calcium carbide production emissions

calcium carbide production emissions

CO2 emissions in calcium carbide industry: An analysis of ...

2011-9-1 · Process flow and CO 2 emission pattern diagram for calcium carbide manufacturing. Based on the emission analysis above, to study CO 2 emissions of calcium carbide production three sequential processes are classified: feedstock preparation, calcium carbide

Emission Problems and Opportunities from Calcium

2011-4-29 · Producing calcium carbide leads to various emissions to the air, of which the most problematic is the particulate matter (PM). The company currently has insufficient air pollution control, resulting in high particulate matter emissions.

Emission Factor Documentation for AP-42 Calcium

2015-9-10 · Emissions from calcium carbide manufacturing include particulate matter (PM), sulfur oxides(SOx), CO,2, andCO hydrocarbons. Particulate matter is emitted from a variety of equipment andoperations in the production of calcium carbide, including the coke dryer, lime kiln, electric furnace, tapfume vents, furnace room vents, primary and secondary crushers, and conveying equipment.

CO2 emissions in calcium carbide industry: An analysis of ...

In this study, we attempt to assess the reduction potential of CO2 emissions in China's calcium carbide production, based on the analysis of CO2 emission patterns and estimation of the emission amount. Three scenarios regarding process improvement are employed to conduct this assessment. The results imply that the cumulative CO2 abatement in ...

CO2 emissions in calcium carbide industry: An analysis of ...

China's calcium carbide output has dominated the global market for several years, driven by the demand for PVC (polyvinyl chloride), a fundamental polymer material and also the primary downstream product of calcium carbide in China. The fast growth of this energy-intensive industry leads to an inevitable increase in CO 2 emissions.

AP42 Section: 11.4 Calcium Carbide Manufacturing Title ...

2015-9-10 · Emissions from calcium carbide manufacturing include particulate matter (F’M), sulfur . oxides (SOx),, CO, CO,, and hydrocarbons. Particulate matter is emitted from a variety . of . equipment and operations in the production . of . calcium carbide,

11.4 Calcium Carbide Manufacturing - EPA

2021-6-25 · Emissions from calcium carbide manufacturing include particulate matter (PM), sulfur oxides(SOx), CO, CO2, and hydrocarbons. Particulate matter is emitted from a variety of equipment andoperations in the production of calcium carbide including the coke dryer, lime kiln, electric furnace,tap fume vents, furnace room vents, primary and secondary crushers, and conveying equipment.(Lime

National carbon emissions from the industry process ...

2016-3-15 · Emissions from calcium carbide production constituted the third largest contribution, constituting 24% of total industrial process emissions. The contributions from glass production and soda ash production are relatively small, namely 1.7% and 1.4%, respectively.

A STEP CHANGE IN CALCIUM CARBIDE PRODUCTION

2015-6-15 · In contrast, most existing calcium carbide plants in China have major off-gas and fugitive emissions. Fugitive emissions in these applications are often a consequence of manual handling of feed and especially the fume emanating from the calcium carbide tapping operation.

CO2 emissions accounting for the chemical industry: an ...

2019-3-4 · The production of ammonia, ethylene and calcium carbide generated approximately half of the total CO2 emissions in 2016. In addition, in view of emission sources and carbon source flow, two other bottom-up accounting methods are proposed that can take

CO2 emissions in calcium carbide industry: An analysis of ...

In this study, we attempt to assess the reduction potential of CO2 emissions in China's calcium carbide production, based on the analysis of CO2 emission patterns and estimation of the emission amount. Three scenarios regarding process improvement are employed to conduct this assessment. The results imply that the cumulative CO2 abatement in ...

CO2 emissions in calcium carbide industry: An analysis of ...

The total production of ammonia, caustic soda, PVC and calcium carbide accounts for 27% of main chemicals production, reaching 57 Mt, 32Mt, 16Mt and 25Mt, respectively, at the end of 2014 (see Fig ...

(674b) Alternative Production of Calcium Carbide | AIChE

2012-11-1 · With the global production of calcium carbide exceeding 15 million tons per year, CO 2 emissions to the atmosphere exceed 8 million tons per year. In addition to this issue, for each metric ton of calcium carbide produced, the actual energy consumed is from 3000 to 3800 kWh which differs significantly from the theoretical energy requirement of ...

Analysis on the CO2 Emission of Calcium Carbide Sludge

With the development of economy, China has become one of the largest cement producers in the world. However, cement industry is a main contributor of global carbon emissions. Substituting calcium carbide sludge for limestone is an effective method for CO2 emission

(PDF) 1.4 Calcium Carbide Manufacturing | Naren VA ...

