2021年1月21日 The environmental impacts of gypsum recycling have also been investigated. Pantini et al. investigated strategies for the
feldspar, any of a group of aluminosilicate minerals that contain calcium, sodium, or potassium. Feldspars make up more than half of Earth’s crust, and professional literature
2021年6月17日 Indicators of the environmental impact of the produced building gypsum from the raw material of natural origin and building gypsum made of FGD gypsum.
2018年9月1日 Excessive feldspar mining is becoming an alarming issue due to the untreated mine spoil. For the success in the remediation of mine spoil, selection of
2019年5月13日 This study includes natural hazards and environmental problems caused by gypsum on and near the soil, water, and structures. These are karst-specific
2011年7月1日 Collapse in gypsum terrains is a serious geological hazard and can damage engineering structures, settlement areas, natural lakes, and allow infiltration of
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Impacts to Labor Productivity in Steel Framing and the Installation and Finishing of Gypsum Wallboard 68 and . Estimating Lost Labor Productivity in Construction
2022年6月30日 Understanding these different impacts of SRHA and colloidal particles on gypsum crystallization is important since the morphology, crystalline features, and the mass (related to crystallization rate) of gypsum precipitates specifically contribute to scaling and performance deterioration of desalination membranes and other engineered systems
2022年8月11日 Purpose Soil pollution is a major problem worldwide. Some anthropogenic activities, such as mining, may exceed soil capacity, causing relevant health and ecosystem hazards. The use of mineral amendments can help reduce soil pollution. Gypsum mining spoil (GS) is a waste material highly produced in gypsum mining industry, which has
2021年1月21日 Gypsum is widely used in the construction sector, and its worldwide consumption has been increasing for several decades. Depending on the lifetime of the used gypsum products, an increase of
2022年3月1日 Abstract. Mineral scaling by sparingly soluble gypsum (CaSO 4 ∙2H 2O) is a persistent challenge to membrane distillation (MD). The underlying relationship between the thermodynamic state of the precipitating solution and the point of flux decline due to rapid mineral growth remains unclear. In this work, a series of experiments along with a ...
2021年6月17日 Gypsum is one of the primary mineral binders, ... impacts the environment and is a barrier to plant production (41). This aspect is especially important in the case of Poland, because .
2022年9月27日 Soil organic carbon (SOC), a core soil quality indicator, is influenced by management practices. The objective of our 2012–2016 study was to elucidate the impact of gypsum, crop rotation, and cover crop on
2016年3月21日 In the recent past, Kenya has witnessed increased activity in the extractive industry targeting minerals such as titanium, gypsum and gold to name a few. Mining activities are a potentially important contributor to water contamination. Discussions in the literature on impacts of gypsum mining on water quality are not conclusive because
impacts gypsum crusherfeldspar - FUTEZZS An impact crusher is a piece of heavy construction equipment people can use to reduce the size of things like rock, waste concrete, and similar materials. Read more + More details.
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2022年8月11日 Purpose Soil pollution is a major problem worldwide. Some anthropogenic activities, such as mining, may exceed soil capacity, causing relevant health and ecosystem hazards. The use of mineral amendments can help reduce soil pollution. Gypsum mining spoil (GS) is a waste material highly produced in gypsum mining industry, which has
2022年6月30日 Gypsum scaling via crystallization is a major obstacle limiting the applications of membrane-based technologies and heat exchangers in engineered systems. Herein, we perform the first comparative investigation on the impacts of natural organic matter (Suwannee River humic acid, SRHA) and colloidal particles on the gypsum
2018年7月30日 According to the FDEP, the radium activity at the gypsum stack under normal condition is 79 pCi/L (2.93 Bq/L) 20; thus, the radioactive transport of radium was modeled using this value with and ...
2021年6月17日 Gypsum is one of the primary mineral binders, ... impacts the environment and is a barrier to plant production (41). This aspect is especially important in the case of Poland, because .
2022年9月27日 Soil organic carbon (SOC), a core soil quality indicator, is influenced by management practices. The objective of our 2012–2016 study was to elucidate the impact of gypsum, crop rotation, and cover crop on
main effects of gypsum, crop rotation, and cover crop on SOC pools, total N, and SOC lability within and across the sites. Gypsum at 2.2 Mg/ha increased SMBC within sites and by 41% averaged across sites. Likewise, gypsum increased SMBC:SOC, active C, and hot-water C (as indicators of labile SOC) averaged across sites. CS rotation increased
2001年8月11日 The impacts of quarrying of the gypsum deposits on the environment at Maqna, Tabuk, were evaluated by intensive field studies including in situ testing, mapping and sampling of gypsum and well water. Field and laboratory tests were made to determine the engineering properties including tensile and compressive strengths, unit weight,
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