http://www.veoliawaterst.com/topics 2007/09/07 Veoliahttp://www.veoliawaterst.com/ tag:vwst.en,2007/09/07:969 2007/09/07

<p>Water is an essential production material for most industrial sites. In some industries it is one of the most significant expenses. Recycling and reuse of water is increasingly a key issue for such industries. </p>

tag:vwst.en,2006/07/25:967 2006/07/25

<p>Links to water industry sites and market specific sites.</p>

tag:vwst.en,2006/01/18:965 2006/01/18

<p>The company was founded morethan 150 years ago under the name "Compagnie Générale des Eaux". In 1889 Veolia Water set up an eminent research centre, based at rue d'Anjou in Paris, the company's historic headquarters.</p>

tag:vwst.en,2006/01/12:963 2006/01/12

<p>Reuse of appropriately treated industrial or municipal wastewater can reduce your manufacturing costs through...</p>

tag:vwst.en,2006/01/12:961 2006/01/12

<p>Granular media is contained within a pressure vessel, typically GRP or coated steel. Water enters the top of the vessel and flows downwards through the bed of media, exiting through a collector system at the base. Contaminants are removed by straining and/or adsorption depending on the chosen media.</p>

tag:vwst.en,2005/12/21:959 2005/12/21

<p>Aquamove™ is a water utilities service for mining customers that require temporary or supplemental mobile water treatment equipment for their wastewater or process water operations.</p>

tag:vwst.en,2005/10/07:957 2005/10/07

<p>The growing importance of membranes in the water treatment process is due to various factors ...</p>

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<p>Water clarification is an essential stage in the treatment process. Its management is particularly important nowadays given the latest requirements concerning the removal of parasitic micro-organisms such as <em>Cryptosporidium</em> and <em>Giardia</em>. </p>

tag:vwst.en,2005/10/07:953 2005/10/07

<p>Arsenic occurs naturally in water in two forms, as arsenate (As V) and arsenite (As III)...</p>

tag:vwst.en,2005/10/07:951 2005/10/07

<p>Liming entails obtaining and maintaining a pH greater than 12 for several months. The lime dosage in the form of slaked lime varies from 20 to 50% depending on sludge type ...</p>

tag:vwst.en,2005/10/07:949 2005/10/07

<p>Desalination is the process of removing dissolved salts from a liquid...</p>

tag:vwst.en,2005/10/07:945 2005/10/07

<p>The choice of an end use for the sludge is usually made by taking into account the local, regional and economic context ...</p>

tag:vwst.en,2005/10/07:941 2005/10/07

<p>A long track record of relevant proven experience has been built up over many years through multiple international references in the food and beverage, pulp and paper and chemical markets.</p>

tag:vwst.en,2005/10/07:939 2005/10/07

<p>Multi-process solutions help to achieve an optimum cost/safety ratio for each municipal authority...</p>

tag:vwst.en,2005/10/07:935 2005/10/07

<p>Deionization is based on ion exchange technology and removes dissolved minerals and salts from water, as well as some dissolved organics...</p>

tag:vwst.en,2005/10/07:933 2005/10/07

<p>Biological treatment using suspended biomass is currently the most common treatment solution used to treat urban wastewaters ...</p>

tag:vwst.en,2005/10/07:931 2005/10/07

<p>Biological stabilization techniques for sludge basically consist of slowing down or even stopping the putrid fermentation that leads to odor pollution.</p>

tag:vwst.en,2005/10/07:929 2005/10/07

<p>Urban wastewater like many types of industrial wastewater generates foul smelling products which are also a form of pollution ...</p>

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<p>These two terms refer to the same function - that is of water passing through small bars or small holes in order to retain any matter whose size is greater than the area the water is passing through ...</p>

tag:vwst.en,2005/10/07:925 2005/10/07

<p>Continuous Electro-Deionization (CEDi) is the latest generation of ion exchange technology. This continuous process produces high purity water without the need for regenerant chemicals.</p>

tag:vwst.en,2005/10/07:923 2005/10/07

<p>Urban and industrial wastewaters (among others) are treated in order to help conserve our natural environment and water resources ...</p>

tag:vwst.en,2005/10/07:921 2005/10/07

<p>Ozone, whose chemical formula is O₃, is a gas which is naturally found in the upper most layers of the atmosphere, where it is created from oxygen due to the effect of ultraviolet rays ...</p>

tag:vwst.en,2005/10/07:919 2005/10/07

<p>Clarification is a process whereby liquid is separated from solid matter. Solids settle due to the pull of gravity. The clarification stage is usually preceded by coagulation and flocculation ...</p>

tag:vwst.en,2005/10/07:917 2005/10/07

<p>Industry has often favoured sites close to rivers for three reasons: transportation of raw materials, water supply for use in cooling systems, disposal of effluents...</p>

tag:vwst.en,2005/10/07:915 2005/10/07

<p>Chlorine is mainly used in the disinfection process in the following forms : chlorine gas Cl₂ stored under pressure in liquid phase (bottles and tanks), (liquid) sodium hypochlorite NaOCI, (solid) calcium hypochlorite Ca (CIO)₂, 2H₂0.</p>