Non-Cement Binder Animal Litter Reducing Alkalinity and Ammonia
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Solution Overview
Problem
Conventional animal litters using cement-solidified zeolite particles have high pH levels, leading to alkaline component adherence and health risks for animals, and generate excessive ammonia, causing unpleasant odors.
Innovation Solution
The use of particulate matter composed of inorganic porous particles bound by a non-cement hydraulic-setting agent, such as calcium sulfate and magnesium oxide, with a pozzolanic material like silica gel, to reduce pH levels and minimize ammonia generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If cement-solidified zeolite particles are used as animal litter, then the litter has sufficient strength and binding capability, but the high pH level causes alkaline component adherence to animal legs and generates excessive ammonia
Solution Approach 1:
The patent changes the chemical composition parameters of the binder by replacing cement with a non-cement solidifying agent (calcium sulfate hemihydrate and magnesium oxide). This substitution maintains the binding capability while fundamentally altering the pH characteristics from highly alkaline to near-neutral, thereby eliminating alkaline component adherence to animal legs.
Solution Approach 2:
The patent creates a composite material system combining inorganic porous particles (zeolite, attapulgite, or sepiolite) with a non-cement solidifying agent binder. This composite structure achieves both sufficient binding strength and reduced alkalinity, as the inorganic binder provides cohesion while the porous particles contribute to absorption and structural integrity.
2Strength
If cement-solidified zeolite particles are used as animal litter, then the litter has sufficient binding capability, but excessive ammonia is generated causing unpleasant odors
Solution Approach 1:
The patent changes the chemical environment by using a non-cement binder system that produces near-neutral pH rather than highly alkaline conditions. This parameter change suppresses the chemical reactions that generate ammonia from urine, thereby reducing unpleasant odors while maintaining litter functionality.
Solution Approach 2:
The patent converts the potential harm of ammonia generation into a benefit by using the non-cement binder to create a chemical environment that naturally suppresses ammonia formation. The magnesium oxide component can react with acidic substances in urine to neutralize them before ammonia generation occurs, turning a potential problem into a solution.
3Reliability
If a water-repellent treatment is applied to the particulate matter surface, then elution of alkaline components is suppressed, but the coating may peel off over long use resulting in elution of alkaline components
Solution Approach 1:
The patent extracts and eliminates the source of the problem by removing cement and highly alkaline components from the binder system. By using a non-cement solidifying agent with near-neutral pH, the need for water-repellent coatings to prevent alkaline elution is greatly reduced, as there are minimal alkaline components to leach out over time.
Solution Approach 2:
The patent provides beforehand cushioning by using a binder system that is inherently resistant to alkaline elution. The non-cement solidifying agent creates a stable, near-neutral matrix that prevents the kind of alkaline component release that would necessitate protective coatings, thereby ensuring long-term durability without relying on peel-prone coatings.
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 solution effectively reduces the risk of alkaline component adherence and ammonia production, creating a safer and odor-reducing animal litter with improved strength and odor elimination capabilities.
Implementation Method 1
the inorganic binder includes a non-cement solidifying agent, and the non-cement solidifying agent is a hydraulic-setting setting agent having principal components of calcium sulfate and magnesium oxide
Implementation Method 2
the plurality of respective particulate matter includes a group of particles configured with an inorganic porous material
Implementation Method 3
with a pozzolanic material like silica gel, to reduce pH levels and minimize ammonia generation
Data Source
AI summary
Animal litter is provided that causes little damage to the legs or the like of animals using a litter box and generates a small amount of ammonia. The animal litter includes a plurality of particulate matter, in which the plurality of respective particulate matter includes a group of particles configured with an inorganic porous material and an inorganic binder which binds the group of particles together, and the inorganic binder includes a non-cement solidifying agent.