scholarly journals The X-625 Groundwater Treatment Facility: A field-scale test of trichloroethylene dechlorination using iron filings for the X-120/X-749 groundwater plume

1997 ◽  
Author(s):  
L. Liang ◽  
O.R. West ◽  
N.E. Korte
Keyword(s):  
Groundwater Treatment ◽  
Field Scale ◽  
Treatment Facility ◽  
Scale Test

Simulations of In-Situ Upgrading Process: Interpretation of Laboratory Experiments and Study of Field-Scale Test

SPE Journal ◽  
2019 ◽  
Vol 24 (06) ◽  
pp. 2711-2730
Author(s):  
A.. Perez–Perez ◽  
M.. Mujica Chacín ◽  
I.. Bogdanov ◽  
A.. Brisset ◽  
O.. Garnier
Keyword(s):  
Experimental Data ◽  
Numerical Model ◽  
Field Test ◽  
Energy Efficient ◽  
Computer Assisted ◽  
Solid Residue ◽  
Test Results ◽  
Field Scale ◽  
Scale Test

Summary In–situ upgrading (IU) is a promising method of improved viscous– and heavy–oil recovery. The IU process implies a reservoir heating up and exposure to a temperature higher than 300°C for a time period long enough to promote a series of chemical reactions. The pyrolysis reactions produce lighter oleic and gaseous components, while a solid residue remains underground. In this work, we developed a numerical model of IU using laboratory experience (kinetics measurements and core experiments) and validated the results by applying our model to an IU field–scale test published in the literature. Finally, we studied different operational conditions in a search for energy–efficient configurations. In this work, two types of IU experimental data are used from two vertical–tube experiments with Canadian bitumen cores (0.15 and 0.69 m). A general IU numerical model for the different experimental setups has been developed and compared with experimental data, using a commercial reservoir–simulator framework. This model is capable of representing the phase distribution of pseudocomponents, the thermal decomposition reactions of bitumen fractions, and the generation of gases and residue (solid) under thermal cracking conditions. Simulation results for the cores exposed to a temperature of 380°C and production pressure of 15 bar have shown that oil production (per pseudocomponent) and oil–sample quality were well–predicted by the model. Some differences in gas production and total solid residue were observed with respect to laboratory measurements. Computer–assisted history matching was performed using an uncertainty–analysis tool with the most–important model parameters. To better understand IU field–scale test results, the Shell Viking pilot (Peace River) was modeled and analyzed with the proposed IU model. The appropriate gridblock size was determined and the calculation time was reduced using the adaptive mesh–refinement (AMR) technique. The quality of products, the recovery efficiency, and the energy expenses obtained with our model were in good agreement with the field test results. In addition, the conversion results (upgraded oil, gas, and solid residue) from the experiments were compared with those obtained in the field test. Additional analysis was performed to identify energy–efficient configurations and to understand the role of some key variables (e.g., heating period and rate and the production pressure) in the global IU upgrading performance. We discuss these results, which illustrate and quantify the interplay between energy efficiency and productivity indicators.

Partitioning Tracers for Measuring Residual NAPL: Field-Scale Test Results

1998 ◽  
Vol 124 (6) ◽  
pp. 498-503 ◽  
Author(s):  
Michael D. Annable ◽  
P. S. C. Rao ◽  
Kirk Hatfield ◽  
Wendy D. Graham ◽  
A. L. Wood ◽  
...  
Keyword(s):  
Test Results ◽  
Field Scale ◽  
Scale Test ◽  
Partitioning Tracers

Pollutant removal performance of field scale dual-mode biofilters for stormwater, greywater, and groundwater treatment

2021 ◽  
Vol 163 ◽  
pp. 106192
Author(s):  
Kefeng Zhang ◽  
Natalie J. Barron ◽  
Yaron Zinger ◽  
Belinda Hatt ◽  
Veljko Prodanovic ◽  
...  
Keyword(s):  
Pollutant Removal ◽  
Groundwater Treatment ◽  
Field Scale ◽  
Dual Mode

Simulations of In-Situ Upgrading Process: Interpretation of Laboratory Experiments and Study of Field-Scale Test

2018 ◽  
Author(s):  
A. Perez-Perez ◽  
M. Mujica ◽  
I. Bogdanov ◽  
A. Brisset ◽  
O. Garnier
Keyword(s):  
Laboratory Experiments ◽  
Field Scale ◽  
Scale Test

