Ammonia stripping for wastewater compared: steam stripping, thermal air stripping and a vortex stripper for a 154 to 180 m³/h duty.
An anaerobic digester is a sealed tank with no oxygen in it, where bacteria break down wet organic waste and give off a methane-rich gas called biogas. The gas is captured and burned for heat or electricity, and the same process treats the waste at the same time. Common feedstocks are farm slurries, food processing residues, dairy whey and sludge, poultry litter, palm oil mill effluent and cassava mill effluent. What comes out is digestate, which is used as fertiliser and compost.
Annual Condition Survey of an Ammonia Stripping Plant: What It Covers
A one-day annual condition survey can show whether a thermal ammonia stripping plant is still in good order. This is what it covers and what comes out of it.
Sizing a Covered Lagoon for Palm Oil Mill Effluent: A Worked Example
Sizing a covered lagoon for palm oil mill effluent: a worked example from COD load to volume, biogas and about 1.8 MW of power.
What a Front-End Feasibility Study and FEED Package Delivers for a Biogas Plant
Biogas plant feasibility study and FEED: what a ten-day sampling campaign, survey and design package deliver before you commit capital.
Selecting a Submersible Pump for Landfill Leachate
How to select and check a submersible leachate pump, and what a typical quotation leaves out.
Landfill Gas Flare Monitoring: What SCADA and Gas Analysers Add
Landfill gas flare monitoring with SCADA, an autodialer and on-line analysers: what a 750 m³/h ground flare package records and why.
Horizontal Biogas Bioscrubber: Sizing H₂S Removal at 800 Nm³/h
A horizontal packed-bed bioscrubber for palm oil mill biogas: duty, limits and how performance is proven.
Air Purge Cycle for an Ammonia Stripping Plant Burner
How a two-minute air purge, added by a program change, stops a thermal destructor restarting on leftover landfill gas.
Replacing an Obsolete Steam Generator Level Control
How to replace an obsolete steam generator level control by keeping the compatible probe and swapping the electronics.
MVR Ammonia Recovery Plant Layout: Keeping the Vapour Circuit Compact
MVR ammonia recovery plant layout: why the stripper, compressor and condenser must be one compact group, with access and loading rules.
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