Investigating of Barite Shielding Boards for Radiation Protection

Chen, Tzong-Jer

doi:10.12783/dteees/gmee2017/16620

Cited by 2 publications

(2 citation statements)

References 9 publications

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“…The separation of components uses gravity as the primary criterion. The costeffectiveness and, in some situations, sound reduction are the most noticeable advantages of gravitational approaches [17,6]. The concentration criterion is used to determine the appropriateness of ore to gravity concentration before concentration, as demonstrated mathematically in equation 1 [19].…”

Section: Gravity Concentration Methodsmentioning

confidence: 99%

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Investigating the Production of Ultrafine Engineering Material from Low-Grade Gariti Barite Ore Using Gravity Concentration Methods

O. Alabi,

E. Gbadamosi

2024

J. Mater. Eng.

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The objective of this research is to upgrade the low-grade Gariti barite ore to produce an ultrafine engineering material that can be used for industrial application by the assessing gravity concentration method. The research focuses on chemical characterization, fractional sieve size analysis, scrubbing technique, wilfley shaking table technique, and air float technique. The sample was subjected to an energy-dispersive X-ray fluorescence spectrometer and fractional sieve analysis of the crude sample was carried out at a sieve range of 1400-63 µm towards the production of ultrafine mineral-based material for liberation size determination. Ten (10) kg, each of the actual liberation size were used for the scrubbing technique, wilfley shaking table technique, and air float technique respectively. The chemical analysis indicates the presence of major elements 79.20 % BaSO4, 14.4% SO3, 64.80% BaO, 3.80% Fe2O3, 5.15% SiO2, 1.40% TiO2, and other minor elements that confirms that the soured mineral is barite while the particle size analysis showed that -250+ 180 µm sieve size fraction assaying 89.11% BaSO4 is the ore’s actual liberation size. The chemical analysis of the low-grade Gariti Barite ore after undergoing a concentration test at the economic liberation size revealed the values of concentrates from the scrubbing technique to be 86.60% BaSO4, Wilfley shaking table technique to be 86.10% BaSO4, and air float technique to be 88.30% BaSO4 and from this results, it shows that air float technique had the highest assaying value. Finally, the low-grade Gariti barite ore has been upgraded from 79.20% BaSO4 to ultrafine mineral-based engineering material of 86.60%, 48.6% 86.10%, and 88.30% BaSO4 via gravity concentration method.

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Section: Gravity Concentration Methodsmentioning

confidence: 99%

“…Barite is used as a pigment in paints and as a weighted filler for paper, fabric, and rubber in the creation of "anti-sail" mudflaps for trucks [17]. The majority of barium compounds, such as barium sulfide, barium chloride, barium nitrate, barium carbonate, and others, are derived from bauxite.…”

Section: Introductionmentioning

confidence: 99%

Investigating the Production of Ultrafine Engineering Material from Low-Grade Gariti Barite Ore Using Gravity Concentration Methods

O. Alabi,

E. Gbadamosi

2024

J. Mater. Eng.

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The Radiation properties of Barite-xylem shielding board

Chen

2020

IOP Conf. Ser.: Earth Environ. Sci.

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Radiation is used in a variety of medical and scientific fields but poses potential danger to the human body. Hospital medical x-ray technicians traditionally use lead shielding materials to absorb radiation. However, lead has environmental disadvantages, with high toxicity to humans. Barite, a heavy-weight material, is added into concrete and bonded with xylem fiber, forming a shielding board as a replacement for lead. The xylem fiber barite shielding board (XFBSB) development and shielding properties are investigated in this report. XFBSB is designed for diagnostic medical x-ray shielding. It may be applied as shielding in walls and ceilings, doors and movable wall partitions. The physical properties of XFBSB are 14 mm in thickness with density ⩾ 2.0 g/cm3. This board was irradiated using a standard x-ray tube (Type MXR 320/Comet Y. TU 320 G03, TÜV NORD Sys Tec GmbH & Co. KG, German) with 70 kV, 100 kV and 150 kV Voltages respectively. The current of this standard x-ray tube is 22.5 mA, respectively. From the measured ambient dose equivalent H*(10), the attenuation factor F=H*(10) with board/H*(10) without board was calculated. For comparison, lead boards of 1, 2, 3, 4 and 6 mm thicknesses were irradiated under equal conditions with the attenuation factors F fitted for the different lead board thicknesses. The boards are proven to ⩾ 1mm lead equivalent in all irradiation energies. The XFBSB can substitute for lead shielding for photon energies around diagnostic medical areas. This board provides adequate shielding, is non-toxic, fire proof, easily installed and low cost.

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Investigating of Barite Shielding Boards for Radiation Protection

Cited by 2 publications

References 9 publications

Investigating the Production of Ultrafine Engineering Material from Low-Grade Gariti Barite Ore Using Gravity Concentration Methods

Investigating the Production of Ultrafine Engineering Material from Low-Grade Gariti Barite Ore Using Gravity Concentration Methods

The Radiation properties of Barite-xylem shielding board

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