Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand.
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Recycling concrete &building rubble is not only able to bring profit to investors, but also good for environment protection.
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By absorbing the advanced technology from the world, we researched and designed PF series impact crusher.…
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Base on the plentiful experience of producing and marketing of impact crusher, Sofol R&D institution…
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Adopting technology from the world, PY Series spring cone crusher has an excellent performance in secondary…
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The vibrating screen is a kind of sieving equipment of international advanced level, developed by our…
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Sofol VSI Series vertical shaft impact crusher is designed by reputed German expert of Sofol and every…
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The role of the agricultural sector in human development and economic development cannot be overemphasized. Awareness for increased agricultural production is on the increase, arising from the need to feed the ever-increasing human population. Interestingly, almost all agricultural activities generate wastes, which are generated in …
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The environmental and construction legislations are not modernized to control the adverse impacts of construction activities in Bangladesh. A large volume of Construction and Demolition (C&D) waste and carbon are annually released from this sector. This research was undertaken to investigate the Green Supply Chain …
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1. Introduction. Landfills are a major contributor to the world's anthropogenic greenhouse gas (GHG) emissions because an enormous amount of CH 4 and CO 2 are generated from the degradation process of deposited waste in landfills [].Landfill operation is usually associated with contamination of surface and groundwater by leachate from …
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Table 1: Major environmental pollutants, their sources, and impact on human health Pollutants and health effects are less studied because of the need for more information on exposure to pollutants in less developed countries, where waste management could be better, there is higher poverty, and the application of new …
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Dioxins (including 2,3,7,8-tetrachlorodibenzo-p-dioxin, as Group 1 Carcinogen) in the atmosphere mainly originate from incomplete combustion during municipal solid waste (MSW) incineration.To significantly reduce dioxins emission from the MSW incineration industry, China has promulgated a set of ambitious plans regulating …
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Analysis showed that C&D waste recycling could be an effective mitigation option to reduce the risk of landslides; reduce the energy consumption; offset the …
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This includes soil, air water, and aesthetic pollution. Such environmental problems are associated with human health disorder, due to the increase in greenhouse gas emissions [47]. The waste streams originating from industrial sources are different than the hazardous substances in waste [48], [49], [50].
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Keywords. Plastic waste, Environmental contamination, Pollution, Public health, Toxic chemicals Introduction. Plastics are made up of synthetic organic polymers which are widely used in different applications ranging from water bottles, clothing, food packaging, medical supplies, electronic goods, construction materials, etc [].In the last six decades, …
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Industries and s globally accumulate solid waste at a heightened rate, due to increased global population, food and essentials to survive. Although steps have been taken in recent years to manage waste efficiently, through utilizing municipal waste collection centres and taken to landfills and dumps; solid waste is presenting …
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1. Introduction. Every year, over 10 billion tonnes of construction and demolition waste (C&DW) are generated globally (European Commission, 2019; Huanyu Wu, Jian Zuo, George Zillante, Jiayuan Wang and Hongping Yuan, 2019).In terms of total materials purchased by weight, between 1 10% usually ends up as C&DW (Ajayi et al., …
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One thing I'll add: Solar developers are responsible for decommissioning projects when they reach the end of their lives, and they often have to post a bond at the time of construction to cover ...
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Key facts. E-waste is the fastest growing solid waste stream in the world (1).; In 2019, an estimated 53.6 million tonnes of e-waste were produced globally, but only 17.4% was documented as formally collected and recycled (2).; Lead is one of the common substances released into the environment if e-waste is recycled, stored or dumped …
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About 64% of Malaysia's waste consists of and office waste, 25% industrial waste, 8% commercial waste, and 3% construction waste . In Sri Lanka, the assessed mean waste generation in 1999 was 6500 tons/day or 0.89 kg/cap/day, which is estimated to reach 1.0 kg/cap/day by 2025 [ 30 ].
