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| Total Pages | : 5 |
| Release | : 2000 |
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This report contains the results of testing performed at the request of High Level Waste Engineering. These tests involved the operation of two continuous stirred tank reactors with high level waste.
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| Release | : 2001 |
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One of the proposed methods of removing the cesium, strontium, and transuranics from the radioactive waste storage tanks at Savannah River is the small-tank tetraphenylborate (TPB) precipitation process. A two-reactor-in-series (15-L working volume each) continuous-flow stirred-tank reactor (CSTR) system was designed, constructed, and installed in a hot cell to test the Savannah River process. The system also includes two cross-flow filtration systems to concentrate and wash the slurry produced in the process, which contains the bulk of radioactivity from the supernatant processed through the system. Installation, operational readiness reviews, and system preparation and testing were completed. The first test using the filtration systems, two CSTRs, and the slurry concentration system was conducted over a 61-h period with design removal of Cs, Sr, and U achieved. With the successful completion of Test 1a, the following tests, 1b and 1c, were not required.
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| Total Pages | : 87 |
| Release | : 2001 |
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The goal of the Savannah River Salt Waste Processing Program (SPP) is to evaluate the presently available technologies and select the most effective approach for treatment of high-level waste salt solutions currently stored in underground tanks at the U.S. Department of Energy's Savannah River Site in Aiken, South Carolina. One of the three technologies currently being developed for this application is the Small-Tank Tetraphenylborate Process (STTP). This process uses sodium tetraphenylborate (TPB) to precipitate and remove radioactive cesium from the waste and monosodium titanate (MST) to sorb and remove radioactive strontium and actinides. Oak Ridge National Laboratory is demonstrating this process at the 1:4000 scale using a 20-L-capacity continuous-flow stirred-tank reactor (CSTR) system. Since March 1999, five operating campaigns of the 20-L CSTR have been conducted. The ultimate goal is to verify that this process, under certain extremes of operating conditions, can meet the minimum treatment criteria necessary for processing and disposing of the salt waste at the Savannah River Saltstone Facility. The waste acceptance criteria (WAC) for 137Cs, 9°Sr, and total alpha nuclides are
| Author | : John William Eldridge |
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| Total Pages | : 192 |
| Release | : 1949 |
| Genre | : Chemical reactors |
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| Total Pages | : 512 |
| Release | : 1982 |
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| Total Pages | : 51 |
| Release | : 2000 |
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The goal of the Savannah River Salt Waste Processing Program (SPP) is to evaluate and select the most effective technology for the treatment of the high-level waste salt solutions currently being stored in underground storage tanks at the U.S. Department of Energy Savannah River Site (SRS) in Aiken, South Carolina. One of the three technologies currently being developed for this application is the Small-Tank Tetraphenylborate Process (STTP). This process uses sodium tetraphenylborate (NaTPB) to precipitate and remove radioactive cesium from the waste and monosodium titanate (MST) to sorb and remove radioactive strontium and actinides. Oak Ridge National Laboratory is demonstrating this process at the 1:4000 scale using a 20-L capacity continuous-flow stirred-tank reactor (CSTR) system. Since March 1999, three operating campaigns of the 20-L CSTR have been conducted. The ultimate goal is to verify that this process, under certain extremes of operating conditions, can meet the minimum treatment criteria necessary for processing and disposal at the Savannah River Saltstone Facility. The waste acceptance criteria (WAC) for 137Cs, 9°Sr, and total actinides are
| Author | : Manish Srivastava |
| Publisher | : Springer Nature |
| Total Pages | : 342 |
| Release | : 2021-03-22 |
| Genre | : Science |
| ISBN | : 9813346116 |
This volume is first part of the five-part set on bioenergy research. This volume covers current developments and both basic and advanced concepts in bioenergy production. Based on bioenergy road map, the book will also evaluate about the ratio existing between current challenges associated and practical implementation of these biofuels. The book complies up to-date progressive development in available bioenergy options and discusses opportunities and existing risks. The main objective of the book is to provide insights into the opportunities and required actions for the development of an economically viable bioenergy industry for practical replacement of fossil fuels. This book is of interest to teachers, researchers, scientists, capacity builders and policymakers. Also the book serves as additional reading material for undergraduate and graduate students of environmental sciences. National and international bioenergy scientists, policy makers will also find this to be a useful read. Other four volumes of this set explore latest developments, commercial opportunities, waste to energy and integrated solution for bioenergy concerns.
| Author | : United States. Energy Research and Development Administration |
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| Total Pages | : 638 |
| Release | : 1976 |
| Genre | : Power resources |
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| Author | : United States. Energy Research and Development Administration. Technical Information Center |
| Publisher | : |
| Total Pages | : 914 |
| Release | : 1976 |
| Genre | : Force and energy |
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| Author | : Indu Shekhar Thakur |
| Publisher | : I K International Pvt Ltd |
| Total Pages | : 531 |
| Release | : 2011-01-06 |
| Genre | : Science |
| ISBN | : 9380578474 |
Biotechnology impinges on everyone's lives. It is one of the major technologies of the twenty-first century with wide-ranging, multidisciplinary activities ranging from small entities of life to the application, and production of goods. Environmental biotechnology is a huge and fast growing field with increasing relevance for a sustainable development through protection of environment to production of biomaterials. It continues to revolutionize the understanding of basic life sustaining processes in the environment, identification and exploitation of the molecules, and its use to provide clean technologies and to deal with environmental problems. This book provides an overview of basic processes of the environment, perturbations in the environment due to natural and human activities and use of biotechnological principles for remediation for sustainable development of the environment.
