- Mon - Sat 8:00 - 18:00
- [email protected]
- 0086-21-58386256
Table 3 and the evaluation of grey correlation theory indicate that the content of waste rock exerts the greatest influence on the UCS of 7 d backfill, followed by NaOH, …
WhatsApp: +86 18221755073
pollutants enter rivers and lakes, they disturb aquatic ecosystems and render the water unfit for human consumption.[15] 3.2 Hazards to Health and the Environment In addition to causing …
WhatsApp: +86 18221755073
Radiological characterization of radionuclides contained in the phosphate rocks, phosphogypsum, phosphoric acid, and phosphates fertilizers (DAP, NPS, NPK, TSP, and …
WhatsApp: +86 18221755073
Phosphogypsum stacks, byproducts of phosphate fertilizer production, have garnered attention due to their environmental and health implications. These mounds are …
WhatsApp: +86 18221755073
Here we provide an overview and evaluation of the geochemical and radiological hazardous risks associated with the different uses of PG. In this review, we show that NPs are important …
WhatsApp: +86 18221755073
The harm of Cr 6+ to the human body is chronic toxicity, and the harm of PG to the human body is mainly due to the risk of oral intake (Mitra et al., 2022). If a large amount of Cr …
WhatsApp: +86 18221755073
Because the phosphate ore contains uranium and radium, phosphogypsum also contains these radionuclides. The radium is of particular concern because it decays to form radon, a cancer …
WhatsApp: +86 18221755073
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 …
WhatsApp: +86 18221755073
Phosphogypsum (PG), the main industrial by-product of phosphate fertilizer industry, primarily consists of calcium sulfate dihydrate. However, it cont…
WhatsApp: +86 18221755073
Phosphogypsum contains naturally occurring radioactive materials (NORM), primarily radium-226, which decays into radon gas, a known human carcinogen. It also …
WhatsApp: +86 18221755073
Phosphogypsum is the most significant industrial solid waste in the world. Phosphogypsum has a complex composition and its traditional storage methods occupy large …
WhatsApp: +86 18221755073
Smoking can cause long-term negative effects on the body, including heart disease, cancer, and diabetes. Smoking is dangerous to your health. It can harm nearly every …
WhatsApp: +86 18221755073
• 16 REE were analyzed in phosphate rock, phosphogypsum and phosphogypsum . • Phosphogypsum was the most enriched with REE (1075.32 mg kg −1). ... the economic …
WhatsApp: +86 18221755073
The promising direction of the soil application of phosphogypsum, a by-product of the chemical industry, in bioremediation processes is considered. ... as radionuclides enter the …
WhatsApp: +86 18221755073
Anthropogenic activity especially usage of phosphate fertilizers and phosphogypsum waste (a by-product of phosphate ore processing into fertilizer) in agriculture …
WhatsApp: +86 18221755073
2. Regulate the safe treatment, storage and disposal of phosphogypsum as hazardous waste; 3. Designate phosphogypsum a high-priority substance for risk evaluation; 4. Require …
WhatsApp: +86 18221755073
Phosphogypsum (PG) is a waste by-product (residue) originating from the production of phosphoric acid and phosphate fertilisers. ... Due to its chemical and radiological properties, …
WhatsApp: +86 18221755073
Phosphogypsum applied at the rate of 20 Mg ha −1 was associated with the additions of 3.0, ... Lead entry into the human body system could occur through ingestion …
WhatsApp: +86 18221755073
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 …
WhatsApp: +86 18221755073
This chapter focuses on the biology of ammonia health hazards. A brief overview of the mortality of ammonia inhalation is followed by a look at a case study on short-term …
WhatsApp: +86 18221755073
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 …
WhatsApp: +86 18221755073
health hazard because the human body regulates the amount of potassium retained. Higher concentrations of TENORM in waste leads to greater potential for adverse impacts on human …
WhatsApp: +86 18221755073
Phosphogypsum (PG) is a calcium sulphate dihydrate and a by-product of the phosphate fertilizer industry. It is produced in huge quantities (300 MT/year), but only 15% of …
WhatsApp: +86 18221755073
PG, discharged into the sea, watercourses or in wilderness stocks, contains toxic elements harmful to ecosystems and human health, including heavy metals and radionuclides, and there is therefore a concern regarding …
WhatsApp: +86 18221755073
Environmental advocates have long raised alarm about the environmental hazards created by the fertilizer production process, including phosphogypsum, a byproduct of the …
WhatsApp: +86 18221755073
Dr. Bill Field at the University of Iowa and the Iowa Cancer Consortium have prepared "Breathing Easier" to help educate physicians on the dangers of radon and the link …
WhatsApp: +86 18221755073
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 …
WhatsApp: +86 18221755073
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 …
WhatsApp: +86 18221755073
The book is a science-heavy primer on the history and origins of glyphosate and its use in GMO commodity crops, as well as some of the pushback against claims of glyphosate's …
WhatsApp: +86 18221755073
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 radon that can …
WhatsApp: +86 18221755073
Gyp stacks contain phosphogypsum, a radioactive waste product. They're often located near water bodies, posing a risk of contamination. In recent years, several incidents …
WhatsApp: +86 18221755073
Phosphogypsum is an acidic by-product from the phosphate fertilizer industry. Large quantities are produced world-wide and it is estimated that by the year 2000 up to 280 …
WhatsApp: +86 18221755073
The fine red mud particles will cause damage to the respiratory system of humans if inhaled into the human body. Furthermore, the release of toxic elements, including radioactive …
WhatsApp: +86 18221755073
To understand gypsum stacks, one must delve into their mineralogical makeup. Phosphogypsum, the primary material in these stacks, is largely composed of calcium sulfate …
WhatsApp: +86 18221755073
Physical hazards are the most common safety threats you face on a day-to-day basis. This article will help you understand the risks associated with most roles, including a list of 15 …
WhatsApp: +86 18221755073
1. Reverse an earlier determination to exclude phosphogypsum from regulation; 2. Regulate the safe treatment, storage and disposal of phosphogypsum as hazardous waste; 3. Designate …
WhatsApp: +86 18221755073
Studies have shown that heavy metal pollutants enter the soil, surface water and air, and subsequently enter the human body through skin contact, respiration and hand-to …
WhatsApp: +86 18221755073
Potential issues of concern resulting from phosphogypsum disposal are its environmental impacts, i.e. possible increases in radionuclide concentrations in soil or groundwater and consequent …
WhatsApp: +86 18221755073
human exposure and a lack of well-conducted epidemiology or toxicology studies relevant to assessing ... Chemical Hazards, gypsum is the dihydrate form of calcium sulfate. It is a …
WhatsApp: +86 18221755073
However, exposure to radon at higher levels and over prolonged periods of time can pose a serious hazard to human health by increasing the risk of developing lung cancer. Radon contained in the outside air can enter …
WhatsApp: +86 18221755073