The Malaysian Journa l of Analytical Sciences, Vol 11, No 1 (2007):314-323 314 ... Two amang processing plants, one each from the states of Selangor and Perak, Malaysia were chosen for this study. Both plants employ the recycle close water natural management system, i.e. the water is …

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 ...

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 …

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.

Seven sediment samples were collected from two amang processing plants. Plant no. 1 is located in the state of Perak, while Plant no. 2 is located in the state of Selangor, Malaysia. Both states were selected for this study because they were, and still are, the major producers of tin and valuable minerals in Malaysia.

produced by amang plants, and rare earth residue of rare earth elements industries which represents one of the . ... Omar, NORM Processing in Malaysia: An overview nuclear Malaysia /L/2010/11.1 ...

Radiological hazard associated with amang processing industry in Peninsular Malaysia and its environmental impacts ... it is concluded that radiation doses to some amang plant workers may approach ...

The Malaysian Journa l of Analytical Sciences, Vol 11, No 1 (2007):314-323 314 GAMMA HAZARDS AND RISK ASSOCIATED WITH NORM IN ... Such concern is elevated when most amang processing plants employs the recycling close water management system. In such system, water used in the physical

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.

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 ...

Download scientific diagram | Threshold value of 232 Th radioactivity in amang samples. from publication: Radiological hazard associated with amang processing industry in Peninsular Malaysia and ...

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 the amang …

The amang plants studied were of different processing capacities. Radiation dose assessments from external and internal (radon/thoron daughters and radionuclides in airborne …

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. Amang composed of profitable multi-heavy minerals and rare-earth elements. With poorly established safety an …

Reduction in tin mining activity and the price of world's tin, had shifted the activity toward processing the tin by-product (tin tailing or amang) for other minerals (Ismail et al. 2003).Amang is ...

The contribution of amang processing and the use of recycling close water management system in enhancing potential environmental radiological risk are discussed. Keywords : NORM, tin …

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 …

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.

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 …

The company 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. The stockpiles are processed using world-class machineries like High Tension …

Gross alpha and gross beta activities were determined for mineral samples collected from five amang tailing factories. The measured activity of alpha ranged from 31 to 220,000 Bq kg−1 with an ...

Work activity, radiation dosimeters and external dose measurement in amang processing plant. J. Sains Nuklear Malaysia 19(2): 31-39 . British Standard Institution 1377. ... Radiological environmental risk associated with different water management system in amang processing in Malaysia. Pakistan J. of Biological Science 6(17): 1544 -1547 ...

It was found that the major dose contribution of 80% came from external radiation, and Radon/thoron daughters and airborne mineral dust contributed to only 11 and 9% of the total dose, respectively. Measurements of external radiation level, radon/thoron daughters concentrations in air and uranium/thorium concentrations in airborne mineral dust at 16 amang …

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].

Sample locations were distant from any 'amang' processing plants. The external gamma dose rates ranged from 39 to 1039 ... "Amang" is a Malaysian term. It consists of group of heavy minerals which occur together with the tin ore recovered from the alluvium. The constituents of amang are monazite, ilmenite, zircon, xenotime, rutile and ...

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, ... In addition, tin tailing processing plants in Malaysia were primarily built to be small-scale industrial plants, mentioned explicitly in the AELB exemption ...

In one of his interviews, Mahathir mentioned something about Malaysia's previous mishap with something called tin tailings, locally known as amang.Amang is a waste ore from tin mining activities, and Malaysia seemed to process it once to get a material used to make color televisions. The material is probably some kind of rare earth metal, the process of extracting …

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 valuable heavy minerals of Technologically Enhanced Naturally Occurring Radioactive Material (TENORM) were extracted (Alnour et al., 2017; Omar et al ...

The usefulness of peripheral human lymphocytes as a bioindicator for ionizing radiation effect was tested in a survey of Malaysian workers in two industries producing technologically enhanced naturally occurring radioactive material (TENORM). Workers in amang processing plants who have been with the …

Two amang processing plants, one each from the states of Selangor and Perak, Malaysia were chosen for this study. Both plants employ the recycle close water natural management system, …