management of calcium carbide sludge



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Acetylene Generator : Maine Welding Company
Acetylene Generator : Maine Welding Company

Acetylene Generator NOTE Acetylene generator equipment is not a standard included in this manual for information only a Acetylene is a fuel gas composed of carbon and hydrogen (C 2 H 2), generated by the action of calcium carbide, a gray stonelike substance, and water in a generating unitAcetylene is colorless, but has a distinctive odor that can be easily detected

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CN104817300A - Steam-pressing brick containing sludge ,
CN104817300A - Steam-pressing brick containing sludge ,

The invention discloses a steam-pressing brick containing sludge The steam-pressing brick comprises, by weight, 5-7 parts of cement, 8-10 parts of sludge-dehydrated cement cake, 01-02 part of calcium nitrate, 5-8 parts of carbide slag powder, 4-6 parts of coal ash, 01-03 part of urea, 01-02 part of salt, 1-2 parts of iron ore tailings, 01-02 part of stearic acid, 02-04 part of glass .

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Carbide sludge management in acetylene producing plants by ,
Carbide sludge management in acetylene producing plants by ,

Carbide sludge (104-115 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 plantsThe sludge (of pH 122 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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Compressive Strength and Leaching of Lead in Solidified ,
Compressive Strength and Leaching of Lead in Solidified ,

Compressive Strength and Leaching of Lead in Solidified Battery Waste Sludge using Calcium Carbide Waste and Rice Husk Ash Suthep S 1 *, Pornsuda S 1, Bunlur E 2, Kraichat T 3 1 Department of Environmental Health Sciences, Faculty of Public Health, Mahidol University, Bangkok 10400, Thailand 2 Department of Civil Engineering, Faculty of Engineering, Mahidol University, Putthamonthon, Nakhon .

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Doc 2308/18 - Acetylene, Calcium Carbide, Lime Sludge ,
Doc 2308/18 - Acetylene, Calcium Carbide, Lime Sludge ,

Doc 2308/18Acetylene, Calcium Carbide, Lime Sludge and Purifying Materials Safety training leaflets summarise the basic operational safety knowledge which needs be known by employees working in the gas industry

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Disposing of Carbide Sludge
Disposing of Carbide Sludge

Disposing of Carbide Sludge; Disposing of Carbide Sludge What follows is based on US, and Canadian laws Individual states, provinces, cities, etc may have their own regulations We believe that this information will apply in 98% of all cases but we cannot guarantee it in any individual area

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Application of Reutilization Technology to Calcium ,
Application of Reutilization Technology to Calcium ,

2 sludge contains valuable mineral resources such as silicon dioxide (SiO 2), aluminum oxide (Al 2 O 3), calcium oxide (CaO), iron oxide (Fe 2 O 3), and other oxid The chemical compositions of CaF 2 sludge and waste glass make them quite suitable for use as raw materials to produce structural glass ceramics Other advantages of the .

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Pressure loss characteristics and calculation model of ,
Pressure loss characteristics and calculation model of ,

Dec 17, 2019· Calcium carbide sludge from acetylene production and other industrial processes 1,2 has a high solid content, and its apparent viscosity can reach several thousand Pascal seconds These calcium carbide sludge tailings in industry are also referred to as “dense paste” in this article to describe a sort of material that consists of high solid content and small particles, showing high .

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Comparative study using Portland cement and calcium ,
Comparative study using Portland cement and calcium ,

Calcium carbide resi-due is a by-product of acetylene production process through the hydrolysis of calcium carbide (CaC 2) regarded as a sustainable cementing agent Calcium carbide residue is mainly composed of calcium hydroxide in a slurry form [20–23] In Thailand, the demand of calcium carbide for producing acetylene gas is about

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Water Treatment Sludge–Calcium Carbide Residue Geopolymers ,
Water Treatment Sludge–Calcium Carbide Residue Geopolymers ,

Sep 09, 2017· In this research, water treatment sludge (WTS) calcium carbide residue (CCR) geopolymers were evaluated as a sustainable masonry nonbearing unit The WTS was a by-product from a water treatment plant, whereas CCR was a by-product from an acetylene gas factory in Thailand

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ASCO Safety Bulletin Final v1 - CSB
ASCO Safety Bulletin Final v1 - CSB

Calcium carbide was metered in at a controlled rate based on generator pressure The process was partially automated If the calcium carbide hoppers feeding the generator were kept full the 3 Decomposition is the breakdown of a chemical into less complex molecul Acetylene can decompose violently to a mixture of hydrogen, simple hydrocarbons .

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Doc 2308/18 - Acetylene, Calcium Carbide, Lime Sludge ,
Doc 2308/18 - Acetylene, Calcium Carbide, Lime Sludge ,

Doc 2308/18Acetylene, Calcium Carbide, Lime Sludge and Purifying Materials Safety training leaflets summarise the basic operational safety knowledge which needs be ,

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Repurposing Industrial Waste: Lime Slurry - Rexarc
Repurposing Industrial Waste: Lime Slurry - Rexarc

In the acetylene production process, carbide is mixed with water to produce acetylene, carbide lime or lime slurry, and heat The formula for this process: The final products are suspended in water Thus, when calcium hydroxide mixes with water, it produces CLW Once, the water is evaporated or dried, the lime slurry produced is in solid form

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Wastewater and Sludge | Liquid Lime | The Artesia Companies
Wastewater and Sludge | Liquid Lime | The Artesia Companies

It also enriches the sludge with calcium and magnesium (when dolomitic lime is used), both of which are particularly beneficial for agricultural reuse The design of a sludge management and minimization strategy must aim for reduction at every step of the sludge generation chain:

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Carbide sludge management in acetylene producing plants by ,
Carbide sludge management in acetylene producing plants by ,

