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Title: Impacts of caking on corn stover – An assessment of moisture content and consolidating pressure

Journal Article · · Powder Technology
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]
  1. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States). Chemical Diagnostics and Engineering Division
  2. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States). Weapons Systems Division Office
  3. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States). Material Physics and Applications Division

Caking or time consolidation of powders is a serious problem which can hinder productivity and overall feasibility of various industrial processes. Here this study focuses on the impacts moisture content and consolidating pressures can have on 2 mm corn stover samples after undergoing a drying treatment at different times. Individually, moisture content and consolidating pressure did not exhibit any significant changes throughout the modified variable flow rate tests using the FT4 powder rheometer. However, applying both variables simultaneously yielded higher-than-usual energy outputs from the corn stover, indicative of biomass agglomeration due to the moisture and its subsequent evaporation while under pressure via the induced consolidating pressure. However, despite the increase in energy usage, time dried did not have a direct effect and demonstrated no trend.

Research Organization:
Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Office of Sustainable Transportation. Bioenergy Technologies Office (BETO); USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
89233218CNA000001
OSTI ID:
2329259
Report Number(s):
LA-UR-23--33902
Journal Information:
Powder Technology, Journal Name: Powder Technology Vol. 438; ISSN 0032-5910
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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