in  Kansas City, MISSOURI (USA)
From Harvestore silos and unloaders to Slurrystore manure storage systems, no one invests in advancing agricultural productivity like ...
ByCST Industries Inc based in  Kansas City, MISSOURI (USA)
Helping others clean up the earth by clearing up brownfield remediation odors. Helping others clean up the earth by clearing up brownfield remediation odors. Brownfield remediation consists of removing large amounts of soil that have been saturated with tar, oil or other contaminating substances. Not only dangerous to handle, the disturbed soil is often infused with very unpleasant and in some cases potentially nauseous ...
ByEcosorb by OMI Industries based in  Palatine, ILLINOIS (USA)
Control Asphalt Odors Naturally: The production of hot mix paving asphalt generates odors that can be strong, persistent, and a nuisance to employees and neighbors alike. Controlling and abating these odors can be a ...
ByEcosorb by OMI Industries based in  Palatine, ILLINOIS (USA)
Waste Type: Complex alcohols. Objective: Certain constituents of the test waste were know to be biodegradable but were suspected of being toxic to aerobic biological processes when present in high concentrations. The objective was then to determine how much waste could be added to an activated sludge process before toxic impacts would be ...
ByChallenge Technology based in  Springdale, ARKANSAS (USA)
Measurement of oxygen uptake rates in activated sludge processes is essential to their satisfactory operation. Traditionally, oxygen uptake rates (OUR) have been determined by using a dissolved oxygen probe to measure the change in dissolved oxygen in a BOD bottle. While this method is rapid, it provides only a snapshot of the pattern of oxygen uptake in a treatment plant. Much more can be learned about the operation of a treatment plant by measuring the oxygen uptake rate over a period ranging from one to four ...
ByChallenge Technology based in  Springdale, ARKANSAS (USA)
Biodegradation tests involve testing samples in response to various parameters: dilution, nutrient addition, pH, temperature, and others. The pattern of oxygen uptake in aerobic tests; nitrogen gas production in anoxic denitrification tests; methane production in methanogenic tests; hydrogen production during glycolysis; and carbon dioxide production during fermentation reactions gives a measure of the rate and extent of biodegradation of the organic constituents of the test ...
ByRespirometer Systems and Applications, LLC (RSA) based in  Fayetteville, ARKANSAS (USA)
Intrinsic kinetic tests involve adding relatively high concentrations of organic substrate to small concentrations of acclimated microorganisms so that the COD/VSS ratio typically is greater than 10. Kinetic parameters are then determined by non-linear modeling using well-known relationships between biological growth and oxygen ...
ByRespirometer Systems and Applications, LLC (RSA) based in  Fayetteville, ARKANSAS (USA)
Anaerobic biodegradation tests – often referred to as Biochemical Methane Production (BMP) tests – involve addition of known amounts of a chemical or wastewater to anaerobic cultures. The quantity of methane production – relative to that from a control – indicates the biodegradation potential. This case study shows methane production for a Control reactor and three test reactors that were operated at 20-, 30- and 45-day retention times and received three doses of industrial wastewater. The ...
ByRespirometer Systems and Applications, LLC (RSA) based in  Fayetteville, ARKANSAS (USA)
The pattern of oxygen uptake– relative to that for a control substrate – gives a measure of the rate and extent of biodegradation of the organic constituents of the test sample. In this case, samples #2 and #3 showed a much lower biodegradation rate than the ...
ByRespirometer Systems and Applications, LLC (RSA) based in  Fayetteville, ARKANSAS (USA)
Travel in comfort. We protect passengers from unwanted odors and irritating exhaust while creating a pleasant, comfortable, and healthier transportation ...
ByPurafil, Inc. - Filtration Group based in  Doraville, GEORGIA (US) (USA)
Test Setup: A series of dilutions consisting of 50, 75, 100, 125, 150, and 175 mL of test wastewater were added to respective 500 mL respirometer flasks along with nutrients, minerals, and buffers. TCMP was added to eliminate interference from nitrification. Oxygen uptake was measured over a five-day test period using a CHALLENGE AER-200 ...
ByChallenge Technology based in  Springdale, ARKANSAS (USA)
Method: An industry was discharging wastewater to a municipal sewer and was suspected of causing problems with treatment at the plant. Samples of the industrial wastewater were collected and oxygen uptake for four dilutions was measured using a CHALLENGE AER-200 aerobic/anaerobic respirometer system. Biodegradation kinetic coefficients were determined using the method described by Dang, et. al. (Res. J. of Water Poll. Control Fed., p. 1711, 1989). Results of the oxygen uptake measurements and kinetic analyses are ...
ByChallenge Technology based in  Springdale, ARKANSAS (USA)
A pharmaceutical company was interested in knowing whether a specific component, MCB, inhibited the biodegradation of other wastewater constituents. A series of respirometer tests was set up using identical mixtures of wastewater and return activated sludge (RAS) plus varying amounts of MCB. The OUR fingerprint of this wastewater includes a first peak of about 500 mg/L-hr within the first hour of contact that represents the oxidation of highly-biodegradable organic constituents. A second group of readily ...
ByChallenge Technology based in  Springdale, ARKANSAS (USA)
A pulp mill was interested in evaluating the impact of increasing organic loading rates on the performance of their activated sludge ...
ByChallenge Technology based in  Springdale, ARKANSAS (USA)
Test Setup: 40 and 60 mL of wastewater were added to individual respirometer flasks each containing nutrient/mineral/buffer medium to form two different dilutions. TCMP was added to inhibit nitrification. 25 mL of seed from a laboratory scale reactor was added to each test reactor. Oxygen uptake was monitored using a CHALLENGE AER-200 respirometer for five days. A second dose of 40 and 60 mL of leachate sample was then added to each reactor and oxygen uptake was measured for another 5 ...
ByChallenge Technology based in  Springdale, ARKANSAS (USA)
OUR measurements were made for two waste streams from a chemical production plant. The fingerprint for Waste 1 indicated the presence of three major groups of organic constituents. The first group of readily biodegradable organic constituents is oxidized at maximum kinetic rate through about one hour of contact. Oxidation of a second group of constituents causes the OUR to increase through about 3.5 hours of incubation. This increase in OUR is caused by growth of microorganisms during the oxidation reaction. ...
ByChallenge Technology based in  Springdale, ARKANSAS (USA)
Weather is the state of the atmosphere that is driven by air pressure, temperature, and moisture differences between one place and another. Many geospatial variables influence such weather drivers. Understandings of what weather is, what makes it change, the effect it has different applications have existed for most of human history. Today, weather understanding, modelling, and forecasting are made by collecting quantitative data about the current state of the atmosphere, land, and ocean by using meteorology data ...
ByStevens Water Monitoring Systems, Inc. based in  Portland, OREGON (USA)
You are proud of the services you deliver to improve health and save lives. We can help you deliver a safer environment with increased patient comfort, promoting a nurturing environment and a sense of ...
ByPurafil, Inc. - Filtration Group based in  Doraville, GEORGIA (US) (USA)