In a world increasingly conscious of environmental sustainability, even our final rites are evolving. One such innovation is Aquamation, a process that offers a gentler, eco-friendly alternative to traditional cremation and burial. Officially known as alkaline hydrolysis, Aquamation uses water and an alkaline solution to return the human body to its basic organic elements—without the need for fire.
What Exactly Is Aquamation?
Aquamation, also known as water cremation, bio-cremation, or resomation, is a body disposition process that breaks down organic matter using water, alkali (usually potassium hydroxide), heat, and sometimes pressure.
Unlike traditional flame cremation, where temperatures exceed 1,000°C, Aquamation takes place at much lower temperatures (around 150°C) in a sealed stainless-steel chamber. The process mimics natural decomposition—only much faster—reducing the body to bone fragments and a sterile liquid.
The bones are then dried and ground into a fine powder, which is returned to the family as “ashes,” just like in conventional cremation. The remaining liquid, which contains amino acids, sugars, and salts, is safely treated and released through standard wastewater systems.
How the Process Works: Step by Step
- Placement: The body is gently placed in a watertight chamber made of stainless steel.
- Solution Added: A mixture of water and an alkaline chemical is added—typically 95% water and 5% alkali.
- Heating: The chamber is heated to around 150°C, and the solution circulates for several hours.
- Decomposition: Over the course of the process, the alkaline water breaks down proteins, fats, and tissues into their basic building blocks.
- Bone Collection: After the process, soft tissue is gone, leaving only bones. These are rinsed, dried, and processed into a fine white powder.
- Final Rest: The powder is returned to the loved ones, while the liquid by-product—completely sterile and nutrient-rich—is neutralized and disposed of according to environmental regulations.
The process takes about six to eight hours, depending on body size and equipment used.
Environmental Advantages
One of the biggest selling points of Aquamation is its environmental footprint—or rather, its lack thereof.
- Lower Emissions: Traditional cremation releases significant amounts of carbon dioxide and even mercury (from dental fillings). Aquamation emits no greenhouse gases and no harmful by-products.
- Water and Energy Efficiency: Despite using water, the total environmental impact is smaller—Aquamation uses one-tenth the energy of flame-based cremation.
- Chemical Safety: The alkaline solution is completely neutralized after use, leaving behind only a sterile liquid that poses no environmental threat.
- No Fire, No Smoke: The process avoids the symbolic harshness and physical violence associated with open-flame cremation, making it emotionally easier for some families.
Notably, Archbishop Desmond Tutu, a Nobel Peace Prize laureate and lifelong environmental advocate, chose Aquamation for his own remains in 2021—bringing global attention to the practice.
Cultural and Legal Landscape
While Aquamation is gaining traction in the West, it’s not yet universally accepted.
- In the United States, it’s legal in more than 25 states, including California, Florida, and Oregon.
- In Canada and the UK, funeral homes have begun offering it as a green alternative.
- However, many Asian and European countries are still in the process of evaluating the technology’s ethical and regulatory implications.
In India, Aquamation is still largely unknown and unregulated, although environmental advocates and spiritual leaders are beginning to discuss it as a potential alternative to pyre-based cremation, which consumes large quantities of wood and contributes to air pollution.
Religious acceptance also varies. Some Christian and secular groups view Aquamation positively as a “return to nature
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