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Explore the system

Regenerative Systems Atlas

Explore the connected wastewater-to-regeneration system.

Eighteen research domains, each with three subtopics, linked by explained relationships. The domains are an editorial taxonomy, not performance ratings of any utility. Relationships are original synthesis. Related sources are shown for context and do not prove a relationship.

Directory of domains

The same 18 domains as a list. Works without hover or the graph.

Domain N / Cross-cutting

Engineering integration

Individual technologies work or fail as part of a system, through their interfaces.

Subtopics

  • Mass and energy balances. Reconcile all material and thermal streams, including rejected outputs.
  • Automation, safety and reliability. Define process instruments, controls, interlocks and reliability.
  • Design and commissioning evidence. Separate conceptual design from verified operating acceptance.

Where a decision here travels

Domains reached by following the selected relationship types, by number of steps. Structural reach only; it does not show material flow or size of effect.

Downstream

  1. 1 step:

Upstream

  1. 1 step: ; ; ;
  2. 2 steps: ; ; ; ;
  3. 3 steps: ; ; ; ; ;
  4. 4 steps: ;

Feedback loops through this domain (1)

Relationships (5)

  • Dependency

    Dewatering, drying and stockpiles to Mass and energy balances: Dry-solids fraction influences drying and transport system design.

    Question raised: Which decisions in E Biosolids logistics or N Engineering integration must be settled before the other can be treated as fixed?

    Why connected? (R09)
    Basis: Established engineering or mathematical dependency
    Follows from a definition or balance that can be written as an equation or process definition. No citation is registered, so the statement is general engineering reasoning, not a sourced finding.
    What remains uncertain
    How strongly one side depends on the other depends on the site, the technology and the regulatory context. No magnitude is asserted.
    Direct supporting evidence
    None registered.
    Qualifying or contradictory evidence
    None registered.

    Draft analysis (not reviewed)

    Written to be checked, not relied on. No source supports it yet.

    1. Relationship and direction
    Dependency: Dewatering, drying and stockpiles (domain E) to Mass and energy balances (domain N).
    2. Proposed mechanism
    The dry-solids fraction fixes how much water mass must be moved and, if drying is used, evaporated. So it sets the mass and energy terms of the balance. The calculators on this site use this principle with stated inputs.
    3. Why it matters
    Moisture can dominate handling mass and thermal demand.
    4. What it could change
    Upstream: Dewatering performance. Downstream: Transport mass, drying energy and product dryness.
    5. Source support
    None reviewed. 3 unchecked research leads are queued for review. Leads are not support.
    6. Limits and alternatives
    Real systems have heat losses and varying moisture. The site calculators are illustrative.
    7. What would settle it
    Measured dry-solids fraction at each handling step and metered energy use.
  • Dependency

    Biogas and biomethane to Mass and energy balances: Available useful heat and gas integration affect energy balances.

    Question raised: Which decisions in F Digestion and energy or N Engineering integration must be settled before the other can be treated as fixed?

    Why connected? (R12)
    Basis: Established engineering or mathematical dependency
    Follows from a definition or balance that can be written as an equation or process definition. No citation is registered, so the statement is general engineering reasoning, not a sourced finding.
    What remains uncertain
    How strongly one side depends on the other depends on the site, the technology and the regulatory context. No magnitude is asserted.
    Direct supporting evidence
    None registered.
    Qualifying or contradictory evidence
    None registered.
    Contextual references (do not establish this relationship)

    Draft analysis (not reviewed)

    Written to be checked, not relied on. No source supports it yet.

    1. Relationship and direction
    Dependency: Biogas and biomethane (domain F) to Mass and energy balances (domain N).
    2. Proposed mechanism
    How biogas is used (heat, power or upgrading) changes the useful heat available and the energy needed elsewhere in the system.
    3. Why it matters
    It determines whether on-site energy could support drying or thermal treatment.
    4. What it could change
    Upstream: Gas yield and gas-use decisions. Downstream: Heat available for drying and net site energy.
    5. Source support
    None reviewed. 3 unchecked research leads are queued for review; SRC-006 in the register may be relevant context. Leads are not support.
    6. Limits and alternatives
    Conversion efficiencies and the energy needed to run equipment are not generalised.
    7. What would settle it
    Metered gas and heat flows at the site.
  • Feedback

    Adaptive management and stewardship to Design and commissioning evidence: Observed long-term outcomes can improve design and commissioning requirements.

