Life Cycle Assessment of Ordinary Portland Cement …
The concern for environmental related impacts of the cement industry is fast growing in recent times. The industry is challenged with high environmental impact which spans through the entire production …
Life Cycle Assessment of Cement Production with Marble Waste Sludges …
The construction industry has a considerable environmental impact in societies, which must be controlled to achieve adequate sustainability levels. In particular, cement production contributes 5–8% of CO2 emissions worldwide, mainly from the utilization of clinker. This study applied Life Cycle Assessment (LCA) methodology to …
Environmental Impact Analysis of Portland Cement (CEM1) Using …
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 …
Environmental Performance Analysis of Cement Production with …
Cement manufacturing is one of the most energy and CO2 intensive industries. With the growth of cement production, CO2 emissions are increasing rapidly too. Carbon capture and storage is the most feasible new technology option to reduce CO2 emissions in the cement industry. More research on environmental impacts is required …
Health Risk and Environmental Assessment of Cement Production …
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 generation. Nigeria has the largest cement industry in West Africa, with an aggregate capacity of 58.9 million metric tonnes (MMT) per year. The Ministry for Mines …
Natural Radioactivity Levels of Selected Cement Brands Used in …
Assessment of natural radioactivity and radiological hazards in building materials used in the Tiruvannamalai District, Tamilnadu, India, using a statistical approach. Journal of Taibah University for Science, 523-533. Larfage. (2020). Manufacturing process ... Radioactivity Levels of Cements and Cement Composites in the Slovak Republic. ...
Parametric Studies of Cement Production Processes
The cement industry is one of the most intensive energy consumers in the industrial sectors. The energy consumption represents 40% to 60% of production cost. Additionally, the cement industry contributes around 5% to 8% of all man-made CO2 emissions. Physiochemical and thermochemical reactions involved in cement kilns are …
on Life Cycle Assessment of Portland Cement Manufacturing …
Cement Manufacturing Process. Types : Hydro process (Wet process) Pyro process (Dry process) Considering life cycle of cement, it undergoes various chemical and physical transformations. Considering product system: Inputs: Raw materials and energy (Electricity and fuel sources) Outputs: Principal product, Emissions to air, solid waste, other ...
Utilization of red mud in cement production: a review
Red mud is a solid waste residue of the digestion of bauxite ores with caustic soda for alumina production. Its disposal remains a worldwide issue in terms of environmental concerns. During the past decades, extensive work has been done by a lot of researchers to develop various economic ways for the utilization of red mud.
A systematic review on the impact of cement industries on
Cement plant exposure can have a negative influence on the health of both employees and the general public. Gaseous matter and particulate matter are unrestrained into the surroundings during cement making and carriage (Raffetti et al. 2019).NOx, SOx, CO 2, CO, H 2 S, volatile organic carbons, dioxin, furans, and particulate matter are …
Sustainability | Free Full-Text | Comparative Analysis of Cement …
Manufacturing cement has a major impact on climate change, resource depletion, and pollution. Selecting sustainable cement alternatives is vital but entails difficult trade-offs between numerous variables. The objective of this study is to determine the most environmentally beneficial method of cement manufacturing by employing an …
Curbing concrete's carbon emissions with innovations in cement
Cement manufacturing has come to be known as a particularly hard-to-decarbonize operation, largely because of CO2 emissions produced by the standard chemical process used by industry. Standing in the way of a solution is the lack of economical and scalable options to provide the high temperatures needed to produce the …
Deep decarbonisation of industry: The cement sector
temperatures required in the cement manufacturing process, but has not yet been tested. As hydrogen's combustion and the heat transfer (by radiation) in the kiln would differ significantly from fuels currently used, extensive research into the modifications to the cement kilns would be needed (11). Cement production using a
11.6 Portland Cement Manufacturing
11.6 Portland Cement Manufacturing 11.6.1 Process Description1-7 Portland cement is a fine powder, gray or white in color, that consists of a mixture of hydraulic cement materials comprising primarily calcium silicates, aluminates and aluminoferrites. More than 30 raw materials are known to be used in the manufacture of …
Assessment of Natural Radioactivity Levels of Cements and …
The radiological parameters in cement samples were calculated as follows: mean radium equivalent activity Raeq = 67.87 Bq·kg −1, gamma index Iγ = 0.256, alpha …
IJERPH | Free Full-Text | Assessment of Natural …
It has been analyzed in this article the radioactivity concentrations of 226Ra, 232Th, 40K and radiological hazard parameters in different types of cements commonly used in Poland and available on …
Assessment of Natural Radioactivity in Cements Used as Building
The radiological parameters in cement samples were calculated as follows: mean radium equivalent activity Raeq = 127 Bq·kg −1, mean absorbed gamma dose rate D = 115 …
Impacts of cement industry air pollutants on the environment
The cement manufacturing process generates major air pollutants like CO x, PM 2.5 and PM 10, SO x, NOx, trace amounts of organic compounds, and heavy metals (Dawoudian et al., 2021; Da Silva Dias et al., 2019). The cement sector alone is the source for 8% of total national anthropogenic greenhouse gas emissions.
