Pretoria, South Africa

The South African Nuclear Energy Corporation was established as a public company by the Republic of South Africa Nuclear Energy Act in 1999 and is wholly owned by the State. The name is correctly indicated above, although the sequence of letters in the acronym may be taken as suggesting that the name should be the "Nuclear Energy Corporation of South Africa".Necsa replaced the country's Atomic Energy Corporation. Apart from several ancillary functions, the main functions of Necsa are to undertake and promote research and development in the field of nuclear energy and related technologies; to process and store nuclear material and other restricted material; and to co-ordinate with other organisations in matters falling within these spheres. Apart from its main operations at Pelindaba, Necsa also operates the Vaalputs radioactive waste-disposal facility. The Corporation also serves the State's other nuclear institutional obligations. The chief executive officer of Necsa is Mr. Phumzile Tshelane since 1 September 2012.Necsa is organisationally divided into a commercial group, Pelindaba Technology , which conducts business in a variety of products and markets and another group, Pelindaba Nuclear Institute , which is concerned with statutory functions, R&D, support and facility operations. Pelindaba Technology is a portfolio of businesses of which Nuclear Technology Products is a division and serves the international markets for radiation-based technology and products. Also The Uranium Enrichment Corporation of South Africa, Ltd. which operated a facility at Valindaba to produce HEU.Necsa employs some 1.400 people in diverse areas such as physics, engineering, chemistry and electronics. With changes in the country’s positioning on nuclear involvement and South Africa’s re-entry into world markets in 1990, a decision was taken to focus the organisation on commercially driven projects. Today, Necsa supplies a wide range of innovative hi-technology products and services to South African and foreign market sectors with the SAFARI-1 reactor as the cornerstone of the commercial isotope production programme. This research reactor at Pelindaba, SAFARI-1, is now the most commercialised nuclear reactor in the world with ISO 9000 accreditation and is earning South Africa millions of rands' worth of foreign revenue. The 20 MW research reactor SAFARI-1 was initially used for high level nuclear physics research programmes and was commissioned in 1965. In the 1970s and 1980s the focus of activities at Pelindaba was on the exploitation of South Africa’s uranium resources through the successful design, construction and commissioning of commercial uranium hexafluoride, uranium enrichment, and nuclear fuel assembly production facilities. Wikipedia.


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News Article | May 25, 2017
Site: www.engineeringnews.co.za

Family-owned Hazelton Pumps and engineering solutions provider Weir Minerals were the big winners at the Steel and Engineering Industries Federation of Southern Africa’s (Seifsa’s) Awards for Excellence. Almost 100 guests representing small and large companies in the metals and engineering sector attended the third Seifsa Awards for Excellence ceremony in Sandton, on Thursday night. Hosted in partnership with the Industrial Development Corporation, the gala function was held on its own for the first time, and not as part of the annual Southern African Metals and Engineering Indaba. South African Nuclear Energy Corporation chairperson Dr Kelvin Kemm was the guest speaker. Hazelton won the Most Innovative Award and the Best Customer Service of the Year Award. Weir Minerals, which has embraced the challenges of the amended Broad-Based Black Economic Empowerment Codes of Good Practice and for whom the skills development agenda has become the cornerstone, won the Most Transformed Company of the Year Award. Vesco Plastics, which employs fewer than 50 people, won the Artisan of the Year Award; ABB South Africa won the Corporate Social Responsibility of the Year Award; and SGB Cape won the Health and Safety Award of the Year. Seifsa CEO Kaizer Nyatsumba also presented the coveted CEO’s Awards to former Seifsa board member Neil Penson for outstanding service to the federation and the industry. Tsakane Themba was recognised for having been the best student at the Seifsa Training Centre in 2016, while HC Heat Exchangers won the Company of the Year Award. The Electrical Engineering and Allied Industries Association was recognised as Association of the Year. For the third year in a row, there were no entries for the Environmental Stewardship of the Year category. Nyatsumba expressed the hope that there would be entrants for this category in next year’s awards, given that environmental stewardship was of growing importance for all businesses. The Seifsa Awards for Excellence were launched in 2015 as a way to encourage growth and celebrate excellence in the metals and engineering sector. “In such turbulent economic times and a challenging business environment, we at Seifsa believe it is critically important for those companies which excel at what they do to get the acknowledgement and recognition that they deserve,” said Nyatsumba. He added that the panel of judges – made up of external experts – were impressed with the high quality of entries for the awards. This, he said, vindicated Seifsa’s belief that, even during these difficult economic times, some companies in the metals and engineering sector have continued to strive for greater competitiveness both domestically and internationally.


Patent
South African Nuclear Energy Corporation | Date: 2017-02-01

THIS invention relates to a transfer vessel for use in transferring products between radiation containment chambers, and more particularly but not exclusively, to transfer products from one chamber to another without cross-contamination. The invention also relates to a process of transferring products between radiation containment chambers without cross- contamination. The transfer vessel includes a first enclosure which is closed off by a lid and a second enclosure which is closed off by a displaceable closure, with the displaceable closure being housed in the lid. The first enclosed volume and the second enclosed volume can selectively be accessed by opening the lid and the displaceable closure respectively.


