(PDF) The diversity of hydrogen-producing bacteria and …

anogens than is coal rank, as seen in the Jiaozuo (C8) sample. Coal bed temperatures between 25 and 27 ... Coal no. Location Fe/mg Kg − 1 Co/μg Kg − 1 Ni/μg Kg − 1 C1 Yima 2235.33 1289.75 ...

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 · Weighed sample (ca. 250 mg) was heated in a Ni vessel and the CO 2 and H 2 O release monitored online (). Based on three reference materials: cellulose, DPM and limestone (NIST SRM 88b), the heating cycles were: (i) 110–350 °C (at 70 °C min −1 , dwell period 2.5 min), (ii) 100 °C min −1 to 540 °C (dwell period 2 min) and to (iii) 1000 °C (at 120 °C min −1 , dwell time 40 s).

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Coal Mill with Stopp Units/Mt Clinker 42.8 48.9 54.2 53.3 Kiln with Stopp Units/Mt Coal 19.59 21.24 22.09 21.6 Upto Clinker excl Stopp w/o services Units/Mt Clinker 43.5 45.1 47.0 45.72 ...

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In this Toolbox, measurements of DPM are expressed in micrograms (mg) per cubic meter of air. A microgram is one millionth of a gram. However, in many references, you may see the DPM measurements expressed as milligrams (mg) per cubic meter of air. A1

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Introduction

As seen in Fig. 4, at concentrations greater than 10 mg m −3 (MSHA's nuisance dust standard for non-coal mines) metal mine dust resulted in Airtec readings around 100 μg m −3 in the absence of DPM and if no size selector was used.

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