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Viitteet 111-120 / 305
Ce-Zr solid solution catalyst : a new catalyst for hydrogen production from methanol steam reforming
(2021)
Hydrogen energy is one of the most active substitutes for fuel cell energy. At present, it is a good choice to solve the storage problem by reforming hydrocarbons to produce the H2 we need on site. There are many ways to ...
The interaction between Covid-19 and environmental pollution
(2022)
In 2022, COVID-19 is still affecting human normal life. As a result of lockdown policies, human activity has been greatly reduced around the world. But in order to fight the epidemic, a lot of supplies have been consumed ...
Biokaasun tuotannon kannattavuus : Biokaasun kuljetus ja varastointi
(2022)
Työn tarkoituksena on tutustua biokaasun tuotantoon, jalostukseen ja kannattavuuteen maatilamittakaavassa. Tutkimuksessa mukaan otetaan alustavassa kartoituksessa olevaa mahdollista biokaasulaitosta Pohjois-Pohjanmaalla ...
Land Desertification, Causes, status and prevention measure of land desertification
(2022)
This thesis introduces land desertification from many aspects and makes a narrow and broad interpretation of land desertification.
After that, the status quo of land desertification is introduced according to the previous ...
Wastewater treatment in hydrazine hydrate production
(2021)
As an important fine chemical raw material, hydrazine hydrate has a wide range of uses, not only for the synthesis of rocket fuel, foaming agent, herbicide, but also for the synthesis of medical drugs. Usually ketone, ...
Extraction and transformation of microalgal oil to biodiesel
(2021)
Biodiesel is one of the fastest growing renewable sources of low nitrogen and sulfur content while releasing less pollutants during the combustion process. Microalgae are widely distributed in the world with high fat ...
Biogas as a Viable source of energy : Case study, Nigeria
(2021)
Since the inception of man, energy has been an indispensable part of modern society which serves as an indicator of economic growth and development. In the early nineteenth century, coal is the major source of energy whereas ...
FMEA-menetelmän soveltaminen akkumateriaalituotannon spesifiin riskeihin
(2022)
Tämän opinnäytetyön tarkoitus oli tuottaa FMEA-menetelmän mukainen riskiarviointi koskien prosessilaitteiden aiheuttamaa metallista kontaminaatiota prosessin lopputuotteeseen. Erityisesti tarkkailtiin laitteiden sisältämää ...
Heat balance of thermocatalytic decomposition process
(2022)
This thesis was commissioned by Hycamite TCD Technologies, located in Kokkola, which focuses on using a technology, thermocatalytic decomposition process, to break down methane into hydrogen and carbon. The goal was to ...
The development status and application technology of hydrogen energy
(2022)
Hydrogen energy is a kind of new energy source. At present, hydrogen energy is widely used. The use of hydrogen energy has a far-reaching history and the technology of hydrogen production has been fully developed. Also, ...