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GGE srl
DEODORIZATION

DEODORIZATION

Product catalog summary

Overview
This technical catalogue from 2007 by GGE srl focuses on deodorization technologies for composting and bioconversion plants. It discusses bio-filters, scrubbers, and activated charcoal filters, detailing their applications, specifications, and operational guidelines.

Biotechnologies
Odor emissions in composting plants arise from the decomposition of organic substances. Key factors include anaerobic conditions, poor ventilation, and improper biomass management. The document stresses the importance of proper plant design and management to minimize odors.

Bio-filters
Bio-filtration involves passing gaseous emissions through a biologically active porous bed, using materials like cortices, chopped wood, and peat. Microorganisms degrade odorous compounds. Effective bio-filtration requires optimal humidity, temperature, and pH levels. Specifications include bed height and contact time.

Scrubbers
Scrubbers are vertical towers that wash fumes or gases, removing odors carried by micro-dusts or gasifying molecules. They are often used with bio-filters for enhanced odor suppression.

Activated Charcoal Filters
These filters are recommended for low concentrations of volatile organic substances (V.O.S.), offering an alternative to combustion or regeneration systems for efficient odor control.

Control Technologies and Dust Suppression
The document advises locating plants away from urban areas and using bio-filters and scrubbers to control odor emissions. It emphasizes maintaining structural integrity and hygrometric conditions of bioconversion masses.

V.O.S. Purification
Bio-filters effectively purify volatile organic substances, achieving efficiency rates up to 99% for various compounds.

BioMat and Bio-Grit
BioMat is a durable bio-filtering mixture made from barks and peat. Bio-Grit is a modular grid system supporting the bio-filtering material, made of polypropylene.

Technical Specifications
Chemical resistance to acids/alkali and hydrocarbons at 60°C is rated as good. Standard support height is 500 mm, with options from 300 mm to 700 mm. Static load capacities vary based on support configuration, with a safety factor of 10.

Scrubber Description
Scrubbers operate on the absorption principle, using water as the primary absorbing liquid for water-soluble pollutants. For poorly soluble compounds, chemical reactants induce hydrolysis or oxidation. Scrubbers can enhance bio-filter efficiency.

Scrubber Operating Principle
Air enters the scrubber's lower part, encountering pulverized water from nozzle ramps. Dust is captured by water drops, and de-dusted air exits from the top.

Technical Data for Scrubbers
Models vary in diameter and capacity, with polypropylene or AISI 304 steel construction. Maximum capacities range from 5000 to 25000 m3/h, with pump capacities from 230 to 1200 lt/min.

Activated Charcoal Filters
Suitable for low V.O.S. concentrations, these filters are easy to manage and do not require fire brigade authorization. Absorption depends on the substance type, activated carbon, and process conditions.

Technical Data for Activated Charcoal Filters
Models vary in flow rate, number of cartridges, and total carbon volume. Maximum flow rates range from 4000 to 24000 m3/h, with contact times of 0.92 to 1.62 seconds.

Absorption Index for Various Substances
Substances are categorized by absorption index, indicating hold-up capacity. High hold-up substances include butyl ether and styrene monomer, while low hold-up substances include carbon monoxide and ethylene.

Catalog excerpts

GGE srl - via Turati, 11 - 42010 Rio Saliceto (Reggio Emilia) - Italy - tel. +39 0522.738411 - fax. +39 0522.649714 - www.ggegroup.com - [email protected] Data contained therein are indicative and can change without previous notice. Flow rate and pressure values can have a tolerance ±10%. Noise values can have a tolerance ±3 dB(A). DEODORIZATION 2007 technical catalogue DD - Biotechnologies Smells in bio con version plants Composting plants, like all the plants where great masses of organic substances are managed and transformed, are the cause of bad smell emissions. All the processes of decomposition...

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GGE srl - via Turati, 11 - 42010 Rio Saliceto (Reggio Emilia) - Italy - tel. +39 0522.738411 - fax. +39 0522.649714 - www.ggegroup.com - [email protected] Data contained therein are indicative and can change without previous notice. Flow rate and pressure values can have a tolerance ±10%. Noise values can have a tolerance ±3 dB(A). DEODORIZATION 2007 technical catalogue DD - BIOFILTERS Bio-filtration is a technology used to treat the gaseous emissions which are obliged to pass through a biologically active porous bed. The system is, in reality, a bed filled up with materials such as cortices,...

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GGE srl - via Turati, 11 - 42010 Rio Saliceto (Reggio Emilia) - Italy - tel. +39 0522.738411 - fax. +39 0522.649714 - www.ggegroup.com - [email protected] Data contained therein are indicative and can change without previous notice. Flow rate and pressure values can have a tolerance ±10%. Noise values can have a tolerance ±3 dB(A). DEODORIZATION 2007 technical catalogue DD - Bio-filters CONTROL TECH NOLOGIES AND DUST SUPP RESSION It is advisable that the plants using important quantities of fermentable material are situated at an adequate distance from the urban habitats (< 300-600 metres) by...

