Specialized Environmental Consulting

Type of wastewater: domestic, industrial, or both *

Next Question

Influent wastewater flow rate in m³/day *

Population equivalent *

Average influent COD to the treatment plant (mg/L) *

Annual quantity of sewage sludge disposed of (tons/year) *

Sludge disposal cost per ton (€) *

Annual electricity cost consumed by the plant *

Specific issues to address *

Anaerobic digestion technology (wet, dry, or semi-dry)? *

Next Question

Temperature range (psychrophilic, mesophilic, or thermophilic)? *

Types of biomass? *

Amount of biomass entering the biodigesters per day (tons/day)? *

TS percentage (total solids in the biomass)? *

Number and total capacity of digesters in cubic meters? *

Hydraulic retention time? *

Any presence of crusts or deposits? *

Current biogas or biomethane production yield? *

Presence and concentration of H2S (type and specifications of H2S treatment products currently in use)? *

Assessment of the presence and amount of foam in the digester? *

Surface area (m²) *

Next Question

Volume, if compressible (m³) *

Maximum depth *

Average depth *

Water temperature *

Input source *

Type of input *

Type of lake *

Flow velocity *

Transparency *

Any visible patches *

Algal blooms *

Algal activity period *

Foam presence *

Odour *

Presence of septic tanks *

Presence of industrial discharges *

Presence of agricultural discharges *

Animals present *

Fish/crustacean species *

Aquatic plants *

Type of bottom substrate *

recirculation systems *

Oxygen concentration (if available) *

Use of chemical algae control products, chlorine, or other products *

What is the main crop of your farm? *

Next Question

What is the total area of your agricultural land? *

What type of fertilizers do you use, and how often? *

What irrigation system do you use (drip, sprinkler, etc.)? *

Are there tanks for rainwater collection or other water reserves? *

How do you manage crop residues and straw? *

Do you grow in greenhouses or in open fields? Indicate whether greenhouses are present. *

What type of animals do you raise (cattle, pigs, poultry, etc.)? *

Next Question

How many head of livestock do you have on the farm? *

How do you currently manage animal manure? *

What type of housing system do you use (free-stall, tied, or mixed)? *

What type of feed do you provide to the animals? *

How do you manage wash water and livestock wastewater? *

Are there any biogas or anaerobic digestion plants present? *

What treatment systems do you use for the wastewater? *

Are insects such as flies, mosquitoes, horseflies, or others present? Please specify. *

Which industrial sector does the company operate in (food, chemical, textile, etc.)? *

Next Question

What are the company’s main production processes? *

How are industrial wastewater streams managed? *

What type of atmospheric emissions does the company produce? Indicate whether dust is present. *

Are there channelled or diffuse emissions? *

Have you received any odour-related prescriptions? *

Are biofilters, scrubbers, or other abatement systems present? Please specify. *

Is H2S detected? *

Are there fire protection tanks? Indicate their dimensions. *

Are algae present in the tank? *

How are the industrial waste produced managed? *

What type of organic material do you compost (green, wet, or mixed)? *


Next Question

What is the annual volume of material to be composted? *

What composting system is used (static, dynamic, tunnel, or biocells)? *

How is the temperature monitored during the process? *

What aeration system is used for composting? *

How is the moisture of the composting material controlled? *

What are the average compost maturation times on bedding? *

What is the intended use of the final compost product? *

What type of atmospheric emissions does the company produce? *

Are there channelled or diffuse emissions? *

Have any odour-related prescriptions been received? *

Are biofilters, scrubbers, or other systems present? Please specify. *

What are the main managed areas (public parks, nurseries, private gardens, condominium areas, etc.)? *


Next Question

What is the total managed area for the cultivation and/or maintenance of ornamental greenery? *

What type of irrigation system is used? *

How are grass clippings, leaves, pruning residues, or crop residues managed? *

What products are used for plant protection and fertilization? *

Are there any issues related to insects, pests, or plant diseases? Please specify. *

What type of business is it (restaurant, hotel, resort, canteen, bar/café, agritourism, B&B, delicatessen)? *


Next Question

What is the average number of covers or meals served per day? *

Are grease traps present, and how often are they cleaned? *

Are discharges routed to the treatment plant, or is there a septic tank? *

Are there any odour problems in the kitchen, drains, or waste storage areas? *

How are organic waste materials managed? Specify whether a compost bin is present. *

What protocols are followed for cleaning surfaces and floors? *

Have any pest problems been detected (cockroaches, rodents, flies, etc.)? *

Which specific areas are managed (market areas, streets, sidewalks, parks, public restrooms, recycling centres)? *


Next Question

How often are streets and sidewalks washed? *

Are there persistent odour problems near bins or recycling centres? *

What equipment is used for cleaning (street sweepers, pressure washers), and with which products? *

Are there specific issues related to bird droppings or dog faeces? *

How is post-market cleaning and sanitisation carried out? *

Are specific treatments planned for manholes or catch basins (e.g. against mosquitoes or odours)? *

What type of home do you live in (apartment, detached house with garden)? *


Next Question

Is there a septic tank, cesspit, or phytodepuration system? If so, how often is it emptied? *

Is home composting carried out? Are there any issues with odours, rats, or insects? *

Is there a vegetable garden or garden? What are the main issues with the plants and soil? *

Are there pets or farmyard animals? How are odours managed (litter boxes, kennels, outdoor areas)? *

How are household recycling bins cleaned and sanitised? *

Are there any bad odours or frequent blockages in the kitchen or bathroom drains? *

Is treatment needed against snails, mosquitoes, flies, or other insects? *