|
| << vorige | volgende >> |
Tijdschrift beschrijving
Alle jaargangen van het bijbehorende tijdschrift
Alle afleveringen van het bijbehorende jaargang
Alle artikelen van de bijbehorende aflevering
Details van artikel 26 van 41 gevonden artikelen
| Titel: |
Preparation Techniques of Coal Water Mixtures with Upgraded Low Rank Coals |
| Auteur: |
Saeki, Takashi Tatsukawa, Takafumi Usui, Hiromoto |
| Verschenen in: |
International journal of coal preparation and utilization |
| Paginering: | Jaargang 21 (1999) nr. 1 pagina's 161-176 |
| Jaar: |
1999-12-01 |
| Inhoud: |
Low rank coals have been considered beneficial energy sources in recent years due to their low costs and huge deposit. The present authors have proposed a new upgrading method for low rank coals, which is a combination of vacuum drying and tar coating processes. By using such upgraded coals, preparation of coal water mixtures (CWMs) should be effective to reduce the transportation cost of coals. Since the surface property of an upgraded coal is more hydrophobic than a normal bituminous coal, the selection of suitable additives both for fluidity and stability of CWMs is important. In this study, Indonesian coal (Banjarsari) was used to prepare CWMs using eight commercially available surfactants, five newly synthesized surfactants and four stabilizers, and such CWMs are examined. The information obtained in this study for various kinds of additives would be valuable for the preparation techniques of CWMs. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 26 van 41 gevonden artikelen
| << vorige | volgende >> |