{"schema_version":1,"experiment_id":"eoa_inverse_innovation_exp12_substrate_denial72_20260805","research_id":"eoa_inverse_innovation_exp12_light_screen_20260805","cell_id":"formal_derivation_system_design__chemistry_materials","search_lanes":{"direct_problem_and_intervention":{"queries":["order of reagent addition precipitation metal recovery wastewater sequence pH oxidation dilution","chemical addition sequence order precipitation metals wastewater treatment jar test","microfluidic sequential operations precipitation screening capillary crystallization actual sample"],"source_ids":["SRC1","SRC2","SRC4"],"no_result_note":null},"synonyms_and_historical_terms":{"queries":["microfluidic combinatorial crystallization screening branching channels reagent conditions","microfluidic reaction network sequential reagent combinations screening branching","lab on chip combinatorial sequence chemical operations precipitation"],"source_ids":["SRC3","SRC4"],"no_result_note":null},"products_practices_and_standards":{"queries":["EPA jar testing guidance precipitation water treatment","chemical addition sequence order precipitation metals wastewater treatment jar test"],"source_ids":["SRC1","SRC2"],"no_result_note":null},"component_combination":{"queries":["microfluidic all reagent addition sequences combinatorial reaction screening order of addition","microfluidic precipitation screening multiple conditions primary research","programmable capillary-driven microfluidic devices sequential delivery passive"],"source_ids":["SRC3","SRC4"],"no_result_note":null}},"sources":[{"source_id":"SRC1","title":"Manual on Water Supply and Treatment Systems (Drink from Tap), Part B: Operation and Maintenance, Second Edition","publisher":"Central Public Health and Environmental Engineering Organisation, Ministry of Housing and Urban Affairs, Government of India","url":"https://aprwsea.org/aprwsea/assets/files/handbook/CPHEEO%20MAnuals/Part-B%20Operation%20and%20Maintinance_compressed.pdf","source_type":"OFFICIAL_GUIDANCE","claims_supported":["Chemical-addition order is operationally consequential: the manual identifies cases where reversing metal-coagulant/polymer order or metal-coagulant/pH-adjustment order is more effective.","Jar experiments are the recommended way to determine the best sequence for a particular application.","Conventional jar testing places samples in multiple jars, varies selected chemicals or doses, and observes solid settling."]},{"source_id":"SRC2","title":"Wastewater Technology Fact Sheet: Chemical Precipitation","publisher":"U.S. Environmental Protection Agency","url":"https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=P1001QTR.TXT","source_type":"OFFICIAL_GUIDANCE","claims_supported":["Chemical precipitation is established for removing metals and other contaminants from wastewater by converting them into separable solids.","Metal-compound solubility and precipitation depend on pH, counter-ion, dissolved oxygen, injection point, mixing mode, alkalinity, and competing reactions.","EPA guidance recommends case-specific jar tests and field confirmation because additive requirements cannot always be calculated reliably."]},{"source_id":"SRC3","title":"Preprogrammed capillarity to passively control system-level sequential and parallel microfluidic flows","publisher":"Lab on a Chip, Royal Society of Chemistry","url":"https://pubs.rsc.org/en/content/articlelanding/2013/lc/c3lc50187f","source_type":"PRIMARY_RESEARCH","claims_supported":["A channel network can use capillarity alone to regulate the timing and direction of multiple liquids.","The demonstrated device performed preprogrammed sequential and parallel processing of ten solutions without active pumps or valves.","Passive geometry, meniscus pressure, and channel conductance can materially encode multistep fluid handling."]},{"source_id":"SRC4","title":"Microfluidic platform for optimization of crystallization conditions","publisher":"Journal of Crystal Growth, Elsevier","url":"https://www.sciencedirect.com/science/article/pii/S0022024817300325","source_type":"PRIMARY_RESEARCH","claims_supported":["A droplet-based microfluidic platform can run high-throughput crystallization trials with controlled composition gradients.","The platform integrates droplet formation, composition characterization, incubation, and direct observation of crystallization outcomes.","The work identifies pH, temperature, buffers, salts, crystallizing agents, nucleation stochasticity, and microscale material effects as relevant to interpreting crystallization screens."]