    Question raised: How should results in M Long-term outcomes revise earlier decisions in N Engineering integration?

    Why connected? (R28)
    Basis: Editorial systems synthesis
    Editorial systems synthesis supplied in the VRCRI relationship register. No source is registered as direct support, and none is registered as qualifying or contrary.
    What remains uncertain
    Whether the feedback occurs in practice, and how quickly, is not established.
    Direct supporting evidence
    None registered.
    Qualifying or contradictory evidence
    None registered.

    Draft analysis (not reviewed)

    Written to be checked, not relied on. No source supports it yet.

    1. Relationship and direction
    Feedback: Adaptive management and stewardship (domain M) to Design and commissioning evidence (domain N).
    2. Proposed mechanism
    Observed long-term outcomes can inform design and commissioning requirements for later stages or projects.
    3. Why it matters
    It lets experience change future design.
    4. What it could change
    Upstream: Operating and outcome records. Downstream: Design and commissioning requirements.
    5. Source support
    None reviewed. 4 unchecked research leads are queued for review. Leads are not support.
    6. Limits and alternatives
    Lessons only transfer where conditions are comparable.
    7. What would settle it
    Documented outcomes compared with the original design assumptions.
  • Dependency

    Mass and energy balances to Capital and operating economics: Reconciled mass/energy balances underlie cost/benefit estimates.

    Question raised: Which decisions in N Engineering integration or Q Economics and finance must be settled before the other can be treated as fixed?

    Why connected? (R29)
    Basis: Editorial systems synthesis
    Editorial systems synthesis supplied in the VRCRI relationship register. No source is registered as direct support, and none is registered as qualifying or contrary.
    What remains uncertain
    How strongly one side depends on the other depends on the site, the technology and the regulatory context. No magnitude is asserted.
    Direct supporting evidence
    None registered.
    Qualifying or contradictory evidence
    None registered.
    Contextual references (do not establish this relationship)

    Draft analysis (not reviewed)

    Written to be checked, not relied on. No source supports it yet.

    1. Relationship and direction
    Dependency: Mass and energy balances (domain N) to Capital and operating economics (domain Q).
    2. Proposed mechanism
    Reconciled mass and energy balances set quantities that cost and benefit estimates multiply, so errors in the balance carry into the economics.
    3. Why it matters
    Economics built on an unreconciled balance may be misleading.
    4. What it could change
    Upstream: Balance quality. Downstream: Cost and benefit estimates.
    5. Source support
    None reviewed. 4 unchecked research leads are queued for review. Leads are not support.
    6. Limits and alternatives
    Economics also depend on prices and contracts that this site does not hold.
    7. What would settle it
    A reconciled balance with stated uncertainty, used to rerun the estimate.
  • Feedback

    Baseline and options to Design and commissioning evidence: Credible options analysis can alter design and commissioning scope.

    Question raised: How should results in Q Economics and finance revise earlier decisions in N Engineering integration?

    Why connected? (R34)
    Basis: Editorial systems synthesis
    Editorial systems synthesis supplied in the VRCRI relationship register. No source is registered as direct support, and none is registered as qualifying or contrary.
    What remains uncertain
    Whether the feedback occurs in practice, and how quickly, is not established.
    Direct supporting evidence
    None registered.
    Qualifying or contradictory evidence
    None registered.
    Contextual references (do not establish this relationship)

    Draft analysis (not reviewed)

    Written to be checked, not relied on. No source supports it yet.

    1. Relationship and direction
    Feedback: Baseline and options (domain Q) to Design and commissioning evidence (domain N).
    2. Proposed mechanism
    A credible comparison of options against a baseline may change which design and commissioning evidence is needed.
    3. Why it matters
    It can change project scope before it is built.
    4. What it could change
    Upstream: Option analysis. Downstream: Design and commissioning scope.
    5. Source support
    None reviewed. 3 unchecked research leads are queued for review; SRC-006 in the register may be relevant context. Leads are not support.
    6. Limits and alternatives
    The comparison is only as good as its baseline data.
    7. What would settle it
    A documented baseline and option comparison.

Claim status: Interpretation. This is original synthesis, not measured data or a performance rating.