Overview
Deodorizing quicklime powder, chemically known as calcium oxide (CaO), is a versatile industrial compound derived from heating limestone. Its high alkalinity and reactivity make it effective for neutralizing acidic odors, absorbing moisture, and sanitizing surfaces. Widely used in agriculture to amend soil pH and in waste management to control landfill odors, it is also employed in water treatment and construction. The powder reacts exothermically with water, releasing heat and forming calcium hydroxide, which further enhances its deodorizing properties. In B2B markets, the product is typically sold in bulk quantities with varying purity grades. Suppliers often provide technical specifications, including particle size and reactivity, to meet industry-specific needs. Its cost-effectiveness and multifunctionality ensure steady demand across sectors requiring odor and moisture control.
Physical and Chemical Properties
Deodorizing quicklime powder is characterized by its white to grayish appearance and fine, granular texture. It has a high melting point of 2,572°C and a density of 3.34 g/cm³, making it stable under extreme conditions. The compound is highly hygroscopic, readily absorbing water vapor from the environment, which triggers an exothermic reaction producing calcium hydroxide (slaked lime). Its alkalinity (pH ~12.4) enables it to neutralize acidic compounds like hydrogen sulfide, a common source of foul odors in organic waste. The powder is insoluble in organic solvents but reacts vigorously with water, requiring careful handling to avoid thermal burns. These properties underpin its efficacy in applications ranging from industrial hygiene to environmental remediation.
Main Applications
The primary use of deodorizing quicklime powder is odor control in waste treatment facilities, livestock farms, and public sanitation systems. By reacting with sulfurous and nitrogenous compounds, it eliminates malodorous gases. In agriculture, it serves as a soil amendment to reduce acidity and improve crop yields, while also disinfecting animal housing to prevent disease spread. Industrially, it is utilized in flue gas desulfurization (FGD) to scrub sulfur dioxide from emissions. Construction sectors employ it for drying wet soils or stabilizing clay-rich grounds. Emerging applications include food preservation and chemical manufacturing, where its reactivity is leveraged for pH adjustment and synthesis processes. Its versatility ensures cross-sector demand, particularly in regions with stringent environmental regulations.
Safety and Storage
Due to its corrosive nature, deodorizing quicklime powder requires strict safety protocols. Direct contact can cause skin and eye irritation, necessitating PPE such as gloves, goggles, and dust masks. Inhalation of airborne particles may lead to respiratory distress; thus, workplaces should ensure adequate ventilation or use closed handling systems. Storage demands airtight, moisture-proof containers, often lined with polyethylene, to prevent premature reaction with humidity. Bulk storage silos should be equipped with humidity controls. Fire hazards are minimal, but its exothermic reaction with water mandates separation from aqueous solutions. Emergency measures include rinsing affected areas with water (for contact) and seeking medical attention for inhalation exposure. Suppliers typically provide Material Safety Data Sheets (MSDS) for compliance.
B2B Procurement Guide
B2B buyers should prioritize suppliers with ISO or industry-specific certifications to ensure product consistency and safety. Key procurement criteria include CaO purity (≥90% for most applications), particle size (fine powder for faster reactivity), and packaging options (25-kg bags to bulk吨 bags). Pricing fluctuates with raw material costs and logistics, but bulk purchases (10+ metric tons) often secure discounts. Evaluate suppliers for traceability, testing reports, and just-in-time delivery capabilities. Regional availability of limestone quarries may reduce transportation costs. For specialized uses (e.g., food-grade lime), verify compliance with FDA or equivalent standards. Negotiate contracts with clauses for quality disputes and batch testing to mitigate risks.
