Essays about: "commercial value of oxygen"

Showing result 1 - 5 of 7 essays containing the words commercial value of oxygen.

  1. 1. Shelf life of fresh-cut fruits and salad leaves treated with Pulsed Electric Field (PEF)

    University essay from Lunds universitet/Livsmedelsteknik och nutrition (master)

    Author : Chandan Soni; [2019]
    Keywords : PEF; pulsed electric field; reversible electroporation; calorimeter; metabolic rate; shelf life; fresh commodities; food engineering; livsmedelsteknik; Agriculture and Food Sciences; Technology and Engineering;

    Abstract : Application of Pulsed Electric Field (PEF) treatment on five fresh commodities was analysed for the changes in the metabolic and physiological effects on their shelf life. Treatment parameters were optimised in order to achieve uniform electroporation on the samples, which was analysed by Propidium Iodide staining for the leaf samples. READ MORE

  3. 2. Critical factors for shelf life prediction of commercial fruit product

    University essay from Lunds universitet/Förpackningslogistik

    Author : Siqi Zhang; Jue Song; [2018]
    Keywords : browning; vitamin C; headspace; shelf life; fruit; Technology and Engineering; Agriculture and Food Sciences;

    Abstract : The study was carried out to identify critical factors for processed fruit shelf life in Tetra Recart packages. To investigate the importance of package volume and headspace volume, vitamin C was chosen to be the indicator. READ MORE

  4. 3. Characterization of postharvest changes in onion and their relation with storage time

    University essay from Lunds universitet/Livsmedelsteknik och nutrition (master)

    Author : Vincenzo Castellone; [2016]
    Keywords : post-harvest; onion; sprouting; livsmedelsteknik; food engineering; Agriculture and Food Sciences;

    Abstract : Onion (Allium cepa L.) is the most economically important Allium crop. The commercial cycle of onion starts with the harvest and expect for the bulbs a conservation in bulks or in storage area at controlled temperature and relative humidity. READ MORE

  5. 4. Biodiesel and Hydrogen Production : A Study of Nostoc sp. in Pulp and Paper Wastewater

    University essay from Umeå universitet/Institutionen för tillämpad fysik och elektronik

    Author : Duane Kimani; [2016]
    Keywords : Bioenergy; Hydrogen Production; Biodiesel; Cyanobacteria; Wastewater treatment;

    Abstract : The modernized world is over-consuming low-cost energy sources that strongly contributes to environmental stress. As a consequence, the interest for environmentally friendly alternatives has increased immensely. One such alternative is utilizing the diazotrophic nature of the heterocystous filamentous cyanobacteria Nostoc sp. READ MORE

  6. 5. Validation of mercury free methods for analysis of Chemical Oxygen Demand in municipial wastewater

    University essay from Uppsala universitet/Analytisk kemi

    Author : Sandra Jonsson; [2015]
    Keywords : Chemical oxygen demand; COD; Mercury free COD; Pre-commercial innovation procurement; dichromate; wastewater; comparison validation; Kemisk syreförbrukning; COD; Kvicksilverfri COD; för-kommersiell innovations upphandling; dikromat; avloppsvatten; jämförelse validering;

    Abstract : Water is used every day in society and to be able to recycle this water we depend upon efficient wastewater treatment. It is vital to test the wastewater based on different parameters. One parameter is the Chemical Oxygen Demand (COD), which defines the amount of organic substances that can be chemically oxidized within the water. READ MORE