Patent
South African Nuclear Energy Corporation | Date: 2017-02-08

A process for producing a hexafluorophosphate salt comprises neutralizing hexafluorophosphoric acid with an organic Lewis base, to obtain an organic hexafluorophosphate salt. The organic hexafluorophosphate salt is reacted with an alkali hydroxide selected from an alkali metal hydroxide (other than LiOH) and an alkaline earth metal hydroxide, in a non-aqueous suspension medium, to obtain an alkali hexafluorophosphate salt as a precipitate. A liquid phase comprising the non-aqueous suspension medium, any unreacted organic Lewis base and any water that has formed during the reaction to form the precipitate, is removed. Thereby, the alkali hexafluorophosphate salt is recovered.


Grant
Agency: European Commission | Branch: FP7 | Program: CP | Phase: Fission-2007-6.0.01;Fission-2007-1.1-01 | Award Amount: 12.29M | Year: 2008

Gas-Cooled Reactors (GCR), RBMK and some Material Test Reactors (MTR) make use of graphite as moderator of the fuel, structures of the core and/or thermal columns. During operation, the graphite and other carbonaceous materials like carbon brick, pyrocarbon and silicon carbide coatings are contaminated by fission products and neutron activation. These irradiated carbonaceous wastes are problematic due to their content of long-lived radioisotopes (e.g. Carbon14, Chlorine 36) and due to their large volumes. About 250000 t of i-carbon are existing, worldwide. Acceptable solutions have not yet been established to handle this kind of waste. This fact also represents a significant drawback for the market introduction of graphite-moderated reactors like Very/High-Temperature Reactors (V/HTR) as a promising Generation IV system candidate. Graphite moderated reactors represent the very first generation of nuclear reactors and therefore need to be decommissioned ahead of other reactor types which evolved later. Presently, accelerated decommissioning of GCR and RBMK and subsequent disposal of i-graphite is the preferred option for not leaving this waste as a legacy for future generations. The CARBOWASTE project aims at an integrated waste management approach for this kind of radioactive wastes which are mainly characterized as Intermediate Level Waste (ILW), due to the varying content of long-lived radioisotopes. Methodologies and databases will be developed for assessing different technology options like direct disposal in adopted waste containers, treatment & purification before disposal or even recycling i-carbonaceous material for reuse in the nuclear field. The feasibility of the associated processes will be experimentally investigated to deliver data for modeling the microstructure and localization of contaminants. This is of high importance to better understand the origin of the contamination and the release mechanisms during treatment and/or disposal.


Patent
South African Nuclear Energy Corporation and North West University South Africa | Date: 2014-11-04

This invention relates to a pharmaceutical composition for parenteral or oral administration containing a radioactive compound which can be used diagnostically or therapeutically. The composition comprises a micro-emulsion constituted by a dispersion of vesicles or microsponges of a fatty acid based component in an aqueous or other pharmacologically acceptable carrier in which nitrous oxide is dissolved, the fatty acid based component comprising at least one long chain fatty acid based substance selected from the group consisting of free fatty acids and derivatives of free fatty acids, and the radioactive compound.


Patent
South African Nuclear Energy Corporation | Date: 2011-03-10

The invention relates to a method of producing radionuclides. According to the method, a target medium comprising at least a target nuclide material is irradiated in an irradiation zone with neutron irradiation. Radionuclides form in the target nuclide material as a result of the irradiation, and at least some of the formed radionuclides are ejected from the target nuclide material. The ejected radionuclides are then captured and collected in a carbon-based recoil capture material which does not have an empty cage structure at crystallographic level.


Patent
South African Nuclear Energy Corporation | Date: 2012-10-11

A process for treating a zirconium containing feedstock includes fluorinating a feedstock comprising dissociated zircon (DZ) to obtain a zirconium fluorine compound and a silicon fluorine compound. The zirconium fluorine compound is separated from the silicon fluorine compound is provided. Optionally, the zirconium fluorine compound is reacted with a non-fluorine halogen, an alkali metal non-fluorine halide or an alkaline-earth metal non-fluorine halide, thereby to obtain a zirconium non-fluorine halide. The zirconium fluorine compound or, when present, the zirconium non-fluorine halide is subjected to plasma reduction, in a plasma reduction stage, in the presence of a reductant, to obtain metallic zirconium.


Patent
University of Johannesburg and South African Nuclear Energy Corporation | Date: 2012-07-02

The invention relates to a method for preparing a bisphosphonate covalently bonded to a nanostructure. This invention also relates to a bisphosphonate having incorporated therein a radioisotope selected from ^(32)p or ^(33)P, preferably ^(33p), wherein the bisphosphonate is covalently bonded to a nanostructure directly or by way of a linker, and to the use thereof in a method of treating calcific tumours in a patient.


Patent
South African Nuclear Energy Corporation | Date: 2014-03-31

A process for producing a hexafluorophosphate salt comprises neutralizing hexafluorophosphoric acid with an organic Lewis base, to obtain an organic hexafluorophosphate salt. The organic hexafluorophosphate salt is reacted with an alkali hydroxide selected from an alkali metal hydroxide (other than LiOH) and an alkaline earth metal hydroxide, in a non-aqueous suspension medium, to obtain an alkali hexafluorophosphate salt as a precipitate. A liquid phase comprising the non-aqueous suspension medium, any unreacted organic Lewis base and any water that has formed during the reaction to form the precipitate, is removed. Thereby, the alkali hexafluorophosphate salt is recovered.


Patent
South African Nuclear Energy Corporation | Date: 2015-02-06

The present invention relates to a stabilized kit for the preparation of a radiopharmaceutical. In particular, the present invention relates to the use of a non-aqueous solvent for the stabilisation of the ligand component of the kit.

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