


Integrated assessment of economic benefits and environmental impact …
In contrast to environmental impact assessment, little attention has been paid to the economic benefits analysis of waste glass recycling. ... Silica sand: 496: kg: SO 2: 1.8: kg: Lime: 43: kg: Waste gas: 3933: Nm 3: Soda ash: 163: kg: Dolomite: 120: kg: Sodium sulfide: 8: kg: ... ecotoxicity, and environmental impact in the process of crushing ...
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The physical and environmental impacts of sand mining
The aim of the study was to assess the consequences of sand mining activities on soil erosion, vegetation clearance and landslide levels in the O.R. Tambo district.
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Impact of silica mining on environment
Water is most important element in processing and refining silica sand and, therefore, to study the nature and amount of water use/reuse, and volume of vehicular movement involved in …
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ENVIRONMENTAL IMPACTS OF MANUFACTURING …
MG-Si production requires silica sand extracted from high-quality quartz (>98% purity). ... careful assessment of the environmental impact and must be implemented in collaboration with the ...
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A Comparison of Environmental Impact of Various Silicas …
To answer questions surrounding the sustainability of silica production, MilliporeSigma's DOZN 2.0 Green Chemistry Evaluator was employed as it provides quantitative values based on the 12 principles of Green Chemistry. As a first study using DOZN 2.0 to evaluate the greenness of nanomaterials, a range of silica types were considered and their greenness …
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Draft terms of reference for an environmental impact …
1.3 The proposed project is a greenfield silica sand mining, processing and export project, located approximately 42 kilometres (km) northeast of Hope Vale and is within the Hope Vale Aboriginal ... declaration initiates the statutory environmental impact assessment procedure of Part 4 of the
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Environmental Assessment
Environmental Assessment registry documents and Environmental Impact Assessment and associated applications pertaining to the proposed Alberta Silica Corporation (ASC) Peace River Silica Sand Operations Project. ... the sand pits and the processing plant required under Mineral Surface Lease No. MSL 941817. The lease area comprises approximately ...
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A Life Cycle Assessment of Silica Sand: Comparing the Benefi
Downloadable! Silica sand or quartz sand is a mineral resource with a wide variety of application; glass industry, construction and foundry are the most common examples thereof. The Republic of Croatia has reserves of 40 million tons of silica sand and a long tradition of surface mining and processing. The average annual production of raw silica sand in Croatia in the period from …
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Synthetic amorphous silica: environmental …
Life Cycle Assessment (LCA) offers a systems approach to quantifying the environmental impacts of manufacturing processes. The principle of LCA is to model the overall impact of a process as the cumulation of impacts arising …
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A Life Cycle Assessment of Silica Sand: Comparing …
The aim of this research is to identify and quantify the environmental impacts of the silica sand production, to learn the range of the impacts for different processing methods, as well as to identify the major …
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Country-specific carbon footprint and cumulative energy …
The environmental impact of quartz mining and silica sand extraction for PV has not been updated in over 15 years. It's not representative of current methods used for low-quality sand and is not country-specific. As a result, PV production's environmental impact might be underestimated.
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Environmental Impacts of Industrial Silica Sand (Frac …
Environmental Impacts of Industrial Silica Sand (Frac Sand) Mining By Isaac Orr and Mark Krumenacher* Introduction Sand has been mined for industrial processes across the United States for more than a century. Referred to as silica sand or industrial sand, it is used for a variety of essential industrial
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Is Silica Bad for the Environment?
Silica dioxide or most commonly known as silica. Is commonly found in nature in most parts of the world. It is solid at a normal temperature. The silica usually resides in soil, but sometimes it also can be found on plants or even inside humans' bodies. The human body contains around 2-5 g of silica while some adults may have more than that but have the same …
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Galalar Silica Sand Project proposed by Diatreme …
1994 for resource projects undergoing assessment by environmental impact statement under chapter 3, part 1, of the EP Act. Galalar Silica Sand Project proposed by Diatreme Resources ... The GSSP will be an open cut mining operation designed to extract and process silica sand into a product suitable for manufacturing high quality glass products ...
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Environmental impact assessment of alkali-activated …
The production technology of AAMs is based on the activation of aluminosilicate precursors with a liquid solution of soluble alkali source [9].The most widely used precursors are ground granulated blast furnace slag (GBFS), which is a by-product of steel industry, fly ash (FA) from the combustion of coal in electric power generating plants, as well as calcined clay or …
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A Life Cycle Assessment of Silica Sand: Comparing the Beneficiation Processes
Environmental Impacts of Industrial Silica Sand (Frac …
See more on aglaw.psu.eduA Life Cycle Assessment of Silica Sand: Comparing the …
The aim of the research presented herein was to identify and quantify the environmental impacts of the silica sand production, to learn the range of the impacts for different processing methods, …
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Frontiers | Global warming potential-based life cycle assessment …
First, an environmental impact of the fly ash-silica fume was conducted by evaluating the life cycle impact assessment (LCIA) of all the collected mix points. It was found that the addition of fly ash and silica sand (fume) has a lowering effect on the impact indicators analyzed because the main contributor in the environmental profile of the ...