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GGE srl - via Turati, 11 - 42010 Rio Saliceto (Reggio Emilia) - Italy - tel. +39 0522.738411 - fax. +39 0522.649714 - www.ggegroup.com - [email protected] Data contained therein are indicative and can change without previous notice. Flow rate and pressure values can have a tolerance ±10%. Noise values can have a tolerance ±3 dB(A). DEODORIZATION 2007 technical catalogue DD - Bio-filters V.O.S. puri fication (Volatile Organic Substances) The theory of purification with bio-filters is based on the concept of bio-film used to describe processes of degradation in water systems. The pollutant transported...

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GGE srl - via Turati, 11 - 42010 Rio Saliceto (Reggio Emilia) - Italy - tel. +39 0522.738411 - fax. +39 0522.649714 - www.ggegroup.com - [email protected] Data contained therein are indicative and can change without previous notice. Flow rate and pressure values can have a tolerance ±10%. Noise values can have a tolerance ±3 dB(A). DEODORIZATION 2007 technical catalogue DD - Bio-filters BIOMAT “BioMat” is made up of a bio-filtering mixture according to our formulation, produced with a mixture of barks from broadleaved trees, properly defibrated and mixed up with ecologic peat, with excellent...

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GGE srl - via Turati, 11 - 42010 Rio Saliceto (Reggio Emilia) - Italy - tel. +39 0522.738411 - fax. +39 0522.649714 - www.ggegroup.com - [email protected] Data contained therein are indicative and can change without previous notice. Flow rate and pressure values can have a tolerance ±10%. Noise values can have a tolerance ±3 dB(A). DEODORIZATION 2007 technical catalogue DD - SCRUB Scrubbers DESCRIPTION Odors are mostly spread because they are transported by supports with minimum dimensions (micro-dusts which are as small as thousandths/hundredths/tenths of micron) or by gasifying molecules. Scrubbers...

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GGE srl - via Turati, 11 - 42010 Rio Saliceto (Reggio Emilia) - Italy - tel. +39 0522.738411 - fax. +39 0522.649714 - www.ggegroup.com - [email protected] Data contained therein are indicative and can change without previous notice. Flow rate and pressure values can have a tolerance ±10%. Noise values can have a tolerance ±3 dB(A). DEODORIZATION 2007 technical catalogue DD - SCRUB Scrubbers SCH EME OF A SCRUBBER WITH INPU T OF REAGENT 01. Polypropylene solution hold-up tank 02. Piston meter pump for the reagent 03. Polluted air input 04. Filling bodies 05. Solution dispensing nozzles 06. Droplet...

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GGE srl - via Turati, 11 - 42010 Rio Saliceto (Reggio Emilia) - Italy - tel. +39 0522.738411 - fax. +39 0522.649714 - www.ggegroup.com - [email protected] Data contained therein are indicative and can change without previous notice. Flow rate and pressure values can have a tolerance ±10%. Noise values can have a tolerance ±3 dB(A). DEODORIZATION 2007 technical catalogue DD - SCRUB Scrubbers plants for the trans port of fluids In bio-conversion plants fluids are transported through stainless steel or polypropylene piping. The use of sheet zinc pipes showed considerable limits with regard to the...

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GGE srl - via Turati, 11 - 42010 Rio Saliceto (Reggio Emilia) - Italy - tel. +39 0522.738411 - fax. +39 0522.649714 - www.ggegroup.com - [email protected] Data contained therein are indicative and can change without previous notice. Flow rate and pressure values can have a tolerance ±10%. Noise values can have a tolerance ±3 dB(A). DEODORIZATION 2007 technical catalogue DD - 10 DESCRIPTION For effluents with low concentrations of volatile organic substances (V.O.S.) it is advantageous to use the disposable absorbing filters we produce instead of combustion or regeneration systems. This type of...

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GGE srl - via Turati, 11 - 42010 Rio Saliceto (Reggio Emilia) - Italy - tel. +39 0522.738411 - fax. +39 0522.649714 - www.ggegroup.com - [email protected] Data contained therein are indicative and can change without previous notice. Flow rate and pressure values can have a tolerance ±10%. Noise values can have a tolerance ±3 dB(A). DEODORIZATION 2007 technical catalogue DD - 11 CARB Activated charcoal filters TECH NICAL DATA Model Max. flow rate (m3/h) Number of cartridges Thickness of cartridges (mm) Total volume of carbon (m3) Total average surface (m2) Contact time (sec) Crossing speed (m/s)...

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