by-product
Let an agent explain by-products, relay examples, legal classification, reuse and hazards from industrial ecology, food and environmental regulation sources, describe the named by-products, and distinguish by-products from co-products, waste, residues, externalities and spin-off products.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify
Researched by: Claude
Purpose and description
Let an agent explain by-products, relay examples, legal classification, reuse and hazards from industrial ecology, food and environmental regulation sources, describe the named by-products, and distinguish by-products from co-products, waste, residues, externalities and spin-off products.
A secondary product made incidentally during the manufacture or processing of a main product, which may be sold, reused or treated as waste, including food by-products such as soy pulp or okara from tofu and soy milk, pomace from pressing fruit for juice, wine or oil, and animal by-products regulated in the EU after the BSE crisis, environmental by-products such as disinfection by-products formed when chlorine reacts with organic matter in water and spheroidal carbonaceous particles from fossil fuel combustion used as pollution markers in sediments, and curiosities such as fordite, layered car paint from old automotive paint shops. Regulatory classification as by-product or waste varies.
What it is for: Understanding secondary outputs of production.
It can be explain the concept; relay legal classification; describe named by-products; distinguish related terms.
Distinguishing features
Incidental
Potential value
Legal status matters
Circular economy relevance
What it looks like
Varied: fruit pulp, soy fibre, ash particles, layered paint.
Physical character
EU Waste Framework Directive by-product test: 2008 year - Article 5
EU animal by-products regulation: 1069/2009 regulation
regulated disinfection by-products: trihalomethanes, haloacetic acids list - US EPA
How it is recognised
Incidental secondary product
Soy pulp, disinfection by-product, spheroidal carbonaceous particle, fordite, pomace, animal by-product
Co-products are intended outputs; waste is discarded; residues remain after processes; externalities are unpriced effects
Related models
is a kind of - in registry terms
includes -
is contrasted with -
is related to -
In practice
Families and kinds
food processing by-products
animal by-products
chemical and industrial by-products
combustion by-products
disinfection by-products
Standards and regulation
EU Waste Framework Directive
EU Animal By-Products Regulation
US Safe Drinking Water Act DBP rules
Failure modes and hazards
Misclassifying waste as by-product
Health risks from disinfection by-products
Disease risks from animal by-products
Also called
Where this came from
wikidata · CC0 1.0
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 4 bundles · 8 layers · 8 findings · 16 questions.
Understand What a by-product is.
Definition.
Definition
Definition.
Definition
Definition.
- What is a by-product, and how does it differ from co-products, waste, residues and externalities? definition
- Is the question about a specific material, legal classification or health risk? boundary
Examples
Named by-products.
Examples
Examples.
- What are okara, pomace, animal by-products, disinfection by-products, spheroidal carbonaceous particles and fordite? definition
- Which entry fits the specific by-product? action
Regulation Law.
Regulation.
Waste test
By-product or waste.
Waste test
Waste test.
- What conditions does EU law set for treating material as a by-product rather than waste? provenance
- Which references are standard? provenance
Animal
Animal by-products.
Animal
Animal.
- How are animal by-products categorised after the BSE crisis? provenance
- Which sources are cited? provenance
Environment Environment and health.
Science.
DBPs
Disinfection by-products.
DBPs
DBPs.
- How do water utilities limit disinfection by-products? provenance
- Which entry fits trihalomethane? action
SCPs
Pollution markers.
SCPs
SCPs.
- How are spheroidal carbonaceous particles used to date sediments and the Anthropocene? provenance
- Which entry fits Anthropocene? action
Context Reuse.
Context.
Circular economy
Reuse.
Circular economy
Circular economy.
- How are by-products valorised in circular economy approaches? provenance
- Which entry fits industrial symbiosis? action
Fordite
Fordite.
Fordite
Fordite.
- How did fordite form and become used in jewellery? provenance
- Which entry fits automotive paint? action
What the second pass must settle
- Should named by-products be separate entries?
- How should regulation sources be linked?
- Should co-product be disambiguated?