The aim of this paper is to illuminate the impacts of cement production emissions on the environment. Various research work has shown that countries in sub-Saharan Africa, suffer the most from environmental pollution especially air pollution. One of such contributing factors is the behavioural pattern of workers and traders living close …
The environmental effects of the CUTB were also assessed, and a novel filling process was presented. ... Radionuclides or heavy metals are immobilized in an alkaline environment created by inorganic cement through precipitation, adsorption, ion exchange, ... which may contaminate the underground mining environment if it …
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 ...
The objective of this research is to identify the environmental impacts of cement industry, propose solutions, and improve the sustainability of the cement industry. The main environmental issues ...
This study examines the consequences of cement production on the environment and possible solutions to global warming. A rise in cement production has …
PDF | On May 10, 2014, Sanket SURESH Petkar published Environmental Impact Of Construction Materials And Practices | Find, read and cite all the research you need on ResearchGate
The environmental impact of cement and concrete production is low per unit volume of material, but the amounts used make the impact of the concrete sector highly …
The information on Hg concentration, material flow and Hg input/output during the clinker production process is shown in Table 1.Among the different raw materials and fuels, carbide slag had the highest Hg content (mean ± standard deviation, SD, = 2.61 ± 0.56 mg/kg; Table 1, Fig. 1).Limestone, on the contrary, was the main reactant material …
projects is detailed in the 'Environmental Impact Assessment Procedural Guidelines Series 1' of November 2003. As per Schedule I of the Guidelines, both cement plants as well as mining projects have significant environmental impacts, and, therefore, require a full EIA/ EA study.
The cement production of China is the main driving force of the increasing of global cement production [16], [17], the cement production of China increases by more than 5 times (from 400 million to 2.45 billion), and it is a period of extraordinary change on the technology and equipment of cement industry [6], [18].Why China's cement …
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
Bhanu Prakash Bhatnagar takes a closer view of mining practices around the world and reviews the New Mineral Policy 2019.. Come up with better regulations and legislation: As observed by the Honourable Supreme Court in its judgement on mining in 2017, the present mining legislation that we have today is far from being effective or …
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
1. Introduction. Portland cement is one of the world's most important human-made products. In 2020, it was estimated that about 4.1 Gigatons (Gt) of this material were manufactured [1] which brings a serious concern related to the environmental impact caused by the Portland cement production chain. This sector is the third-largest …
Chromium has long been recognized as a toxic, mutagenic and carcinogenic metal. It is toxic to microorganism, plants, animals and humans. Chromium exists in environment in two stable forms: Cr(VI) and Cr(III). Cr(III) is less toxic and insoluble, while Cr(VI) is extremely toxic and highly soluble. Chromium is used in many industrial …
Concrete is constructed using cement mixed with an aggregate-- a grainy blend of materials such as stone and sand. After mixing, the concrete is poured into a mold and left to harden then use in building. ... are countless companies and organizations who have designed specific solutions to improve the concrete industry's environmental …
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 …
" Bamburi Cement Voluntarily Suspends Some Activities to Address Coal Dust Incident" 9 January 2024. In a press release sent to Kenyans.co.ke on Wednesday, January 10, the company refuted reports that it was temporarily shut down for sparking health concerns in Mombasa. Reports had alleged that the company was accused of allegedly …
1. Introduction. Concrete is the most popular building and construction material in the construction sector and related areas. However, every ton of ordinary Portland cement (OPC) produced emits 0.6 to 1.4 amount of carbon di-oxide (CO 2) depending on the specific country and production process (Hanifa et al., 2023; Ren et …
The generation of tailings in the world today is immense, since only ounces or pounds of metals are extracted for each ton of ore processed. In 2022, it was estimated that more than 14 billion metric tons of mining tailings were produced per year in the world. Currently, many environmental problems associated with tailings management in both …
Decarbonising cement and concrete production is a complex but crucial endeavour in the fight against climate change. By implementing a combination of …
The major environmental impacts related with cement include energy required for manufacturing, direct and indirect greenhouse gases emission during …
This paper focuses on the effects of limestone mining on deforestation and land degradation in Usongwe Division, Mbeya Region. The study involved 120 people from three villages (Songwe, Majimoto ...
Limestone mining causes widespread disturbance in the environment. Myriad impacts are observed as changes in land use pattern, habitat loss, higher noise …
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 confronts significant challenges in raw materials, energy demands, and CO2 emissions reduction, which are global and local environmental concerns. Life cycle assessment (LCA) has been used in many studies to assess the environmental impact of cement production and investigate ways to improve …
The cement industry pumps 2.6 billion metric tons of carbon dioxide into the atmosphere every year. Cleaning that up will require addressing the two distinct sources of cement's greenhouse-gas ...
Keywords: Mining, Environmental effect, Island of Palawan, Compliance with Government regulations 1. INTRODUCTION In achieving economic development, many countries resort to various activities to exploit natural resources. One such activity is Mining. Consequently, Mining is an important economic activity that can contribute to the development ...
Land conversion from agricultural to cement factory and mining areas has consequences for environmental change and degradation that cause disasters and sustainability farmer livelihood. This study aimed to analyze land conversion to a cement factory and mining as determinants of environmental change, environmental change …
The negative health effects of cement plant exposure are well-known in industrial settings, but they are less well-known among the general public who live near plants. The broad objective of the review was to provide a detailed systematic analysis of the global situation of the cement industry, including generation, pollution, impact on …
