Bentonite Clay Litter Dust Suppression via Alkoxylate Coating
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Bentonite clay-based animal litter generates excessive dust during handling, which previous solutions like salt solutions and mineral oil coatings either reduce absorbent effectiveness or impact litter performance.
Innovation Solution
Coating bentonite clay with alkoxylate dust suppression agents, such as those with specific alkyl and ethyleneoxy/propyleneoxy compositions, to reduce dust formation without compromising absorbency or litter performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If bentonite clay is used as carrier material in animal litter, then absorbent effectiveness is improved, but dust formation increases
Solution Approach 1:
The patent introduces a dust suppression agent as an intermediary substance that coats the bentonite clay particles. This coating acts as a mediator between the bentonite clay and the environment, reducing dust formation while preserving the absorbent properties of the bentonite clay itself.
Solution Approach 2:
The patent creates a composite material system combining bentonite clay with a dust suppression agent. The composite structure consists of bentonite clay particles coated with the dust suppression agent, achieving both dust reduction and maintained absorbency through the synergistic combination of materials.
2Object-generated harmful factors
If salt solutions (CaCl2 and MgCl2) are used to reduce dusting, then dust formation is reduced, but absorbent effectiveness deteriorates
Solution Approach 1:
The patent changes the chemical parameters of the dust suppression agent by using alkoxylate materials with specific molecular structures (formula I with R-O-(AO)z-H where AO is ethyleneoxy, propyleneoxy, or butyleneoxy). This chemical parameter change allows the dust suppression agent to reduce dusting without the negative side effects of salt solutions, maintaining absorbent effectiveness.
3Object-generated harmful factors
If mineral oil is used to coat litter particulates to reduce dust formation, then dust formation is reduced, but surface area is reduced
Solution Approach 1:
The patent changes the physical and chemical parameters of the coating material by using alkoxylate materials instead of mineral oil. The alkoxylate coating provides dust suppression while maintaining the surface area and porosity needed for effective urine and feces absorption, avoiding the binding effect of mineral oil that reduces surface area.
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
Significantly reduces dust formation during handling while maintaining the absorbent effectiveness of the bentonite clay, as demonstrated by lower turbidity readings and settled particle measurements.
Implementation Method 1
coating the bentonite clay with a dust suppression agent having a chemical composition as described here
Implementation Method 2
the effectiveness of the bentonite to collect and absorb urine and feces
Data Source
AI summary
Provided is a carrier material and its use in animal litter, where the carrier material exhibits reduced dust formation during handling. The carrier material comprises: bentonite clay; and a dust suppression agent coated on the bentonite clay, wherein the dust suppression agent is one or more alkoxylate materials of formula (I): R—O-(AO)2—H, wherein R is H, aryl (e.g., phenyl), or linear or branched C4-C24 alkyl; AO at each occurrence is independently ethyleneoxy, propyleneoxy, butyleneoxy, or random or block mixtures thereof; and z represents average number of moles of AO and ranges from 1 to 80.