Related Manufacturers
- 主营：[]
- 主营：片碱、工业盐、葡萄糖、漂白粉、生石灰、元明粉、硅藻土、石蜡、甲酸、氯化铝、聚丙烯酰胺、消泡剂、次氯酸钠、大苏打、硫酸亚铁、磷酸三钠、磷酸二氢钾、无水氯化钙、尿素、醋酸钠、除磷剂、纯碱
- 主营：白云石、石英砂、金刚砂、重钙粉、陶土粉、重晶石粉、石英粉、橡胶粉、麦饭石粉、滑石粉、长石粉、白云石粉、硅微粉、珍珠岩粉、偏高岭土粉、高岭土、膨润土、铝矾土、蛭石、轻质碳酸钙、凹凸棒土、粘土球、氧化钙、氢氧化钙
- 主营：清塘生石灰、块状生石灰、杀菌脱硫生石灰、建材脱硫生石灰
- 主营：硫酸亚铁、聚丙烯酰胺、聚合氯化铝、石灰、漂白粉、活性炭、纯碱、片碱、次氯酸钠、醋酸钠、硫酸铝、焦亚硫酸钠、消泡剂、水玻璃、柠檬酸、葡萄糖
- 主营：水处理药剂、活性炭吸附系列、污水处理曝气器系列、氢氧化钙生产厂家、净水滤料系列、多种净水材料
- 主营：硅藻土、赤铁红、红土黄土、铁砂铁粉、滑石粉、沸石粉、木粉、磁粉、石英粉、萤石粉、重晶石粉、珍珠岩粉、粉煤灰、远红外粉、重钙、轻钙、膨润土、锰砂、硅灰、活性白土、高岭土、莫来砂、白水泥
- 主营：氧化钙、吸收剂、氢氧化鑫安、灰钙粉、石灰粉、高纯氧化钙粉末、消解熟石灰、块状生石灰原料、工业氢氧化钙粉、脱硫用生石灰、水处理熟石灰粉、活性轻质碳酸钙、纳米轻质碳酸钙、超白活性轻质碳酸、超白轻质碳酸钙、氢氧化钙颗粒、氧化钙颗粒、优质氢氧化钙、优质氧化钙、优质氢氧化钙颗粒、优质氧化钙颗粒、二氧化碳吸附剂、氢氧化钙颗粒料、高活性氧化钙、高活性氢氧化钙
- 主营：软化剂、补钙剂、无机碱、环保石灰、工业级石灰、环保消石灰、环保熟石灰、灌装散装石灰粉、土壤改良生石灰、密封包装、食品添加剂、环保氧化钙、灰氢氧化钙、环保氢氧化钙、高纯度氢氧化钙
- 主营：膨润土、电气石、莫来砂、杨木粉、云母粉、蛭石粉、碳粉200目、叶腊石粉、海泡石粉、火山石粉、重晶石粉、珍珠岩粉、硅藻土、碳酸钙、石英砂、有机覆盖物、80目锯末、云母20目、防火材料、高岭土、沸石、橡胶涂料、膨胀蛭石、空心漂珠、油田堵漏剂
- 主营：水泥瓦、胶粘剂、空心砖、粉煤灰、烧结砖、轻质砖、隔墙板、石膏板、材料彩瓦、地面砂浆、加固材料、材料水泥、多孔红砖、绿色环保、陶土植草砖、水泥植草砖、道路沥青材料、聚合物防水砂浆、蒸压加气混凝土砌块、自保温陶粒泡沫混凝土、包管烟道、地铁隧道构件、华新环保砖、华新水泥标砖、打包沙
- 主营：珍珠岩、蛭石、石英砂、氧化钙生石灰、氢氧化钙熟石灰、滑石粉、木粉、生物质颗粒、碳酸钙、膨润土、高岭土、铝矾土、夜光石、陶瓷球、陶瓷砂、玻璃砂、云母岩片、氧化铁、金刚砂、橡胶颗粒、喷涂棉、白云石
- 主营：膨润土、贝壳彩片、孵化蛭石、重晶石粉、萤石粉、铝矾土粉、托玛琳粉、防沉淀滑石粉、木粉、生物质颗粒、石英砂滤料、精制石英砂、海泡石纤维、造景夜光石、除锈石英砂、超细氧化钙、白色鹅卵石、高岭土、夜光石、莫来砂、麦饭石、沸石、钢结构防火涂料、金刚砂、铝矾土
- 主营：膨润土、云母、云母岩片、生石灰氧化钙、熟石灰氢氧化钙、碳酸钙粉、滑石粉、玻璃粉、木粉、电气石粉、锗石粉、珍珠岩、蛭石、硅藻土、玻璃砂、陶瓷球、陶瓷砂、铝矾土、海泡石、木质纤维、橡胶颗粒、轮胎颗粒、石英砂、白云石
- 主营：填充母料、工业级氧化钙、氧化钙、生石灰块、生石灰、石灰、石灰厂、熟石灰、石灰块、石灰粉、氢氧化钙
- 主营：十二烷基硫酸钠、十二烷基苯磺酸钠、混凝土速凝剂、石膏粉、锚固剂、硫氰酸铵、柴油降凝剂、甲酸钠