تكرير السكر وتبلوره

تحويل قصب السكر الخام إلى بلورات سكروز بيضاء نقية

Food Processing & Preservation Global Industrial Scale $45 billion

نظرة عامة

Sugar refining transforms raw cane or beet sugar into refined white sucrose through a series of dissolution, purification, and recrystallization steps. The process removes color bodies, minerals, and organic impurities to produce >99.9% pure sucrose crystals. Global production exceeds 180 million tons annually, with Brazil and India as the largest producers. The process represents one of the oldest and largest-scale purification operations in the food industry.

العملية الكيميائية

Raw sugar is dissolved in hot water to form a syrup (~65 Brix), then purified by carbonatation (adding lime and CO₂) or phosphatation to remove impurities. The clarified liquor is decolorized through activated carbon or ion exchange, concentrated by multi-effect evaporation, and crystallized in vacuum pans under controlled conditions.

Ca(OH)₂ + CO₂ → CaCO₃↓ + H₂O (carbonatation — CaCO₃ adsorbs impurities)
C₁₂H₂₂O₁₁ (dissolved, supersaturated) → C₁₂H₂₂O₁₁ (crystals) (crystallization)

المواد الخام

  • Raw cane sugar (C₁₂H₂₂O₁₁) — Sugar mills crushing sugarcane (Crude sucrose)
  • Calcium hydroxide (Ca(OH)₂) — Lime kiln (Clarification agent)
  • Carbon dioxide (CO₂) — Lime kiln flue gas (Carbonatation agent)

المنتجات النهائية

  • Refined white sugar (sucrose) — Food ingredient and sweetener (>99.9% purity, ICUMSA 45)
  • Molasses — Animal feed, fermentation substrate, rum production (Byproduct containing residual sugars and minerals)
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Environmental Impact

Sugar refining uses large quantities of water and energy for evaporation. Bagasse (sugarcane fiber) is burned as biomass fuel, making many sugar mills energy self-sufficient. Wastewater with high BOD requires treatment. Modern mills achieve near-zero discharge by recycling washwater.

اعتبارات السلامة

الابتكارات الحديثة

Membrane filtration (nanofiltration and ultrafiltration) is being adopted for syrup clarification, reducing chemical usage.
Continuous centrifugal crystallization improves energy efficiency.
Some mills co-produce bioethanol from molasses.

حجم الإنتاج

180000000

طن/سنة

$45 billion

القيمة السوقية

المزيد في %(name)s Food Processing & Preservation

إنتاج الجلوتامات أحادية الصوديوم (MSG) بالتخمير

Global Industrial Scale

إنتاج حمض الستريك بتخمير أسبرجيلوس نيجر

Global Industrial Scale

إنتاج حمض الفوسفوريك الصالح للأغذية

Global Industrial Scale

إنتاج حمض اللاكتيك للحفظ الغذائي

Global Industrial Scale

الإنتاج الإنزيمي لشراب الذرة عالي الفركتوز (HFCS)

Global Industrial Scale

التخليق الصناعي لفيتامين C (حمض الأسكوربيك)

Global Industrial Scale

تخمير الإيثانول للاستخدام في المشروبات والصناعة

Global Industrial Scale

Frequently Asked Questions

What industry uses تكرير السكر وتبلوره?
تكرير السكر وتبلوره is used in the food processing & preservation sector at global industrial scale scale.
What process is involved in تكرير السكر وتبلوره?
Raw sugar is dissolved in hot water to form a syrup (~65 Brix), then purified by carbonatation (adding lime and CO₂) or phosphatation to remove impurities. The clarified liquor is decolorized through activated carbon or ion exchange, concentrated by multi-effect evaporation, and crystallized in vacu
What is the economic significance of تكرير السكر وتبلوره?
تكرير السكر وتبلوره has a market value of $45 billion and annual production of 180,000,000 tons.
What is the environmental impact of تكرير السكر وتبلوره?
Sugar refining uses large quantities of water and energy for evaporation. Bagasse (sugarcane fiber) is burned as biomass fuel, making many sugar mills energy self-sufficient. Wastewater with high BOD requires treatment. Modern mills achieve near-zero discharge by recycling washwater.
What raw materials are used in تكرير السكر وتبلوره?
The main raw materials include: Raw cane sugar (C₁₂H₂₂O₁₁), Calcium hydroxide (Ca(OH)₂), Carbon dioxide (CO₂).