The results revealed that at the best sintering condition (1280 °C, holding for 60 min), and a mass ratio (ODCPRs: bauxite: MnO 2 at 3:7:0.1), the well-developed granular …
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Laser sintering of metal nanoparticles (NPs) has been widely used in flexible microelectronic device fabrication, wherein the sintered layer thickness is a key factor affecting the mechanical stability and conductivity. In this work, ultrathin flexible electronic circuits on flexible substrates with robust bonds and excellent conductivity have been fabricated through ultrafast …
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By sintering MS with solid waste coal gangue at a sintering temperature below 1300 °C to prepare a low-density bauxite-based ceramic proppant, not only greatly reduced energy consumption but ...
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Low-density bauxite-based ceramic proppants were prepared at sintering temperatures below 1300°C by adding solid wastes coal gangue and magnesium slag. The addition of solid wastes greatly decreases sintering temperature and preparation cost. The density and strength of ceramic proppants were tested according to the standard, and the morphology …
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The results revealed that at the best sintering condition (1280 °C, holding for 60 min), and a mass ratio (ODCPRs: bauxite: MnO 2 at 3:7:0.1), the well-developed granular corundum and acicular...
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from publication: Optimizing the Lightweight Ceramic Proppants Properties | The paper presents results of sintering proppants parameters and its influence on light ceramic proppants...
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To determine the effect of sintering temperature and ODCPRs contents on the physical–mechanical performance of proppants and optimize the sintering conditions, proppants were prepared with various ratios of ODCPRs and sintered at different temperatures.
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DOI: 10.1016/J.MATLET.2016.02.090 Corpus ID: 138840211; Low-temperature sintering of bauxite-based fracturing proppants containing CaO and MnO2 additives @article{Zuolei2016LowtemperatureSO, title={Low-temperature sintering of bauxite-based fracturing proppants containing CaO and MnO2 additives}, author={Liu Zuolei and Jinzhou …
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The results revealed that at the best sintering condition (1280 °C, holding for 60 min), and a mass ratio (ODCPRs: bauxite: MnO 2 at 3:7:0.1), the well-developed granular corundum and …
WhatsApp: +86 18221755073
Ceramic proppants are usually prepared via sintering using a mixture of high-proportioned bauxite and a small quantity of other minerals as raw materials [[3], [4], [5]]. However, bauxite resources have recently become scarce because of overexploitation. Many countries have begun to restrict bauxite mining, resulting in a decline in bauxite ...
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FEECO provides feasibility testing and process development around the manufacture of ceramic proppants. In addition to our testing services, we engineer and manufacture custom rotary kilns to meet your proppant sintering needs, as well as rotary dryers and coolers for the proppant production process.
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In this study, we investigated the preparation of ceramic fracturing proppants using oil-based drill cutting pyrolysis residue (ODPR), a solid waste by-product of the petroleum …
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It has been well documented in the API/ISO standard testing procedures. Laser diffraction technique is a new way to measure the particle size distributions. ... Proppants with a higher coefficient of restitution and a lower friction coefficient than other proppants will be transported deeper into the fracture. ... spraying process and sintering ...
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To determine the effect of sintering temperature and ODCPRs contents on the physical–mechanical performance of proppants and optimize the sintering conditions, …
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The objectives of this review study are to provide an overview of current proppant technologies, including different types, compositions, and shapes of proppants, new …
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The company's vision is to produce state-of-the-art selective laser sintering equipment and provide reliable on-demand 3D printing services for the benefit of all people. There are three revenue streams: sales of SLS equipment, service agreement fees up to 5 years (equipment older than 5 years will not be serviced), and on-demand 3D printing ...
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the sintering of proppants can take place in a sintering oven or furnace, for example, at temperatures from about 1200° C. ... to fuse small particles of plastic, metal (direct metal laser sintering), ceramic, or glass powders into a mass that has a desired 3-D shape.
