This paper reviews the impact of cement industry towards the global environment and solutions to the problem. The increasing harvesting of raw materials …
The environmental impacts of mining is therefore likely to increase. Environmental impacts from mining. The environmental impacts from mining include: Destruction of natural habitat; Oil, fuel and chemicals spills contaminating surrounding soil, rivers and groundwater resources. Air pollution from mining processing operations
Demand for sand mining for construction materials has tripled in the past two decades, reaching 50 billion tonnes a year. Urgent action is needed to avoid a "sand crisis", says the United Nations Environment Programme. A new World Economic Forum report identifies five priority actions for the cement and concrete sector to reduce its …
Sierra Leone is blessed with abundant natural resources but yet prone to environmental degradation due to the mining operations. Most often, the mining communities are faced with social tensions, as a result of the …
As one of the largest energy consumers and CO 2 emitters, the cement industry is a key driver of climate change 1,2.The sector is currently responsible for 5% to 8% of global anthropogenic CO 2 ...
Concrete: its ingredients and impacts. Concrete is a mix of several different materials: water, fine aggregates (or sand), coarse aggregates (or gravel), chemical additives, and, most importantly, cement. Cement is what binds all of these ingredients together to give concrete its durability and distinctive, grey appearance.
This investigation presents a critical analysis of calcium aluminate cements (CAC), specifically associated with sustainability and environmental impact, and the potential of these cements to help solve certain worldwide problems. Areas of research include cements as recycling holding materials, sustainability, circular economy, …
Looking at the merits and associated benefits, some of the top steel-producing countries have adopted or upgraded with a recycling technique of steel slags from time to time for various applications (as shown in Fig. 3), such as for road construction, soil enrichment, cement production, etc. Notably, recycling steel slag for a particular …
Historically, the impacts from aggregate mining have not been considered a high-level threat to aquatic diversity, with few protected areas designated to mitigate mining-related threats. 123 The discrepancy between mounting evidence for the negative effects of aggregate mining on the environment and the lack of conservation efforts …
Achieving low-carbon development of the cement industry in the developing countries is fundamental to global emissions abatement, considering the local …
Proper disposal of industrial waste, the need to conserve nonrenewable resources, and high CO 2 emissions are the major environmental issues at the present time. A significant portion of emissions from portland cement production is related to the energy required to maintain the clinker kiln at a temperature of approximately 1,450°C, …
An essential component of cement is limestone, which is heated at extreme temperatures to create clinker – cement's key binding ingredient. Limestone is extracted from large, open pit mines called quarries. In Europe, it is estimated that there are 400 active limestone quarries. Quarries are temporary, but their environmental impacts are …
The cement manufacturing industry has played a fundamental role in global economic development, but its production is a major facilitator to anthropogenic CO2 release and solid waste …
African cement and mining companies. Environmental Economics, 13(1), 101- ... environmental impacts of companies through extensive environmen- ... companies. his result appears to be in line with
We examined the effect of environmental disclosure on environmental performance for listed mining companies in China. Our analysis used China's Environmental Information Disclosure Degree (EIDD ...
Although mining is a cornerstone of the South African economy (), it generates copious amounts of dust. 1 The dusts may be toxic since they may also be contaminated with various toxic metals.For this reason, the prevalence and severity of occupational diseases in the mining industry depends on the ores mined, the …
The development of new building elements, such as concrete and mortar with sustainable materials, which produce a lower carbon footprint, is an achievable milestone in the short term. The need to …
In the Environmental Impact Assessment (EIA) report of Eaglefield mining expansion project prepared by Noise Mapping Australia in 2010, virtual noise maps were produced by utilizing available mining data and operating conditions. It was recommended that the dump truck route to the out-of-pit dump should be at or close to the natural surface and ...
Cement production includes the mining of raw materials, raw material preparation, clinker production, and cement grinding process. Each process requires a certain amount of electricity consumption (see Table 2).For the international advanced technology, the overall electricity consumption per unit of cement production is about 80 …
Moreover, the environmental impacts of cement production can be divided into three categories: global, regional, and local, as follows: a) CO 2 emissions contribute to global environmental impacts ...
