554 uppsatser · sida 8 av 37
… report describes the work of developing a specification of requirements for Waste Heat Recovery Units. The main part of the paper describes how the work with the specification of requirements has been performed. One specific question to be answered is: What are the customer’s …
… regarding their suitability as efficient nutrient removers in the treatment of wastewater with high levels of nutrients and suspended solids from a biogas plant in Loudden. The needs required for the plants to be able to grow in wastewater and the amounts of biomass they can …
… the produced food does not even pass the whole entire chain before it turns to waste. The question about food waste in debates is a case of access to food for every human beeing. It is question of consumption of the resources, waste management and an issue of environmental …
… to find the electricity consumption of the air compressors and the amount of waste heat produced from them. The third area was to calculate a model of how much fresh water that is used during a cooling sequence in the water based heating/cooling system of the reactors and give a …
Hur arbetar förskollärare med ämnet?
… a total of six departments, find out how pre-school teachers worked with waste separation, if it motivated the children to take care of the environment, and if the work was understandable for the children. The results showed that the children did not comprehend what the …
… of environmentally hazardous activities. The responsibility for deposited waste is primarily with the depositor and secondly with the landowner. The inventory and compilation show that the Energy division has two properties with major pollution problems. At the KV1 site a gas …
Förflyttning av produkt
… the air bubbles to the water through diffusion. The problem with aeration of waste water from the forest industry is that wood residues, such as fatty acids, are making the transport of oxygen in water more difficult. Previous studies show that adding salt improves aeration and …
Tillsats av biprodukter i skogsindustriellt avloppsvatten
… the air bubbles to the water through diffusion. The problem with aeration of waste water from the forest industry is that wood residues, such as fatty acids, are making the transport of oxygen in water more difficult. Previous studies show that adding salt improves aeration and …
Med fokus på Kvarteret Trettondagen
… Electricity mix ? 2,7 District heating mix ? 0,79 District heating from waste ? 0,04 Electricity from wind power ? 0,05 The results show that the passive houses in Trettondagen and Oxtorget were the only ones that passed the German limit of 120 kWh/m2Atemp,year. The low energy …
jämförelse av befintlig pastörisering med integrerad termofil hygienisering på Kungsängens gårds biogasanläggning i Uppsala
… Vatten och Avfall AB, produces biogas and biomanure from organic household waste, food processing waste and slaughterhouse waste. In year 2012, 4.4 million Nm3 of biogas were produced from 25 200 tons of waste. Before digestion all substrate is sanitized by one hour’s …
… for the production of worm protein as a fish feed. Vegetable waste from the hydroponic part of the system can be reused as worm feed in the compost and the protein rich worms can be harvested, dried and grinded and brought back to the aquaculture as fish feed. As a first step in …
En studie som syftar till att öka återvinningsgraden av Tetra Paks förpackningar i Indonesien
… to do. Because of the close correlation between consumption and the amount of waste, the waste volume is also expected to increase. The purpose of this study is to examine if some measures in the recycling process from Sweden could be implemented in Indonesia. In fact, Indonesia …
En studie, ur livscykelperspektiv, av energianvändning och växthusgasutsläpp
… than one third of the produced food is discarded instead of consumed, and food waste make up about 30 % of the waste generated by households. 60 % of this food waste could be avoided if the eatables were handled in a better way. Avoidable food waste arises partly because …
jämförelse av befintlig pastörisering med integrerad termofil hygienisering på Kungsängens gårds biogasanläggning i Uppsala
… Vatten och Avfall AB, produces biogas and biomanure from organic household waste, food processing waste and slaughterhouse waste. In year 2012, 4.4 million Nm3 of biogas were produced from 25 200 tons of waste. Before digestion all substrate is sanitized by pasteurization at …
Membrane bioreactors- A future solution at Lundåkra wastewater treatment plant?
… to the future expansion with conventional active sludge treatment at Lundåkra wastewater treatment plant (WWTP) in the proximity of Landskrona, Sweden.The results showed that the surface demand in the biological treatment will be reduced with 67% with the MBR-alternative …