A comparative life cycle assessment for sustainable cement …
1. Introduction. Cement production is a complex process that includes the use of a high quantity of raw materials and fuels (petroleum coke, coal, natural gas, fuel oil, biomass or some wastes) and energy (electricity and heat) in addition to auxiliaries, air, and water (Valderrama et al., 2012; Galvez-Martos and berger, 2014), and as a result …
Life cycle assessment of the production of Portland cement: a …
The environmental profile of the cement manufacturing was presented through a cradle-to-gate life cycle assessment approach based on primary data collected in the plant. The functional unit was 1 tonne of ordinary Portland cement and the impact assessment was based on indicators that comply with the ISO 14040.
Cement Production Effects on Human health with Respect to …
Cement Production Effects on Human health with Respect to Cement Lifecycle Assessment Saeed Morsali ... fuel consumption [11]. Cement manufacturing process basically includes a quarry, raw meal ...
Environmental impact of some cement manufacturing plants in
Radioactivity concentrations Radioactivity concentrations in cements and raw materials. The concentrations of 234 Th, 226 Ra, 232 Th, and 40 K isotopes in raw materials and end product cement samples types A, B, D and E are listed in Table 2.The artificial 137 Cs isotope was not detected in any of the cement samples raw materials or …
Evaluation of the Quality of the Cement Production Process in
This article summarizes the arguments surrounding the scientific discussion of the cement production process at a selected company in Slovakia. (1) The main goal of this article is to evaluate the quality of the cement production process with the intention of increasing the performance and quality of the process and the quality of the cement in …
COMMON HAZARDS AND CONTROL MEASURES IN CEMENT PLANT …
Cement Manufacturing Process. 3 main steps –Quarrying and Raw Materials Preparation –Clinker Production. Cement Grinding and Distribution. ... Physical Hazards – Radiation.
Environmental impact of some cement manufacturing plants in
The concentrations of natural and artificial radionuclides in samples of cement (raw materials and end product) and soil, collected from the cement plant and its …
High-temperature thermal storage-based cement manufacturing …
Cost-effective CO 2 capture is essential for decarbonized cement production since it is one of the largest CO 2 emission sources, where 60% of direct emissions are from CaCO 3 decomposition and 40% are from fuel combustion. This work presents a low-carbon cement manufacturing process by integrating it with renewable energy for electric …
Assessment of Natural Radioactivity and Estimation of …
Assessment of Natural Radioactivity and Estimation of ... Cement manufacturing may cause environmental contamination at all stages of the production process. The cement as the building material ...
A life-cycle assessment of Portland cement manufacturing: …
In addition to the generation of CO 2 the cement manufacturing process produces millions of tons of the waste product cement kiln dust (CKD) ... Therefore, in an attempt to reduce uncertainty this study presents a cradle-to-gate life-cycle assessment of several cement products. Since cement manufacturing is the most energy and …
Assessment of radioactivity and trace elements of cement …
Cement is a building material that is commonly used in construction worldwide and is known to contain varying levels of radionuclides and trace metals. It is obvious that radioactivity in cement poses an immediate source of radiation exposure to workers in the cement industry and general public once cement becomes an integral part of the …