Sublime Systems is developing a new way to produce cement without fossil fuels or carbon dioxide emissions. The company uses electrochemistry to transform …
By continuing to prioritize sustainability, the cement sector can reduce its environmental impact and contribute to a more sustainable and resilient construction industry. REFERENCES [1] Devi, K.S., Lakshmi, V.V. and Alakanandana, A., 2017. Impacts of cement industry on environment-an overview. Asia Pac. J. Res, 1, pp.156-161. [2]
The goal of the environmental impact study is to compare the effect of stabilization with varying cement percent compared to untreated case to relate the …
Impact of cement industries on natural ecosystem. Cement plant exposure can have a negative influence on the health of both employees and the general public. …
He had previously worked with cement companies like ACC-Holcim, Reliance Cement and has overseas mining experience. This article has been reproduced from CEMENT, ENERGY AND ENVIRONMENT, a Bi-Annual journal of Cement Manufacturers Association of India in its July-December 2019 Issue. Part II of the same will be …
This study aims to examine the effect of implementing green accounting on the environmental performance of cement, energy, and mining companies in Indonesia. This study is a quantitative study. The data used are secondary data obtained from sustainability reports of cement, energy, and mining companies listed on the Indonesia …
energy and cement sectors, there are mining companies that also have an impact on the environment. The main environmental impacts of mining activities occur during exploitation and use as energy whose impacts include water or air pollution and deforestation (Manik, 2020). The industrial production process will have an impact on …
Sushil Kumar Tiwari, Director Technical, Heidelberg Cement India, gives us an in-depth understanding of the limestone mining process and takes us through the innovations in technology, efforts taken to minimise environmental impact and enhance productivity in an exclusive interview. Tell us about the mining and clinker production … Details
Chromium is a natural component of the Earth's crust (Sneddon, 2012; Srivastav et al., 2018).The Earth's crust has Cr concentration >200 mg kg −1 in ultramafic (ultrabasic) rocks and ophiolite serpentinites complexes (Oze et al., 2007), which constitute an approximately 1% of the landscape of the terrestrial ecosystem, mainly within the …
The cement industry is facing numerous challenges in the 21st century due to depleting natural fuel resources, shortage of raw materials, exponentially increasing cement demand and climate linked environmental concerns. Every tonne of ordinary Portland cement (OPC) produced releases an equivalent amount of carbon dioxide to …
Upon increasing the mineral admixture replacement ratio by 10%, the life cycle environmental impact of GGBS was reduced by 0.6 US$ and FA by 1.1 US$. Fig. 13 c shows that, at a mineral admixture replacement ratio of 70%, the life cycle environmental impacts of GGBS and FA were 94.1% and 87.0%, respectively, compared to plain …
(MCL) is engaged in cement manufacturing and limestone mining, having wide experience in the field of cement ... The nearest railway line connecting Kota - Bhawanimandi of western railway is at a distance of 0.9 km ESE. The nearest railway station, Morak is at a distance of 2.4 ... environmental impacts of a cement industry during its
The cement industry is a major contributor to carbon emissions, responsible for 5–8% of global emissions. This industry is expanding, particularly in emerging economies, and it is expected that CO2 emissions will rise by 4% by 2050. To address this critical concern, this paper identifies ten factors that contribute to carbon emissions in …
Although manifold empirical studies have identified the mechanical properties of crumb rubber concrete (CRC), a comparative analysis of economic and environmental benefits between CRC and ordinary Portland cement concrete (OPCC) is not explored. In this paper, a quantitative meta-analysis between CRC and OPCC is conducted to …
To reduce the environmental effects resulting from the cement production processes, solutions were introduced, including filtering methods and recycling techniques. ... impacts of cement and concrete production on the environment is growing significance due to their widespread availability in the global market [20]. A cement factory releases a ...
With countries like China and India, Asian cement industries play a big role in the scale of global production and polluting the environment. Fig 1 summarizes the regional growth of demand in Asia for cement production over the years (ICR, 2018)pared to the other industries, environmental pollution from the cement …