Consultants in Soils, Hydrogeology,
Foundations and Materials Testing.
Anwar E.Z. Wissa, President
Ardaman & Associates, Inc.
Since the late 1970's, high density polyethylene (HDPE) has increasingly been used as a liner to prevent seepage of leachate from municipal and industrial liquid and soil waste disposal sites because of its resistance to chemical attack, flexibility and ease with which it can be welded.
An underdrain system is often used between the solid waste and underlying synthetic or natural clay liner to reduce the fluid pressure on the liner. Slotted or perforated HDPE pipe has many advantages over PVC pipe because its flexibility allows it to deform both vertically and horizontally to accommodate foundation settlement without damage.
This presentation gives an overview of the design of underdrain systems with case histories of successful applications where HDPE drainage pipes were used in harsh environmental and loading conditions.
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Chemical 75º 125º
A acetic acid 60% S S Acetic Acid Glacial S C acetone S C aromatic acids S S acrylonitrile S S adipic acid S S altyl alcohol S S alums S S aluminum chloride S S aluminum fluoride S S aluminum sulfate S S ammonia S S ammonium acetate S S ammonium carbonate S S ammonium chloride S S ammonium fluoride S S ammonium hydroxide S S ammonium nitrate S S ammonium phosphate S S ammonium sulfate S S ammonium sulfide S S amyl acetate S C amyl alcohol S C aniline S C antifreeze S S antimony chloride S S arsenic acid S S B barium carbonate S S barium chloride S S barium hydroxide S S barium sulfate S S barium sulfide S S battery acid S S beer S S beeswax S C benzoic acid S S borax S S boric acid S S brine S S butane gas S S butanediol S S butanol S S butyl acetate S C butyl glycol S S butync acid S C C calcuim carbonate S S calcuim chlorate S S calcuim chloride S S calcuim hydroxide S S calcuim hypochlorite solution S S calcium nitrate S S calcuim sulfate S S camphor S C carbon dioxide S S carbon monoxide S S carbonic acid S S caustic potash S S caustic soda S S chloroacetic acid S S chrome alum S S chromic acid S C chromic and sulfuric acid S C citric acid S S coal gas (benzene free) S S coconut oil S S copper chloride S S copper cyanide S S copper fluoride S S copper nitrate S S corn oil S S cottonseed oil S S cresol S S cyclohexane S S cyclohexanol S S cyclhexanone S S D decalin S S detergents, synthetic S S developers, photographic S S destrin S S dextrose S S dibutyl ether S C dibutyl phthalate S C dichloroacetic acid S S diesel oil S C diethyiether S C diethylene glycol S S dioxane S S E emulsions, photographic S S esters, alphatic S S ethanol S S ether S C ethyl acetate S C ethylene glycol S S F ferric chloride S S ferric nitrate S S ferric sulfate S S ferrous chloride S S ferrous sulfate S S film solutions S S fluoboric acid S S fluosilicic acid S S formaldehyde S S formic acid S S fruit juices S S fuel oil S C G gasoline S C gelatin S S glucose S S glycenne S S glycol S S H heptane S C hexane S C hexanol S S hydrobromic acid S S hydrocyanic acid S S hydrochloric acid S S hydrofluoric acid 40% S S hydrofluoric acid 60% S S hydrogen S S hydrogen peroxide 30% S S hydrogen peroxide 90% S S hydrogen sulfide S S hypochlorous acid S S I iodine (alcohol solution) S C isopropanol S C isopropyl ether S C L lactic acid S S lead acetate S S linseed oil S S M magnesium carbonate S S magnesium chloride S S magnesium hydroxide S S magnesium nitrate S S magnesium sulfate S S maleic acid S S methanol S S mercuric chloride S S mercuric cyanide S S mercurous nitrate S S mercury S S methanol S S milk S S mineral oil S C molasses S S N naphtha S C maphthalene S C nickel chloride S S nickel nitrate S S nickel sulfate S S nitric acid 0-30% S S nitric acid 30-50% S C nitric acid 50-70% S U nitrobenzene S C nitrotoluene S C O oils and fats S C oleic acid S C orthophosphoric acid 50% S S orthophosphoric acid 95% S S oxalic acid S S oxygen S S ozone C U P paraffin oil S S perchloric acid 20% S S perchloric acid 50% S S perchloric acid 70% S C petroleum S S petroleum ether S C phenol S S phosphates S S phosphoric acid S S phosphorous oxychloride S S phosphorus pentoxide S S phosphorus trichloride S S photographic solutions S S phthalic acid S S picric acid S S potash S S potassium borate S S potassium bromate S S potassium bromide S S potassium carbonate S S potassium chlorate S S potassium chloride S S potassium chromate S S potassium cyanide S S potassium dichromate S S potassium ferricyanide S S potassium ferrocyanide S S potassium fluoride S S potassium hydroxide S S potassium hypochlorite S S potassium nitrate S S potassium perborate S S potassium perchlorate S S potassium permanganate 20% S S potassium persulfate S S potassium sulfate S S potassium sulfide S S propyl alcohol S S propylene glycol S S prussic acid S S S salicylic acid S S sea water S S salenic acid S S silicic acid S S silicone oil S S silver acetate S S silver cyanide S S silver nitrate S S soap solutions S S sodium acetate S S sodium benzoate S S sodium bicarbonate S S sodium bisulfate S S sodium bisulfite S S sodium borate S S sodium bromide S S sodium carbonate S S sodium chlorate S S sodium chloride S S sodium chlorite 50% S S sodium cyanide S S sodium femcyanide S S sodium ferrocyanide S S sodium fluoride S S sodium hydroxide S S sodium hypochlorite S S sodium nitrate S S sodium nitrite S S sodium sulfate S S sodium sulfide S S sodium thiosulfate S S stannic chloride S S stannous chloride S S starch S S stoaric acid S S sulfur dioxide S S sulfuric acid 50% S S sulfuric acid 70% S S sulfuric acid 80% S sulfuric acid 98% C sulfurous acid S S T tannic acid S S tartaric acid S S transformer oil S S trichloroacetic acid S S turpentine S C U urea S S urine S S V vinegar S S W wines S S Y yeast S S Z zinc carbonate S S zinc chloride S S zinc oxide S S zinc sulfate S S
S = generally suitable
U = generally unsuitable
C = conditional suitability depending on environmental factors, exact composition of the material, use of the product, pressure, etc.
SOURCE: The Dow Chemical Co.
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