water slag and carbide slag

Carbide Slag as Raw Material

2017-9-13 · Carbide slag, also known as calcium carbide residue (CCR), is a by-product of the hydrolysis of calcium carbide. It is commonly generated from the industrial production of ethylene, polyvinyl chloride (PVC) and other products as a solid waste. Currently, it has no value for recovery and is commonly landfilled. At some Chinese plants, this slag is used as an …

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utilization of carbide slag from industrial waste …

30Industrial waste water 31 321. Introduction 33Carbide slag is an industrial waste residue produced by the hydrolysis of 34acetylene[1] by electro lithiasis in the PVC process, and the reaction equations are 35given in Eqs (1) ~ (3). The Carbide slag …

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Preparation of calcium carbonate nanoparticles from …

This study proposes a novel method for simultaneously dealing with the waste carbide slag (WCS) and CO 2 mitigation. In addition, the ultrafine vaterite CaCO 3 with high economic value was produced under mild conditions of 25 °C and 0.1 MPa. Ammonium sulfate ((NH 4) 2 SO 4) was employed to efficiently extract calcium from WCS into the solid phase calcium sulfate …

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Steel slag as low-cost catalyst for artificial photosynthesis …

1  · 1.5 g of steel slag (230 mesh) were placed in a round bottomed flask together with 150 mL of water and 630 mg of Pd(OAc) 2. A solution of …

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【carbide slag supernatant】 ...

2017-7-19 · carbide slag slurry supernatant carbide slag ; ; ; ; powder carbide slag carbide slag field carbide slag clear liquor electro slag melting and casting steel bonded carbide

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Effect of Carbide Slag on Removal of Na+/K+ from Red …

2022-1-27 · As the carbide slag dosage increased from 5 to 50 wt % for 12 h, the residual K 2 O decreased from 0.88 to 0.40 wt %. The residual Na 2 O decreased gradually with increasing carbide slag dosage and leaching time. The decrease of residual Na 2 O was mild at low reaction time, and it became obvious at long reaction time.

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Advances in Materials Science and Engineering

Environmentally friendly and cheap composite green cementitious materials have been prepared from carbide slag, fly ash, flue-gas desulphurisation (FGD) gypsum, and granulated blast-furnace slag (GBFS) without using cement clinker. Orthogonal testing was used to investigate the effects of the raw materials on the amount of water required for reaching standard consistency and …

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Formation mechanism of carbide slag composite sustained …

2021-12-10 · Carbide slag, an industrial waste, is a potential AMD treatment material due to its strong alkalinity. ... This process has low requirements on the …

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Effect of Carbide Slag on Removal of Na + /K + from Red …

2022-1-27 · https://orcid . Europe PMC. Menu. About. About Europe PMC; Preprints in Europe PMC

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Carbide Capacity of CaO–SiO2–MnO Slag for the …

carbide capacity is a function of basicity and the stability of carbide ions in molten slags at a fixed temperature. Even though there are some experimental results for the solubility of carbon in the lime-based slags,5–16) the carbide capacity of the MnO-containing slag is hardly found. The only system containing MnO in view of carbon ...

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6 het Vormen van de Slag van de Fles van het …

Kenmerken: BM-A6 de volledige automatische Machine van het Afgietsel van de Slag van de Fles is geschikt om containers en de flessen van het HUISDIER de plastic in alle vormen te produceren. De Machine van het Afgietsel van de Slag van de fles wordt wijd gebruikt om de sprankelende fles, mineraalwater, de schoonheidsmiddelen van de de …

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Experimental study on engineering properties of fiber …

2022-4-14 · Carbide slag has been used to prepare solidified soil to effectively reduce the stacking and disposal of carbide slag and achieve efficient resource utilization. Because of the significant brittleness and low strength of carbide-slag-stabilized soil, fibers were added to carbide-slag-stabilized soil in this experimental study. The effects of fiber length and fiber …

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Preparation of a novel composite geopolymer based on …

2022-4-11 · Calcium carbide slag is a by-product that is obtained by hydrolyzing calcium carbide to obtain acetylene gas. Its main component is calcium hydroxide. Compared with fly ash, calcium carbide slag is cheaper and more readily available, according to statistics only about $32 per ton of calcium carbide slag.