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The primary focus lies in the meticulous analysis of the mechanical strength of ceramic proppants. The proppant raw material employed is kaolin clay, treated through a dry coating technique and subsequently sintered at 1300 °C.
WhatsApp: +86 18221755073
FEECO provides feasibility testing and process development around the manufacture of ceramic proppants. In addition to our testing services, we engineer and manufacture custom rotary kilns to meet your proppant sintering …
WhatsApp: +86 18221755073
The performance of the proppants with different sintering temperatures, holding times, and various ratios of ODCPRs to bauxite are comprehensively investigated. Besides, the effect of V 2 O 5 and MnO 2 additives on the proppants` sintering behaviors and properties are also discussed. In addition, through combining phase change, microstructure ...
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In this study, we investigated the preparation of ceramic fracturing proppants using oil-based drill cutting pyrolysis residue (ODPR), a solid waste by-product of the petroleum industry, as the principal raw material, augmented by the addition of bentonite.
WhatsApp: +86 18221755073
Direct Metal Laser Sintering is the most widely used metal 3D printing technology. Many major valuable 3D printing companies including 3D Systems, SLM Solutions, Concept Laser and EOS sell DMLS metal 3D …
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The objectives of this review study are to provide an overview of current proppant technologies, including different types, compositions, and shapes of proppants, new technologies to pump and organize proppants downhole such as …
WhatsApp: +86 18221755073
from publication: Optimizing the Lightweight Ceramic Proppants Properties | The paper presents results of sintering proppants parameters and its influence on light ceramic proppants...
WhatsApp: +86 18221755073
Low-density mullite-based ceramic proppants were prepared from recycled coal fly ash, bauxite, and additives (feldspar, talcum, BaCO3, and MnO2). ... Selective laser sintering (SLS) is an additive manufacturing technology which has shown great advantages in direct formation of the polymer, metal and their composites. ...
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Bauxite-based fracturing proppants with high strengths were prepared at sintering temperatures below 1200 °C via the addition of CaO and MnO 2.The effects of CaO and MnO 2 addition on the sintering behavior and the crush resistance of the bauxite-based proppants were investigated. The addition of CaO and MnO 2 promoted the formation of a low-temperature …
WhatsApp: +86 18221755073
Low-density bauxite-based ceramic proppants were prepared at sintering temperatures below 1300°C by adding solid wastes coal gangue and magnesium slag. The addition of solid wastes greatly decreases sintering temperature and preparation cost. The density and strength of ceramic proppants were tested according to the standard, and the ...
WhatsApp: +86 18221755073
The results revealed that at the best sintering condition (1280 °C, holding for 60 min), and a mass ratio (ODCPRs: bauxite: MnO 2 at 3:7:0.1), the well-developed granular corundum and acicular mullite formed inside the proppants and interspersed with each other to form a dense structure.
WhatsApp: +86 18221755073
To recognize the relationship between microwave input power and conventional sintering parameters and to provide a reasonable range for parameters design, proppants were sintered at 800–1200 W for 1–2.5 h, …
WhatsApp: +86 18221755073
The results revealed that at the best sintering condition (1280 °C, holding for 60 min), and a mass ratio (ODCPRs: bauxite: MnO2 at 3:7:0.1), the well‐developed granular corundum and acicular...
WhatsApp: +86 18221755073
Second, the progress of research of coal gangue ceramic proppants is summarized from the perspective of additives, and the influence of different kinds of additives on the sintering temperature and performance of …
WhatsApp: +86 18221755073
The primary focus lies in the meticulous analysis of the mechanical strength of ceramic proppants. The proppant raw material employed is kaolin clay, treated through a dry …
WhatsApp: +86 18221755073
To recognize the relationship between microwave input power and conventional sintering parameters and to provide a reasonable range for parameters design, proppants were sintered at 800–1200 W for 1–2.5 h, setting the highest sintering temperature at 1150°C.
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