Novel low-temperature H2S removal technology by developing yellow
The emission of hydrogen sulfide (H 2 S) from different kinds of industrial activities, such as oil refining, yellow phosphorus production, natural gas extraction, etc., will bring about great damage to human health and living environment, because of its severe corrosiveness and toxicity (Luo et al., 2017, Wang et al., 2018a, Wang et al., 2020a). ). Therefore, to meet the …
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Optimization of Filling Material Ratio in Yellow Phosphorus Slag …
As a key technology within the concept of 'green mining', ... often discharged as waste slag. Typically, every ton of yellow phosphorus production generates 8 to 10 tons of waste residue. Due to its low utilization rate, significant quantities of yellow phosphorus slag accumulate over large areas, which are vulnerable to rainfall-induced ...
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Recovery of rare earth metals and precipitated silicon dioxide …
DOI: 10.1016/J.MINENG.2015.03.013 Corpus ID: 97231643; Recovery of rare earth metals and precipitated silicon dioxide from phosphorus slag @article{Karshigina2015RecoveryOR, title={Recovery of rare earth metals and precipitated silicon dioxide from phosphorus slag}, author={Z. B. Karshigina and Z. S. Abisheva and Yelena Gennadyevna Bochevskaya and Ata …
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Theory and Technology of the Phosphorus Extraction from …
At the electrothermal production of yellow phosphorus from a phosphorite, quartzite and coke mixture, 1 ton of the phosphorus produced gives to 300 kg of a by-product – ferrophosphorus (1). The basic consumer of ferrophosphorus is the ferrous metallurgy, in which ferrophosphorus is used for melting of alloyed
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Production method for yellow phosphorus
The invention discloses a production method capable of replacing the conventional coarse phosphorus refining technology and producing yellow phosphorus with higher purity. The production method comprises the following steps: (1) feeding coarse phosphorus into a reaction vessel provided with a stirring device, adding the coarse phosphorus to hot water which is pre …
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Company history
Subject: Amendments to the permanent technological regulation No. 3 for the production of phosphorite sinter for the production of yellow phosphorus using furnace gas (NZPP). Project designer - LENIIGIPROCHEM LLC, Moscow (Russia) Changes were made in the regulations of the shop for phosphorite agglomerate production for yellow phosphorus ...
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Processing Technogenic Raw Materials-Phosphorus Slags with …
The paper provides a flow sheet of the phosphorus slag processing to produce precipitated silica (white soot). The process conditions for opening phosphorus slag at the I stage of leaching have been selected: the nitric acid concentration is 3.5 mol/dm3; the ratio S:L = 1:3.5; the temperature is 60 oС; and the process duration is 1 hour. The parameters of the white soot …
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Application of yellow phosphorus slag in resource recovery and
Yellow phosphorus slag (YPS) is a byproduct in the production of yellow phosphorus, which contains several harmful components, such as phosphorus and fluorine. Approximately 8-12 tons of YPS are produced for each ton of yellow phosphorus. The accumulation of YPS causes serious environmental pollutio …
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Application prospect of advanced oxidation technology in wet …
The traditional production process of phosphoric acid is shown in Fig. 2, mainly using the wet or thermal method is adopted.The wet method mainly uses strong acid to replace weak acid [22], [23].In the thermal method, the phosphorus in the phosphate rock is transformed into phosphorus vapor overflow by heating, and the phosphorus is burned in the air to …
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Innovation in manufacturing for new process of sustainable …
Goal: Our research group has pointed out that the steelmaking slag has considerable high potential as a new secondary source of phosphorus. This project aims to develop new green …
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Digital Control Model of Technological Process of the Yellow …
Abstract: Creation of digital control of technological and production process of obtaining yellow phosphorus remains an urgent task of our time. The main unit of production of yellow …
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CN113336207A
The invention discloses a combined production system of yellow phosphorus and synthesis gas, which comprises a phosphorus coal gasification furnace, wherein a discharge port of a coal powder preparation unit is connected with a coal powder inlet of the phosphorus coal gasification furnace, an air outlet of a sub-unit is connected with an air inlet at the bottom of the …
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Glyphosate: Application and Production Ways
Identified Raw Materials for the production of glyphosate by iminogiatsetonitril using elemental yellow phosphorus, phosphorus trichloride, formaldehyde, …
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Application of yellow phosphorus slag in resource recovery and
Yellow phosphorus slag (YPS) is a byproduct in the production of yellow phosphorus, which contains several harmful components, such as phosphorus and fluorine. Approximately 8–12 tons of YPS are produced for each ton of yellow phosphorus. ... There have been some technological advances in the recovery of heat, silicon, calcium and rare earth ...
