To appropriately manage wastewater containing cyanide, it is essential to follow what standard practice?

When managing wastewater containing cyanide, batch treatment with alkaline chlorination is the most appropriate standard practice due to its effectiveness in neutralizing cyanide compounds. Cyanide is highly toxic and can pose significant risks to human health and the environment if not handled properly.

Alkaline chlorination works by adding chlorine to wastewater in an alkaline environment, which facilitates the breakdown of cyanide into less harmful substances. This method not only reduces the concentration of cyanide to safe levels but also enables compliance with environmental regulations regarding hazardous waste disposal.

In contrast, other options such as conducting surface water sampling may help in monitoring pollution levels but do not address the treatment of cyanide-containing wastewater. Incinerating the waste directly can potentially release harmful emissions into the atmosphere and may not effectively neutralize all cyanide compounds, depending on the incineration conditions. Disposing of cyanide-laden wastewater in a regular landfill is inappropriate and dangerous, as the cyanide can leach into the surrounding environment, leading to contamination and health hazards. Therefore, batch treatment with alkaline chlorination stands out as a safe and compliant method for managing cyanide in wastewater.