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The name coco peat may refer either to coir or the pith or a mixture, as both have good water-retaining properties as a substitute for peat. [6] History
Peat material is either fibric, hemic, or sapric. Fibric peats are the least decomposed and consist of intact fibre. Hemic peats are partially decomposed and sapric are the most decomposed. [22] Phragmites peat are composed of reed grass, Phragmites australis, and other grasses. It is denser than many other types of peat.
A briquette (French:; also spelled briquet) is a compressed block of coal dust [1] or other combustible biomass material (e.g. charcoal, sawdust, wood chips, [2] peat, or paper) used for fuel and kindling to start a fire. The term is a diminutive derived from the French word brique, meaning brick.
Humic acid isolated from peat Fulvic acid isolated from peat. Humic substances (HS) are colored relatively recalcitrant organic compounds naturally formed during long-term decomposition and transformation of biomass residues. The color of humic substances varies from bright yellow to light or dark brown leading to black.
Tropical peat is a type of histosol that is found in tropical latitudes, including South East Asia, Africa, and Central and South America. [2] Tropical peat mostly consists of dead organic matter from trees instead of spaghnum which are commonly found in temperate peat. [ 3 ]
Peat plant in Finland Stora Enso pulp and paper mill in Oulu has capacity of 884 GWh peat fuel energy. Finland is one of the last countries in the world still burning peat. [1] Peat has high global warming emissions and environmental concerns. It can be compared to brown coal (lignite) or even worse than this lowest rank of coal.
The goals of peatland restoration in hydrological terms are primarily to improve the quality and regulate the quantity of water. A peatland as an intact ecosystem is a natural water purifier, it filters and stores organic substances, metals or other toxic matter and retains nutrients. [8]
The preparatory drawing Spiral Hill, Emmen, Holland 1971, notes that Smithson originally wanted to build the hill out of peat blocks. [19] According to the book, Robert Smithson: Retrospective, one of Smithson's first concepts for the Emmen sand quarry was an unrealized earthwork Meandering Canal, Emmen, Holland 1971.
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