Abstract: The present description is related to the field of cultivating algae. It introduces a method of cultivating algae by depleting the culture of an inorganic nutrient and exposing the alga to high intensity light to obtain algal cell mass having enriched lipid content and reduced chlorophyll content.
Type:
Grant
Filed:
November 4, 2015
Date of Patent:
June 6, 2023
Assignees:
NESTE OYJ, SUOMEN YMPÄRISTÖKESKUS SYKE
Inventors:
Reijo Tanner, Jukka Seppälä, Timo Tamminen, Kristian Spilling, Pasi Ylöstalo, Pauliina Uronen
Abstract: The present description is related to the field of cultivating algae. It introduces a method of cultivating algae by depleting the culture of an inorganic nutrient and exposing the alga to high intensity light to obtain algal cell mass having enriched lipid content and reduced chlorophyll content.
Type:
Application
Filed:
November 4, 2015
Publication date:
November 23, 2017
Applicants:
NESTE OYJ, SUOMEN YMPÄRISTÖKESKUS SYKE
Inventors:
Reijo TANNER, Jukka SEPPÄLÄ, Timo TAMMINEN, Kristian SPILLING, Pasi YLÖSTALO, Pauliina URONEN
Abstract: The invention relates to an arrangement and a method for collecting oil from water in open water and/or winter conditions, whereby a vessel's (1) hull (2) and an oil collecting equipment (4) are utilized as an oil collector. According to the invention, the oil collecting equipment (4) is attached to the vessel's (1) hull (2) and it is equipped with an auxiliary device (7), which comprises at least two auxiliary means (10a,b) which are interconnected so that they are movable with respect to each other. The auxiliary means (10a,b) can be utilized in various ways in different conditions.
Abstract: The invention relates to an arrangement and a method for collecting oil from water in open water and/or winter conditions, whereby a vessel's hull and oil collecting equipment are utilized as an oil collector. According to the invention, the oil collecting equipment is attached to the vessel's hull and it is equipped with an auxiliary device, which comprises at least two auxiliary means which are interconnected so that they are movable with respect to each other. The auxiliary means can be utilized in various ways in different conditions.
Abstract: A method and a device for separating oil from ice. In the method, ice is pressed under the water along an inclined surface formed by a bar screen (3) or a grating. The oil is separated from the ice by vibrating the inclined surface formed by the bar screen (3).