Essays about: "OLR"

Showing result 1 - 5 of 21 essays containing the word OLR.

1. 1. High-loaded thermophilic anaerobic digestion of mixed sewage sludge : A pilot study

   University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

   Author : Santiago Elejalde Bolaños; [2022]
   Keywords : thermophilic anaerobic digestion; volatile fatty acids; mixed sludge; organic loading rate; alkalinity; wastewater treatment plant; termofil rötning; flyktiga fettsyror; blandslam; organisk belastning; alkalinitet; avloppsreningsverk;

   Abstract : Municipal wastewater treatment plants (WWTP) are important infrastructural components in a society and also important for sustainability. In a WWTP the most common treatment configuration is mechanical, biological, and chemical treatment of the wastewater. READ MORE

3. 2. Ontology and Law: Bioprospecting in Antarctica

   University essay from Uppsala universitet/Institutionen för geovetenskaper

   Author : Rakesh Prasad; [2022]
   Keywords : Sustainable Development; Conceptual Modeling; Ontological Legal Research; Knowledge Artifact; Activity Theory; Deep Text;

   Abstract : Could it be that even though no international treaty or regulation regulates bioprospecting in Antarctica, some features of the techno-science of bioprospecting already lie embedded in the deep texts of the potentially most relevant treaties and regulations? If so, international law already to that extent comprehends the phenomenon, making for sustainable governance and thereby sustainable development. To find out, first an ontology of bioprospecting was synthesized, by an activity theory based conceptual system modeling (CSM). READ MORE

4. 3. Anaerobic Co-digestion of steam pretreated wheat straw and sewage sludge

   University essay from Lunds universitet/Bioteknik (master); Lunds universitet/Bioteknik (CI)

   Author : Virginia Tosi; [2021]
   Keywords : Anaerobic co-digestion; wheat straw pretreatment; nutrients availability; OLR; VFA acumulation; Biotechnology; Technology and Engineering;

   Abstract : Anaerobic digestion (AD) of wastes and residues is a widely applied and explored process. However, when the process is not optimized, inadequate concentrations of nutrients and inhibitory compounds are common and can lead to low maximum organic loading rates and increased risk of process problems, low organic dry solids degradation rate and reduced methane yields. READ MORE

5. 4. Anaerobic Co-Digestion Of Food Waste And Kraft Pulp Fibre To Enhance Digestate Dewaterability

   University essay from Linköpings universitet/Tema Miljöförändring

   Author : Kwame Boateng Agyemang; [2021]
   Keywords : Anaerobic digestion; Digestate; Dewaterability; Food waste; Pulp fibre;

   Abstract : Digestate produced during anaerobic digestion of food waste is recognised as a good alternative to mineral fertilizer which could also be used to amend soil properties. This has conventionally been applied directly and unprocessed to nearby farms or processed and transported elsewhere. READ MORE

6. 5. Identifying factors that correlate with Enhanced Biological Phosphorus Removal upsets at Lundåkraverket

   University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

   Author : Rounak Niranjan; [2021]
   Keywords : Enhanced biological phosphorus removal; polyphosphate accumulating organisms; glycogen accumulating organisms; sludge content in aeration basin; nitrates in aeration basin; pH of incoming water; principal component analysis; pairwise correlations; inhibition factors;

   Abstract : The Enhanced Biological Phosphorus Removal (EBPR) process is characterized as the most sustainable process to remove phosphorus from wastewater albeit with high variability in performance efficiency. Thus, unpredictable upsets in the EBPR system is the norm across several wastewater treatment plants throughout Sweden, forcing the hand of the operators to dose higher volume of chemicals to reach the effluent requirements. READ MORE