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It is noteworthy that the construction of the waste treatment facilities incurs high investment cost, and once the facility is established, it would be difficult to get rid of it before the end of the payback period. ... Chemical Engineering Laws and Ethics IMPROPER WASTE DISPOSAL: EFFECTS ON PUBLIC HEALTH AND ENVIRONMENTAL …
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Although construction and demolition waste (CDW) is relatively inert, the main environment concern is associated with its high volume, weight and large worldwide annual production (Akhtar and Sarmah, 2018, Gálvez-Martos et al., 2018).The management of CDW has been recognised as a major global issue due to the associated …
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Many opportunities exist for the beneficial reduction and recovery of materials that would otherwise be destined for disposal as waste. Construction industry professionals and building owners can educate and be educated about issues such as beneficial reuse, effective strategies for identification and separation of wastes, and …
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Of the total amount of waste generated by health-care activities, about 85% is general, non-hazardous waste comparable to domestic waste. ... which are human carcinogens and have been associated with a range of adverse health effects. Incineration of heavy metals or materials with high metal content (in particular lead, mercury and …
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Construction and demolition wastes (CDWs) are not normally a concern of citizens who directly generate and deal with …
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Improper disposal can lead to adverse health outcomes, for example through water, soil and air contamination. Hazardous waste or unsafe waste treatment such as open …
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Effects of construction waste on the environment. Construction waste can have a huge environmental impact. Due to the very uses of construction materials, most of these are not easily biodegradable. ... The incorrect disposal of these materials can result in land, air and water pollution, posing a serious health hazard. Reducing the impact ...
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The available scientific evidence on the waste-related health effects is not conclusive, but suggests the possible occurrence of serious adverse effects, including mortality, …
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The large presence of organic, plastic, paper and metal wastes at Gosa waste dump site, is an indication that the municipal solid wastes can be sorted, recycled and processed to other useful ...
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Hence this chapter covers the water pollution in the construction industry, sources and characteristics of waste water from the construction industry, environmental and health effects, techniques to control water pollution and strategy for sustainable development of the construction industry.
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This study quantifies waste generation rate and illustrates the construction method in influencing the waste generation rate, estimating that the conventional construction method has a waste ...
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The construction industry generates many environmental pollutants, such as noise, air pollution, solid and liquid waste, water pollution, harmful gases, and dust (Adnan et al. 2014).It is classified as the world's largest consumer of raw materials, the highest energy-consuming sector, reaching up to 36% of the total energy consumption, and one …
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Healthcare wastes are generated by human or animal healthcare facilities. A small portion of these wastes are considered dangerous. However, accidents generated by incorrect waste …
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2. Methods. This article reviews the open dumping and open burning of waste, main practices implemented for waste treatment and disposal in developing countries, involving many environmental and health impacts [30,31,32].Such unsustainable practices include every waste fraction, such as MSW, HW, construction & demolition …
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Hazardous, or toxic, waste is the potentially dangerous byproduct of a wide range of activities, including manufacturing, farming, water treatment systems, construction, automotive garages ...
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In the implementation of a building construction project, it can be avoided the residual of construction material or commonly called construction waste. Beside effects on the cost, construction ...
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The study also indicates that project cost overrun, pollution of the environment, reduction in profit and failure of construction firms, excessive …
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However, if a 50% recycling and reuse rate can be achieved by 2025, the environmental impact will reduce by 33.2% (Maha & Fujiwaraa, 2018). Learn about the detrimental effects of construction …
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Beijing-Tianjin-Hebei region is a capital economic circle for the future. Promoting the coordinated development of its population, economy, resources and environment is a major national strategy. And as towns and cities continue to expand, the volume of construction waste is gradually expanding, posing a major challenge to the …
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Nuclear energy produces radioactive waste. A major environmental concern related to nuclear power is the creation of radioactive wastes such as uranium mill tailings, spent (used) reactor fuel, and other radioactive wastes. These materials can remain radioactive and dangerous to human health for thousands of years.
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We identified multiple adverse health outcomes in individuals living close to waste sites at a national level in South Africa, suggesting the need to …
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Health Effects of Incineration STUDY SUBJECTS CONCLUSIONS REGARDING ADVERSE HEALTH EFFECTS REFERENCE Residents living within 10 km of an incinerator, refinery, and waste disposal site Significant increase in laryngeal cancer in men living with closer proximity to the incinerator and other pollution sources P. Michelozzi et …
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1. Introduction. Plastics are chemically created polymers that are used in a broad range of materials, including clothing, medical supplies, water bottles, food packaging, electrical items and construction materials [].The last six decades, because of continuous technological progress, have seen a rise in plastics and plastic products …
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Yuan (2012) carried out a quantitative study to evaluate the social performance on construction waste management using system dynamics. Many indicators have been used to assess the social impacts of CDW. Hao et al. (2007) conducted a study on managing construction and demolition waste. The study showed that system …
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The available scientific evidence on the waste-related health effects is not conclusive, but suggests the possible occurrence of serious adverse effects, including mortality, cancer, ... recycling and other recovery of construction and demolition waste. The Directive requires that Member States develop and adopt waste management plans and
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PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
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