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Wood Powder Feeding Problems: Separating Moisture Effects From Particle Interlocking
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Wood Powder Feeding Problems: Separating Moisture Effects From Particle Interlocking

Bulk Solids Characterization, Cohesion, Energy Industry, Feature Article, Flowability, Hoppers, Milling, Moisture Sensitivity, Rotating Drum, Shear

Wood Powder Feeding Problems: Separating Moisture Effects From Particle Interlocking

Wood powder can bridge because fibrous particles mechanically [...]

By Stephane Sloots|2026-10-03T16:53:01+01:003 October 2026|Categories: Bulk Solids Characterization, Cohesion, Energy Industry, Feature Article, Flowability, Hoppers, Milling, Moisture Sensitivity, Rotating Drum, Shear|Tags: Biomass powder, bridging, combustible dust, dynamic vapor sorption, hopper discharge, hygroscopicity, Moisture Sensitivity, Particle interlocking, particle shape, powder flow, ratholing, Rotating drum testing, shear testing, Torrefaction, Wood powder, Wood powder feeding|0 Comments

Vibration as a Flow Aid: When It Helps Powder Flow
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Vibration as a Flow Aid: When It Helps Powder Flow

Bulk Solids Characterization, Flowability, Hoppers, Insights, Segregation

Vibration as a Flow Aid: When It Helps Powder Flow

Vibration can improve powder discharge when it breaks [...]

By Martijn Daalder|2026-06-29T13:46:30+01:0020 June 2026|Categories: Bulk Solids Characterization, Flowability, Hoppers, Insights, Segregation|Tags: bin vibration, feeder stability, flow aid, hopper vibration, powder compaction, powder discharge, powder flow, segregation, vibration, vibratory flow aid|0 Comments

Why Hopper Fill Level Changes Powder Discharge
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Why Hopper Fill Level Changes Powder Discharge

Conveying, Flowability, Hoppers, Insights

Why Hopper Fill Level Changes Powder Discharge

Do not diagnose a feeder as if the [...]

By Martijn Daalder|2026-06-27T14:42:13+01:006 June 2026|Categories: Conveying, Flowability, Hoppers, Insights|Tags: aerated bulk density, arching, Bulk density, deaeration, feeder instability, feeder pulsing, flowability, hopper discharge, hopper fill level, hopper flow, permeability, pneumatic conveying, powder compaction, powder discharge, powder flow, powder handling, ratholing, retained air, screw feeder, settled bulk density|0 Comments

Fines in Powder Behavior: Why Small Amounts Matter
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Fines in Powder Behavior: Why Small Amounts Matter

Dustiness, Flowability, Insights, Particle size distribution, Particle Size Testing, Permeability

Fines in Powder Behavior: Why Small Amounts Matter

Fines in powder behavior matter because fine particles [...]

By Martijn Daalder|2026-10-03T10:59:52+01:0023 May 2026|Categories: Dustiness, Flowability, Insights, Particle size distribution, Particle Size Testing, Permeability|Tags: air retention, D10, D50, dustiness, fine particles, fines in powder behavior, particle size analysis, particle size distribution, permeability, powder characterization, powder flow, powder handling, Powder Processing, powder testing, segregation, surface area|0 Comments

Particle Size Distribution Interpretation: Reading D10, D50, D90, Fines, and Oversize in Process Context
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Particle Size Distribution Interpretation: Reading D10, D50, D90, Fines, and Oversize in Process Context

Analytical Techniques and Methods, Know How, Particle size distribution, Particle Size Testing

Particle Size Distribution Interpretation: Reading D10, D50, D90, Fines, and Oversize in Process Context

Particle size distribution interpretation has the most value [...]

Why FIBC Discharge Problems Often Start at the Liner-Spout Interface
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Why FIBC Discharge Problems Often Start at the Liner-Spout Interface

Big Bags, Electrostatic Effects, Flowability, Hoppers, Industrial Hygiene, Insights

Why FIBC Discharge Problems Often Start at the Liner-Spout Interface

FIBC discharge problems are often blamed on the [...]

By Martijn Daalder|2026-06-27T14:42:25+01:0011 April 2026|Categories: Big Bags, Electrostatic Effects, Flowability, Hoppers, Industrial Hygiene, Insights|Tags: arching, bag discharge, big bags, dust release, FIBC discharge problems, flexible intermediate bulk containers, flow aids, liner spout interface, outlet spout, powder flow, powder handling, ratholing, venting|0 Comments

Moisture Control for Powders: Dew Point, Water Activity, and Caking Windows
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Moisture Control for Powders: Dew Point, Water Activity, and Caking Windows

Caking, Know How, Moisture Sensitivity

Moisture Control for Powders: Dew Point, Water Activity, and Caking Windows

Moisture control for powders breaks down when teams [...]

By Stephane Sloots|2026-06-27T14:42:26+01:0028 March 2026|Categories: Caking, Know How, Moisture Sensitivity|Tags: bulk solids handling, caking risk, conditioned testing, dew point, exposure points, flowability, humidity control, moisture content, moisture control for powders, Moisture Sensitivity, operating window, powder caking, powder flow, powder QA, powder storage, Powder troubleshooting, refill humidity, sticking, storage stability, water activity|0 Comments

Wall Friction and Hopper Geometry: Why Some Bins Mass Flow and Others Funnel Flow
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Wall Friction and Hopper Geometry: Why Some Bins Mass Flow and Others Funnel Flow

Bulk Solids Characterization, Feature Article, Flowability, Hoppers

Wall Friction and Hopper Geometry: Why Some Bins Mass Flow and Others Funnel Flow

Mass flow requires hopper walls that are steep [...]

By Stephane Sloots|2026-06-27T14:42:28+01:0021 March 2026|Categories: Bulk Solids Characterization, Feature Article, Flowability, Hoppers|Tags: bulk solids handling, feeder design, funnel flow, hopper design, hopper geometry, Jenike shear tester, mass flow, outlet sizing, powder flow, rat holing, segregation, silo design, stagnant zones, wall friction, wall friction testing|0 Comments

Why Powder Flow Often Fails After a Short Shutdown in Hoppers and Feeders
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Why Powder Flow Often Fails After a Short Shutdown in Hoppers and Feeders

Flowability, Hoppers, Insights, Silo storage

Why Powder Flow Often Fails After a Short Shutdown in Hoppers and Feeders

Powder flow after a short shutdown often fails [...]

By Stephane Sloots|2026-06-27T14:42:31+01:0014 March 2026|Categories: Flowability, Hoppers, Insights, Silo storage|Tags: arching, bulk solids handling, deaeration, feeder restart, hopper discharge, powder flow, Powder troubleshooting, ratholing, restart instability, time consolidation|0 Comments

Deaeration lag, why “easy flowing” powders still surge
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Deaeration lag, why “easy flowing” powders still surge

Bulk Solids Characterization, Conveying, Flowability, Hoppers, Insights

Deaeration lag, why “easy flowing” powders still surge

Deaeration lag in powders creates a timing mismatch [...]

By Stephane Sloots|2026-06-27T14:42:35+01:0014 February 2026|Categories: Bulk Solids Characterization, Conveying, Flowability, Hoppers, Insights|Tags: aeration, Bulk density, deaeration, feeder surging, hopper discharge, mass flow, permeability, powder flow, silo venting|0 Comments