anthracite coal filter
1Anthracite — (Greek Ανθρακίτης, literally a type of coal , from Anthrax [Άνθραξ] , coal) is a hard, compact variety of mineral coal that has a high lustre. It has the highest carbon count and contains the fewest impurities of all coals, despite its lower… …
2Water purification — This article is about large scale, municipal water purification. For portable/emergency water purification, see portable water purification. For industrial water purification, see deionized water. For distilled water, see distilled water. Water… …
3environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
4Atlas Mountains — a mountain range in NW Africa, extending through Morocco, Algeria, and Tunisia. Highest peak, Mt. Tizi, 14,764 ft. (4500 m). * * * Mountain system, northwestern Africa. It extends some 1,200 mi (2,000 km) from the Moroccan port of Agadir in the… …
5Cefn Coed Colliery Museum — is a former coal mine, now operating as a museum. It is located at Crynant near Neath in Wales.BackgroundCoal mining in the Neath area began with the development of the port of Neath in the 16th century. In 1743 Sir Herbert Mackworth, one of the… …
6Fly ash — Photomicrograph made with a Scanning Electron Microscope (SEM): Fly ash particles at 2,000x magnification Fly ash is one of the residues generated in combustion, and comprises the fine particles that rise with the flue gases. Ash which does not… …
7Carboniferous Period — Interval of geologic time 354–290 million years ago, marked by great changes in world geography. All the landmasses drew closer together as a result of tectonic plate movements. The supercontinent Gondwana occupied much of the Southern Hemisphere …
8Carbon tax — Part of a series on Green economics Concepts …
9Czech Republic — a republic in central Europe: includes the regions of Bohemia, Moravia, and part of Silesia; formerly part of Czechoslovakia; independent since 1993. 10,318,958; 30,449 sq. mi. (78,864 sq. km). Cap.: Prague. * * * Czech Republic Introduction… …
