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Reaction of Lignite and Oxygen at Low Temperature: Heat of Reaction and Rate of Oxygen Consumption
Authors
Duane M. Sanderson
Publication date
1 August 1966
Publisher
UND Scholarly Commons
Abstract
the rate heat of oxidation for Ugalte la 90* C were studied as function© of tesaoeratura* content and prior ceddatioa. The oqpariMRltai procedures Involved passing oxygon throu^x a prepared eanple la an adiabatic calorimeter and aaaaurlag the t®aperatare riee and oxygen eoasuaed foe* a given time* ¥h« heat of oxidation asrooared to increase vith incroaninr, tersnerature. At 20* C, value© vera sporadic and ramiod down to 23.550 ^j|2^83n2 compared to values of 35,000 + 9,6GG and 89,000 ♦ 9,600 at 60* and 90* respectively. The low values at 20* C are attributed to the oocurraae© of increased nhysioal adsorption ZyQA\u27bS.V’B to Ctl£S%Lco3. X^JftCtiOKk • At 20* C the smallest particle aia* of 0.125 to 0,036 inches gave low values for the heat of reaction (23,500 and 2^,800 calories per &rm aole osygan), while larger site© produced values greater than 70,8*»Q, The lor values are attributed to greater physical adsorption in the «*+i\u27*\u3c**• sines corresponding to Increased KOTC®SF« ^ti2l6 • -\u27V ■ *» Jtjt «*+i\u27*\u3c**• sines corresponding to Increased KOTC®SF« ^ti2l6 • -\u27V ■ *» Jtjt !«■ J~h .-» ,-. r-. J| M a- A\u27 n j, j~\u3e -vioul \u3e JTL ft -
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Last time updated on 07/10/2021