ENVIRONMENTAL IMPACT ASSESSMENT (FINAL REPORT) OBAJANA CEMENT COMPLEX OBAJANA, KOGI STATE ... Cement Production Process: The basic raw materials for the production of cement are laterite, clay/marl, laterite, and gypsum. ... analysis of water samples show that the river was not polluted in any way

Nov 03, 2020 The cement process is sole reason why the concrete industry makes up 8% of overall global emissions and 12% of emissions in New Jersey. Global CO2 emissions by category. Cement is made by firing limestone, clay, and other materials in a kiln. CO2 is emitted from the energy used to fire the material, and the chemical reaction produced from the

Nov 06, 2020 The attention to environmental impacts of cement production has grown fast in recent decades. The cement industry is a significant greenhouse gases emitter mainly due to the calcinations of raw materials and the combustions of fuels. This paper investigates on the environmental performances of cement production and on the identification of factors

accounts for 20-40% of production costs. In 2008, the U.S. cement industry spent about $1.7 billion to purchase energy; around $0.75 billion of this was for electricity and $0.9 billion for fuels. The production of cement results in the emission of carbon dioxide from both the consumption of fuels and from the calcination of limestone

Building industry is one of the leaders in. deterioration of environment by depleting resources and consuming energy or creation of waste (Stajanca and

Abstract - Cement industry plays a vital role in infrastructure development in India. It is also associated with few environmental impacts which may lead to health hazards when unnoticed. This study aims at identifying the major hazards in cement industry and provide guidelines for

With development of the economic, China has been the largest cement production country in the world. But the big production of cement also causes serious ecological environmental problems. In this study, a cradle-to-gate life cycle assessment was carried out for four typical cement factories in China. The results indicated that new suspension preheater (NSP)

Impacts of Cement Industry on Environment . The cement industry contributes significantly to the imbalances of the environment in particular air quality The key environmental emissions are nitrogen oxides (NOx) sulphur dioxide (SO2) aAt the same time the cement industry is an enormous energy intensive industry and it produces many harmful emissions like gases

Environmental impact of cement production detail of the , - Know More. Environmental impact assessment of cement production normalised with EU-15 emissions from 1995 Heijungs and Hofstetter, 1996 , and compared with indice 100 = Global warming impact The gray band represents uncertainti

Scope of the Environmental Impact Assessment Study 1.9 This EIA study addressed the likely potential air quality, noise, visual, waste management and water quality impacts of the project, together with any other key issues identified during the course of the EIA study. 1.10 The concrete batching plant will be constructed in two stages

Section 5 explains the criteria used to assess the potential environmental impacts that were identified during the scoping stage and the specialist studies for this EIA. Section 6 provides an assessment of the impacts – both biophysical and socio-economic

Song et al. (2016) give a breakdown of the environmental impacts associated with different parts of the cement production chain for typical pre-heater dry

European cement industry to resource management. The use of alternative materials in the cement industry lowers global CO 2 emissions and does not have a nega-tive impact on production process emis-sions, nor on the environmental and technical quality of the final product. Furthermore, co-processing in the ce

Dec 20, 2017 Direct impacts : Direct impacts occur through direct interaction of an activity with an environmental, social, or economic component. For example, a discharge of cement industry or an effluent from the Effluent Treatment Plant (ETP) into a river may lead to a decline in water quality in terms of high biological oxygen demand (BOD) or dissolved

Today, the cement industry provides a significant contribution to the waste management practices of many countries. The responsible use of waste as an alternative fuel to heat cement kilns is lowering the industry’s consumption of fossil fuels, which is helping to reduce the environmental footprint of global cement production. 20%

Assessment is based on local LCI data and on typical conditions in Serbia. Results of this specific case study show that impacts of aggregate and cement production phases are slightly larger for RAC than for NAC but the total environmental impacts depend on the natural and recycled aggregates transport distances and on transport types

The asphalt pavement industry has a long history of working with regulatory authorities and federal agencies to develop and promote innovations that enhance the sustainability of asphalt pavements, improve worker safety, protect the environment, and save taxpayers money. There are approximately 3,500 asphalt plants in the U.S. The industry

Feb 26, 2016 The cement industry produces about 5% of global man-made CO2 emissions, of which 50% is from the chemical process, and 40% from burning fuel. The amount of CO2 emitted by the cement industry is

Request PDF | Metabolism analysis and eco-environmental impact assessment of two typical cement production systems in Chinese enterprises

The cement industry has like Co2, So2, and NOx lead to climate change This has a a huge impact on the environment as compare to other industries serious questions on sustainability of current business models due its high energy intensity leading to GHG emissions. As on of corporates focusing only on economic profit

Environmental impacts. The main environmental issues associated with cement production are consumption of raw materials and energy use as well as emissions to air. Waste water discharge is usually limited to surface run off and cooling water only and causes no substantial contribution to water pollution

Environmental impact assessments for cement plants / Hilary Hoagland – Grey. p. cm. (IDB Technical Note; 301) Includes bibliographical references. 1. Environmental impact analysis—Latin America. 2. Inter-American Development Bank—Evaluation. 3. Cement industries. I. Inter-American Development Bank. Environmental and Social Safeguards Unit

Nov 19, 2020 The attention to environmental impacts of cement production has grown fast in recent decades. The cement industry is a significant greenhouse gases emitter mainly due

3.2 Environmental effect due to cement manufacturing process Emissions to air is the main environmental challenge faced by the cement industry. Main pollutions of cement productions include; cement dust, air pollution, water pollution, solid waste pollution noise pollution, ground vibration and resources depletion due to raw material extraction

Building industry is one of the leaders in. deterioration of environment by depleting resources and consuming energy or creation of waste (Stajanca and

Abstract. The cement industry is one type of industry that has implications for the emergence of environmental pollution problems and a decrease in environmental quality due to dust pollution. The cement industry can also increase air temperature and noise in operational activities by using machines. In addition, the impact of the cement industry is the decline in

Mar 01, 2010 Environmental impact assessment of cement production (S1 + S2 + S3) from two datasets (This study (EPER, 2008, Holcim, 2009, Calcia, 2008, Barla, 2008, Braun, 2007, DRIRE, 2003, AEPI, 2001, Lafarge, 2009), ATILH (ATILH, 2002)). Standard variations for the different indicators are presented for This study. Indice 100 is for mean impacts of this

Nov 03, 2020 The cement process is sole reason why the concrete industry makes up 8% of overall global emissions and 12% of emissions in New Jersey. Global CO2 emissions by category. Cement is made by firing limestone, clay, and other materials in a kiln