11.4.2 Emissions And Controls Emissions from calcium carbide manufacturing include particulate matter (PM), sulfur oxides (SOx), CO, CO2, and hydrocarbons. Particulate matter is emitted from a variety of equipment and operations in the production of calcium carbide including the coke dryer, lime kiln, electric furnace, tap fume vents, furnace ...

EMEP/EEA air pollutant emission inventory guidebook 2016

2019-11-4 · Adipic acid production is relevant for emissions of greenhouse gases (N 2 O) but not considered significant for other air emissions included in the protocols. 2.1.4 Calcium carbide production (source category 2.B.5) Calcium carbide (CaC 2) is manufactured by heating a lime and carbon mixture up to 2100 °C in an electric arc furnace.

CO2 emissions accounting for the chemical industry: an ...

2019-3-4 · The production of ammonia, ethylene and calcium carbide generated approximately half of the total CO2 emissions in 2016. In addition, in view of emission sources and carbon source flow, two other bottom-up accounting methods are proposed that can take

RoC Profile: Coke-Oven Emissions; 14th RoC 2016

2021-8-22 · occur during the production of coke from coal or the use of coke to extract metals from ores, to synthesize calcium carbide, or to man-ufacture graphite and electrodes. Workers at coking plants and coal tar production plants, as well as people who live near these plants, have a high risk of possible exposure to coke-oven emissions. In 1970,

On the application of calcium carbide slag as CO2

Carbide slag, also known as calcium carbide residue, 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. 1 t of calcium carbide reaction with water generates more than 300 kg

中国人民大学应用经济学院

2021-8-27 · CO 2 emissions in calcium carbide industry: An analysis of China’s mitigation potential. International Journal of Greenhouse Gas Control, 2011, 5(5): 1240-1249. Bing Zhu, Wenjun Zhang, Jian Du, Wenji Zhou, Tong Qiu and Qiang Li.

CO2 emissions in calcium carbide industry: An analysis of ...

In this study, we attempt to assess the reduction potential of CO2 emissions in China's calcium carbide production, based on the analysis of CO2 emission patterns and estimation of the emission amount. Three scenarios regarding process improvement are employed to conduct this assessment. The results imply that the cumulative CO2 abatement in ...

CO2 emissions in calcium carbide industry: An analysis of ...

The total production of ammonia, caustic soda, PVC and calcium carbide accounts for 27% of main chemicals production, reaching 57 Mt, 32Mt, 16Mt and 25Mt, respectively, at the end of 2014 (see Fig ...

Introduction - Emission Factors - Climate Policy Watcher

2020-2-17 · Greenhouse gas emissions are associated with production of silicon carbide (SiC) and calcium carbide (CaC2). The production of carbide can result in emissions of carbon dioxide (CO2), methane (CH4), carbon monoxide (CO) and sulphur dioxide (SO2). Silicon carbide is a

INNOVATIVE ENERGY EFFICIENCY AND EMISSION

per ton. 4 Therefore, the calcium carbide–based method, with its energy security and cost efficiency advantages, dominates the PRC’s PVC production. 8. Energy efficiency penalty and environmental burden of calcium carbide–based PVC production. Although the calcium carbide–based technology is technically simple, and

Mercury transformation and distribution across a polyvinyl ...

The production of polyvinyl chloride (PVC) via the calcium carbide process utilizes a catalyst containing large amounts of mercury (Hg) and is therefore one of the most important sources of anthropogenic Hg in China. To measure the emission of Hg from PVC production, we established a flowchart for t

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

After the production line is put into operation, the application production of 100% calcium carbide slag instead of limestone will reduce the production line’s CO 2 emissions by more than 400 000 t/a, which is beneficial for the protection of the atmospheric

CO2 emissions accounting for the chemical industry: an ...

2019-3-4 · The production of ammonia, ethylene and calcium carbide generated approximately half of the total CO2 emissions in 2016. In addition, in view of emission sources and carbon source flow, two other bottom-up accounting methods are proposed that can take

On the application of calcium carbide slag as CO2

Carbide slag, also known as calcium carbide residue, 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. 1 t of calcium carbide reaction with water generates more than 300 kg

中国人民大学应用经济学院

2021-8-27 · CO 2 emissions in calcium carbide industry: An analysis of China’s mitigation potential. International Journal of Greenhouse Gas Control, 2011, 5(5): 1240-1249. Bing Zhu, Wenjun Zhang, Jian Du, Wenji Zhou, Tong Qiu and Qiang Li.

Carbon Monitor, a near-real time daily dataset of global ...

2020-6-15 · emissions, except for the emission from land use change (up to 10% of global CO 2 emissions) and non-fossil fuel CO 2 emissions of industrial products (up to 2% of global CO emissions)26 in addition to cement and clinker (i.e. plate glass, ammonia, calcium carbide, soda ash, ethylene, ferroalloys, alumina, lead and zinc etc.).