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Minerals | Free Full-Text | Microstructure and Mechanical …

2022-5-17 · In this paper, the microstructure, mechanical properties, and preparation of geopolymer were investigated. The effects of the proportion of slag and fly ash, the modulus of water glass, and the water–binder ratio on the microstructure, mechanical properties, and preparation of geopolymer were analyzed. The research content of this paper is as follows: …

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Method for producing calcium carbonate by using carbide …

2010-12-31 · The invention provides a method for producing calcium carbonate by using carbide slag. The method comprises the following steps: grinding the carbide slag into 80-100 meshed crude powder; placing the crude powder in a reactor so as to be fully mixed with water; adding excess hydrochloric acid to the reactor so that oxide in the crude powder is converted to …

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Minerals | Free Full-Text | Microstructure and Mechanical …

2022-5-17 · In this paper, the microstructure, mechanical properties, and preparation of geopolymer were investigated. The effects of the proportion of slag and fly ash, the modulus of water glass, and the water–binder ratio on the microstructure, mechanical properties, and preparation of geopolymer were analyzed. The research content of this paper is as follows: …

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slag sand machine

Our slag crushing plant is known for their precision based engineering and is widely utilized for crushing refractory 39 s stone slag coal and a host of other products We completely assure our clients of offering slag crushing plant equipment that is known for its high quality precision and accuracy and long term reliability . Read More

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Application technology of calcium carbide slag: a case …

The water content of wet calcium carbide slag after filter pressing is generally around 30~40 wt%. This causes a strong water retention ability and strong adhesion ability of the calcium carbide slag, which influences the safe operation of subsequent storage, transportation, metering and other equipment. ...

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Recycling and utilization of calcium carbide slag

2022-5-1 · The production of CCS can be divided into wet and dry processes. In the wet process, slag is a mixture of the excess water and Ca(OH) 2 after the reaction of CaC 2 and water to produce acetylene. The dry slag is the Ca(OH) 2 powder with less water content after acetylene is produced by CaC 2 powder and water vapor reaction. As a small amount of acetylene and …

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Methods and systems for utilizing carbide lime or slag

2015-4-23 · Provided herein are methods comprising a) treating a slag solid or carbide lime suspension with an ammonium salt in water to produce an aqueous solution comprising calcium salt, ammonium salt, and solids; b) contacting the aqueous solution with carbon dioxide from an industrial process under one or more precipitation conditions to produce a precipitation …

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Expansive soil modified by iron tailing sand and calcium …

2022-6-29 · Expansive soil encounters large changes in strength and volume with the water content alteration for rich in hydrophilic montmorillonite minerals. It can be physically/chemically modified to suppress the water sensitivity by mixing with recycled industrial by-products (iron tailing sand and calcium carbide slag in this case) as the backfilling material of subgrades for …

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Carbide Slag Recycling Solution

The chemical analysis of ferrosilicon particle slag in calcium carbide slag contains Si25-30%, iron content above 70%, specific gravity greater than 6.5g/cm3, and density difference from calcium carbide slag average volume is 1.8-2.2g/cm3, …

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Comprehensive Utilization of Carbide Slag | SpringerLink

2019-5-23 · Carbide slag is dehydrated, dried, and burnt at 800–900 °C to prepare high-activity calcium oxide, which can be used in fields, of building material. After pretreating carbide slag, NaOH is added in a certain proportion. The mixture is dissolved in water and chlorine is introduced to prepare bleaching powder. 2.

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Effects of carbide slag, lodestone and biochar on the …

Effects of carbide slag, lodestone and biochar on the immobilization, plant uptake and translocation of As and Cd in a contaminated paddy soil Environ Pollut. 2020 Nov;266 (Pt 1 ... 3 Institute of Soil and Water Resources and Environmental Science, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou, 310058, ...

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Nano-CaCO3 synthesis by tangential jet from carbide slag

2021-9-8 · The high alkalinity of carbide slag will make the land and water alkalized, and the small particle size could cause air pollution [13, 14]. To synthesis nano calcium carbonate with high added value through carbide slag can not only solve the environmental pollution caused by simple accumulation or landfill of carbide slag to soil and water ...

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Expansive soil modified by iron tailing sand and calcium …

2022-6-29 · With the increase in calcium carbide slag content, the water stability coefficient of modified soil also increases. The pore size distribution was of …

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A mild route for the preparation of calcium carbonate rod …

2021-1-20 · The carbide slag was provided by CNSG Anhui Hong Sifang Co., Ltd. Figure 1 shows the process flow chart for the preparation of calcium carbonate from carbide slag. In a typical process, 417.5 g of NH 4 Cl and 338 g of carbide slag were thoroughly mixed in 2000 mL of deionized water via vigorous stir and reacted for 1 h under ambient temperature.

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Application of carbide slag-DynaWave scrubber process in …

The upgrade and retrofit of the tail gas dusulphurization system with carbide slag-DynaWave scrubber process in Baotou Huading''s 360 kt / a metallurgical acid plant are described,with respects to its process choice,flow optimization and equipment allocation. The trial operation showed a steady equipment running with 91. 89% of desulphurization efficiency,33. 6-150 mg …

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Utilization of Carbide Slag by Wet Grinding as an …

The WGCS-CSA system was designed, in which the replacement ratio of CSA by carbide slag was chosen as 4%, 8% and 12%. The setting time and compressive strength were measured, and the mechanism of the system hydration was studied in detail by means of calorimetry, XRD, thermogravimetry (TG) and SEM. The results showed that WGCS shortened the ...

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