Upgrading of qualitative characteristics of Yakutia brown coals

Slovak brown coals as a feedstock

Slovenské hnedé uhlie ako surovina pre výrobu aktívneho koksu V článku sa venuje pozornosť možnostiam výroby aktívneho koksu zo slovenského hnedého uhlia Bane Cígeľ. Príprava aktívneho koksu bola uskutočnená v laboratórnych podmienkach a v poloprevádzke. Surové uhlie sa podrobilo vysokoteplotnej pyrolýze v retorte s pevným roštom, v klasickej rotačnej peci, ako aj vo fluidnom reaktore. Následne...

Upgrading Selected Czech Coals for Home and Industrial Heating

Washability Characteristics of British Columbia Coals

As part of the British Columbia Geological Survey Branch’s Coal Quality Pmject, washability characteristics of coals from all parts of the province are being compiled (see manuscript S-l, this volume, for descriptions of other ongoing coul quality studies). The interpretation of these data will provide insight into the geological basis of washability. and hopefully provide practical information...

upgrading the qualitative characteristics of mixed recycled onp and omg pulps with hemicellulase

enzymatic deinking has been suggested as an environmentally friendly alternative to complement and replace for conventional chemical deinking. in the present research, the effect of hemicellulase from aspergillus niger has been evaluated on paper quality of mixed 70% old newspaper (onp) and 30% old magazine (omg) pulp. hemicellulose was used at different charges of 0.1 (h1), 0.2 (h2), 0.5 (h3) ...

Evaluation the Effects of Superabsorbent on Qualitative Characteristics of Lawn

Water sources optimizing required a suitable irrigation program. Different material can use to increase water use efficiency. Superabsorbent is one of the materials where used in around the world. These materials put in the soil and absorb water so that reserved water is usable by plant in the time of drought stress and they can reduce stress and lead to prevent yield loss. Therefore, the exper...