Abstract
Detergent powders are sometimes processed into compact tablets for cleaning purposes based on the advantage of dosage, minimised dusting and packaging its offers over their powder counterpart. The flow-ability greatly influences handling. The particle size within the powder plays a key role on handling, flow-ability and the strength of the produced compact detergent tablet. The Ariel powder used in this study was separated into different size ranges via sieving; thereafter flowability, compression and compaction were carried out. The compressibility of the powder under 2 KN compaction force was analysed using Heckel equation. It was found that at the same compaction pressure, smaller size particle powders formed compact of greater tensile strength than larger particle. However, the powder with size range of 125-180 μm showed higher flowability compared to other size range.
Highlights
It is well know that particle size and size distribution is one of the many factors that greatly impacts on the flowability of powder during handling, processing and tableting
Detergent powders have wide particle size distribution ranges giving to problems in the course of their handling
To evaluate the influence of particle size on flowability, the flow function, ffc, of each particle size ranges of the powder were measured using Schulze ring shear cell tester
Summary
It is well know that particle size and size distribution is one of the many factors that greatly impacts on the flowability of powder during handling, processing and tableting. Flowability is a vital parameter for efficient and effective transport, storage and handling of detergent powder in the detergent industries. It is the ability of the powder to flow in desired manner in a given processing or handling piece of equipment [1]. Flowability remains a crucial factor that affects the design and processing of detergent powder in handling equipment such as hoppers, silos, filling and packaging operations, conveying, etc. The Jenike flow function is mostly used to classify the flowability of powders. As poor powder flow can lead to sticking or caking during storage, prone to cohesion, ratholing, arching, poor content uniformity and poor solubility [4]
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