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carbide sludge cement plant

Carbide sludge management in acetylene producing plants by

Carbide sludge (10.4-11.5 tonnes day(-1)) is generated from the reaction of calcium carbide (900 kg) and water (6,000 L) in the production of acetylene (2,400 m3), in three selected acetylene manufacturing plants. The sludge (of pH 12.2 and containing Cu, Pb, Fe, Mn, Ni and Zn ions whose concentrati

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Carbide sludge management in acetylene producing plants by

Carbide sludge (10.4-11.5 tonnes day(-1)) is generated from the reaction of calcium carbide (900 kg) and water (6,000 L) in the production of acetylene (2,400 m3), in three selected acetylene

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Utilization of Silicon Carbide Sludge as Metakaolin-Based

Therefore, SiC sludge can be used as a raw material in producing silicon carbide sludge metakaolin-based (SCSMB) geopolymers. Inorganic polymer (geopolymer) is a cementation material that can be used as an alternative to ordinary Portland cement. Geopolymers are mostly formed by mixing silicate aluminum sources

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Application technology of calcium carbide slag: a case

May 06, 2020· Because the cement plant SXBY is a co-production enterprise of SXBYCHEM, the cement clinker production lines and salt chemical production workshops are in the same yard. The Cl content of the calcium carbide slag used in the SXBY is relatively low and stable, which can meet the production of 100 % calcium carbide slag.

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Characteristic of Concrete Using Acetylene Sludge as a

from industrial plants. Since acetylene sludge waste has a baling and mortar properties as well as lime derivative acetylene sludge, concrete, compressive strength test, toxicity characteristic Calcium carbide sludge can improve the flexural strength of the autoclaved fly ash brick. When the content

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The influence of sapphire substrate silicon carbide sludge

2.1.2 Silicon carbide sludge of sapphire substrates. The SCS was obtained from the LEDs substrates manufacturing plant in northern Taiwan. Chemical composition of the SCS were 75.4% SiO 2, 23% SiC, and 0.8% Al 2 O 3 (Table 1). 2.1.3 Sodium silicate solution. A commercial Na 2 SiO 3 solution, Ms = 3.1 (SiO 2 = 28.1%, Na 2 O = 9.09%, H 2 O = 62.8

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The influence of sapphire substrate silicon carbide sludge

processing plants, almost halfofthesiliconiswasted.1,2 This silicon slurry waste (silicon carbide sludge [SCS]) increases not only the cost of silicon wafer fabrication, but also environmental pollution. Thus, the recycling of such SCS materials is crucial for resource reutilization and environmental protection.

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The use of industrial sludges as raw materials in the

Sep 01, 1986· The addition of treated industrial sludge to kiln feed does not have an appreciable effect on the cement-plant chimney dust, and reduces operating cost, without affecting the properties of the product (clinker) and the plant's operating stability. Key Words--cement plant, chimney emissions, industrial wastes, waste treatment, waste re-use

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Recovery of pure slaked lime from carbide sludge: Case

Recovery of pure slaked lime from carbide sludge: Case study of Lagos state, Nigeria. Chukwudebelu, J.A.*, Igwe, C.C., Taiwo, O.E., and Tojola, O.B. Federal Institute of Industrial Research Oshodi, Lagos State. Accepted 20 May, 2013 Carbide sludge is the by-product of reaction between calcium carbide and water in the production of

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What is being done regarding toxic waste at Union Carbide

The National Council for Cement and Building Materials conducts technical study of co-processing sludge of UCIL in cement plants and recommends blended sludge at rate of 2 per cent in kiln. It is agreed that the trial run would be completed by December 2009 and

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Carbide sludge management in acetylene producing plants by

Carbide sludge (10.4-11.5 tonnes day-1) is generated from the reaction of calcium carbide (900 kg) and water (6,000 L) in the production of acetylene (2400 m 3), in three selected acetylene manufacturing plants.The sludge (of pH 12.2 and containing Cu, Pb, Fe, Mn, Ni and Zn ions whose concentrations exceed the Department of Environment limits for industrial wastewater) was treated by vacuum

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Utilization of Silicon Carbide Sludge as Metakaolin-Based

Therefore, SiC sludge can be used as a raw material in producing silicon carbide sludge metakaolin-based (SCSMB) geopolymers. Inorganic polymer (geopolymer) is a cementation material that can be used as an alternative to ordinary Portland cement. Geopolymers are mostly formed by mixing silicate aluminum sources

