Precision Screening Solutions for Modified Starch Processing

Modified starch finds a myriad of uses across different industries-from food, pharmaceutical, textile, and adhesives. It is simply native starch from corn, tapioca, potato, or wheat that has been chemically, enzymatically, or physically altered to improve functionality for particular applications. These modifications apply to stability, solubility, viscosity, and performance properties of starch to make it more appropriate to processing or end-use in several sectors.

Whether it’s thickening soups in the food industry, strengthening paper coatings, stabilizing cosmetic formulations, or enhancing tablet binding in pharmaceuticals, the demand for high-quality, impurity-free modified starch is growing. But achieving a level of consistency and quality starts with screening and filtration — a very important process that requires the use of Galaxy Sivtek’s precise vibratory screening equipment.

Key Screening Stages that Define Product Quality

The process of manufacturing modified starch takes place over several stages, from the initial cleaning and slurry preparation stage, through chemical or enzymatic modification, until the dry and final packaging stage. During manufacturing, are three stages which are critical from a screening and filtration point of view that can directly affect the quality, purity and usability of the finished product.

1. Initial Screening – Maximize Purity from the Start

In the primary stage, raw starch is blended with water to form a slurry. This slurry contains coarse impurities such as coarse particles, fiber, or husk remains. These must be removed before the slurry undergoes any treatment or modification-and the Roto Sifter 1350 definitely fulfills this purpose.

The Roto Sifter 1350 is a high-capacity centrifugal sifter that is ideal for wet screening and is designed to separate fibrous and coarse impurity from starch slurry, in a gentle manner, maintaining the starch slurry as it is not designed to vibrate at high frequency. The non-vibratory action prevents starch from being degraded, while achieving high capacities.

Key advantages:

• Effortless handling of wet starch slurry
• High throughput with minimal energy usage
• Prevents clogging in downstream processes
• Guarantees a clean feed for chemical/physical modification

Additionally, in certain configurations, a self-cleaning filtration system may be used post-reaction to stabilize the slurry before drying, but the foundation of quality is already laid during the initial wet screening stage.

2. Final Dry Powder Screening – Ensuring Market-ready Quality

After the starch has been dried in flash or spray drying processes, the powder may contain lumps or agglomerates or oversized particles that may detract from the powder’s flowability and uniformity, which may be especially important for high-end applications with product specifications (e.g., pharmaceutical, cosmetic, food processing).

For that all-important step, the Galaxy Sivtek Super Sieve Vibro Separator with Ultrasonic Sivtek System provides unmatched screening accuracy and consistency.

• Super Sivtek enables high-capacity sieving and can handle bulk volumes of dry modified starch while maintaining precise separation. The Super Sivtek is robustly designed and can accommodate 24-7 operation with limited downtime.
• Ultrasonic Sivtek improves the screening of fine powders and eliminates screen blinding. Ultrasonic Sivtek delivers ultrasonic vibrations to the surface of the screen and keeps the mesh clean, increasing throughput while not sacrificing quality.

Together, they form a powerful combo that delivers:

• Dust-free, lump-free starch powder
• Enhanced fine particle separation
• Higher screening capacity
• Consistent particle size distribution
• Greater customer satisfaction

This aspect is critical for businesses that use starch with a fine, uniform consistency, such as pharmaceutical tablets, powdered cosmetics, or baking formulas.

Why It Matters: Application-driven Benefits

Each industry requires a particular attribute of modified starch, and direct screening caters to that exact need:

• In food-related manufacturing, starch is modified to improve the stability of the soups, sauces, or bakery items with respect to temperature conditions. The cleaner and more uniform the starch, the better the texture and mouthfeel.
• In the paper industry, screened starch boosts surface coating and strength, making printing easier and the final product more durable.
• Textile applications benefit from better adhesion during warp sizing and finishing.
• In pharma, uniformity of starch creates better solubility and consistent drug release behaviour.
• In cosmetics, fine starch particles create smooth, non-reactive textures that enhance product quality.
• Adhesive-wise, purity and consistency maintain desired bonding strengths and viscosities.

By utilizing Galaxy Sivtek equipment for effective sieving and filtration, manufacturers can uphold high standards across all these industries.

Final Thoughts

Initially, the modified starch is the raw agricultural product but having been well-processed down various steps of manufacture and screening, it gets converted into a high-value ingredient depending on industrial requirements.

The Sivtek Roto Sifter 1350, Super Sivtek, and Ultrasonic Sivtek are not only mere machines—they enforce consistency, quality, and operational excellence in starch processing. If you’re looking for growth in starch production and strict adherence to specifications, it’s time to think about installing solutions like these.

Ready to refine your modified starch process?
Reach out to Galaxy Sivtek — your partner in precise, high-performance sieving and filtration.