How extraction wells with overlapping zones of influence, trenched pipework and a ground flare stop landfill gas moving off site, with no pumping trial.
Organics Articles
Organics Group has spent more than thirty years turning ammonia-laden wastewater, landfill gas, organic and food waste, palm oil mill effluent into revenue with biogas flaring technology deployed on over 300 projects worldwide, commissioned across Europe, Asia, the USA and Oceania. This collection brings that work out of the project archive written for the engineers, regulators and operators who decide which technologies is going to solve their problems.
Covered Lagoon Biogas for a Palm Oil Mill: What a Tender Specification Should Cover
What a covered lagoon biogas tender for a 45 t/h palm oil mill should specify: retention time, liner testing, gas handling, flare, engine and measurable guarantees.
Waste to Energy Pyrolysis: 200 Tonnes a Day to 2.9 MW
What a 200 tonne-a-day pyrolysis and gasification plant can export: about 2.9 MW net, and the moisture, cooling and feed limits that decide it.
Sizing a Covered Lagoon for Palm Oil Mill Effluent
Palm oil mill effluent covered lagoon sizing: from 1,250 t/day of fruit to 813 m³ of POME, a 38,000 m³ lagoon and about 2.4 MW of electricity.
Thermal Ammonia Stripping for Wastewater Centrate: Design and Risks
A thermal ammonia stripper design for wastewater centrate, with guarantees, carbon assessment and risks.
Standby Biogas Flare: When a Shrouded Open-Flame Flare Is Enough
Standby biogas flare: a 1,300 Nm³/h shrouded open-flame design, what it does not guarantee, and when to choose an enclosed flare instead.
Bolt-On Ground Flare for an Existing Landfill Gas Booster
How to add a high-temperature ground flare to a site that already has boosters and drainage, using only a pipe, a power supply and a start signal.
Flaring Vapour from a Storage Tank: A Butadiene Vapour Flare
Vapour flare design for a chemical storage tank: how three pressure switches, a slam-shut valve and a flame arrester suit a 25 m³/h duty.
Enclosed Flare Design Criteria Explained
What turndown, methane range, temperature and residence time mean on an enclosed flare datasheet, using a 1,000 Nm³/h example.
Landfill Gas Blower Skid: Choosing Between 160 and 300 mbar
Landfill gas blower skid: a single stage delivers about 160 mbar at 3,000 Nm³/h. Scope, options and when you need two stages.
Topographic Survey for a Biogas Lagoon Site: What Is Measured
Topographic survey for a biogas lagoon: what is measured, the 1:1000 plan with 0.5 m contours, and why soil tests must follow before lagoon design.
Covered Lagoon, UASB or CSTR? Choosing a Digester for Palm Oil Mill Effluent
Three digester types compared for palm oil mill effluent from a 60 t/h mill, with the start-up seeding steps for a covered lagoon.
Removing Halogens from Landfill Gas: Chilling or Activated Carbon?
Halogens in landfill gas can be tackled by chilling or activated carbon. See the trade-offs and why a small on-site test comes first.
Leachate Treatment With an SBR and Reed Bed: A 50 m³/day Design
How a sequencing batch reactor and a 320 m² reed bed treat 50 m³/day of landfill leachate, with design cautions on COD, ammonia and shading.
Ammonia Stripper Bulk Reduction: A 300 m³/day Mobile Design
Ammonia stripper design for bulk reduction of 7,000 mg/l liquor, with a packing-free column and optional ammonium sulphate recovery.
Biogas Flare Without a Blower: When Gas Is Under Pressure
When a biogas flare can omit the gas blower, and how a 3,500 Nm³/h enclosed flare is protected by a regulator, slam-shut valve and flame arrester.
Membrane Biogas Upgrading: What 97.5% Methane Recovery Looks Like
Biogas upgrading with membranes: what 97.5% methane recovery means for a 500 Nm³/h plant, with the pre-treatment steps and product gas.
Palm Oil Mill Biogas: What a Feasibility and FEED Package Covers
Palm oil mill biogas feasibility study: the ten-day sampling campaign, surveys and FEED documents that fix the design, plus proving trials and scope splits.
Leachate Evaporation Using Landfill Gas Engine Waste Heat
Leachate evaporation with engine waste heat: compare exhaust gas, heat exchanger and superheated steam routes for a 200 m³/day landfill duty.
Landfill Gas Hydrogen Sulphide Removal: Sizing a Bioscrubber
Landfill gas hydrogen sulphide removal: how flow, inlet level and outlet target changed a bioscrubber from four to nine vessels at 17,000 mg/Nm³.
Under-Floor Gas Venting: Switching Valves or a Second Vent Unit?
Should a new phase share an existing under-floor gas vent unit through actuated valves, or get its own? A worked example from a business park on reclaimed land.
Specifying an ATEX Zone 2 Fan for a Biogas Plant
What to specify for a Zone 2 biogas fan: ATEX category, motor protection, material and lead time.
Premium or Economy Level Probe for an AD Plant?
Premium or economy: how to choose a level probe and low-range transmitters for an anaerobic digestion plant.
Sizing the Gas Booster for a Landfill Ground Flare
Landfill gas booster sizing: how flow, a 300 mbar head, noise and turndown shaped a 3,000 m³/h ground flare that began as a 1,000 m³/h enquiry. See the numbers.
Landfill Gas Blower Surge: Compliant Bid or Better Design?
Landfill gas blower surge explained: why a blower that does not surge to zero flow can beat the one a specification names.