}],"problem_evidence":{"status":"PARTLY_SUPPORTED","finding":"The problem is visible in adjacent practice. Official guidance confirms that chemical-addition sequence can change treatment performance and that metal precipitation depends on pH, oxygen, injection, mixing, and competing reactions, while conventional jar tests evaluate selected conditions. The retained evidence does not directly establish how frequently recovered-metal feeds remain initially clear and later produce clogging solids solely because of an untested permissible ordering.","source_ids":["SRC1","SRC2"]},"closest_prior_art":[{"name":"Jar-test determination of chemical-addition sequence","source_ids":["SRC1","SRC2"],"overlap":"Uses actual aqueous samples, applies ordered chemical-treatment steps, observes precipitated or settled solids, and can compare alternative addition sequences.","remaining_difference":"The guidance describes deliberately selected jar recipes, not a passive network that enumerates every encoded ordering to a fixed depth and preserves a separate physical trace for each path."},{"name":"Preprogrammed passive capillary microfluidic processing","source_ids":["SRC3"],"overlap":"Physically encodes sequential and parallel liquid operations in a passive channel network without pumps, software, or active valves.","remaining_difference":"The reported device executes a predetermined fluid protocol; it does not disclose bounded enumeration of all allowed operation sequences with path-specific precipitation capture."},{"name":"High-throughput microfluidic crystallization screening","source_ids":["SRC4"],"overlap":"Exposes real microscale samples to controlled condition variations, incubates them, and directly observes solid formation across many trials.","remaining_difference":"It scans composition gradients and crystallization conditions rather than ordered plant-operation permutations, and it does not use persistent wetted paths plus terminal membranes as derivation records."}],"prior_art_disposition":"ADJACENT_PRIOR_ART","contrastive_claim_remaining":"Relative to retained prior art, the remaining falsifiable claim is that one passive coupon can divide a common feed among every declared operation ordering up to a fixed depth, physically execute each transition, and associate a captured solid with a persistent labeled path. The sources establish the importance of addition order, selected-recipe jar tests, passive sequential/parallel capillary protocols, and microfluidic solid-formation screening, but not their specific integration as a bounded operation-sequence closure instrument.","contrastive_claim_falsifier":"A pre-existing disclosure would falsify the distinction if it passively routes aliquots of one feed through every permitted ordered operation sequence within an explicit depth, performs the actual transformations, and preserves path-specific evidence of generated solids. Experimentally, the claim is falsified if blinded bench-confirmed sequence-dependent solids are not reproducibly detected, non-forming controls deposit, duplicates disagree, or deposits cannot be attributed to the correct sequence.","gates":{"adequate_source_search":{"status":"PASS","rationale":"The bounded search covered direct terminology, older and synonymous microfluidic terminology, jar-test practices and guidance, and combinations of passive sequencing, branching, crystallization, and precipitation. Four opened direct sources span four publishers and include two primary studies and two official guidance documents.","source_ids":["SRC1","SRC2","SRC3","SRC4"]},"supported_problem":{"status":"PASS","rationale":"Problem evidence is partly supported: official sources establish sequence-sensitive chemical treatment and multivariable metal precipitation, although the exact recovered-metal-feed clogging scenario remains unquantified.","source_ids":["SRC1","SRC2"]},"distinct_testable_claim":{"status":"PASS","rationale":"The integration of exhaustive bounded ordering, passive physical transitions, persistent path attribution, and terminal solid capture remains distinct from the closest retained sources and has clear documentary and experimental falsifiers.","source_ids":["SRC1","SRC3","SRC4"]},"bounded_next_test":{"status":"PASS","rationale":"A sealed surrogate coupon limited to four operations and paths of at most three transitions, with blanks, duplicates, single-step controls, and blinded comparison against bench-confirmed forming and non-forming sequences, is a finite feasibility test. The retained research supports the feasibility of passive multistep routing and microscale crystallization observation.","source_ids":["SRC3","SRC4"]},"no_obvious_safety_or_authority_stop":{"status":"PASS","rationale":"No obvious stop applies to the proposed nonhazardous, sealed benchtop surrogate test. EPA notes that precipitation chemicals can be corrosive, so use of unknown feeds and production connection must remain excluded; the coupon also must not authorize production changes or treat a clear path as compatibility proof.","source_ids":["SRC2"]}},"screen_survival":true,"world_novelty_boundary":"This coarse public-web screen found adjacent prior art, not an exact retained-source match. It cannot establish world novelty, patentability, freedom to operate, market size, expert acceptance, plant-scale validity, realized value, or absence of closer patent, commercial, non-indexed, or differently termed disclosures."}