Results 11 to 20 of about 1,392,926 (349)
Leaching Kinetics of Rare Earth Elements in Phosphoric Acid from Phosphate Rock
Metals, 2021 Phosphate rock has been considered as one of the most significant secondary rare-earth resource, and the utilization of rare earth elements (REEs) in phosphate rock has attracted increasing attention.
Zhili Li +5 more
semanticscholar +1 more source
Effects of Mixing Hyperaccumulated Straw and Phosphate Rock Powder on Cd Content in Chinese Cabbage [PDF]
E3S Web of Conferences, 2019 In this paper, hyperaccumulator straw (Solanum nigrum L., Amaranthus chinense L., and Siegesbeckia orientalis L.) and phosphate rock powder were selected as materials, a pot experiment was used to study the effects of three compounding modifiers on the ...
Luo Xian +6 more
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Experimental study on phosphate rock modified soil-bentonite as cut-off wall materials
Water supply : the review journal of the International Water Supply Association, 2021 The phosphate rock has great potential value in the application of cut-off walls for heavy metal contaminated sites. The effects of initial concentration of Pb2+, contact time, temperature and pH on the adsorption performance of phosphate rock modified
Yu-heng Li +6 more
semanticscholar +1 more source
Minerals, 2023 Sedimentary phosphate extraction in open-pit operations generates large volumes of waste rock (WR), which are mainly overburdens and interburdens. Traditionally, the WR is mixed and stored on the surface in waste rock piles (WRPs).
Safa Chlahbi +6 more
semanticscholar +1 more source
, 2021 Gently inclined medium-thick orebodies are generally recognized as the most difficult type of orebody to mine, using current available strategies (i.e., the room and pillar method).
Xiaoshuang Li, Zhifang Liu, Shun Yang
semanticscholar +1 more source
Jurnal Ilmiah Pertanian, 2018 This study aimed to determine the effect of rock phosphate fertilizer with various doses of the production of oil palm fresh fruit bunches. Results from this study is the final conclusion of phosphate rock fertilizer does not affect the measurement of ...
Muhamad Rizal
doaj +5 more sources
Use of filter cake enriched with rock phosphate and biofertilizers in a Haplustox soil
Pesquisa Agropecuária Tropical, 2014 The use of biofertilizers associated with organic compound and phosphate rock can increase the availability of phosphorus in the soil, due to the increase of the microorganisms population. This study aimed at evaluating the effect of filter cake enriched
Leónides Castellanos González +4 more
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The Passivation Effect on Cd of Mixing of Hyperaccumulated Plant Straw and Phosphate Rock Powder in Cd Polluted Soil [PDF]
E3S Web of Conferences, 2019 Soil culture experiments were carried out to study the effects of the mixture of cadmium (Cd) hyperaccumulator straw (Solanum nigrum L., Amaranthus chinense L., and Siegesbeckia orientalis L.) and phosphate rock on soil pH, available Cd content and soil ...
Luo Xian +6 more
doaj +1 more source
Frontiers in Environmental Science, 2022 Rock mass failure is gradually becoming more common as the number of geotechnical engineering projects continues to increase. In this paper, the probability density distributions of initial and peak frequency events in the acoustic emission (AE) from two
Yi Zhang +10 more
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Maize yield influenced by the residual effects of sedimentary phosphates in high-calcium soil [PDF]
Revista Brasileira de Engenharia Agrícola e Ambiental, 2020 It was evaluated the residual effects of sedimentary phosphates associated with the annual application of phosphate on maize grown in Inceptisol soil with a high exchangeable calcium concentration and pH value of 6.0.
Richard M. de Souza +2 more
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