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Contrast Analysis of Recycling and Utilization Approaches of …
Large amounts of CO (carbon monoxide) exhaust are generated in electric furnace yellow phosphorus production processes. The key issue of achieving energy saving and emission …
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Diagnostics of the Technological System State for Phosphorus Production
The object of technical diagnostics is the entire CETS, information about its state is recorded by a system of various sensors. The solution of the problem for technical diagnostics on the basis of modern algorithms for processing diagnostic data allows ensuring reliability at a higher level compared to conventional methods of non-destructive testing.
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CN1911790A
The green production process of yellow phosphorus has researcher in continuous research always, has also obtained very big progress.Patent CN02133308.4 (CN1463915A) discloses a kind of process for yellow phosphorus cleaning production, principal character is to adopt advanced dedusting and heat recovery technology, before separating yellow phosphorus, …
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Contrast Analysis of Recycling and Utilization Approaches of …
The production of yellow phosphorus will result in a lot of tail gas, which is mainly composed of CO. The ... The technological process of using the yellow phosphorus tail gas to produce the C 1 chemical products are complicated, not mature enough, high investment, and more difficult to connect with the original ...
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The sequence of stages in developing an intelligent control …
This paper proposes multilevel architecture for an intelligent control system for the complex chemical energy technological process of yellow phosphorus production from apatite-nepheline ore ...
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Experimental investigation on centrifugal granulation of molten yellow
In 2021, the production of yellow phosphorus in China was 689,000 t. yellow phosphorus slag is a solid waste produced by an electric arc furnace. ... Centrifugal granulation is a promising dry granulation technology due to its simple and compact structure, low energy consumption, controllable slag particle size, and high glass phase content of ...
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Processing Technogenic Raw Materials-Phosphorus Slags with …
The paper provides a flow sheet of the phosphorus slag processing to produce precipitated silica (white soot). The process conditions for opening phosphorus slag at the I stage of leaching have ...
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CN102351158A
The invention provides a process of producing aluminum phosphide from yellow phosphorus and recovering byproducts simultaneously. The method radically overcomes the problems of low labor productivity, great investment and equipment scale, a low utilization rate of raw materials, high production cost, severe leakage of flue gas of phosphorus-containing compounds, …
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A more sustainable way to generate phosphorus
The remaining phosphate ore is processed separately into white phosphorus, a molecule composed of four phosphorus atoms bound to each other. White phosphorus is then fed into a variety of chemical processes that are used to manufacture many different products, such as lithium battery electrolytes and semiconductor dopants.
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Yellow Phosphorus Production from Phosphoric Acid by
Yellow Phosphorus Production from Phosphoric Acid by Carbothermic Reduction Huafang Yu, Ryoko Yoshida, Yasushi Sasaki, and Tetsuya Nagasaka ... Especially yellow phosphorus is a critical material for advanced industrial technology, but phosphorus resources were not produced in Japan,andalldependonimports.Ithasbeensuggested,however,thattheremaining
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Yellow Phosphorus Production from Phosphoric Acid by …
Yellow phosphorus is commercially produced by carbothermic reduction of phosphate ore in an electric arc furnace at more than 1673 K. In the newly developed system, gaseous P4O10 …
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The production method and process flow of yellow phosphorus, …
This article will provide a detailed introduction to the manufacturing methods of yellow phosphorus, including raw material preparation, reaction process, and product post-treatment …
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Yellow Phosphorus Production from Phosphoric Acid by …
Yellow phosphorus is commercially produced by carbothermic reduction of phosphate ore in an electric arc furnace at more than 1673 K. In the newly developed system, …
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Diagnostics of the Technological System State for …
Diagnostics of the Technological System State for Phosphorus Production 89 2 Problem Statement and Methods of Solution The enlarged scheme for CETS is shown in Fig. 1. It consists of three units: – a granulator forming raw pellets from ore raw materials; – a multi-chamber roasting machine of a conveyor type, in which hot air dries pellets
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Technological scheme for processing phosphorus slag to obtain
Download scientific diagram | Technological scheme for processing phosphorus slag to obtain precipitated silicon dioxide and REM concentrate. from publication: Comprehensive Processing Technology ...
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Glyphosate: Application And Production Ways
On this basis and phosphorus derivatives formed the chemistry of the synthesis process of glyphosate using iminodiacetonitrile and provides basic technological scheme of production of yellow phosphorus and glyphosate.
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