Commercial Chemicals

Zinc carbonate basic

Zinc Carbonate Basic is a hydrogen sulfide scavenger used in drilling mud with good absorption speed due to its high specific surface. Zinc Carbonate is compatible with all water-based drilling fluid systems.

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Description

Basic Zinc carbonate

Specifications:

1. Basic Zinc Carbonate 57.5% Min
2. ZnCO3-2Zn (OH)2-H2

Product Name:  Zinc Carbonate  

Molecular Formula: ZnCO3-2Zn (OH)2-H2O  
Molecular Weight: 324.23

Zinc Carbonate basic is a hydrogen sulfide scavenger used in drilling muds with good absorption speed due to its high specific surface. Zinc Carbonate is compatible with all water-based drilling fluid systems.



Specification

Item

Specifications




Zn   % ≥

57.5




Loss on dry % ≤

25-28




  Moisture % ≤

2.5




  Sulfate (SO4) % ≤

0.6




  Trash (75um mesh) % ≥

95




  Lead monoxide %  ≤

0.03




  Copper oxide %   ≤





  Manganese oxide compound % ≤





  Cadmium content% ≤

0.02




  Appearance

white powder




 


Application & Advantages

Zinc carbonate basic reacts with H2S to form Zinc Sulphide which has an extremely low solubility in water (0.0096 g/cc.) and in reaction is not reversible.

Recommended treatment

Zinc carbonate is usually added at 3.75 - 8.0kg/m³ (1.5 - 3.0lbs/BBl) depending on requirements. Zinc Carbonate is a fully effective control for Hydrogen Sulphide.

 

Package

Zinc Carbonate is available in 25 kg plastic sacks, palletized as 40 sacks per pallet.

Customized packings are available on request.

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