Sökning: "high-pressure washing"

Hittade 2 avhandlingar innehållade orden high-pressure washing.

  1. 1. Continuous Preventive Bridge Maintenance : Effect of High Pressure Washing on Concrete Bridges

    Författare :Louise Andersson; Johan Silfwerbrand; Anders Selander; Ylva Edwards; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Bridge maintenance; preventive maintenance; chloride ingress; high-pressure washing; Concrete Structures; Betongbyggnad;

    Sammanfattning : In Sweden, as in many other countries, preventive maintenance of structures andbridges is considered important. It provides several benefits such as prolonged lifespan or service life, less need for repair, and hopefully reduced costs and lowerenvironmental impact.A large part of Sweden’s bridge stock is getting quite old. LÄS MER

  2. 2. Pressure and Solidosity Profiles in Cake Filtration

    Författare :Christian Johansson; Chalmers tekniska högskola; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; lignin; pressure and solidosity measurements; ethanol; constitutive relationships; solid-liquid separation; cake build-up;

    Sammanfattning : Filtration is an important unit operation in theseparation of liquids from solids. The aim of this work was toinvestigate filtration properties of lignin sludge obtained in theproduction of fuel ethanol from spruce wood. LÄS MER