Tallow-Based Solidification for Hydrocarbon Spill Remediation
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Solution Overview
Problem
Existing methods for solidifying hydrocarbons and fatty substances on surfaces are inefficient, often requiring bulky absorbents, hazardous chemicals, or environmentally harmful agents, which pose risks and are not easily reusable, especially for large-scale aquatic pollution.
Innovation Solution
A process using a composition predominantly composed of bovine or ovine tallow, heated to a liquid state, is applied to the pollutant, allowing for rapid solidification and easy collection, with optional acid treatment and compressed gas or mechanical preparation to enhance distribution, and subsequent separation and reuse of the tallow and hydrocarbons.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If absorbent products are used to absorb liquid pollutants, then absorption capacity is improved, but the products become bulky and difficult to spread, and may hydrate and drag pollutant to the bottom
Solution Approach 1:
The invention uses phase transition of tallow from liquid to solid state to solidify hydrocarbon spills. The tallow is applied in liquid form at elevated temperature and solidifies upon contact with the hydrocarbon layer, forming a solidifiable complex that remains on the surface. This avoids the bulkiness and hydration issues of absorbent products while maintaining effective pollutant containment.
Solution Approach 2:
The invention replaces mechanical absorbent materials with a thermal-based solidification process. Instead of relying on physical absorption mechanisms that require bulky materials, the process uses temperature-controlled phase transition of tallow to achieve solidification, eliminating the need for large quantities of spreadable absorbent material.
2Reliability
If polymerizing or gelling chemical agents are used to solidify hydrocarbons, then solidification effectiveness is improved, but the agents are often solid particles that are difficult to handle and may cause residual pollution
Solution Approach 1:
The invention changes the physical state parameter of the solidifying agent from solid particles to liquid form. Tallow is heated to its melting point or above to become liquid, making it easy to pour and distribute over the hydrocarbon spill. Upon cooling and contact with the hydrocarbon, it solidifies to form the desired solidifiable complex, combining ease of handling with solidification effectiveness.
Solution Approach 2:
The invention uses tallow, a readily available and inexpensive animal fat, as the solidifying agent. Unlike expensive specialized polymerizing agents, tallow is a common material that can be easily sourced and disposed of or recycled after use, reducing both handling complexity and cost while maintaining solidification effectiveness.
3Reliability
If heated candle wax or paraffin is used to solidify hydrocarbons, then solidification is achieved, but the wax or paraffin are themselves pollutants especially for aquatic animals
Solution Approach 1:
The invention converts a potentially harmful substance (tallow, an animal fat) into a beneficial solidifying agent. While tallow is organic and could be considered a pollutant, it is biodegradable and naturally occurring. When used to solidify hydrocarbon spills, it creates a solidifiable complex that can be easily removed from the environment, ultimately reducing overall pollution rather than adding to it.
Solution Approach 2:
The invention creates a composite material by combining tallow with hydrocarbons to form a solidifiable complex. This composite has properties of both components but with improved characteristics - the hydrocarbon provides the pollutant to be removed while the tallow provides the solidifying mechanism, resulting in a material that is easier to handle and remove than either substance alone.
4Reliability
If molten fat is used to remove petroleum products from aqueous environment, then solid hold is formed, but solidification time is very long and sensitive to water temperature, and significant proportion of petroleum product is not recovered
Solution Approach 1:
The invention optimizes the temperature parameter of the applied tallow, heating it to its melting point or above to ensure it is in liquid form during application. This controlled temperature parameter ensures rapid solidification upon contact with the hydrocarbon spill, reducing solidification time and minimizing sensitivity to ambient water temperature variations.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables instant and efficient solidification of hydrocarbons or fatty substances over large surfaces, including aquatic areas, with minimal composition usage, ensuring ecological treatment and complete pollutant removal, and allows for the reuse of the tallow and hydrocarbons.
Implementation Method 1
a composition is heated comprising, at least in major proportion by volume relative to the total composition, bovine or ovine tallow, and optionally, an agent plasticizer, at a temperature of at least 45° C.
Implementation Method 2
The composition is brought into contact with the material to be solidified, by pouring the composition onto the material to be solidified while said composition is in the liquid state, to thus obtain a solid complex material
Data Source
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AI summary
Process and device for converting hydrocarbons or fatty substances that are in substantially liquid form to solid form, especially for the environmental remediation of surfaces or sites polluted by these hydrocarbons or fatty substances, characterized in that the material to be converted to solid form is brought into contact with a composition heated to the liquid state, comprising, at least in the majority proportion, tallow, and optionally a fluidizing agent, thus obtaining a solid complex material, that is easy to collect, and that can be reprocessed in order to recover the material.