lime slurry
21Cement kiln — Cement kilns are used for the pyroprocessing stage of manufacture of Portland and other types of hydraulic cement, in which calcium carbonate reacts with silica bearing minerals to form a mixture of calcium silicates. Over a billion tonnes of… …
22Betel — For the mixture of leaf and nut, see Paan. For the biblical place, see Bethel. Betel Scientific classification Kingdom: Plan …
23calcium — /kal see euhm/, n. Chem., Biol. a silver white divalent metal, occurring combined in limestone, chalk, gypsum, etc., occurring also in vertebrates and other animals, as a component of bone, skeletal mass, shell, etc., and as a necessary element… …
24Scrubber — This article is about the pollution control device, for other uses, see scrubber (disambiguation).Scrubber systems are a diverse group of air pollution control devices that can be used to remove some particulates and/or gases from industrial… …
25Viscosity — For other uses, see Viscosity (disambiguation). Viscosity The substance above has lower viscosity than the substance below SI symbol: μ, η SI unit: Pa·s  …
26Anaerobic digestion — and regenerative thermal oxidiser component of Lübeck mechanical biological treatment plant in Germany, 2007 …
27Deinking — is the industrial process of removing printing ink from paperfibers of recycled paper to make deinked pulp. The key in the deinking process is the ability to detach ink from the fibers. This is achieved by a combination of mechanical action and… …
28Bone Valley — The Bone Valley is a region of central Florida, encompassing portions of present day Hardee, Hillsborough, Manatee, and Polk counties, in which phosphate is mined for use in the production of agricultural fertilizer. Florida currently contains… …
29Metro Parks, Serving Summit County — is a Metroparks system serving the citizens of Summit County, Ohio by managing 10,500 acres (4,200 ha) in 14 developed parks, six conservation areas and more than 125 miles (201 km) of trails. The park district is fully supported by a… …
30Architecture of ancient Sri Lanka — The architecture of ancient Sri Lanka displays a rich variety of architectural forms and styles. Even in their ruined condition, the buildings of ancient Sri Lanka provides a cultural heritage and architectural significance which is important to… …