Carbide sludge (104-115 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), ,

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Safety Data Sheet - Fisher Sci
Safety Data Sheet - Fisher Sci

Calcium Carbide Created by Global Safety Management, Inc -Tel: 1-813-435-5161 - gsmsds Burn in a chemical incinerator equipped with an afterburner and scrubber but exert extra care in igniting as this material is highly flammableContact a licensed ,

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SAFETY DATA SHEET
SAFETY DATA SHEET

Carbide Lime Slurry Product use :Synthetic/Analytical chemistry Synonym :Activated lime, bell mine, calcium hydrate, carbide lime, generator slurry, hydrated lime, lime cake, limehydrate, lime sludge, lime slurry, lime water, slaked lime, whitewash SDS # :001085 Airgas USA, LLC and its affiliates 259 North Radnor-Chester Road Suite 100

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Carbide sludge management in acetylene producing plants by ,
Carbide sludge management in acetylene producing plants by ,

Carbide sludge (104-115 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 122 and containing Cu, Pb, Fe, Mn, Ni and Zn ions whose concentrati ,

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Coal Washing Wastewater Treatment Process - Screen Factory
Coal Washing Wastewater Treatment Process - Screen Factory

Dec 02, 2019· Calcium carbide slag and PAM coal washing wastewater are a colloidal dispersion system, and the surface of the colloidal particles has strong negative charge Therefore, in the treatment of this kind of coal washing wastewater, coagulant must be added to the wastewater to reduce the potential and destroy the stability of the colloid, so as to .

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CALCIUM CARBIDE | CAMEO Chemicals | NOAA
CALCIUM CARBIDE | CAMEO Chemicals | NOAA

CALCIUM CARBIDE is a reducing agent May react vigorously with oxidizing materials The powdered mixture of the acetylide and iron oxide and iron chloride burns violently upon ignition, producing molten iron Calcium carbide incandesces with chlorine, bromine, or iodine at 245, 350, or 305°C, respectively, [Mellor, 1946, Vol 5, 862]

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(PDF) Carbide sludge management in acetylene producing ,
(PDF) Carbide sludge management in acetylene producing ,

Carbide sludge (104-115 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 122 and containing

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BEFORE THE OHIO ENVIRONMENTAL PROTECTION AGENCY
BEFORE THE OHIO ENVIRONMENTAL PROTECTION AGENCY

manufactured ferroalloys, calcium carbide and lime using submerged arc electric furnac The ferroalloys production ceas ed in the mid 1990s Lime was primarily used internally as a raw material in the carbide furnac 3 Union Carbide sold the Metals Division and approximately 300 acres to Elkem Metals Company, LP on June 30, 1981

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Strength Properties of Remoulded Sludge Stabilized with ,
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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Doc 196/15 - Calcium Carbide Storage and Handling ,
Doc 196/15 - Calcium Carbide Storage and Handling ,

"Acetylene produced from calcium carbide is the most common method of production for EIGA members There are a number of procedures that need to be followed to ensure the safe storage and handling of calcium carbide This publication provides guidance when handling calcium carbide and general recommendations for calcium carbides storage areas

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Carbide lime in acid mine drainage treatment - ScienceDirect
Carbide lime in acid mine drainage treatment - ScienceDirect

Feb 01, 2017· Carbide lime or lime sludge is a waste of acetylene gas process when calcium carbide reacts with water through the hydrolysis process , Carbide lime contains ≈85–95% Ca(OH) 2, ≈1–10% CaCO 3 and 1–3% unreacted carbon and silicates , , The equation that produced carbide lime is ,

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Carbide sludge management in acetylene producing plants by ,
Carbide sludge management in acetylene producing plants by ,

Carbide sludge management in acetylene producing plants by using vacuum filtration By P Ramasamy, S Ibrahim and P Agamuthu Abstract Carbide sludge (104-115 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 .

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Calcium carbide - Wikipedia
Calcium carbide - Wikipedia

Calcium carbide, also known as calcium acetylide, is a chemical compound with the chemical formula of Ca C 2Its main use industrially is in the production of acetylene and calcium cyanamide The pure material is colorless, however pieces of technical-grade calcium carbide are grey or brown and consist of about 80–85% of CaC 2 (the rest is CaO (calcium oxide), Ca 3 P 2 (calcium phosphide .

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Effects Of Addition Of Carbide On Sewage Degradation
Effects Of Addition Of Carbide On Sewage Degradation

Each of the sewage contained 0g (which served as control), 1g, 2g, 5g, 8g and 10g of fresh calcium carbide Samples were collected twice per week for two months for the laboratory tests The results from the tests showed that there was a gradual increase in the percentage of COD and BOD efficiency removal as the quantity of carbide added .

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INDUSTRIAL SOLID WASTE - CPHEEO
INDUSTRIAL SOLID WASTE - CPHEEO

6 Lime sludge 30 Sugar, paper, fertilizer tan-neries, soda ash, calcium carbide industries 7 Mica scraper waste 0005 Mica mining areas 8 Phosphogypsum 45 Phosphoric acid plant, Ammonium phosphate 9 Red mud/ Bauxite 30 Mining and extraction of alumina from Bauxite 10 Coal washery dust 30 Coal mines 11 Iron tailing 1125 Iron Ore

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Application technology of calcium carbide slag: a case ,
Application technology of calcium carbide slag: a case ,

Calcium carbide slag is a by-product from the chlor-alkali chemical industry, from hydrolysis of calcium carbide (CaC 2) for an acethylene gas, polyvinyl chloride, polyvinyl alcohol and other industrial production It contains high amounts of calcium compounds and has the potential for replacing the traditional raw material, limestone, for .

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