Characterization of nZVI Mobility in a Field Scale Test

2014 ◽  
Vol 48 (5) ◽  
pp. 2862-2869 ◽  
Author(s):  
Chris M. Kocur ◽  
Ahmed I. Chowdhury ◽  
Nataphan Sakulchaicharoen ◽  
Hardiljeet K. Boparai ◽  
Kela P. Weber ◽  
...  
Keyword(s):  
Field Scale ◽  
Scale Test

Characteristics of Trapped Debris by Slit-Type Barriers: Field-Scale Test Results

2017 ◽  
Vol 17 (5) ◽  
pp. 261-269 ◽  
Author(s):  
Shin-Kyu Choi ◽  
◽  
Jung-Min Lee ◽  
Yun-Tae Kim ◽  
Tae-Hyuk Kwon ◽  
...  
Keyword(s):  
Test Results ◽  
Field Scale ◽  
Scale Test

scholarly journals Development of field-scale composite biorack constructed wetland – startup phase

2020 ◽  
Vol 170 ◽  
pp. 06009
Author(s):  
Mitil Koli ◽  
Guru Munavalli
Keyword(s):  
Wastewater Treatment ◽  
Constructed Wetland ◽  
Positive Outcomes ◽  
Typha Angustifolia ◽  
Field Scale ◽  
Treatment Facility ◽  
Compartment System ◽  
Decentralized Wastewater Treatment ◽  
Decentralized Wastewater Treatment System ◽  
College Of Engineering

Constructed Wetlands (CW) with Biorack (BR) technology have been studied extensively in recent years with positive outcomes compared to conventional CWs. A field scale application of the same has been worked upon in the Composite Biorack Constructed Wetland (CBCW) which is a secondary wastewater treatment facility of the Decentralized Wastewater Treatment System (DWTS) at Walchand College of Engineering, Sangli (M.S.), India. The CBCW is a multi-compartment system comprising of compartments with brickbats as supporting medium and BR Compartments (BRC) and has been in operation since May, 2018. The CBCW is vegetated with Typha angustifolia L. and Canna indica macrophytes. Being a unique CW, studies on difficulties aroused during the startup phase need to be addressed so as to arrive at proper troubleshooting techniques for future references. The paper addresses various issues, specifically growth of vegetation and their early wiltage in CBCW, for a period of 150 days. Using alternative modes of plantation, it is concluded that vegetation acclimatization, proper suspension and grip of the bulb and roots of saplings in racks, fluctuating inflow of wastewater are few reasons influencing development of vegetation. An improvement by about 12% is obtained in COD removal in the latter period of study implying establishing of vegetation in CBCW.

Vegetative propagation of kura clover: A field-scale test

2012 ◽  
Vol 92 (7) ◽  
pp. 1245-1251 ◽  
Author(s):  
John M. Baker
Keyword(s):  
Vegetative Propagation ◽  
Forage Legume ◽  
Field Scale ◽  
Viable Option ◽  
Trifolium Ambiguum ◽  
Kura Clover ◽  
Source Field ◽  
Scale Test ◽  
Survival And Growth

Baker, J. M. 2012. Vegetative propagation of kura clover: a field-scale test. Can. J. Plant Sci. 92: 1245–1251. Kura clover (Trifolium ambiguum M. Bieb.) is a potentially valuable forage legume, but it has been underutilized. A major reason is the difficulty of establishing it from seed. Since kura is rhizomatous, there have been attempts to propagate it vegetatively, but no reports of success at the field scale. Two harvesting methods were tested to transplant material from a mature 17-ha field to a newly tilled 17-ha field: a bermudagrass sprigger that harvests bare rhizome sprigs, and a potato digger that harvests crowns and rhizomes, along with soil. The harvested propagules were distributed over the new field in July 2010 with a manure spreader, then disked and packed. Survival and growth were observed for the remainder of 2010 and through 2011, and recovery of the source field was also monitored. The material harvested with the sprigger did not compete well with weeds and had virtually disappeared by midsummer 2011, but the material harvested with the potato digger thrived, steadily increasing to nearly 80% of the biomass in the new field by the 3rd cutting in summer 2011. Properly done, vegetative propagation is a viable option for kura clover establishment.

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