Essays about: "secondary raw materials"

Showing result 1 - 5 of 25 essays containing the words secondary raw materials.

  1. 1. In-Situ Gold Resource Estimation Using Satellite Remote Sensing and Machine Learning in Defunct Tailing Storage Facilities (South Africa)

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Shenelle Agard; [2023]
    Keywords : tailings storage facility; critical raw materials; machine learning; mine valorisation;

    Abstract : The mining industry generates billions of tonnes of waste annually, which is often stored in tailings storage facilities (TSF). This waste is generated from the extraction of ore from surface or underground mines, as well as from metallurgical processing and low-grade stockpiles. READ MORE

  3. 2. Entrepreneurship Challenges: Overpricing and Technological Roadblocks : An Analysis of Pakistan's Clothing Industry

    University essay from Högskolan i Halmstad

    Author : Jincy Kaleekal; Syed Shah Hassan; [2023]
    Keywords : Entrepreneurship; Challenges; Overpricing; Technological Roadblocks; Clothing Industries in Pakistan;

    Abstract : Background and Problem Pakistan's clothing industry plays an important role in the country's economy; more than 60% of total exports and job possibilities are provided by the clothing industry in Pakistan. Small and medium-sized industries (SMEs) have increased in recent years, contributing to the industry's overall development (SMEs) throughout the last decade. READ MORE

  4. 3. Critical elements scavenged by secondary gypsum and HFO : Determined by sequential extraction combined with mineralogical studies

    University essay from Luleå tekniska universitet/Geovetenskap och miljöteknik

    Author : Emma Flodin; [2022]
    Keywords : Geochemistry; gypsum; HFO; adsorption; scavenged; critical elements; beryllium; Yxsjöberg; mine waste; Sequential extraction; XRD; SEM-EDS;

    Abstract : The demand for metals is great for the purpose of developing green technologies, and EU has listed 30 metals and minerals that are of critical importance for the maintenance and evolving of today’s society, so called critical materials. However, mining of raw materials generates mine waste which can have adverse effect on human health, ecosystems, and surrounding areas. READ MORE

  5. 4. Towards sustainable shipping: Recommendations for the telescopic mast design of a sailing cargo vessel

    University essay from KTH/Lättkonstruktioner

    Author : Lukas Blau; [2021]
    Keywords : Oceanbird; telescopic mast; conceptual design; sailing cargo vessel;

    Abstract : A comparative study is carried out to investigate the most promising route towardsthe lightweight construction of a retractable mast for a sailing cargo vessel.Four design families are developed and compared. The primary criteria forjudgment are the structural mass, strength, and stiffness in relation to a providedbenchmark design. READ MORE

  6. 5. Sustainability of Construction and Demolition Waste : A Closed-loop Supply Chain for Flat Glass

    University essay from Linnéuniversitetet/Institutionen för ekonomistyrning och logistik (ELO)

    Author : Thor Lobekk Dahl; Yichang Lu; Sidney Carina Thill; [2021]
    Keywords : Closed-loop Supply Chain; Circular Economy; Flat Glass; Construction and Demolition Waste; Secondary Material; Costs;

    Abstract : Purpose: This thesis’ purpose is to identify a CLSC model of flat glass, including actors,waste sources, and what can be done with recycled flat glass. In addition, this researchaims to propose a cost structure of a flat glass CLSC. READ MORE