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SORPTION AND DISPERSION OF STRONTIUM RADIONUCLIDE IN THE BENTONITE-QUARTZ-CLAY AS BACKFILL MATERIAL CANDIDATE ON RADIOACTIVE WASTE REPOSITORY

The experiment of sorption and dispersion characteristics of strontium in the mixture of bentonite-quartz, clayquartz, bentonite-clay-quartz as candidate of raw material for backfill material in the…
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Synthesis of Zirconium Oxychloride and Zirconia Low TENORM by Zircon Sand from Landak West Kalimantan

In order to enhance the added value of zircon minerals (ZrSiO4) derived from tailing gold mining in Mandor, Landak, West Kalimantan; the hydrometallurgical process is needed to obtain zirconium…
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The processing and validation of zircon sand concentrate process into zircon opacifier

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Kinetics of Yttrium Dissolution from Alkaline Fusion on Zircon Tailings

We studied yttrium extraction from untreated zircon sand processing waste tailings. Xenotime mineral as the rare earth element source with an abundance of yttrium (REY) was detected in sufficient…
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Processing and Refining of Tin Tailing Mining

Exploration and production of tin massively has an impact in the quantity of tailing production. The tailing contains various strategic metal-carrying minerals, namely monazite, xenotime, zircon and…
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PRELIMINARY STUDY OF THE UTILIZATION OF THE FLY ASH FROM COAL-FIRED POWER PLANT FOR IMMOBILIZATION OF RADIOACTIVE WASTE

  • H. Poernomo
  • Materials Science, Engineering
  • 20 December 2011
Preliminary study of the utilization of the fly ash from coal-fired power plant for immobilizing simulated radioactive waste has been done. The objective of this research was to study characteristics…
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Design of a Prototype Photoreactor UV-LEDs for Radiation Vulcanization of Natural Rubber Latex

The land area and production of rubber on smallholder rubber plantations contribute to about 85% and 81% of national rubber production, respectively. Based on this, having technology to utilize…
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Separation of Ce, La and Nd in rare earth hydroxide (REOH) by oxidation with potassium permanganate and precipitation

The present work describes the development of an efficient and relatively simple process to obtain high grade Ce(OH)4 from REOH (Rare earth hydroxide). The Rare earth hydroxide was obtained through…
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STABILIZATION OF DRY SLUDGE OF LIQUID WASTE OF LEATHER TREATMENT BY USING FLY ASH

The experiment of solidification of dry sludge of liquid waste of leather treatment are containing chrome (Cr) by using fly ash has been done. The experiment objective are immobilize Cr in the solid…
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DISPERSION AND SORPTION CHARACTERISTICS OF URANIUM IN THE ZEOLITE-QUARTZ MIXTURE AS BACKFILL MATERIAL IN THE RADIOACTIVE WASTE REPOSITORY

The experiment of sorption and dispersion characteristics of uranium in the zeolite-quartz mixture as candidate of raw material of backfill material in the radioactive waste repository has been…
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