Recent advances in dust control technology on South ...

Recent advances in dust control technology on South African underground coal mines Bharath K Belle CSIR Miningtek, Jan Du Plessis Gold Fields Limited Introduction Coal production of the South African mining industry has evolved from manual mining (hand-got, pick and shovel, tubs, rails and endless rope haulages) of 1940s to mechanized mining, the

Proximate Analysis of Coal and Coke using the STA 8000 ...

The STA8000 Simultaneous Thermal Analyzer (STA) is able to analyze coal and coke to obtain Proximate Analysis data ... ranking these products the need for good methods is obvious. To meet these ... Results for coal standard AR-1720. Sample Wt Volatiles Carbon …

The influence of added potassium compounds on the swelling ...

province, South Africa. < 75 µm and vacuum sealed. Demineralized using a HCl/ HF/ HCl acid leaching technique [9]. Demineralized coal dried under vacuum at 60°C and stored in a desiccator under N 2 XRF analyses - ASTM D4326 standard method. Free swelling indices - ISO 501: 2003 standard method.

Coal characterisation: conventional coal analyses

Coal characterisation: conventional coal analyses ... Furthermore the No. 2 seam has formed the backbone of the South African coal industry for over a century and is reaching its limit due to extensive mining. Currently, several collieries are ... A description of the standard methods used for the conventional analyses is provided in Appendix A ...

Recent advances in dust control technology on South ...

Recent advances in dust control technology on South African underground coal mines Bharath K Belle CSIR Miningtek, Jan Du Plessis Gold Fields Limited ... With this sampling method, the worker wears the sampling train (cyclone, pump, tube, and sample filter) for the entire shift (bank to

south african standard method coal sample preparation

how to coal sampling under south african standard method, south african standard method coal graphite mining process plant and beneficiation of graphite grinding Cachedgold mining, Preparation Method: Coal Sample, Inquiry; USGS Bulletin 1823 - Methods for Sampling and Inorganic,

BS 1017-1:1989 - Sampling of coal and coke. Methods for ...

Purchase your copy of BS 1017-1:1989 as a PDF download or hard copy directly from the official BSI Shop. All BSI British Standards available online in electronic and print formats. ... Sampling of coal and coke. Methods for sampling of coal Status : Superseded, Withdrawn ... We can source any standard from anywhere in the world. Find out more ...

NEW ANALYTICAL METHODS FOR DETERMINING TRACE …

NEW ANALYTICAL METHODS FOR DETERMINING TRACE ELEMENTS IN COAL ... standard methods do not have the necessary accuracy to specify the levels of environmentally ... method was validated using South African reference coals as demonstrated by the following results. Table 3.

how to coal sampling under south african standard method

the methods of sampling, preparation, and analysis for coal petrography are the subject of standard methods elaborated by a working group within ISO (International Organization ... latter is a term strictly used for South African coals to describe a low-reflecting form of

Surface and bulk characterization of an ultrafine South ...

Surface and bulk characterization of an ultrafine South African coal fly ash with reference to polymer applications. ... operated at an acceleration voltage of 1 kV, was used under dry high-vacuum condition to observe the morphology of ... chemical and morphological properties of a South African coal fly ash sample classified as ultrafine were ...

Chapter 4: Coal characterisation - DSPACE

characterisation of the coal, is discussed. The origin of the coal sample is briefly discussed in Section 4.2. In Section 4.3 the methods used for the preparation of coal samples for ... along with the ISO standard for each method. Table 4.2: Coal characterisation procedures ... specific South African coal. According to Pinheiro (1999), the ash ...

how to coal sampling under indian standard method

Assessment of coal quality.98 Мб. The volatile matter of coal is determined under rigidly controlled standards.Indian Standard:436 Part 1/Sec 1, 1964, Methods for Sampling of Coal and Coke, Sampling, Bureau of Indian Standards, New Delhi.

Characterization of coal using electron spin resonance ...

separation following South African National Standard (SANS ... a vitrinite-rich sample of the same coal from. ... for certain inertinite macerals in a No. 4 Seam Upper Witbank coal, South Africa.

The preparation of activated carbon from South African coal

The preparation of activated carbon from South African coal . ... raw coal was the sample activated at 800°C and 2 hours, ... The preparation of activated carbon from South African coal .

Adsorptive removal of various phenols from water by South ...

