Nigeria is rich is solid mineral resources, such as: Kaolin, gypsum, mica, clay, tantalite, iron ore, gemstone, silica sand.
Read More
Recycling concrete &building rubble is not only able to bring profit to investors, but also good for environment protection.
Read More
By absorbing the advanced technology from the world, we researched and designed PF series impact crusher.…
Read More
Base on the plentiful experience of producing and marketing of impact crusher, Sofol R&D institution…
Read More
Adopting technology from the world, PY Series spring cone crusher has an excellent performance in secondary…
Read More
The vibrating screen is a kind of sieving equipment of international advanced level, developed by our…
Read More
Sofol VSI Series vertical shaft impact crusher is designed by reputed German expert of Sofol and every…
Read More
The dangers and uses of radiation - CCEA The effects of radiation on the human body. People are exposed to sources of radiation in all aspects of everyday life. Radioactive sources can be very ...
Details
A variety of co-existing impurities in phosphogypsum limit its large-scale and high-value utilization. This paper summarizes the common contents of major impurity components (silicon and ...
Details
They have strong tendency to accumulate in the human body, and thus associated with kidney stones. The REEs could also perturb the animal physiology, especially affecting the reproductive ...
Details
phosphogypsum in road construction is a significant new use. In considering this petition, note that EPA has already acknowledged—and scientific ... Phosphogypsum poses substantial hazards to human health and the environment. ..... 19 a. Nature of the Toxicity Presented by Phosphogypsum Constituents ..... 19 b. Concentration of Toxic ...
Details
This work is a first contribution to the knowledge of natural radionuclides (226 Ra, 238 U, 40 K, and 232 Th) activities in phosphate rock (NORM), phosphogypsum, and phosphogypsum (TENORM) from the coastal fertilizer plants of Gabes (Southeastern Tunisia) and the assessment of their radiation hazards on human health and the surrounding environment.
Details
EC&M Magazine - Anthony Dawes | Jan 16, 2018 The worst-case scenario for any on-site activity is to experience a workplace injury or death. Let's take a look at the fundamentals of incident ...
Details
Phosphogypsum is a solid waste byproduct from processing phosphate ore to make phosphoric acid that is later used in fertilizer. The phosphate ore and the resulting phosphogypsum contain radium, which decays to form radon gas. ... However, exposure to …
Details
Phosphogypsum and the EPA Ban. Phosphogypsum is a by-product of the chemical reaction called the "wet process," whereby sulfuric acid is reacted with phosphate rock to produce the …
Details
Phosphogypsum (PG) is a waste by-product (residue) originating from the production of phosphoric acid and phosphate fertilisers. PG contains chemical and radioactive impurities, which is why it is ...
Details
Phosphogypsum (PG) is an industrial by-product of a wet process for phosphoric acid production in phosphorus chemical enterprises [1].Every ton of phosphoric acid generates about 5 tons of PG [2], containing predominantly CaSO 4 ·2 H 2 O, accounting for over 90% of the content. In addition, trace amounts of fluorine, phosphorus, oxides, organic matter, radioactive …
Details
PDF | Phosphogypsum (PG) is the most significant solid waste in the world. ... along the food chain and enter the human body [6]. ... the material could be hazardous to human health, so additional ...
Details
KEY ISSUES. Cadavers may pose hazards to those handling them. The recently dead may have been infected by a wide range of pathogens, those presenting particular risks include, tuberculosis, streptococcal infection, gastro-intestinal pathogens, the agents causing transmissible spongiform encephalopathies (e.g. Creutzfeldt-Jakob disease), hepatitis B and C, HIV …
Details
5G is the newest wireless network. It provides faster mobile communication by producing higher electromagnetic frequencies. But does it affect health?
Details
Phosphogypsum is transported in pipes as slurry and is very watery when it is first put on the stack. As the phosphogypsum dries out, a crust forms on the stack. The crust thickens over time, reducing the amount of …
Details
The flower of the cannabis plant is used for its recreational or medicinal purposes. The stalk or stem of the cannabis plant is used for industrial purposes (e.g., hemp fiber).
Details
Phosphogypsum (PG) is a by-product produced during the wet process of phosphoric acid (H3PO4) production from natural phosphate rocks. Approximately 4–6 tons of …
Details
Pharos is a tool to help scientists, researchers, and product innovators identify problematic chemicals and collaborate to find safer alternatives.
Details
Phosphogypsum (PG) is a waste by-product (residue) originating from the production of phosphoric acid and phosphate fertilisers. ... Due to its chemical and radiological …
Details
While gypsum is considered safe for various applications, phosphogypsum requires careful handling and disposal due to its potential environmental and health hazards. Copy This URL Comparison
Details
Inorganic leachate generated by rainfall could contaminate water and soil. The heavy metals in leachate may be absorbed by creatures, which in turn enter the human body through the food chain (Li and Wang, 2019; Wang et al., 2020). Large waste spills can cause irreversible environmental hazards in a short time (Wang et al., 2020).
Details
Phosphogypsum contaminates the areas located near plants specializing in the production of phosphorus fertilizers. Soils in such areas are enriched in Ln; first of all, elements with a high ...
Details
Radiation and Phosphogypsum • Both natural gypsum and phosphogypsum contain radioactivity, but phosphogypsum contains more. • In the manufacture of phosphoric acid, the acid is filtered through cloth to remove solids. The radium is filtered out with the solids. The solid portion is known as phosphogypsum. ...
Details
The environmental hazards of PG mainly come from the release of P and heavy metals that are enriched in the soil or water body after large-scale accumulation, leading to high local concentrations and ecological damage. However, with the progress of process technology and the implementation of relevant policies, the content of polluting elements ...
Details
2 Executive Summary: This document details the review performed by the U.S. Environmental Protection Agency, Office of Radiation and Indoor Air, Radiation Protection Division, in response to the Radiological Risk Assessment in Support of Petition for Beneficial Use of Phosphogypsum prepared for The Fertilizer Institute (TFI) (Arcadis 2019).
Details
In its Report on Carcinogens, the National Toxicology Program of the US Department of Health and Human Services lists consumption of alcoholic beverages as a known human carcinogen. "The evidence indicates that the more alcohol a person drinks–particularly the more alcohol a person drinks regularly over time–the higher his or her risk of ...
Details
This is the first study on the behavior and industrial fluxes of rare earth elements (REE) in the coastal fertilizer plants of Gabes (south-eastern Tunisia), the economic losses related to their wastes, and their environmental and human health hazards. The concentrations of 16 REE were assessed in phosphate rock (PR), phosphogypsum (PG) and …
Details
Subpart R protects the public and the environment from the hazards of radioactive materials found in phosphogypsum. Phosphogypsum is a solid waste byproduct that results from processing phosphate ore to make phosphoric acid that is later used in fertilizer.
Details
The phosphogypsum valorization became a necessity when the U.S. Environmental Protection Agency (EPA) legislation was modified in 1992 and allowed the use …
Details
Sofol is a well-known crusher and grinding mill manufacturer that offers equipment and solutions for customers from aggregates, mining and mineral grinding industry.
You can leave your message here, we'll send you an Email immediately.
Online ChatCopyright ©2000- 2024 Shanghai Sofol CompanySitemap
PE series jaw crusher is usually used as primary crusher in quarry production lines, mineral ore crushing plants and powder making plants.
GET QUOTE