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Process of production of oil from microalgae

A technology of microalgae and algae, applied in biochemical equipment and methods, fat oil/fat production, biochemical instruments, etc., can solve the problems of consumption, reduce energy production cost-effectiveness, energy requirements, etc., and achieve the effect of reducing costs

Inactive Publication Date: 2016-04-06
BIO TE MA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This obviously requires energy consumption, which reduces the cost-effectiveness of energy production, without taking into account that the equipment for the depolymerization or hydrolysis of complex sugars such as cellulose or lignocellulose into simple sugars is not currently readily available from an industrial standpoint

Method used

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  • Process of production of oil from microalgae
  • Process of production of oil from microalgae

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Embodiment Construction

[0033]As mentioned above, the present invention relates to a method for producing lipids (oils) from microalgae comprising at least the following steps:

[0034] a) under natural and / or artificial light (photoautotrophic growth) and in turn with the addition of sugar feed obtained from sugar cane or sugar beet processing, such as molasses or bagasse, and / or sugar feed obtained from food or confectionery industry waste Cultivation of microalgae in the absence of light (heterotrophic growth), e.g. from wastewater from fruit sugar deposits;

[0035] b) Isolation of lipids (oils) from microalgae.

[0036] Microalgae preferably used in the method of the present invention are selected from the following species: Botryococcus B. (BCB), Chlorella (CLV), Nannochloropsis sp. (NCS), Nannochloropsis ( Nannochloris sp.) (NNS), Haematococcus pluvialis (HAC) and Chlorella Protothecoide (CLP). A preferred algal species for the purposes of the present invention is Chlorella prototheca.

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Abstract

The invention relates to a process for the production of lipids (oil) from microalgae, comprising the cultivation of microalgae by sequential photoautotrophic-heterotrophic growth, wherein in the heterotrophic step the microalgae are fed by administration of a sugar feed deriving from sugar production waste, for example molasses or bagasse, or else deriving from waste from the fruit candying industry, for example candying water, which has a sugar content comprised between 20% and 60% by weight. The invention also relates to a plant for the production of lipids (oil) from microalgae, intended for carrying out the process of the invention.

Description

technical field [0001] The present invention relates to a method for the production of algal biomass for the production of lipids (oils) and / or high value-added substances. Lipids obtained using the method of the invention can be used in energy production (eg by combustion) or human nutrition (eg as palm oil substitute) or can be used in the forage industry as supplements. High added-value substances can be used, for example, as active ingredients in the pharmaceutical industry or as dietary supplements. Background technique [0002] The raw materials (eg fossil raw materials) used in today's energy production plants are increasingly depleted and, moreover, the combustion of these raw materials determines the emission of polluting gases. [0003] For these reasons, in recent years, research has turned to biofuels derived from renewable, less polluting resources. [0004] Initially, these technologies were developed for the production of biofuels (eg, biodiesel) based on th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/02C11B1/10C12P7/64
CPCC11B1/02C11B1/10C12P7/64C12M21/02C12M47/14C12M23/58C12M47/10C12P7/6409
Inventor 彼得罗·卡内帕
Owner BIO TE MA