fixed carbon

fixed carbon

[¦fikst ′kär·bən]
(chemistry)
Solid, combustible residue remaining after removal of moisture, ash, and volatile materials from coal, coke, and bituminous materials; expressed as a percentage.
References in periodicals archive ?
However, the amount of bark and fines and fines alone did appear to influence the percent fixed carbon (bark and fines: [r.sup.2] = 0.6, P < 0.001; fines: [r.sup.2] = 0.7, P < 0.001).
It could be approximately subdivided into three stages: the first stage (135-380 [degrees]C) is the release and combustion of volatile substances of CS, the second stage (380-560 [degrees]C) is the co-combustion of fixed carbon of CS and volatiles of SC, and the third stage (560-700 [degrees]C) is the combustion of fixed carbon of SC.
These samples were tested by applying standard method for the determination of moisture contents, ash contents, volatile matter, fixed carbon, sulfur and gross calorific value.
He adds: "In lower-temperature applications, only the volatile carbon is extracted, leaving the fixed carbon behind as ash or particulate matter.
They are the dominant plants over large areas and are a major storer of fixed carbon, especially in the north.
Labour has remained a supporter of emissions trading scheme and promotes the reduction of the fixed carbon price to a floating price.
CV (adb) 6,957 Kcal/kg, Total Moisture 7.7%, Inherent Moisture 4.8%, Sulphur 0.75%, Ash 11%, Fixed Carbon 41.7% and Volatile Matter 42%.
Porsche's new GT3 Porsche took the wraps off its latest GT3 at the Geneva Motor Show, with its new aerodynamic body inclusive of a more aggressive front bumper, additional air intakes and fixed carbon fiber rear wing.
Coal has the following basic values for consideration: volatile matter, which is the igniter for the fixed carbon in the coal, the ash content, the sulphur content and, lastly, the water content.
From the STA results, the moisture, volatile matter, fixed carbon, and ash contents can be obtained where each parameter is represented as a weight loss percentage from the total weight of the sample.
For those unfamiliar with algae, they include the ubiquitious diatoms that are some of the most prodigious primary producers on our planet, accounting for up to 40% of the annual fixed carbon in the marine environment.
A fixed carbon tax of $23/mt will be imposed on Australia's top 500 polluters from July 2012.