More

Carbide sludge management in acetylene producing plants by

Dec 01, 2002· Carbide sludge (10.4-11.5 tonnes day-1) is generated from the reaction of calcium carbide (900 kg) and water (6,000 L) in the production of acetylene (2400 m 3), in three selected acetylene manufacturing plants.The sludge (of pH 12.2 and containing Cu, Pb, Fe, Mn, Ni and Zn ions whose concentrations exceed the Department of Environment limits for industrial wastewater) was

More

Utilization of Silicon Carbide Sludge as Metakaolin-Based

The recycling of SiC sludge material is crucial for resource reutilization and environmental protection. In the current study, the effect of the mass ratio between the Na2SiO3 and sodium hydroxide (NaOH) solutions (NS/SS ratio) and the effect of SiC sludge on metakaolin geopolymers was comprehensively investigated to determine the underlying performance of the geopolymerization system.

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Carbide sludge management in acetylene producing plants by

Carbide sludge (10.4-11.5 tonnes day -1) is generated from the reaction of calcium carbide (900 kg) and water (6,000 L) in the production of acetylene (2400 m 3), in three selected acetylene manufacturing plants. The sludge (of pH 12.2 and containing

More

The influence of sapphire substrate silicon carbide sludge

2.1.2 Silicon carbide sludge of sapphire substrates. The SCS was obtained from the LEDs substrates manufacturing plant in northern Taiwan. Chemical composition of the SCS were 75.4% SiO 2, 23% SiC, and 0.8% Al 2 O 3 (Table 1). 2.1.3 Sodium silicate solution. A commercial Na 2 SiO 3 solution, Ms = 3.1 (SiO 2 = 28.1%, Na 2 O = 9.09%, H 2 O = 62.8

More

The influence of sapphire substrate silicon carbide sludge

processing plants, almost halfofthesiliconiswasted.1,2 This silicon slurry waste (silicon carbide sludge [SCS]) increases not only the cost of silicon wafer fabrication, but also environmental pollution. Thus, the recycling of such SCS materials is crucial for resource reutilization and environmental protection.

More

Use of Sewage Sludge in Cement Industry BioEnergy Consult

May 28, 2020· The sludge may undergo one or several treatments resulting in a dry solid alternative fuel of a low to medium energy content that can be used in cement industry. The use of sewage sludge as alternative fuel is a common practice in cement plants around the world, Europe in particular.

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Strength Properties of Remoulded Sludge Stabilized with

Abstract—The sludge is characterized by weak water permeability, low strength and high compressibility. In order to reduce environmental pollution and utilize waste resource, calcium carbide residue(CCR) gained from acetylene plants was used for stabilization of remoulded sludge. Based on unconfined

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What is being done regarding toxic waste at Union Carbide

The National Council for Cement and Building Materials conducts technical study of co-processing sludge of UCIL in cement plants and recommends blended sludge at rate of 2 per cent in kiln. It is agreed that the trial run would be completed by December 2009 and

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KR970001452B1 Method for treatment of sludge from

Strongly alkaline sludge which is obtained by mixing calcium carbide with water is added with nitric acid to give calcium nitrate solution, which is mixed with caustic soda to give calcium hydroxide and sodium nitrate. The calcium hydroxide is contacted with carbon dioxide to give calcium carbonate. And the calcium nitrate solution from carbide sludge is mixd with alkaline dye waste water to

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Conversion to Activated Sludge at Union Carbide's

plant was $1.8 million. This capital investment is equivalent to about $27/ lb ($59.50/kg) daily BOD removal. Total operating costs of the activated sludge system, which include labor, power, and materials, have been $0,025 /lb ($0.055/kg) BOD removal. Activated Sludge Performance Average treatment-plant perform ance data for a one-year operating

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Management of waste sludge from waste water treatment plants

Co-incineration when sludge is used as a fuel in plants whose purpose is the generation of energy or production of material products such as coal power plants or cement plants, Alternative process: wet oxidation, pyrolisis, gasification, pyrolisis-gasification, pyrolisis-combustion. Expensive disposal option for sludge

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Oxygen Activated-sludge Wastewater Treatment Systems

Union Carbide's scope of supply includes the oxygen-generation plant, the equipment for oxygen dissolution, and the instrumentation and controls to integrate this equipment into the activated-sludge process. Union Carbide does not supply concrete tanks or covers, clarifiers, liquid pumps and controls, or any sludge-handling and disposal

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