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Life cycle assessment of processing alternate sands for …
The present study aims to assess the environmental impact of processing two geomaterials namely M-Sand and OBS to find the most sustainable option. To determine those critical sub processes contributing the most impact and find some alteration idea to reduce the same. ... Based on the comparative life cycle environmental assessment of M-Sand ...
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[PDF] A Life Cycle Assessment of Silica Sand: Comparing the
Silica sand or quartz sand is a mineral resource with a wide variety of application; glass industry, construction and foundry are the most common examples thereof. The Republic of Croatia has reserves of 40 million tons of silica sand and a long tradition of surface mining and processing. The average annual production of raw silica sand in Croatia in the period from 2006 to 2011 …
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Alberta Court of Appeal Finds the 'Big Molly' Project Triggered a Full
The key issue in Alexis was whether the proposed silica-sand extraction project met the definition of a "quarry" under Alberta's Environmental Protection and Enhancement Act [1] ("EPEA"), and therefore was a "mandatory activity" under the Environmental Assessment (Mandatory and Exempted Activities) Regulation (the "Regulation"). [2] ...
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Life Cycle Assessment and Process Optimization of …
To mitigate environmental emissions in the industrial nanosilica sector and promote its sustainable development, the life cycle assessment (LCA) method is employed to evaluate the environmental impacts throughout the life cycle of industrial precipitated nanosilica. This LCA spans from the acquisition and transportation of raw materials to the production of …
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Comparison of Hanson Lake Silica Sand Project to the …
Environmental Impact Statement Silica Sand Project Strong Pine Energy Services Hanson Lake, Saskatchewan, File S1888.1, 29 October 2019, Clifton Associates Ltd. ). ... Impact Assessment Agency of Canada,Canadian Impact Assessment Registry,Vivian Sand Processing Facility Project and Vivian Sand Extraction Project, Reference 49, CanWhite Well ...
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A Comparison of Environmental Impact of Various Silicas …
As a first study using DOZN 2.0 to evaluate the greenness of nanomaterials, a range of silica types were considered and their greenness scores compared. These included low- and high …
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Life cycle assessment of zircon sand | The International
Purpose To support the needs of downstream users of zircon sand and other industry stakeholders, the Zircon Industry Association (ZIA) conducted an industry-wide life cycle assessment (LCA) with the aim to quantify the potential environmental impacts of zircon sand production, from mining to the separation of zircon sand (zirconium silicate or ZrSiO4). This …
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Life cycle assessment of processing alternate sands for …
Based on the comparative life cycle environmental assessment of M-Sand versus OBS production processes, the following conclusion may be drawn: ... crystalline silica of 51.6 %, 6.1 mg/g silt-clay with a median particle size of 4.3 mm, and it becomes suitable for the partial replacement of natural fine and coarse aggregates after removing 4.2 mg ...
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Synthetic amorphous silica: environmental impacts of …
environment in which silica is formed. Dry processing of silica is achieved by the process of flame pyrolysis in which a silane, such as silicon tetrachloride (SiCl 4), is hydrolysed at high temperature (i.e. >1000 K).1 Alternately, wet processing relies on the use of an aqueous catalyst to hydrolyse silica precursors such as sodium silicate (Na
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Galalar Silica sand project (withdrawn)
Yes (controlled action EPBC 2020/8626), single EIS assessment process for Queensland and the Commonwealth. Environmental impact statement (EIS) The terms of reference for the Galalar Silica sand project was finalised on 23 November 2020.
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Country-specific carbon footprint and cumulative energy …
Environmental impact assessments2.2.1. Life-cycle assessment (LCA) The objective of the LCA was to evaluate the carbon footprint and CED of 1 kg of >99% purity MG-Si for Si-PV. ... The process for silica sand extraction from high-quality (>98%), industrial-grade (95%), and low-quality (65%) quartz deposits was based on existing industrial ...
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A Life Cycle Assessment of Silica Sand: Comparing the …
silica sand and environmental impact assessment" [1]. The objective of the analysis refers to general research of environmental impacts in production of silica sand used in glass container ...
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Impact of silica mining on environment
Pandey and Geenj.Some silica sand mines in the region process the sand on-site however processing is done mainly off-site. Processing begins by washing the sand to remove fine particles (Figure 2). Washing is done by spraying the sand with water as it is carried over a vibrating screen. The fine particles are
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