鉱物資源は産業の発展や脱炭素社会の実現において重要な役割を果たすが、その一方でライフサイクル影響評価において鉱物資源使用はもっとも議論の余地のある影響領域の一つとされており、様々な課題を抱えている。そこで本稿では、鉱物資源使用のインパクト評価に関する近年の研究動向や今後の課題について解説することを目的とする。まずインパクト評価における基礎として、鉱物資源使用に関わる問題や影響メカニズムについて整理した。次に、既存の評価手法・モデルを 6 カテゴリーに分類した上で、それらの特徴や課題について解説した。最後に、主に鉱物資源使用のインパクト評価手法開発に関する今後の課題についてまとめた。

Due to the nature of the geological and mining activities, different input parameters in the grade estimation and mineral resource evaluation are always tainted with uncertainties. It is possible to investigate the uncertainties related to the measurements and parameters of the variogram model using the fuzzy kriging method instead of the kriging method. The fuzzy kriging theory has already bee...

of K/DOQI targets of mineral metabolism in Canada. Nephrol Dial Transplant 2011; 26: 156–163 6. Block GA, Zaun D, Smits G et al. Cinacalcet hydrochloride treatment significantly improves all-cause and cardiovascular survival in a large cohort of hemodialysis patients. Kidney Int 2010; 78: 578–589 7. Vervloet M, Bencova V, Malberti F et al. “Real-world” use of cinacalcet for managing SHPT in dif...

this paper dealswith thermo-mineral groundwater of themondragone plain (campania, southernitaly) and the possibility to use this low enthalpy geothermal resource. in the nw sector of this plain, at thebottom of mt. pizzuto, near the sea, there are thermo-mineral waters (50 °c) of sodium-chloride type,sulfureous and rich in co2 whose recharge is from the mt. pizzuto groundwater body. in the se s...

The exploration industry of Ukraine is experiencing a protracted crisis. It confirmed by the curtailment funding for development country mineral resources 60% last year which causes closure companies. range problems traditionally solved geography significantly reduced. These reasons encouraged us to consider main methodological approaches study potential specific regions. studied such as natura...

This paper reviews the applications of time of flight secondary ion mass spectrometry (TOF-SIMS) used for surface chemical analysis of mineral in the context of froth flotation. A wide range of applications are reviewed, including; interactions of reagents on the surface of mineral phases during flotation separation, determining the effects of various transferred ions from different minerals or...