Ammonium-Functionalized Saccharide Polymers for Mining Contaminant Removal
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Solution Overview
Problem
Current approaches for contaminant removal and fines mitigation in mining operations are less effective and more costly than desired, often having an undesirable environmental profile and high operational expenses.
Innovation Solution
The use of functionalized saccharide polymers, derived from a reaction product of a saccharide polymer and diallyldimethylammonium chloride (DADMAC), which can be applied in froth flotation processes for contaminant separation and as a coating to mitigate dust formation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If conventional flocculants (organic or inorganic) are used for contaminant removal, then contaminant separation efficiency is improved, but environmental profile deteriorates and production costs increase
Solution Approach 1:
The patent modifies the chemical structure and properties of biopolymer flocculants by controlling molecular weight, degree of substitution, and functional group composition to optimize both performance and environmental compatibility. This allows achieving conventional flocculant efficiency while maintaining biodegradability and reducing toxicity.
Solution Approach 2:
The invention creates composite flocculant systems combining multiple biopolymer components with complementary functions - some components provide flocculation while others provide biodegradability and environmental safety. This composite approach achieves superior contaminant removal compared to single-component biopolymers while maintaining eco-friendly profile.
2Object-affected harmful factors
If biopolymer flocculants are used instead of organic or inorganic flocculants, then environmental profile is improved, but productivity and flocculating efficiency deteriorate
Solution Approach 1:
The patent systematically optimizes biopolymer parameters including molecular weight distribution, hydroxyl value, and substitution degree to enhance flocculation kinetics and floc strength. These parameter adjustments enable biopolymer flocculants to match or exceed the efficiency of conventional alternatives while maintaining environmental benefits.
Solution Approach 2:
The invention introduces specific functional groups and intermediate structures in the biopolymer chain that act as mediation points for contaminant binding and floc formation. These intermediary structures facilitate efficient contaminant capture while preserving the biodegradable nature of the polymer backbone.
3Object-affected harmful factors
If engineering approaches (ventilation, water sprays, physical barriers) are used for dust control, then dust suppression is improved, but operational cost and complexity increase
Solution Approach 1:
The patent replaces complex mechanical dust control systems (ventilation, water sprays, physical barriers) with a chemical coating solution that passively suppresses dust generation. The coating forms a protective layer on particulate materials, preventing aerosolization without requiring mechanical intervention or complex operational protocols.
Solution Approach 2:
The invention employs a cost-effective coating formulation that can be applied economically to control dust. The coating material is designed to be applied in small amounts and provides sustained protection, replacing expensive and complex mechanical dust control infrastructure with a simpler, more economical chemical approach.
4Object-affected harmful factors
If conventional dust control coatings containing inorganic chloride salts are applied, then dust suppression is improved, but environmental friendliness deteriorates and corrosion increases
Solution Approach 1:
The patent eliminates harmful inorganic chloride salts from the coating formulation while maintaining effective dust suppression through alternative biopolymer-based mechanisms. The coating achieves dust control through natural adhesive and film-forming properties of modified biopolymers, converting a potentially harmful chemical approach into a beneficial, eco-friendly solution that also prevents corrosion.
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 functionalized saccharide polymers enhance the efficiency of contaminant removal and dust control, offering improved environmental sustainability and reduced material costs compared to conventional methods.
Implementation Method 1
Froth treatments utilize a flocculant, also known as a flocculating agent or frothing agent, to promote formation of a froth for sequestering a contaminant from a product stream
Implementation Method 2
Another approach for mitigating the presence of fines involves applying a coating to a particulate material, thereby tempering the ability of the fines to aerosolize into dust particles
Implementation Method 3
The use of functionalized saccharide polymers, derived from a reaction product of a saccharide polymer and diallyldimethylammonium chloride (DADMAC)
Data Source
AI summary
Metal contaminants may be problematic in a number of industries, particularly in the mining industry. Fines production and dust control may be similarly problematic in many industries, including the mining industry. Reaction products formed from a saccharide polymer and diallyldimethylammonium chloride (DADMAC) under room temperature to heating conditions in the presence of a hydroxide base or a radical initiator may be effective for promoting removal of metal contaminants from clay-containing substances, such as through froth flotation. The reaction products may also be effective for mitigating fines production and providing dust control by forming a coating upon a plurality of particulates.