Wine Waste

How to Deal with Wine Waste

Introduction

Wine is arguably the best social drink in many countries. Wine may be served in parties, at home, at hanging out junctions with friends, and on many other occasions. On all these occasions, it serves well as a refreshing drink. Now lets talk about how to choose top garbage disposal in your local city.

In Australia, in particular, wine has been very popular over the years.  Australia has maintained a steady increase in the production of wine, and it is currently the world’s largest producer of wine.

As a result of increased wine production, there is an equal increase in wine waste. The wineries produce high volumes of solid and liquid wastes. The increased crushing of grapes results in high volumes of waste – amounting to millions of liters – every year.

Components of wine waste

Wineries produce solid wastes which include: marcs and bunch stalks. Marc is seeds and skins that are left after the crushing of the grapes. On the other hand, other wastes are generated from the cleaning activities in the wineries, which include cleaning agents such as caustic soda or caustic potash and suspended solids.

How to dispose of solid waste

Most of the wineries stockpile their solid wastes to allow composting from time to time. Sometimes they mix it with compost manure from cows to speed up the composting process. The resulting organic product is rich in soil nutrients and is re-used in the vineyards to enrich the soils. This practice is eco-friendly as it reduces carbon footprint.

The impact of the wastewater on the environment

Effluents from the wineries have adverse effects on the environment, and dealing with them is a tall order. Wineries in Australia are required to follow the guidelines as outlined by SA Water. The volume of the effluents is directly proportional to the volume of wine production.

Effluents are classified according to their components. The classifying factors include PH ratio, the volume of organic loads, volume of suspended matter, salinity, and the number of nutrients.

Environmental Protection Agency (EPA) warns of dire consequences of dumping the effluents into streams and drains. The effluents contain organic components which will deplete oxygen in the water. This poses a significant threat to aquatic life and eventually, death. Moreover, the wastewater has high PH values, which interferes with the soil structure and eventually affect the growth of crops.

How to dispose of wastewater safely

The best method is recycling and re-using the wastes. Therefore, EPA requires that wineries engage professionals to sample and monitor the effects of wastewaters, quality of groundwater, and the structure of the soil.

Wastewater treatment methods

  • Aerobic and anaerobic treatment

This process utilizes the oxygen components in the effluents to break down the organic contaminants.

  • Use of screens, filters and sedimentation chambers

In this case, the dissolved and non-dissolved waste materials are removed without changing their chemical structures

  • Use of chemical treatments

This method involves the addition of chemicals that initiate chemical reactions such as reduction, oxidation, and precipitation. The chemical reactions alter the structure of the waste products

  • Addition off lime

Lime is added to the effluents to raise the PH values and precipitate ions, thus dislodging the elements from the wastewater.

Conclusion

Wastewater from wine can be harmful if not handled properly. Dumping the effluents into the drains will pollute the streams and eventually, the groundwater. Therefore, wineries must recycle and re-use the waste products to preserve the environment and raise the carbon footprints.

© 2020 Vinsurvin Sommelier Magazine .