Essays about: "h2so4"

Showing result 11 - 15 of 15 essays containing the word h2so4.

  1. 11. Evaluation of Odomin and potential factors reducing the hydrogen sulphide levels in sewage systems

    University essay from KTH/Maskinkonstruktion (Inst.)

    Author : Karin Wannerberg; [2014]
    Keywords : Hydrogen sulphide; sewage systems; odour; oxidation; reduction; Svavelväte; avloppsystem; odör; oxidation; reduktion;

    Abstract : Xylem Inc. develops pumps and integrated solutions for sewages systems. A new concept has been designed to reduce the levels of hydrogen sulphide, H2S, in wastewater. H2S is a toxic, stinking gas that smells at levels above 0. READ MORE

  3. 12. Production of ethanol and biomass from orange peel waste by Mucor indicus

    University essay from Högskolan i Borås/Institutionen Ingenjörshögskolan

    Author : Päivi Ylitervo; [2009]
    Keywords : orange peel waste; mucor indicus; ethanol; chitosan; acid hydrolysis; enzymatic hydrolysis;

    Abstract : For the citrus processing industry the disposal of fresh peels has become a major concern for manyfactories. Orange peels are the major solid by-product. Dried orange peels have a high content ofpectin, cellulose and hemicellulose, which make it suitable as fermentation substrate when hydrolyzed. READ MORE

  4. 13. Pectin and galacturonic acid from citrus wastes

    University essay from Högskolan i Borås/Institutionen Ingenjörshögskolan

    Author : Amir Hossein Abbaszadeh; [2009]
    Keywords : pectin; orange peel; extraction; analysis;

    Abstract : In this work an investigation to find new method of extraction of pectin from orange peel with shortening time of extraction is carried out. Pectin was extracted from dried orange peel at higher temperature by employing stainless steel reactors. READ MORE

  5. 14. Variationer av klor, svavel och aska i havrekärna : odlingsfaktorernas inverkan på havrens bränsleegenskaper

    University essay from SLU/Dept. of Soil Sciences

    Author : Martin Larsson; [2007]
    Keywords : bränsleegenskaper; svavelgödsling; klorgödsling; svaveldeposition; klordeposition; pH; lerhalt;

    Abstract : The increasing oil prices during the last years have made it profitable to use cereal grains as a fuel. When compared with wood, cereals contain higher amounts of Cl, S and ash. The Cl and S content makes the gases from cereal combustion more corrosive than gases from wood combustion. READ MORE

  6. 15. Storage conditions of yeheb (Cordeauxia edulis Hemsl.) seeds

    University essay from SLU/Dept. of Crop Production Ecology

    Author : Sara Johansson; [2006]
    Keywords : Yeheb; Cordeauxia edulis; storage; moisture content; temperature;

    Abstract : Yeheb, Cordeauxia edulis Hemsl., is an endemic, semi-arid shrub which has become over utilised and is today in danger of extinction. Its natural regeneration is severely threatened since it is used as seasonal feed for animals like camels and goats, fire wood and food for humans. READ MORE