Answer: 

Guiding Principle: Prioritize safety, environmental protection, and regulatory compliance

General Disposal Guidelines (Global Applicability):
Nature of Material: Used desiccants are typically non-toxic and harmless.
Standard Recommendation: In most cases, they may be disposed of as general waste.
Important Note: Waste disposal regulations vary significantly by country and region. To ensure compliance, we strongly advise consulting your local environmental agency or waste management authority for precise, up-to-date guidance before disposal.

Special Considerations for the EU (Stricter Regulatory Requirements):
Legal Basis: Within the EU, desiccant waste disposal must comply with relevant regulations, particularly EU Directive 91/689/EEC (on hazardous waste) and its national implementations (e.g., Sweden’s SFS 2011:927 Waste Ordinance).
Key Requirements:

• Prevent Contamination: Disposal, transport, storage, or handling must not cause soil, water, or environmental pollution.
  Specific Disposal Methods:

1. Desiccant Contents (Adsorbent Material):
   • Typically requires professional disposal at government-approved facilities, often together with its container (if single-use packaging), per local regulations.
   • Never rinse contents into drains, rivers, lakes, or other water bodies.
2. Desiccant Packaging:
   • Empty & intact packaging: Treat as general waste (incineration with energy recovery recommended).
   • Empty & thoroughly cleaned packaging: May be recycled (e.g., plastic packaging: EU Waste Code EWC 15 01 02).

Summary:

• Safety First: While desiccants are generally safe, proper disposal protects our environment.
• Compliance is Paramount: Always follow your jurisdiction’s current laws, regulations, and official guidelines. When in doubt—especially in regulated regions like the EU—consulting local environmental authorities is essential and responsible.