Biomass Filtration
Biomass Filtration - Related Videos
05:58
Large Volume (20L+) Filtration of Coastal Seawater Samples
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Cited by 16 •
2009
This video documents large volume (≥20 L) filtration of microbial biomass, ranging between 0.22μm and 2.7μm in diameter, from the water column.
04:21
Small Volume (1-3L) Filtration of Coastal Seawater Samples
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Cited by 7 •
2009
This video documents small volume (~1 L) filtration of microbial biomass from the water column.
01:32
Filtration and Urine Formation
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2019
The function of the kidneys is to filter, reabsorb, secrete, and excrete. Every day the kidneys filter nearly 180 liters of blood, initially removing water and solutes but ultimately returning nearly all filtrates into circulation with the help of osmoregulatory hormones. This process removes wastes and toxins but is also crucial to maintain water and electrolyte levels. Most of these functions are performed by the tiny but numerous nephrons contained within the kidneys. Blood enters the renal...
02:01
Preparation of Cyanobacterial Culture for Biomass Production
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2025
Source: Jiang, H., Ho, M. Isolation and Characterization of Intact Phycobilisome in Cyanobacteria. J. Vis. Exp.(2021).This video demonstrates the procedure for culturing cyanobacteria to obtain biomass by growing cells under continuous illumination with carbon dioxide supply and nutrient-rich conditions, followed by harvesting via centrifugation.
11:38
GENPLAT: an Automated Platform for Biomass Enzyme Discovery and Cocktail Optimization
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Cited by 8 •
2011
GENPLAT (GLBRC Enzyme Platform) is an automated platform for discovery and optimization of enzyme cocktails for biomass degradation. It can be adapted to multiple feedstocks and mixtures of enzymes containing multiple components.
FAQs
Pore size determines which suspended biological particles remain on the filter and which liquid components pass through. Applied pressure or flow drives the suspension across that porous barrier, affecting how efficiently the liquid moves through the system. These variables must be matched to the biomass and desired separation so clarification improves without unnecessarily reducing recovery of dissolved products.
Filter selection controls the balance between retaining cells or other suspended material and allowing dissolved proteins, metabolites, or other products to pass into the liquid fraction. A suitable filter can improve clarification while preserving product recovery. An unsuitable choice may allow unwanted biomass through or retain material that the downstream process needs to collect.
The main influencing conditions identified for this process are the filter or membrane characteristics, the applied pressure, and the flow conditions. Together, they determine separation efficiency and the movement of liquid through the filter. Adjusting these factors is important when the goal changes from culture clarification to biomass recovery or downstream product collection.
A basic workflow begins by selecting a porous filter or membrane appropriate for the biomass-containing suspension. The suspension is then passed across the filter under controlled pressure or flow. Retained cells and other suspended material are separated from the liquid, which can be collected for clarification or product recovery. The separated fractions are then evaluated according to the process goal.
Biomass filtration is useful when a biological suspension must be clarified or when cells need to be harvested. Examples include processing cultures, treating wastewater, and preparing material for downstream recovery. It can separate microbial, plant, or animal biomass from liquids, supporting workflows in which suspended biological material would interfere with later processing or analysis.
The process can produce a clarified liquid with fewer cells and other suspended biological materials, while retaining a biomass fraction for harvesting when that is the objective. The liquid fraction may contain dissolved proteins, metabolites, or other biological products. Its value therefore depends on whether the workflow prioritizes cell collection, clarification, or downstream product recovery.