South African coal fly ash behaved very differently from other ... characteristics of the material were determined using standard procedures, and are summarised in Table 1. Instrumental methods ... sample integrity under the vacuum and a consistent surface to receive the X …

USGS Bulletin 1823 - Methods for Sampling and Inorganic ...

METHODS FOR SAMPLING AND INORGANIC ANALYSIS OF COAL U.S. Geological Survey Bulletin 1823. Edited by D.W. Golightly and F.O. Simon. This manual presents a collection of detailed procedures used in geochemical laboratories of the U.S. Geological Survey for the chemical characterization of coal.

KINETICS OF PYROLYSIS AND COMBUSTION OF A SOUTH …

SOUTH AFRICAN COAL USING THE DISTRIBUTED ACTIVATION ENERGY MODEL ... model-free method to calculate the E of coal combustion. However, the calculation of the A ... • Members of the Coal and Carbon Research Group, University of the Witwatersrand, for assistance with sample …

Proximate and Ultimate Analysis | Mining | SGS

SGS experts determine the amount of moisture in your samples by measuring the loss in mass between an as-mined sample and a sample that has been heated under controlled conditions to drive off the water that is not contained within the chemical structure of the coal.

Handbook for Methane Control in Mining

12–1. Flammable limits for mixtures of methane and coal dust ..... 149 13–1. Relation between quantitative composition and explosibility of mixtures of methane and air ..... 154 13–2. Examples of methane emission as reported in South African metal/nonmetal mines ..... 162 14–1.

Surface and bulk characterization of an ultrafine South ...

The surface, chemical and morphological properties of a South African coal fly ash sample classified as ultrafine were obtained by using a number of analytical techniques. XRD analysis has shown that 62% of the fly ash is in the amorphous glass phase, and that the main crystalline phases are mullite and quartz.

Coal assay - Wikipedia

The volatile matter of coal is determined under rigidly controlled standards. In Australian and British laboratories this involves heating the coal sample to 900 ± 5 °C (1650 ±10 °F) for 7 min. Ash. Ash content of coal is the non-combustible residue left after coal is burnt.

Coal Sampling and Analysis Standards

Coal sampling and analysis standards ... South Africa, Thailand, the UK and the USA. The Service provides information and assessments on all aspects of coal ... coal under service ...

COAL QUALITY FOR TRADE AND UTILISATION - Foundation

COURSE 1 – COAL SAMPLING – DAY 1 Methods, Applications and Limitations of Sampling in Industry Date: 13 February 2012, 09:00 – 17:00 ... Coal Petrography - organic and inorganic constituents in coal, rank determination, condition ... Marketing of coal in South Africa and the impact of coal quality on final products. Prof R Falcon,

Coal Analysis, Sampling & Testing at Standard Laboratories

Browse Coal Analysis, Sampling, and Testing in the Standard Laboratories, Inc. catalog including Item Name,Description, ... Trained and experienced crews are immediately available to obtain coal samples under all types of coal sampling situations; ... Standard Laboratories, Inc 147 11th Avenue, Suite 100 South Charleston, WV 25303 Phone: 888 ...

Ultimate and Proximate Analysis for Coal at Standard ...

Browse Ultimate and Proximate Coal Analysis in the Standard Laboratories, Inc. catalog including Item #,Item Name,Description ... is dependent on quantitative analysis of various elements present in the coal sample, such as carbon, hydrogen, sulfur, oxygen, and nitrogen. ... To learn more about our ultimate and proximate coal analysis services ...

A comparison of air emissions of thermal power plants in ...

unfounded grab sampling, and made in a climate characterised by the absence of a broadly under-standable 'big picture'. It is the purpose of this paper to put some per-spective into this big picture by preparing a com-parison of total and specific (per kWh) emissions of priority air pollutants and CO2 from South African

Sampling in the South African minerals industry - SciELO

Sampling in the South African minerals industry forefront of concerns. Firstly, the unbundling of mineral ... be supported by disclosure of sampling methods, sample preparation, analyses, quality assurance and quality control, ... ferrous metals, and coal, and these are shown with their primary sales values for 2009 in Figure 1. South Africa ...

Coal Analysis, Sampling & Testing at Standard Laboratories

2. Ensure that the sample does not undergo any chemical or physical changes after completion of the sampling procedure and during the storage prior to analysis. Sampling services include: Trained and experienced crews are immediately available to obtain coal samples under all types of coal sampling …