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• Activated carbon
  ...surface area of several square metres. This image of activated charcoal in water is at a scale of 6.236 pixels/[[μm]], the entire image covers a region of ...occur. PAC is generally added directly to other process units, such as raw water intakes, rapid mix basins, clarifiers, and gravity filters.
  41 KB (5,738 words) - 16:47, 27 September 2010
• Mercury (element)
  ...a dangerous compound that is widely found as a [[pollution|pollutant]] in water bodies and streams.<ref name="methylHg">{{cite book| url = http://books.goo ...ater-silver" (hydr- = water, argyros = silver) — since it is liquid like water and shiny like silver. The element was named after the Roman god [[Mercury
  69 KB (10,077 words) - 21:35, 20 September 2010
• EDTA
  ...tetraacetate'''. EDTA is a [[polyamino carboxylic acid]] and a colourless, water-soluble solid. It is widely used to dissolve [[Limescale|scale]]. Its usefu ...n-coordinate complexes, or (ii) the displacement of one carboxylate arm by water. Early work on the development of EDTA was undertaken by [[Gerold Schwarze
  21 KB (2,946 words) - 15:10, 6 July 2010
• Plastic recycling
  ...ed together they tend to [[phase separation|phase-separate]], like oil and water, and set in these layers. The [[phase boundary|phase boundaries]] cause str ...hredded and melted at a temperature below 220 degrees C (428 °F) to avoid pollution. This road surface is claimed to be very durable and monsoon rain resistant
  18 KB (2,694 words) - 21:59, 6 July 2010
• Impurity
  ...A mixture of water and [[salt]] can be separated by [[distillation]], with water as the distillate and salt as the solid [[residue (chemistry)|residue]]. Im * [[Pollution]]
  4 KB (592 words) - 10:08, 20 September 2010
• Factors of polymer weathering
  ...sely linked with water in all of its forms. Drops in temperature can cause water to condense on the material as dew, a rise in temperature causes evaporatio ...subsurface layers. A following drying out period signifies a desorption of water. The drying out of the surface layers would lead to a volume contraction; t
  12 KB (1,716 words) - 10:10, 20 September 2010
• Polyethylene terephthalate
  ...tion]] reaction between [[terephthalic acid]] and [[ethylene glycol]] with water as a byproduct, or by [[transesterification]] reaction between [[ethylene g | [[Water absorption]] (ASTM)
  43 KB (6,272 words) - 10:11, 20 September 2010
• Polymer
  ...ch corresponds to the combination of the two monomers with the loss of two water molecules. The distinct piece of each monomer that is incorporated into the ...omposite is coupled with an active metal in [[salinity|saline]], i.e. salt water environments.<ref>{{cite journal|author=Faudree M.C., Relationship of Graph
  45 KB (6,501 words) - 10:11, 20 September 2010
• Particle size distribution
  ...ly known as wet scrubbers. In these systems, the scrubbing liquid (usually water) comes into contact with a gas stream containing dust particles. The greate ...vely, the sample may be washed through with a non-reacting liquid (usually water) or blown through with an air current.
  16 KB (2,356 words) - 10:12, 20 September 2010
• Petroleum
  ...ath it. Crude oil may also be found in semi-solid form mixed with sand and water, as in the [[Athabasca oil sands]] in [[Canada]], where it is usually refer ...had settled to a sea or lake bottom in large quantities under [[anoxic sea water|anoxic conditions]] (the remains of prehistoric [[terrestrial plant]]s, on
  69 KB (9,885 words) - 10:12, 20 September 2010
• Ruthenium
  ...s and Ir is treated with sodium oxide, in which Ir is insoluble, producing water-soluble Ru and Os salts. After oxidation to the volatile oxides, {{chem|RuO ...al processes such as [[Chlorine production|generating chlorine]] from salt water.<ref>{{cite book|title =Materials Handbook: A Concise Desktop Reference|url
  39 KB (5,430 words) - 10:13, 20 September 2010
• Polystyrene
  ...|doi=10.1179/174328407X158640}}</ref>, and is often abundant as a form of pollution in the outdoor [[environment (biophysical)|environment]], particularly alon ...[[oxidation]] of polystyrene produces only [[carbon dioxide]] and [[water|water vapor]]. Because of its chemical inertness, polystyrene is used to fabricat
  36 KB (5,017 words) - 10:14, 20 September 2010
• Dust
  ...s sources such as soil dust lifted up by wind, [[volcanic eruptions]], and pollution. Dust in homes, offices, and other human environments contains small amount ....com">http://www.usroads.com/journals/rmej/9806/rm980604.htm</ref> or with water sprayers.
  11 KB (1,644 words) - 10:15, 20 September 2010
• Textile preservation
  ...chemicals used in its production that might contribute to how it reacts to water? Or how it may react to cleaning chemicals? ...hanical stress than something like silk. Wool can absorb large amounts of water, but mats if washed in high temperatures. All silks become brittle with a
  30 KB (4,909 words) - 10:15, 20 September 2010
• Technical textile
  ...ment/recycling, depositing area construction, product extraction, domestic water sewerage plants.
  10 KB (1,349 words) - 10:15, 20 September 2010
• Textile processing
  ...But the pollution load created due to this dyeing is very harmful to all water sources.
  5 KB (761 words) - 10:15, 20 September 2010
• Lubricant
  ...properties since virtually all hydrocarbon molecules are saturated. It has water-white color. ...r naturally derived lubricants include [[lanolin]] (wool grease, a natural water repellent).
  32 KB (4,626 words) - 10:18, 20 September 2010
• Architectural metals
  ...point of lead permitted its use on a wide scale throughout human history. Water pipes were frequently constructed of lead, until its health hazards were pu Zinc oxide paints were nontoxic and resistant to pollution. They became commercially successful and readily available in America in ab
  13 KB (2,061 words) - 10:20, 20 September 2010
• Insulated siding
  ...riendly. By reducing energy consumption, insulated siding can reduce [[air pollution]]. Insulated siding has an industry system R-value range of 2.0 - 3.5. Acco ...rs report that insulated siding is permeable or “breathable,” allowing water vapor to escape, which can provide protection against rot, mold and mildew
  5 KB (651 words) - 10:20, 20 September 2010
• Asphalt concrete
  ...mixture is easy to work and compact. The emulsion will break after enough water evaporates and the cold mix will, ideally, take on the properties of cold H ...and remove cracking, although the recycled material is generally not very water-tight or smooth and should be overlaid with a new layer of asphalt concrete
  9 KB (1,283 words) - 10:20, 20 September 2010

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