High-Temperature Reactor Desalination Through Salt Precipitation
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Solution Overview
Problem
Existing desalination technologies are inefficient and energy-intensive, particularly for treating high-salt-content waters like sea water, brackish water, and wastewater, and often rely on reverse osmosis or membrane technologies that have high carbon footprints.
Innovation Solution
A multi-stage treatment process involving primary, secondary, and tertiary treatments, including pH adjustment, chemical addition, and high-temperature reactors to form insoluble products, which are then filtered out, utilizing heat generation for self-sustaining operation without external energy input.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If reverse osmosis or membrane technologies are used for desalination, then salt removal effectiveness is improved, but energy consumption and carbon footprint increase
Solution Approach 1:
The patent changes the fundamental parameters of the desalination process by using thermal energy at high temperatures (350-500°F) to drive chemical reactions that precipitate salts, rather than using high-pressure membrane filtration. This involves adjusting pH levels, adding chemical additives, and maintaining specific temperature and pressure conditions to enable salt removal through precipitation and filtration mechanisms
Solution Approach 2:
The patent replaces the mechanical membrane filtration system (reverse osmosis) with a chemical-thermal system involving pH adjustment, chemical additive reactions, high-temperature heating, and solid-liquid separation. This substitution eliminates the need for high-pressure pumps and membrane materials while achieving salt removal through exothermic chemical reactions and gravitational settling
2Productivity
If high-temperature reactors are used to form insoluble salt products, then salt removal efficiency is improved, but system complexity increases
Solution Approach 1:
The patent divides the desalination process into three distinct treatment stages: primary treatment (pH adjustment and chemical additive addition), secondary treatment (high-temperature reactor operation where salts precipitate), and tertiary treatment (filtration and solid-liquid separation). This segmentation allows each stage to be optimized independently while managing overall system complexity
Solution Approach 2:
The high-temperature reactor serves multiple functions simultaneously: it heats the liquid to enable chemical reactions, maintains pressure to keep water in liquid state, facilitates exothermic reactions that precipitate salts, and enables solid-liquid separation. This multi-functionality reduces the need for separate dedicated equipment for each function
3Productivity
If external heating systems are used to maintain high temperature, then reaction efficiency is improved, but energy independence is reduced
Solution Approach 1:
The patent designs the system to be self-sustaining by utilizing the exothermic heat generated from the chemical reactions within the reactor to maintain the required high temperature. The heat produced by the precipitation reactions themselves is sufficient to sustain the thermal conditions needed for continuous operation, eliminating or minimizing the need for external energy inputs
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
The system effectively removes salts and contaminants from high-salt-content waters, operates with a reduced carbon footprint, and generates heat usable in treatment processes, providing a self-sustaining and efficient desalination solution.
Implementation Method 1
the at least one reactor is configured to heat the liquid to a temperature of at least 350° F. and to supply a pressure to the liquid to maintain the liquid in a liquid state
Implementation Method 2
the dissolved salt of the liquid is configured to react with at least a portion of the at least one chemical additive to form an insoluble product within the at least one reactor
Implementation Method 3
heat is produced when the insoluble product is formed within that at least one reactor
Implementation Method 4
the system further comprises at least one heat exchange unit, the at least one heat exchange unit being configured to transfer heat from the liquid at one location of the system to the liquid at a different location of the system
Data Source
AI summary
According to some embodiments, a system for desalination of a liquid comprises at least one primary treatment process, at least one secondary treatment process, wherein the at least one secondary treatment process comprises at least one reactor, and at least one tertiary treatment process, wherein the at least one primary treatment process is configured to adjust a pH of the liquid to target pH level and to add at least one chemical additive to the liquid, wherein the at least one reactor is configured to heat the liquid to a temperature of at least 350° F. and to supply a pressure to the liquid to maintain the liquid in a liquid state, and wherein the dissolved salt of the liquid is configured to react with at least a portion of the at least one chemical additive to form an insoluble product within the at least one reactor.