Essays about: "ultrasonic pretreatment"

Found 3 essays containing the words ultrasonic pretreatment.

1. 1. Will different pretreatment methods influence the biogas production of seaweeds

   University essay from Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskap

   Author : YINING WU; [2018]
   Keywords : methane; seaweed; pretreatments; anaerobic digestion;

   Abstract : Global warming along with energy demand and rising prices of natural energy resources have motivated studies to find some renewable and clean energy. The use of algae as third generation biofuel can avoid the competition for farmland and algae can be considered as a potential future source of renewable energy. READ MORE

3. 2. Different Pretreatments to Enhance Biogas Production : A comparison of thermal, chemical and ultrasonic methods

   University essay from Ekologi och miljövetenskap

   Author : Liqian Wang; [2011]
   Keywords : biogas; anaerobic digestion; chemical pretreatment; thermal pretreatment; ultrasonic pretreatment;

   Abstract : .... READ MORE

4. 3. Ultrasonic treatment of sewage sludge in order to increase biogas yields

   University essay from Tema vatten i natur och samhälle

   Author : Anders Ek; [2005]
   Keywords : ultrasound; waste activated sludge; anaerobic digestion; biogas; digested sewage sludge; degassing;

   Abstract : Biogas, a mixture of methane and carbon dioxide, is produced in the anaerobic digestion of sewage sludge. After anaerobic digestion, the digested sludge is often allowed to degas for one or two days. This gas is seldom utilised, but if the degassing could be accelerated, utilisation would be easier. READ MORE