Currently amang processing plants in Malaysia employ three systems of water management in the wet gravity separation process. These systems may be classified as open water system, recycle water system (natural) and recycle water system (man-made). In the open water system, water is drawn from nearby river or stream, used in wet gravity ...
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Pakistan J. of Biological Science 6(17): 1544-1547 Leeper, G.W. 1964. Introduction to Soil Science. 4th ed. Australia: Melbourne University Press. Mohsen, N., Ismail, B. & Pauzi, A. 2008. Assessment of natural radioactivity in water and sediment from amang (tin tailing) processing ponds. The Malaysian Journal of Applied Sciences 12(1): 150-159.
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A radiological impact assessment (RIA) onto environment from radioactive minerals of amang and ilmenite was carried out in an amang processing plant at Dengkil, Selangor, …
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In Malaysia, the amang industry is composed of both small and relatively large-scale plants. ... Amang processing plants have been shown to have radiological impact to its workers and the immediate environment. It is less clear whether there is radiological impact to nearby houses. The study showed that inhalation of radon and its daughters is ...
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With poorly established safety and health practices in operating plant, amang poses extremely high radioactivity problem associated with high occupational ionizing …
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A major portion of monazite was produced with xenotime as by-products of tin mine processing (Amang plant) in Malaysia [23, 24]. With an estimated reserve of 30,000 tons of rare earth mineral reserves, Malaysian monazite is composed of 6.5–7.5% of ThO 2 and 55.5–75.5% of REOs [26, 27].
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In Malaysia, the amang industry is composed of both small and relatively large-scale plants. The industry employs about 1000 workers, with 50% of the 60 plants employing …
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Three sampling locations were selected for this study i.e the amang effluent discharge point (P1), amang processing pond (P2) and Sg. Kampar (P3) which is located beside the amang processing pond ...
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The fine aggregates used were amang (Minerals and Geoscience Department Malaysia), silica sand (Dura Technology Sdn. Bhd) and lead glass (Nippon Glass (M) Berhad). ... [51], amang-processing plants seem to show radiological effect to their workers and the environment surrounding them. Although A-UHPC has the best radiation absorption rate, it ...
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An amang (tin tailing) processing plant located in Dengkil, Selangor, Malaysia has been in operation for more than 16 years. This plant, with an area of 40,000 m 2, consists of a processing plant building, open area used to heap unprocessed and semi-processed amang and a large pond providing water for use in the amang processing.Amang is process for its …
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Port Klang, the largest port in the country is located in a distance of 200 kms from the processing plant at Kampar. Port Klang ranked as one of the busiest container port, comprises dedicated multipurpose port facilities and services which help shipments to be effected on time so as to meet the customers' delivery schedule.
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In Malaysia, some plants were built very near to ... Workers in amang processing plants who have been with the plant for an average of 12.9 years and who were exposed to radioactive dust showed ...
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(Meneroka Strategi Selepas Pembatalan Pengecualian Pelesenan untuk Industri Pemprosesan Amang Malaysia) MUHAMMAD ABDULLAH RAHMAT1, AZNAN FAZLI ISMAIL1,2,*, ... material accumulated over the years of active processing, Malaysia began to divert attention to the reprocessing ... of the sample collected from each processing plant are stated in Table 1.
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A radiological impact assessment (RIA) onto environment from radioactive minerals of amang and ilmenite was carried out in an amang processing plant at Dengkil, Selangor, Malaysia.
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The wet separation plant is equipped with Cross Flow Separators from Eriez, USA, Spiral Gravity Concentrators from Mineral Technologies [MD], Australia & Wet Table from Holman, UK. The company also has a State-of-the-Art Dry mineral processing plant producing over 50,000 MTs of heavies namely Garnet, Tin, Rutile, Zircon & Ilmenite per annum.
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Workers in amang processing plants who have been with the plant for an average of 12.9 years and who were exposed to radioactive dust showed significantly higher frequencies of chromosomal aberration compared to control and even ilmenite-processing workers. ... In Malaysia, some plants were built very near to housing areas, some even as …
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The amang plants studied were of different processing capacities. Radiation dose assessments from external and internal (radon/thoron daughters and radionuclides in airborne …
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KILANG AMANG ONN SDN BHD ONN MINERAL COMPANY [OMC], Kampar, Malaysia is an established mineral processing industry in existence for four [04] decades, licensed for purchasing, smelting or treating the mineral ores like Garnet, Tin, Rutile, Zircon, Ilmenite, etc., ... was a pioneer in setting up the first mineral separation plant in private ...
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CP Malaysia, shrimp processing plant in Port Klang started operations in mid-year 2004. We are an HACCP certified shrimp processing plant and currently our main export market is to the USA, E.U. and Japan. Our processing plant covers a total production area of 2,100 m2 comprising the conventional (raw) products and cooked products section.
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External gamma exposure rates and airborne thorium levels in plants processing such minerals are studied. ... in airborne mineral dust at 16 amang plants in Malaysia were carried out for three ...
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Twenty six sediment samples were collected from two different amang processing plants employing close water natural system. Sediment samples were collected in special PVC …
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Sample locations were distant from any 'amang' processing plants. The external gamma dose rates ranged from 39 to 1039 nGy h 1. The mean external gamma dose rate was 222 191 nGy h 1. Small areas of relatively enhanced …
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A study was carried out to assess the radiological risk associated with amang processing and the accumulated effluent in the recycling ponds. Twenty-six sediment samples from the recycling ponds of two amang plants in the states of Selangor and Perak, Malaysia, were collected and analyzed.
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Continuous depletion in tin productions has led to a newly emerging industry that is a tin by-product (amang) processing industry to harness mega tons of tin by-products produced in the past.
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Processing of by-product heavy minerals (amang) from tin mining involves potential exposure to external and internal sources of radioactivity.
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Measurements of external radiation level, radon/thoron daughters concentrations in air and uranium/thorium concentrations in airborne mineral dust at 16 amang plants in Malaysia were carried out for three consecutive months to assess radiation dose to workers. Estimated occupational dose was within the range of 1.710.9 mSv y1. The mean total dose at …
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Tin tailing, locally known in Malaysia as Amang, is the by-product of tin ore mineral acquisition, processing, and refinery. Hence, the focus was redirected in processing these residues, whereby ...
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KINTA AMANG DRESSING PLANT SDN. BHD. was incorporated on in Malaysia with registration number of 0012382K / 1. KINTA AMANG DRESSING PLANT SDN. BHD.'s business includes BUSINESS RELATING TO AMANG ORE PROCESSING AND DEALER IN MINERALS. Get an accurate picture of a customer's financial status with a credit …
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Three types of water management systems are used by amang plants, i.e. Open Water System (OWS), Close Water System Man-made (CWS mm) and Close Water System Natural (CWSn). A study was carried out to determine the radiological environmental risk associated with these different water management systems in amang processing in Malaysia. The ...
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The processing of amang, or tin tailings, for valuable minerals has been shown to technologically enhance NORM and this has stirred significant radiological safety and health concerns among Malaysia's regulatory authority. A growing radiological concern is now focused on the amang effluent containin …
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