{ "source_ids": [ "MWS01" ], "source_pdf_sha256": "76c7d9cf91c11be2d4b95449645642e8cc914bb23632cf6b523d7dbf0761ade8", "data": { "conditions": { "source_id": "MWS01", "locators": [ "PDF p.2 / printed 1832, §§2.1–2.2", "PDF p.3 / 1833, §2.2 and Figs 1–2", "PDF p.4 / 1834, Eqs 3–4, §2.3 and Table 1" ], "feedstock": { "type": "ground waste truck tyre", "supplier": "Eco Power Synergy Sdn Bhd", "tyre_brand": null, "size_mm": [ 5, 10 ], "tyre_charge_g": 100, "steel": "removed by magnetic separation", "textile_cord_status": "not reported", "tyre_drying_before_reactor": "not clearly reported; 105 °C redrying is described for analyses, not necessarily for reactor feed" }, "added_absorber": { "material": "granular activated carbon", "size_mm": [ 5, 10 ], "charge_g": 100, "mass_ratio_absorber_to_tyre": 1, "pretreatment": { "temperature_C": 110, "duration_h": 12, "device": "ventilated oven" }, "mixture": "homogeneously mixed", "reuse_cycles_reported": false, "fresh_surface_area_m2_g": 1202.34, "used_surface_area_m2_g": 416.49, "surface_area_locator": "p.6 / 1836, §3.2.2 and Fig.5" }, "reactor": { "mode": "batch", "vessel": "cylindrical quartz glass reactor with three-neck cover", "capacity_dimensions": "not reported in main article", "equipment": "modified multimode digital microwave", "frequency_GHz": 2.45, "nominal_power_W": 1000, "calibrated_output_power_W_reported": 695, "reported_calibration_efficiency_percent": 69.5, "calibration_method": "referenced oven cooking-efficiency standard, ref.23; per-level details cited as Fig.S1", "absorbed_power_in_tyre_W": null, "metered_wall_electricity_kWh": null, "rated_vs_wall_input_boundary": "1000 W is not demonstrated to be wall-plug electrical demand; 695 W is calibrated output, not demonstrated absorption by tyre+AC", "calibration_fit_fig2": { "slope": 0.7117, "intercept_W": -53.044, "R2": 0.9889, "fit_at_1000_W": 658.656, "interpretation": "fit value differs from 695 W point; this is not by itself proof of contradiction because regression residuals are possible" } }, "temperature": { "setpoints_C": [ 300, 400, 450, 500, 550, 600 ], "measurement": "ceramic-coated R-type thermocouple in middle of tyre/AC bed; real-time acquisition", "point_reading_not_temperature_field": true, "raw_profiles_supplied": false, "control_algorithm_duty_cycle": "not reported", "heating_rate_C_min": null }, "atmosphere": { "gas": "N2", "flow_mL_min": 300, "pressure": "not quantified", "initial_purge_time_min": null }, "time": { "hold_at_set_temperature_h": 1, "heatup_time_min": null, "microwave_on_time_min": null, "source_also_states_maximum_power_selected": true, "interpretation": "one-hour hold does not prove one hour of uninterrupted 695 W output, nor total batch duration" }, "condensation": { "equipment": "glass condensers, water-bath chiller, oil collectors", "coolant_temperature_literal": "±5 °C", "coolant_temperature_ambiguity": "source prints ±5 °C without an unambiguous target/reference", "separate_oil_water_layers": true, "oil_workup": "dissolved in pre-weighed dichloromethane", "solvent_removal_and_oil_mass_correction_protocol": "not adequately described", "wax_separately_measured": false }, "balances": { "oil": "oil mass / feedstock mass × 100", "char": "char mass / feedstock mass × 100", "gas": "100 − (oil yield + char yield); by difference, not measured gas mass", "oil_water_split_quantified": false, "AC_subtraction_from_solid_and_mass_denominator": "not explicitly described; do not silently interpret char as independently weighed tyre-derived char or denominator as the 200 g total mixture", "independent_mass_closure": false, "replication_number": "not stated; Fig.4 has error bars but their basis is not specified" }, "energy_boundary": { "specific_electricity_kWh_kg_tyre": null, "specific_electricity_kWh_kg_oil": null, "oil_energy_recovery": "oil yield × HHV_oil/HHV_tyre; product energy recovery, not electrical process efficiency", "auxiliaries_unmetered": [ "AC drying 110 °C for 12 h", "stirrer", "chiller and circulation", "N2 provision", "sample and condensate handling" ], "safe_conclusion": "No measured net energy benefit against conventional heating is established." } }, "feedstock_table1": { "source_id": "MWS01", "locator": "PDF p.4 / 1834, Table 1", "proximate_wt_percent": { "moisture": 0.92, "volatile_matter": 65.35, "fixed_carbon": 29.53, "ash_at_900_C": 4.2 }, "ultimate_dry_wt_percent": { "C": 80.33, "H": 7.66, "N": 0.35, "S": 0.87, "O_by_difference": 10.79 }, "HHV_MJ_kg": 39.87, "LHV_MJ_kg": 38.14, "conflict": "§3.1 prose gives ash 4.02; Table 1 gives 4.20. Table numbers sum to 100.00; preserve the conflict." }, "oil_quality_table4": { "source_id": "MWS01", "sample": "TTPO500", "locator": "PDF p.10 / 1840, Table 4", "elemental_wt_percent": { "C": 87.75, "H": 10.63, "N": 0.6, "S": 0.67, "O_by_difference": 0.35 }, "kinematic_viscosity_at_40_C": { "value": 3.53, "unit": "not printed in Table 4; do not silently supply cSt" }, "density_at_15_C_kg_L": 0.9, "flash_point_C": "<30", "water_content_percent": 0.47, "water_basis": "Table 4 says %, not explicitly mass/volume; method is Karl Fischer", "HHV_MJ_kg": 42.39, "LHV_MJ_kg": 40.12, "GC_table": "cards/MW01/numeric/table3_gc_relative.csv", "GC_basis": "relative chromatographic content; Fig.7 explicitly labels Area [%]. Not calibrated wt% of oil or yield on tyre.", "limonene_relative_percent_by_T": { "300": 9.29, "400": 14.29, "450": 11.37, "500": 6.02, "550": 5.33, "600": 5.29 }, "diesel_comparison": "commercial diesel values in Table 4 are literature comparators, not a conventional-pyrolysis control", "qualified_product": "crude pyrolysis liquid needing further upgrading; not established drop-in diesel fuel" } } }