Acid Generating System Heat Recovery for Wet Solid Drying
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Solution Overview
Problem
Energy-intensive thermal processes in cement production rely on fossil fuel combustion, leading to significant greenhouse gas emissions.
Innovation Solution
The system captures and utilizes heat produced during acid generation in cement production for subprocesses like drying wet solid products, reducing the need for fossil fuel combustion and associated emissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If fossil fuel combustion is used to generate heat for cement production, then high temperature processing can be achieved, but greenhouse gas emissions increase significantly
Solution Approach 1:
The patent converts the harmful waste heat generated during acid generation into a beneficial resource for drying wet solid products. The exothermic acid generation process produces heat that would otherwise be wasted, and this heat is now captured and utilized to dry wet solids, replacing the need for fossil fuel combustion and thereby reducing greenhouse gas emissions while maintaining high temperature processing capability
Solution Approach 2:
The cement production system serves itself by using internally generated heat from acid generation to dry wet solid products. This self-service approach eliminates the need for external fossil fuel sources, making the system self-sufficient for thermal energy needs and reducing its environmental footprint
2Ease of operation
If fossil fuel combustion is used to produce heat for drying wet solids, then drying can be achieved, but external heat sources and associated costs are required
Solution Approach 1:
The system uses its own internally generated heat from the acid generation process to dry wet solid products, eliminating the need for external heat sources. This self-service mechanism reduces operational complexity and removes dependency on external fossil fuel infrastructure
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
This approach minimizes CO2 emissions, simplifies the material supply chain, and reduces costs by using internally generated heat, while also potentially making cement production carbon neutral when powered by renewable energy.
Implementation Method 1
heat produced by chemical processing equipment (e.g., acid burners and/or acid absorbers) executing largely exothermic reactions
Implementation Method 2
an acid generating system configured to generate heat and an acid; a wet solids generating system configured to: dissolve a first calcium source in the acid
Implementation Method 3
a dryer configured to dry the wet solid using the heat from the acid generating system
Data Source
AI summary
Provided herein are methods and systems for using heat from acid generation, comprising: an acid generating system configured to generate heat and an acid: a wet solids generating system configured to: dissolve a first calcium source in the acid; and precipitate a second calcium source using the dissolved first calcium source to generate a wet solid; and a dryer configured to dry the wet solid using the heat from the acid generating system.