Comprehensive Oilgae Report

A detailed report on all aspects of the algae fuel value chain, the Comprehensive Oilgae Report will be of immense help to those who are on the threshold of investing in algae biofuels. More ››

Algae-based Wastewater Treatment

Compiled by a diverse team of experts, with experience in scientific and industrial fields, the Comprehensive Report for Wastewater Treatment Using Algae is the first report that provides in-depth analysis and insights on this important field. It uses innumerable data and information from a wide variety of expert sources and market studies, and distills these inputs and data into intelligence and a roadmap that you can use. More ››

Comprehensive Guide for Algae-based Carbon Capture

A Comprehensive Guide for Entrepreneurs and Businesses Who Wish to get a Basic Understanding of the Business Opportunities and Industry Dynamics of the Algae-based CO2. More ››


Comprehensive Report on Attractive Algae Product Opportunities

This is for entrepreneurs and businesses who wish to get a basic understanding of the algae fuel business and industrThe report provides an overview of the wide range of non-fuel applications of algae – both current and future prospects. It will provide entrepreneurs with an idea of how to derive more benefits from their algal energy ventures. The report provides detailed case studies, success stories and factoids of companies that have been involved in the algae products venture. More ››

Comprehensive Castor Oil Report

There is no other comprehensive report available for castor oil anywhere in the world. This is the first of its kind, and currently, the only one. More ››

Bioplastics Market & Strategy Advisor

Bioplastics Market & Strategy Advisor, published by the Bioplastics Guide, is a unique guiding framework for businesses and entrepreneurs to chart a way forward provides a critical analysis of the status, opportunities & trends of the global bioplastics sector. More ››

Algae - Food and Feed

Edible Sea-weeds 

Hydrocolloids

Animal and Fish Feed

Algae-Useful Substances

Pigments

PUFAs

Vitamins

Anti-oxidants


Algae for Pollution Control

Other Novel Applications

Algae Harvesting - Centrifugation


Centrifugation is a method of separating algae from the medium by using a centrifuge to cause the algae to settle to the bottom of a flask or tank. Centrifugation and drying are currently considered too expensive for personal use, though may prove useful on a commercial and industrial scale.

Centrifuge:

A Centrifuge is a useful device for both biolipid extraction from algae and chemical separation in biodiesel. Coupled with a homogenizer, one may be able to separate biolipids and other useful materials from algae.

A centrifuge is a piece of equipment, generally driven by a motor, that puts an object in rotation around a fixed axis, applying a force perpendicular to the axis. The centrifuge works using the sedimentation principle, where the centripetal acceleration is used to evenly distribute substances (usually present in a solution for small scale applications) of greater and lesser density.

Continuous-flow centrifugation with the classical Foerst rotor  is widely used method. This method is reasonably efficient, but sensitive algal cells may be damaged by pelleting against the rotor wall and the method is essentially unselective ; all particles with a sedimentation rate above some limiting value will be collected.

The variant on zonal centrifugation known as continuous sample-flow with isopycnic banding offers a number of theoretical advantages in the concentration(and simultaneous purification)of particles:large capacity, more efficient recovery at substantially lower speeds than are required for conventional continuous-flow centrifugation, and avoidance of pelleting. Plankton including algae, have been collected in sucrose gradients in the zonal rotors, but we do not know either the efficiency of recovery or the integrity of the recovered algae.

See the following pages on Algae Harvesting:

Algae Harvesting



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