Air Stripping

Huang, Juan; Shang, Chii

doi:10.1007/978-1-59745-029-4_2

Cited by 43 publications

(26 citation statements)

References 25 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Air stripping is a process by which a liquid is brought into intimate contact with a gas so that some undesirable substances present in the liquid phase (H 2 S in the present case) can be released and carried away by the gas (Huang and Shang, 2006). Henry's law constant is a primary indicator of a compound's potential for removal by air stripping.…”

Section: Discussionmentioning

confidence: 99%

A procedure for eliminating sulfide interference on silica colorimetric analysis

et al. 2014

View full text Add to dashboard Cite

Two different approaches were tested in this study to suppress sulfide interference in the silicomolybdate method of silica determination, namely: oxidation of sulfide to elemental sulfur; and conversion of the sulfide species to H 2 S and stripping by air bubbling. Based on the results obtained the latter approach is deemed to represent the better and quicker option to eliminate sulfide interference in silica colorimetric analysis.

show abstract

Section: Discussionmentioning

confidence: 99%

A procedure for eliminating sulfide interference on silica colorimetric analysis

et al. 2014

View full text Add to dashboard Cite

show abstract

“…As a result, a pretreatment process was applied in two stages [ 44 ]: firstly, ammonia was eliminated by applying air stripping for 24 hours at pH = 12, and subsequently inorganic carbon was removed by regulated the leachate pH to 5. By using air stripping, undesired substances in the liquid can be removed with the carrier gas, commonly air [ 45 ]. Ammonia (a highly water-soluble gas) removal by air stripping is highly dependent on pH, and it is necessary to adjust the pH to 10 or more before the stripping.…”

Section: Methodsmentioning

confidence: 99%

Effective photochemical treatment of a municipal solid waste landfill leachate

et al. 2020

View full text Add to dashboard Cite

This work aimed at studying the photochemical treatment of a landfill leachate using ultraviolet light, hydrogen peroxide, and ferrous or ferric ions, in a batch recycle photoreactor. The effect of inorganic carbon presence, pH, initial H 2 O 2 amount (0-9990 mg L-1) as well as Fe (II) (200-600 ppm) and Fe(III) (300-700 ppm) concentrations on the total carbon removal and color change was studied. Prior to the photochemical treatment, a pretreatment process was applied; inorganic nitrogen and inorganic carbon were removed by means of air stripping and initial pH regulation, respectively. The leachate sent subsequently for photochemical treatment was free of inorganic carbon and contained only organic carbon with concentration 1200±100 mg L-1 at pH 5.1-5.3. The most favorable concentrations of H 2 O 2 and ferric ions for carbon removal were 6660 mg L-1 and 400 ppm, respectively. Adjusting the initial pH value in the range of 2.2-5.3 had a significant effect on the organic carbon removal. The photo-Fenton-like process was more advantageous than the photo-Fenton one for leachate treatment. By applying the most favorable operating conditions, 88.7% removal of total organic carbon, 100% removal of total inorganic carbon, 96.5% removal of total nitrogen, and 98.2% color removal were achieved.

show abstract

“…The PVs were primarily developed referencing literature cost data (CDM, ; Huang & Shang, ; Hydromantis, ; Ishii & Boyer, ; Reynolds & Richards, ; RSMeans, ; USEPA, , , ; WSTB, ). When cost information from literature was limited, engineering cost estimates were developed for practice adoption.…”

Section: Methodsmentioning

confidence: 99%

Assessing cost‐effective nutrient removal solutions in the urban water system

et al. 2020

View full text Add to dashboard Cite

Many states are adopting more stringent nutrient load restrictions, requiring utilities to invest in costly improvements. To date, substantial research has been done to independently assess the nutrient removal efficacy of wastewater treatment technologies and stormwater control measures. The analysis presented here provides a unique assessment by evaluating combinations of nutrient load reduction strategies across water supply, wastewater, and stormwater sectors. A demonstration study was conducted evaluating 7812 cross-sector removal strategies in the urban water system using empirical models to quantify efficacy of common wastewater treatment, water management, and stormwater control measures (SCMs). Pareto optimal solutions were evaluated to identify the most cost-effective strategies. To meet stringent nutrient requirements, wastewater treatment facilities (WWTFs) will likely require advanced biological nutrient removal with carbon and ferric addition. Even with these technologies, WWTFs may still be unable to obtain target nutrient requirements. In addition, municipalities can consider water management practices and SCMs to further reduce nutrient loading or provide a more cost-effective nutrient removal strategy. For water management practices, source separation and effluent reuse were frequently identified as part of the most effective nutrient strategies but face engineering, political, and social adoption barriers. Similarly, SCMs were frequently part of effective nutrient removal strategies compared to only adopting nutrient removal practices at WWTFs. This research provides the framework and demonstrates the value in using an urban water system approach to identify optimal nutrient removal strategies that can be easily applied to other urban areas.

show abstract

Air Stripping

Cited by 43 publications

References 25 publications

A procedure for eliminating sulfide interference on silica colorimetric analysis

A procedure for eliminating sulfide interference on silica colorimetric analysis

Effective photochemical treatment of a municipal solid waste landfill leachate

Assessing cost‐effective nutrient removal solutions in the urban water system

Contact Info

Product

Resources

About