نتایج جستجو برای: mineral industry

تعداد نتایج: 257253  

Journal: :Journal of animal science 2015
D L Meeker J L Meisinger

The rendering industry collects and safely processes approximately 25 million t of animal byproducts each year in the United States. Rendering plants process a variety of raw materials from food animal production, principally offal from slaughterhouses, but include whole animals that die on farms or in transit and other materials such as bone, feathers, and blood. By recycling these byproducts ...

2011
Emily K. Smith Joseph A. Cazier Jeremy B. Fox

Ethics has been an increasingly important topic in business and many issues stem from this broad subject. Especially when companies cross borders to conduct business, the lines for what is ethical begin to blur when costs and profits are concerned. Thus, many issues emerge when looking at environmental and social responsibility, such as environmental friendliness, local manufacturing, and child...

2016
Cejna Anna Quist-Jensen Francesca Macedonio Enrico Drioli

The mining industry is facing problems of clean production in terms of mineral processing, pollution, water consumption, and renewable energy. An interesting outlook can be to combine the mining industry with membrane-based desalination in the logic of mining from the sea. In fact, several of the drawbacks found in both mining and desalination can be minimized or overcome, which includes hinder...

Journal: :Mineral economics 2022

Abstract Mineral exploration is an industry of uncertainties. Only 0,1% projects become mines, as the volume, content, and quality a deposit all must be economically justifiable to find funding in global financial market. However, business risk mineral not limited geotechnical risks, social aspects are now considered biggest facing industry. Here, we identify three that may challenge industry: ...

2007
I. Kapageridis

The mining industry worldwide has recognized in the past the need to apply specific rules and guidelines in the reporting of mineral resources and reserves. The high financial investment and risk associated with any mining project and the ever stricter environmental and social controls were the forces behind this recognition. For years the industry experienced the development and enforcement of...

2015
D. L. Meeker

The rendering industry collects and safely processes approximately 25 million t of animal byproducts each year in the United States. Rendering plants process a variety of raw materials from food animal production, principally offal from slaughterhouses, but include whole animals that die on farms or in transit and other materials such as bone, feathers, and blood. By recycling these byproducts ...

Journal: :FEMS microbiology letters 2016
Irene Sánchez-Andrea Alfons J M Stams Jan Weijma Paula Gonzalez Contreras Henk Dijkman Rene A Rozendal D Barrie Johnson

The metal mining industry faces many large challenges in future years, among which is the increasing need to process low-grade ores as accessible higher grade ores become depleted. This is against a backdrop of increasing global demands for base and precious metals, and rare earth elements. Typically about 99% of solid material hauled to, and ground at, the land surface currently ends up as was...

2007
David Prentice Jean-Laurent Rosenthal

whose suggestions got this paper off the ground and gave it direction. The paper has also benefitted from comments from The contributions of innovations, factor endowments and institutions to American industrialisation are examined through analysing the rise of the American portland cement industry. Minerals abundance contributed in multiple ways to the spectacular rise during the 1890s. Howeve...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید