How Calcium Hydroxide Food Grade Is Used in Water Treatment: Practical Application Guide

Calcium Hydroxide Food Grade (氢氧化钙食品级) is one of the most widely specified industrial water plant treatment chemicals used across municipal and industrial facilities. As a slaked lime / hydrated lime, it delivers reliable performance in the scenarios our customers ask about most: Raw material for calcium hypochlorite and bleaching powder; flocculant in wastewater and waste gas treatment; petro-chemical additive, gold mining, painting, metallurgy, food.

What Calcium Hydroxide Food Grade Is and How It Works

Calcium Hydroxide Food Grade is supplied as Purity white powder. Its molecular formula is Ca(OH)2 (CAS 1305-62-0). Because of this physical form it dissolves and disperses predictably, which makes dosing and process control straightforward for plant operators.

Primary Applications

Its key application areas include: Raw material for calcium hypochlorite and bleaching powder; flocculant in wastewater and waste gas treatment; petro-chemical additive, gold mining, painting, metallurgy, food. In practice this means slaked lime / hydrated lime is selected for both routine maintenance and shock-treatment programs, depending on the water matrix and treatment goal.

• Process reliability: stable active content and consistent granule/tablet size improve dosing accuracy.
• Compatibility: works within existing dosing and storage setups common to industrial water plant treatment chemicals programs.
• Logistics: available in 25kg / 1000kg bag, simplifying import and warehouse planning.

Why Buyers Choose This Grade

When specifying Calcium Hydroxide Food Grade, buyers typically compare active content, packaging and the applicable standard (GB1886.375-2024). Selecting the right grade reduces consumption and protects downstream equipment.

Operators who also run complementary programs often pair this product with Polyferric Sulphate (Solid) SPFS to cover the full treatment chain from clarification to disinfection.

Get a Quote

We supply Calcium Hydroxide Food Grade in full container and mixed-pallet quantities with COA and MSDS for every lot. View the Calcium Hydroxide Food Grade product page for specifications, packaging options and lead times.